DAFTAR PUSTAKA. Bieniawski, Z. T., Rock Mechanics Design in Mining and Tunneling. A.A. Balkema, Amsterdam. 272 hal.

(1)

76

DAFTAR PUSTAKA

Adu, A. dan Acheampong, 2003. Importance of geotechnical field mapping in acessing the stability of underground excavation. SME Annual Meeting. Cincinati, Ohio. 6 hal.

Alzwar, M., Akbar, N., dan Bachri, S., 1992. Peta Geologi Lembar Garut dan Pamengpeuk, Jawa. Pusat Penelitian dan Pengembangan Geologi.

Barton, N. R. dan Choubey, V., 1977. The shear strength of rock joints in theory and practice. Rock Mech. hal 1-54.

Bieniawski, Z. T., 1984. Rock Mechanics Design in Mining and Tunneling. A.A. Balkema, Amsterdam. 272 hal.

Bieniawski, Z. T., 1989. Engineering Rock Mass Classifications. Wiley, New York.

Franklin, J. A. dan Dusseault, M. B., 1991. Rock Engineering Applications. McGraw-Hill, New York. 431 hal.

Franklin, J. A. dan Maerz, N. H., 1996. Empirical design and rock mass characterizaton. Proccedings of the FRAGBLAST 5 Workshop on Measurement of Blast Fragmentation, hal. 193-201.

Geological Society Engineering Group Working Party, 1970. The logging of rock core for engineering purpose. Q. J. Engineering Geology 3. hal 1 – 25.

Hoek, E., 2000. Rock Engineering : Course Note. Evert Hoek Consulting Engineering Inc. Vancouver, Kanada.

Hoek, E. dan Bray, J. W., 1981. Rock Slope Engineering : 3rd Edition. Institution of Mining and Metallurgy, London. 402 hal.

(2)

77 Hudson, J. A. dan Harrison, J. P., 1997. Engineering Rock Mechanis: An Introduction

to the Principles. Pergamon Press.

Hudson, John., 1993. Comprehensive Rock Engineering : Principles, Practice, and Projects. Pergamon Press: New York. vol 3.

ISRM SUGGESTED METHODS, 1978. Quantitative description of discontinuities in rock masses. Int. J. Rock Mechanics and Geomechanics. hal 319 – 369.

Johnson, Robert. B. and DeGraff, J. V., 1998. Principles of Engineering Geology. John Wiley & Sons.

Maerz, N. H., 2000. Highway Rock Cut Stability Assessment in Rock Masses not Conductive to Stability Calculation. Procceding of the 51st Annual Highway Geology Symposium, Seattle, Washington, hal. 249 – 259.

Martodjojo, S., 1984. Evolusi Cekungan Bogor, Jawa Barat. Disertasi Doktor, Departemen Teknik Geologi, ITB, Bandung.

Palmstrom, A., 2005. Measurement of and correlation between block size and rock quality designation (RQD). Tunnel and Underground Space Technology. hal 362-367

Priest, S. D. dan Hudson, J. A., 1976. Discontinuity Spacing in Rock. Int. J. Rock Mechanics, Mineral Science and Geomechanics. Abstrak 13, hal 135-148

Pulunggono, A. dan Martodjojo, S., 1994. Perubahan tektonik Paleogen – Neogen merupakan peristiwa tektonik terpenting di Jawa. Proceeding Geologi dan Geotektonik Pulau Jawa, NAFIRI, Yogyakarta.

PUSAIR, 1997, Bagian 2 : Batuan, Sedimen, Agregat. Petunjuk Pengujian Laboratorium, Pusat Penelitian dan Pengembangan Sumber Daya Air, Bandung.

(3)

78 Romana, M., 1985. New adjustment ratings for application of Bieniawski classifications to slopes. Proceeding of Rock Mechanics. Zacatecas, Mexico. hal 49-53.

Sjoberg, J., 1996. Large Scale Slope Stability in Open Pit Mining – a Review. Rock Mechanic Division, Leula University of Technology, Swedia.

Sulistianto, B., 2001. Geoteknik Buku 1 : Analisis Kemantapan Lereng. Pelatihan Perancangan Tambang, Departemen Teknik Pertambangan, ITB, Bandung.

van Bemmelen, R. W., 1949. The Geology of Indonesia. The Haque, Martinus, Nijhoff, vol. IA. hal. 25-28.

(4)

LAMPIRAN B PENGAMATAN PETROGRAFI

No. Conto : SEG-1

Nama Batuan : Andesit Piroksen

Sayatan Andesit Piroksen, bertekstur trakhitik, inequigranular, porfiritik. Fenokris terdiri dari plagioklas, piroksen, hornblenda, dan mineral opak yang tertanam dalam masadasar mikrolit plagioklas, piroksen, dan mineral opak.

Presentase:

Plagioklas (20%): hadir sebagai fenokris (12%), prismatik,

subhedral-euhedral, menunjukkan kembaran Carlsbad dan Albit serta zoning, berukuran 0.2-1.5 mm, An33-35, sebagian tergantikan oleh mineral lempung dan mineral opak. Masadasar hadir berupa mikrolit plagioklas.

Piroksen (17%): hadir sebagai fenokris (8%), 0.125-0.5 mm, subhedral, pemadaman paralel, orto dan klino piroksen. Sebagai masadasar piroksen nampak berupa mikrokristalin.

Hornblenda (15%): hadir sebagai fenokris, 0.1-0.3 mm, subhedral-anhedral, munjukkan belahan 2 arah.

Mineral Opak (8%): hadir sebagai fenokris (2%), berukuran 0.02-0.4mm, dan sebagai masadasar berupa mikrokristalin.

Mineral Sekunder:

Mineral lempung (25%): ukuran sangat halus, ubahan dari plagioklas, piroksen.

Mineral Opak (15%): berukuran halus, ubahan dari plagioklas, piroksen.

Keterangan :

Plagioklas (H3, A5, F1, H1, F6), Hornblenda (C5), Piroksen (D3), Mineral Opak (D5). 0.5 mm κ A B C D E F

4

I H G _κ

3

2

1

5

2

1

3

4

5

6

κ A B C D E F G H I _κ

4

3

2

1

5

6

í ì PPL XPL

4

3

2

1

5

6

(5)

LAMPIRAN B PENGAMATAN PETROGRAFI

No. Conto : SEG-7

Nama Batuan : Andesit Piroksen

Sayatan Andesit Piroksen, bertekstur trakhitik, inequigranular, porfiritik. Fenokris terdiri dari plagioklas, piroksen, hornblenda, dan mineral opak yang tertanam dalam masadasar mikrolit plagioklas, piroksen, dan mineral opak.

Presentase:

Plagioklas (23%): hadir sebagai fenokris (12%), prismatik,

subhedral-euhedral, menunjukkan kembaran Carlsbad dan Albit serta zoning, berukuran 0.2-1 mm, sebagian tergantikan oleh mineral lempung dan mineral opak. Masadasar hadir berupa mikrolit plagioklas.

Piroksen (17%): hadir sebagai fenokris (8%), 0.25-0.5 mm, subhedral, pemadaman paralel, orto piroksen. Sebagai masadasar piroksen nampak berupa mikrokristalin.

Hornblenda (15%): hadir sebagai fenokris, 0.3 mm, subhedral-anhedral, munjukkan belahan 2 arah.

Mineral Opak (5%): hadir sebagai fenokris (2%), berukuran 0.01-0.02mm, dan sebagai masadasar berupa mikrokristalin.

Mineral Sekunder:

Mineral lempung (30%): ukuran sangat halus, ubahan dari plagioklas, piroksen.

Mineral Opak (10%): berukuran halus, ubahan dari plagioklas, piroksen

Keterangan :

Plagioklas (G5, E3), Piroksen (H3), Mineral Opak (B1).

0.5 mm κ A B C D E F

4

I H G _κ

3

2

1

5

2

1

3

4

5

6

κ A B C D E F G H I _κ

4

3

2

1

5

6

í ì PPL XPL

4

3

2

1

5

6

(6)

LAMPIRAN C

HASIL PENGUJIAN DENSITAS DAN POROSITAS ANDESIT Pengujian Densitas No. Sampel Wn Wd Ww Wa Wb Wc Ws V n d w 1 40.198 40.067 40.391 467.21 507.50 481.69 25.81 14.48 2.776 2.767 2.789 2 43.158 43.100 43.397 454.45 497.81 470.41 27.40 15.96 2.704 2.701 2.719 3 55.021 54.946 55.351 452.81 508.49 473.45 35.04 20.64 2.666 2.662 2.682 4 50.298 50.240 50.532 452.08 502.69 470.79 31.90 18.71 2.688 2.685 2.701 5 40.479 40.409 40.669 451.73 492.94 467.09 25.85 15.36 2.635 2.631 2.648 6 41.071 41.006 41.329 451.79 493.30 467.34 25.96 15.55 2.641 2.637 2.658 7 49.481 49.395 49.718 504.64 554.56 523.01 31.55 18.37 2.694 2.689 2.706 8 55.389 55.267 55.655 503.94 559.78 524.40 35.38 20.46 2.707 2.701 2.720 9 51.559 51.458 51.911 503.74 554.89 522.11 32.78 18.37 2.807 2.801 2.826 10 57.294 57.134 57.529 502.80 560.41 524.28 36.13 21.48 2.667 2.660 2.678 11 43.650 43.581 43.924 520.71 564.59 537.09 27.50 16.38 2.665 2.661 2.682 12 43.327 43.144 43.585 520.12 563.91 536.59 27.32 16.47 2.631 2.620 2.646 13 57.274 57.048 57.569 514.32 571.13 535.60 35.53 21.28 2.691 2.681 2.705 14 42.296 42.141 42.540 513.27 556.09 529.58 26.51 16.31 2.593 2.584 2.608 15 42.271 42.129 42.415 471.89 514.70 488.12 26.58 16.23 2.604 2.596 2.613 16 58.213 58.005 58.521 471.43 530.71 493.40 37.31 21.97 2.650 2.640 2.664 17 57.070 56.883 57.229 471.71 528.61 492.81 35.80 21.10 2.705 2.696 2.712 18 54.083 53.909 54.281 484.40 539.42 504.95 34.47 20.55 2.632 2.623 2.641 19 54.344 54.150 54.612 484.66 539.30 504.62 34.68 19.96 2.723 2.713 2.736 20 51.439 51.222 51.700 484.49 535.78 503.31 32.47 18.82 2.733 2.722 2.747 21 56.095 55.852 56.349 534.81 590.51 555.94 34.57 21.13 2.655 2.643 2.667 22 46.832 46.621 47.129 533.69 580.83 552.01 28.82 18.32 2.556 2.545 2.573 Rata-rata 2.674 2.666 2.687

(7)

Keterangan :

Wn = berat contoh asli (gram) Wd = berat contoh kering (gram) Ww = berat contoh jenuh (gram) Wa = berat gelas ukur + air (gram)

Wb = berat gelas ukur + air + contoh jenuh (gram) Wc = berat gelas ukur + contoh tergantung (gram) Ws = Wb – Wc (gram)

V = volume contoh (cm3)

n = densitas contoh asli (gram/cm3) d = densitas contoh kering (gram/cm3) w = densitas contoh jenuh (gram/cm3)

(

)

      − − − = air Wc Wb Wa Wb V ρ ) ( V Ww V Wd V Wn w d n = ρ = ρ = ρ

(8)

Pengujian Porositas No. Sampel Wn Wd Ww Ws Vv V n (%) 1 40.198 40.067 40.391 25.81 0.324 14.48 2.237569 2 43.158 43.100 43.397 27.4 0.297 15.96 1.860902 3 55.021 54.946 55.351 35.04 0.405 20.64 1.962209 4 50.298 50.240 50.532 31.9 0.292 18.71 1.560663 5 40.479 40.409 40.669 25.85 0.260 15.36 1.692708 6 41.071 41.006 41.329 25.96 0.323 15.55 2.07717 7 49.481 49.395 49.718 31.55 0.323 18.37 1.758302 8 55.389 55.267 55.655 35.38 0.388 20.46 1.896383 9 51.559 51.458 51.911 32.78 0.453 18.37 2.465977 10 57.294 57.134 57.529 36.13 0.395 21.48 1.83892 11 43.650 43.581 43.924 27.5 0.343 16.38 2.094017 12 43.327 43.144 43.585 27.32 0.441 16.47 2.677596 13 57.274 57.048 57.569 35.53 0.521 21.28 2.448308 14 42.296 42.141 42.540 26.51 0.399 16.31 2.446352 15 42.271 42.129 42.415 26.58 0.286 16.23 1.762169 16 58.213 58.005 58.521 37.31 0.516 21.97 2.348657 17 57.070 56.883 57.229 35.8 0.346 21.1 1.63981 18 54.083 53.909 54.281 34.47 0.372 20.55 1.810219 19 54.344 54.150 54.612 34.68 0.462 19.96 2.314629 20 51.439 51.222 51.700 32.47 0.478 18.82 2.539851 21 56.095 55.852 56.349 34.57 0.497 21.13 2.352106 22 46.832 46.621 47.129 28.82 0.508 18.32 2.772926 Rata-rata 2.116247 Keterangan : Vv = Ww – Wd (gram) n = porositas (%)

(9)

Dari pengujian terhadap 22 sampel batuan didapatkan :

d (densitas kering) = 2.66 gram/cm3 atau setara dengan 26.09 kN/m3 n (porositas) = 2.12 %

(10)

LAMPIRAN D

HASIL PENGUJIAN KUAT GESER BATU (DIRECT SHEAR STRENGTH) LABORATORY OF GEOMECHANICS

FACULTY OF EARTH SCIENCES AND MINERAL TECHNOLOGY INSTITUTE OF TECHNOLOGY, BANDUNG

DIRECT SHEAR TEST

Sample Code : AND Test Date : June ( 25 - 26 )th 2007 Lithology : Andesit Tested By : Donald, Aris

Depth (m) :

-Area Fnormal Fshear (kN) σ_normal τ(MPa)

No

(mm2) (kN) Peak Residual (MPa) Peak Residual

1 1564.99 0.20 0.12 0.12 0.13 0.08 0.07

2 1607.33 0.40 0.24 0.23 0.25 0.15 0.14

3 1600.24 0.60 0.35 0.34 0.37 0.22 0.21

Residual 1

Cohesion (MPa) : 0.00021 Internal Friction Angle (o) : 30.2

Residual 2

Cohesion (MPa) : 0.00018 Internal Friction Angle (o) : 29.8

(11)

LAMPIRAN E

PERHITUNGAN JOINT ROUGHNESS COEFFICIENT (JRC)

Segmen 1

Anggota set diskontinuitas 1 (JSA 1)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 12 411 176 54 1,6 10 6 2. 16 576 181 65 1 10 4 3. 17 638 179 61 1,3 10 5 4. 22 831 176 60 1,3 10 5 Rata-rata JRC 5

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 8 301 220 41 1,2 10 5 2. 9 350 275 43 1 10 4 3. 10 395 230 32 1 10 4 4. 11 403 215 42 1,5 10 6 5. 15 525 220 21 1,5 10 6 6. 18 652 235 36 1 10 4 7. 20 721 224 42 1,2 10 5 8. 21 775 250 32 1 10 4 9. 23 884 221 48 1,2 10 5 10. 25 945 250 35 1,3 10 5 11. 26 959 270 35 1 10 4 Rata-rata JRC 4,73

(12)

Segmen 2

Anggota set diskontinuitas 1 (JSB 1)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 12 483 358 69 0,8 10 3 2. 21 860 358 56 1,5 10 6 3. 22 913 6 70 1 10 4 4. 28 1238 5 68 1,5 10 6 5. 29 1276 359 65 1 10 4 6. 30 1313 8 65 2,3 20 5 Rata-rata JRC 4,67

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 2 85 222 16 1,5 10 6 2. 3 100 238 28 1,5 10 6 3. 5 270 290 32 1 10 4 4. 11 410 300 21 1 10 4 5. 18 786 293 35 1 10 4 6. 20 820 306 18 1 10 4 7. 25 1098 312 23 1 10 4 8. 26 1120 270 46 0,8 10 3 Rata-rata JRC 4,38

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 4 172 258 71 1 10 4 2. 6 330 254 64 1,5 10 6 3. 8 348 256 74 1,7 10 6 4. 13 536 257 63 1,5 10 6 5. 15 666 254 65 1 10 4 Rata-rata JRC 5,2

(13)

Segmen 3

Anggota set diskontinuitas 1 (JSC 1)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 1 0 5 75 1,5 10 6 2. 2 95 7 72 1,5 10 6 3. 3 135 9 73 1,5 10 6 4. 4 181 7 74 1,2 10 5 5. 5 210 12 78 1 10 4 6. 11 405 21 66 1,2 10 5 7. 13 428 23 79 1 10 4 8. 19 620 20 80 1 10 4 9. 24 815 360 76 1,2 10 5 10. 25 846 18 79 1 10 4 Rata-rata JRC 4,9

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 14 489 328 77 1,5 10 6 2. 18 559 330 78 1,5 10 6 3. 20 659 330 73 1,5 10 6 4. 22 715 322 70 1 10 4 5. 27 904 330 68 1,5 10 6 Rata-rata JRC 5,6

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 6 257 283 81 1 10 4 2. 9 348 280 80 1 10 4 3. 10 378 279 76 1,2 10 5 4. 21 698 282 81 1,2 10 5 Rata-rata JRC 4,5

(14)

Segmen 4

Anggota set diskontinuitas 1 (JSD 1)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 5 210 256 51 1,5 10 6 2. 8 369 241 75 1,2 10 5 3. 12 487 240 84 1,7 10 6 4. 15 618 257 76 1 10 4 5. 18 704 230 74 1,5 10 6 6. 19 710 238 76 1,3 10 5 7. 25 871 245 83 1,2 10 5 8. 27 1005 239 74 1,5 10 6 9. 33 1158 241 78 1,5 10 6 10. 38 1372 245 73 1 10 4 11. 39 1402 255 70 1,3 10 5 12. 41 1455 249 76 1,3 10 5 13. 42 1459 251 77 1 10 4 14. 43 1465 253 79 1 10 4 Rata-rata JRC 5,07

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 1 0 291 34 1,5 10 6 2. 2 46 289 27 1 10 4 3. 3 125 298 18 1,3 10 5 4. 4 200 172 82 1 10 4 5. 7 328 262 31 1 10 4 6. 8 369 241 75 1,2 10 5 7. 16 670 299 51 1,6 10 6 8. 17 672 286 24 1,5 10 6 9. 29 1048 259 29 1 10 4 10. 31 1105 276 35 1,5 10 6 11. 40 1450 279 27 1,3 10 5 12. 44 1520 270 35 1,5 10 6 13. 45 1525 269 37 1,5 10 6 14. 46 1555 294 45 1,3 10 5 15. 49 1607 304 29 1,5 10 6 16. 50 1610 306 27 1 10 4 Rata-rata JRC 5,13

(15)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 13 557 270 70 1,6 10 6 2. 23 790 282 74 1,5 10 6 3. 30 1095 280 69 1,5 10 6 4. 32 1132 281 68 1,3 10 5 5. 35 1240 290 68 1 10 4 6. 37 1309 287 70 1,2 10 5 Rata-rata JRC 6,33 Segmen 5

Anggota set diskontinuitas 1 (JSE 1)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 3 63 241 86 3,5 30 5 2. 4 93 240 84 1,5 10 6 3. 12 291 245 84 1,5 10 6 4. 16 415 260 80 1,5 10 6 5. 19 500 240 81 1 10 4 6. 20 545 240 60 1 10 4 7. 26 713 237 81 1,3 10 5 8. 27 715 234 80 1,3 10 5 9. 33 802 250 61 1 10 4 10. 35 815 245 44 1 10 4 11. 38 935 230 62 1,3 10 5 12. 40 997 220 87 1,5 10 6 Rata-rata JRC 5

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 8 205 300 40 1,5 10 6 2. 9 213 310 49 1 10 4 3. 11 246 308 50 4 30 6 4. 13 324 298 42 1,5 10 6 5. 14 379 308 39 1,5 10 6 6. 17 440 313 48 1,3 10 5 7. 21 598 310 44 1 10 4 8. 39 940 325 45 1,5 10 6 Rata-rata JRC 5,38

(16)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 7 190 340 55 1 10 4 2. 23 631 330 64 1 10 4 3. 24 692 328 46 1,5 10 6 4. 28 718 236 78 1,3 10 5 5. 30 770 338 60 1,5 10 6 6. 31 782 334 64 1,5 10 6 7. 36 845 335 65 1,3 10 5 Rata-rata JRC 5,14 Segmen 6

Anggota set diskontinuitas 1 (JSF 1)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 1 0 15 32 1,3 10 5 2. 9 185 19 38 3,5 30 5 3. 18 373 6 35 1,5 10 6 4. 19 410 7 40 3,5 30 5 Rata-rata JRC 5,25

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 3 28 345 70 1,3 10 5 2. 5 67 344 78 1,5 10 6 3. 8 132 325 81 1,3 10 5 4. 13 250 350 50 3,7 30 5 5. 20 460 348 67 3,7 30 5 6. 21 510 345 56 3,7 30 5 7. 23 578 341 61 4 30 6 8. 24 580 339 64 4 30 6 Rata-rata JRC 5,38

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 10 200 264 86 3,7 30 5 2. 12 233 260 84 1,5 10 6

(17)

3. 14 252 261 83 1,5 10 6

4. 15 268 266 87 3,8 30 5

5. 16 335 258 90 4 30 5

Rata-rata JRC 5,4

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 2 5 151 57 1 10 4 2. 4 63 155 60 1,5 10 6 3. 6 110 148 75 3,7 30 5 4. 7 123 168 63 3,5 30 5 5. 11 204 152 69 3,8 30 5 6. 17 351 155 68 4 30 6 7. 22 539 164 79 4 30 6 Rata-rata JRC 5,29 Segmen 7

Anggota set diskontinuitas 1 (JSG 1)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 7 176 354 60 1 10 4 2. 9 211 357 60 1,5 10 6 3. 13 315 355 56 1,3 10 5 4. 14 351 352 60 1,5 10 5 5. 17 393 350 57 1,3 10 5 6. 18 421 70 55 1 10 4 7. 21 499 357 57 1 10 4 Rata-rata JRC 4,71

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 2 83 32 53 1,7 10 6 2. 3 105 38 61 1,3 10 5 3. 4 119 59 54 1,5 10 6 4. 10 238 42 61 1 10 4 5. 18 421 70 55 1 10 4 6. 20 470 66 56 1,5 10 6 7. 23 588 82 72 3,5 30 5 8. 24 596 65 69 3,5 30 5

(18)

9. 25 600 60 60 3,5 30 5

Rata-rata JRC 5,11

Segmen 8

Anggota set diskontinuitas 1 (JSH 1)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 1 5 350 31 1 10 4 2. 3 107 358 48 1,3 10 5 3. 11 408 336 54 1 10 4 4. 16 464 336 52 1,2 10 5 5. 17 466 345 50 1,3 10 5 6. 21 589 333 43 1,2 10 5 7. 25 800 328 62 1,2 10 5 8. 38 1302 310 64 1,3 10 5 9. 56 1959 328 34 1,3 10 5 Rata-rata JRC 4,78

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 22 647 317 61 1 10 4 2. 23 705 308 55 1,2 10 5 3. 26 806 315 62 1 10 4 4. 27 851 141 85 1 10 4 5. 29 958 302 54 1,5 10 6 6. 33 1131 318 54 1,3 10 5 7. 34 1174 308 64 1,3 10 5 8. 38 1302 310 64 1,3 10 5 9. 39 1391 302 67 1 10 4 10. 42 1483 317 63 1,5 10 6 11. 43 1508 316 74 1,3 10 4 12. 44 1608 324 66 1,5 10 6 13. 52 1807 309 75 1,5 10 6 14. 53 1873 318 52 1,5 10 6 Rata-rata JRC 5

(19)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 9 303 151 74 1 10 4 2. 14 424 139 48 1,7 10 6 3. 19 490 134 51 1 10 4 4. 23 705 308 55 1,2 10 5 5. 31 1018 144 86 1,5 10 6 6. 35 1205 145 80 1 10 4 7. 36 1208 140 84 1 10 4 8. 40 1400 170 84 1,2 10 5 9. 45 1645 132 61 1 10 4 10. 46 1651 176 74 1 10 4 11. 66 2256 148 84 1 10 4 Rata-rata JRC 4,55

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) Asperity amplitude (mm) Panjang profil (cm) Nilai JRC 1. 6 181 12 54 1,5 10 6 2. 7 226 166 71 1,5 10 6 3. 8 250 165 86 1,5 10 6 4. 15 428 160 61 1 10 4 5. 28 895 176 66 1,5 10 6 6. 30 990 166 76 1 10 4 7. 40 1400 170 84 1,2 10 5 8. 46 1651 176 74 1 10 4 9. 48 1725 140 72 1,3 10 5 10. 50 1789 165 72 1,3 10 5 11. 67 2250 174 80 1,3 10 5 12. 70 2275 175 79 1,5 10 6 Rata-rata JRC 5,17

(20)

LAMPIRAN F

PERHITUNGAN JOINT WALL COMPRESSIVE STRENGTH (JCS)

Segmen 1

Anggota set rekahan 1 (JSA 1)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 12 411 176 54 18 32 2. 16 576 181 65 38 88 3. 17 638 179 61 39 87 4. 22 831 176 60 38 83 Rata-rata JCS (MPa) 72,5

Anggota set rekahan 2 (JSA 2)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 8 301 220 41 21 37 2. 9 350 275 43 19 34 3. 10 395 230 32 18 32 4. 11 403 215 42 18 32 5. 15 525 220 21 36 76 6. 18 652 235 36 36 76 7. 20 721 224 42 37 80 8. 21 775 250 32 37 80 9. 23 884 221 48 37 85 10. 25 945 250 35 39 87 11. 26 959 270 35 35 73 Rata-rata JCS (MPa) 62,91 Segmen 2

Anggota set rekahan 1 (JSB 1)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 12 483 358 69 28 51 2. 21 860 358 56 33 66 3. 22 913 6 70 30 55 4. 28 1238 5 68 33 66 5. 29 1276 359 65 35 73 6. 30 1313 8 65 42 110 Rata-rata JCS (MPa) 70,17

(21)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 2 85 222 16 16 30 2. 3 100 238 28 21 35 3. 5 270 290 32 32 62 4. 11 410 300 21 26 47 5. 18 786 293 35 30 55 6. 20 820 306 18 29 53 7. 25 1098 312 23 30 55 8. 26 1120 270 46 36 76 Rata-rata JCS (MPa) 51,63

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 4 172 258 71 30 55 2. 6 330 254 64 40 90 3. 8 348 256 74 24 43 4. 13 536 257 63 30 55 5. 15 666 254 65 42 110 Rata-rata JCS (MPa) 70,6 Segmen 3

Anggota set rekahan 1 (JSC 1)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 1 0 5 75 35 73 2. 2 95 7 72 35 73 3. 3 135 9 73 35 73 4. 4 181 7 74 36 76 5. 5 210 12 78 39 87 6. 11 405 21 66 35 73 7. 13 428 23 79 36 76 8. 19 620 20 80 35 73 9. 24 815 360 76 35 73 10. 25 846 18 79 40 90 Rata-rata JCS (MPa) 76,7

(22)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 14 489 328 77 35 73 2. 18 559 330 78 34 71 3. 20 659 330 73 40 90 4. 22 715 322 70 38 83 5. 27 904 330 68 32 62 Rata-rata JCS (MPa) 75,8

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 6 257 283 81 40 90 2. 9 348 280 80 44 110 3. 10 378 279 76 40 90 4. 21 698 282 81 40 90 Rata-rata JCS (MPa) 95 Segmen 4

Anggota set rekahan 1 (JSD 1)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 5 210 256 51 35 73 2. 8 369 241 75 34 71 3. 12 487 240 84 46 125 4. 15 618 257 76 32 62 5. 18 704 230 74 28 51 6. 19 710 238 76 35 73 7. 25 871 245 83 40 95 8. 27 1005 239 74 40 90 9. 33 1158 241 78 30 55 10. 38 1372 245 73 35 73 11. 39 1402 255 70 38 83 12. 41 1455 249 76 38 83 13. 42 1459 251 77 35 73 14. 43 1465 253 79 33 66 Rata-rata JCS (MPa) 76,64

(23)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 1 0 291 34 35 73 2. 2 46 289 27 37 80 3. 3 125 298 18 35 73 4. 4 200 172 82 32 62 5. 7 328 262 31 30 55 6. 8 369 241 75 34 71 7. 16 670 299 51 32 62 8. 17 672 286 24 36 76 9. 29 1048 259 29 29 53 10. 31 1105 276 35 28 51 11. 40 1450 279 27 35 73 12. 44 1520 270 35 35 73 13. 45 1525 269 37 38 83 14. 46 1555 294 45 40 95 15. 49 1607 304 29 29 53 16. 50 1610 306 27 32 62 Rata-rata JCS (MPa) 68,44

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 13 557 270 70 32 62 2. 23 790 282 74 35 73 3. 30 1095 280 69 33 66 4. 32 1132 281 68 30 55 5. 35 1240 290 68 32 62 6. 37 1309 287 70 33 66 Rata-rata JCS (MPa) 64 Segmen 5

Anggota set rekahan 1 (JSE 1)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 3 63 241 86 28 51 2. 4 93 240 84 32 62 3. 12 291 245 84 30 55 4. 16 415 260 80 43 118 5. 19 500 240 81 40 95 6. 20 545 340 60 38 88 7. 26 713 237 81 43 118

(24)

8. 27 715 234 80 27 49 9. 33 802 250 61 35 73 10. 35 815 245 44 30 55 11. 38 935 230 62 40 90 12. 40 997 220 87 38 88 Rata-rata JCS (MPa) 78,5

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 7 190 340 55 27 49 2. 23 631 330 64 30 55 3. 24 692 328 46 30 55 4. 28 718 236 78 32 62 5. 30 770 338 60 32 62 6. 31 782 334 64 28 51 7. 36 845 335 65 32 62 Rata-rata JCS (MPa) 56,57 Segmen 6

Anggota set rekahan 1 (JSF 1)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 1 0 15 32 32 62 2. 9 185 19 38 29 53 3. 18 373 6 35 20 35 4. 19 410 7 40 22 39 Rata-rata JCS (MPa) 47,25

(25)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 10 200 264 86 30 55 2. 12 233 260 84 30 55 3. 14 252 261 83 24 43 4. 15 268 266 87 21 35 5. 16 335 258 90 19 34 Rata-rata JCS (MPa) 44,4

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 2 5 151 57 27 49 2. 4 63 155 60 27 49 3. 6 110 148 75 22 39 4. 7 123 168 63 22 39 5. 11 204 152 69 31 59 6. 17 351 155 68 21 37 7. 22 539 164 79 24 43 Rata-rata JCS (MPa) 45 Segmen 7

Anggota set rekahan 1 (JSG 1)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 7 176 354 60 33 66 2. 9 211 357 60 35 73 3. 13 315 355 56 30 55

(26)

4. 14 351 352 60 35 66

5. 17 393 350 57 35 66

6. 18 421 70 55 38 83

7. 21 499 357 57 35 66

Rata-rata JCS (MPa) 67,86

Anggota set rekahan 2 (JSG 2)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 2 83 32 53 42 110 2. 3 105 38 61 40 90 3. 4 119 59 54 37 80 4. 10 238 42 61 35 66 5. 18 421 70 55 38 83 6. 20 470 66 56 40 90 7. 23 588 82 72 30 58 8. 24 596 65 69 32 62 9. 25 600 60 60 28 58 Rata-rata JCS (MPa) 77,44 Segmen 8

Anggota set rekahan 1 (JSH 1)

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 1 5 350 31 22 43 2. 3 107 358 48 26 52 3. 11 408 336 54 19 36 4. 16 464 336 52 24 48 5. 17 466 345 50 22 43 6. 21 589 333 43 30 58 7. 25 800 328 62 20 38 8. 38 1302 310 64 27 56 9. 56 1959 328 34 28 58 Rata-rata JCS (MPa) 48

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 22 647 317 61 28 58 2. 23 705 308 55 28 58 3. 26 806 315 62 27 56 4. 27 851 141 85 28 58 5. 29 958 302 54 22 43

(27)

6. 33 1131 318 54 19 34 7. 34 1174 308 64 16 30 8. 38 1302 310 64 30 55 9. 39 1391 302 67 23 44 10. 42 1483 317 63 35 66 11. 43 1508 316 74 28 58 12. 44 1608 324 66 21 40 13. 52 1807 309 75 25 48 14. 53 1873 318 52 25 48 Rata-rata JCS (MPa) 49,71

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 9 303 151 74 24 46 2. 14 424 139 48 24 46 3. 19 490 134 51 35 66 4. 23 705 308 55 28 58 5. 31 1018 144 86 19 34 6. 35 1205 145 80 18 32 7. 36 1208 140 84 19 34 8. 40 1400 170 84 21 40 9. 45 1645 132 61 31 62 10. 46 1651 176 74 28 58 11. 66 2256 148 84 30 58 Rata-rata JCS (MPa) 48,55

No. No. ID Posisi (cm) Strike (N...ºE) Dip (...º) SHV Orientasi Nilai JCS 1. 6 181 12 54 16 32 2. 7 226 166 71 18 36 3. 8 250 165 86 20 38 4. 15 428 160 61 22 43 5. 28 895 176 66 24 46 6. 30 990 166 76 26 52 7. 40 1400 170 84 21 40 8. 46 1651 176 74 28 58 9. 48 1725 140 72 31 62 10. 50 1789 165 72 24 46 11. 67 2275 174 80 25 48 12. 70 2250 175 79 22 43 Rata-rata JCS (MPa) 45,33

(28)

LAMPIRAN G

PERHITUNGAN SUDUT GESER EFEKTIF ( i)

Lokasi Kode Set

Rekahan JCS JRC φb σn τ n σ τ ∂ ∂ φi ci JSA 1 72,5 5 30,2 0,13 0,890 0,890 41,68 0,775 Segmen 1 JSA 2 62,91 4,73 30,2 0,13 0,860 0,860 40,77 0,750 JSB 1 70,17 4,67 30,2 0,13 0,865 0,865 40,86 0,753 JSB 2 51,63 4,38 30,2 0,13 0,827 0,827 39,62 0,720 Segmen 2 JSB 3 70,6 5,2 30,2 0,13 0,903 0.903 42,07 0,785 JSC 1 76,7 4,9 30,2 0,13 0,887 0,887 41,57 0,772 JSC 2 75,8 5,6 30,2 0,13 0,937 0,937 43,15 0,816 Segmen 3 JSC 3 95 4,5 30,2 0,13 0,871 0,871 41,07 0,758 JSD 1 76,64 5,07 30,2 0,13 0,899 0,899 41,96 0,782 JSD 2 68,44 5,13 30,2 0,13 0,896 0,896 41,85 0,779 Segmen 4 JSD 3 64 6,33 30,2 0,13 0,977 0,977 44,35 0,850 JSE 1 78,5 5 30,2 0,13 0,896 0,896 41,85 0,779 JSE 2 71,38 5,38 30,2 0,13 0,916 0,916 42,51 0,797 Segmen 5 JSE 3 56,57 5,14 30,2 0,13 0,883 0,883 41,45 0,768 JSF 1 47,25 5,25 30,2 0,13 0,878 0,878 41,27 0,764 JSF 2 41,38 5,38 30,2 0,13 0,877 0,877 41,24 0,763 JSF 3 44,4 5,24 30,2 0,13 0,873 0,873 41,11 0,759 Segmen 6 JSF 4 45 5,29 30,2 0,13 0,877 0,877 41,25 0,763 JSG 1 67,86 4,71 30,2 0,13 0,866 0,866 40,89 0,753 Segmen 7 JSG 2 77,44 5,11 30,2 0,13 0,903 0,903 42,08 0,786 JSH 1 48 4,78 30,2 0,13 0,849 0,849 40,33 0,738 JSH 2 49,71 5 30,2 0,13 0,865 0,865 40,86 0,753 JSH 3 48,55 4,55 30,2 0,13 0,835 0,835 39,87 0,727 Segmen 8 JSH 4 45,33 5,17 30,2 0,13 0,870 0,870 41,02 0,757

(29)

LAMPIRAN H

HASIL PENGUJIAN POINT LOAD Jenis sampel : Andesit

Kondisi benda uji : Bentuk tak teratur, kering kamar 2 minggu

No. Sampel Macam Uji W (mm) D (mm) P (kgf/cm2) P (MPa) De F Is (MPa) Is (5) (MPa) 1 Irregular 41 30 150 14.715 39.5856 0.900234 9.390435 8.453586 2 Irregular 35 29 145 14.2245 35.95984 0.862147 11.00022 9.483814 3 Irregular 39 28 140 13.734 37.2989 0.876449 9.871996 8.652302 4 Irregular 26 21 142 13.9302 26.37431 0.749886 20.02605 15.01724 5 Irregular 31 25 138 13.5378 31.42213 0.811371 13.71125 11.12491 6 Irregular 34 21 140 13.734 30.16017 0.796542 15.09835 12.02647 7 Irregular 30 22 145 14.2245 28.99724 0.782571 16.91701 13.23877 8 Irregular 29 20 135 13.2435 27.18308 0.760148 17.92278 13.62396 9 Irregular 48 32 155 15.2055 44.23646 0.946378 7.770341 7.35368 10 Irregular 30 24 143 14.0283 30.28663 0.798043 15.29337 12.20477 11 Irregular 40 25 145 14.2245 35.69314 0.859264 11.16523 9.593878 12 Irregular 38 29 145 14.2245 37.46929 0.878249 10.13179 8.898227 13 Irregular 34 25 138 13.5378 32.90745 0.828411 12.50143 10.35632 14 Irregular 36 27 138 13.5378 35.18988 0.853791 10.93232 9.333917 15 Irregular 48 31 150 14.715 43.53977 0.939642 7.762255 7.293738 16 Irregular 39 32 140 13.734 39.8742 0.903181 8.637997 7.801676 17 Irregular 33 26 137 13.4397 33.06194 0.830159 12.29512 10.20691 18 Irregular 32 27 142 13.9302 33.17734 0.831462 12.65535 10.52244 19 Irregular 39 33 142 13.9302 40.49244 0.909456 8.4959 7.726649 20 Irregular 43 30 155 15.2055 40.53961 0.909933 9.252127 8.418813 Rata-rata 12.04157 10.0666

(30)

Is rata-rata = 12.04 Mpa Is (5) rata-rata = 10.07 Mpa

Keterangan :

W = lebar rata-rata benda uji (mm) D = tebal benda uji (mm)

P = beban pada saat benda uji (kgf/cm2) De = lebar ekivalen benda uji (mm) F = faktor koreksi ukuran (tanpa skala)

Is = indeks kekuatan batu belum dikoreksi (MPa) Is (5) = indeks kekuatan batu terkoreksi (MPa)

      = π WD De 4 45 . 0 50     = De F 2 De P Is= Is F Is(5)= ×

(31)

LAMPIRAN I

PERHITUNGAN ROCK QUALITY DESIGNATION (RQD)

No. Lokasi Jumlah

diskontinuitas (N) Panjang scanline (L meter) Frekuensi diskontinuitas ) RQD (%) 1. Segmen 1 27 9,95 2,71 96,93 2. Segmen 2 30 13,13 2,29 97,75 3. Segmen 3 28 9,40 2,98 96,35 4. Segmen 4 50 16,10 3,11 96,06 5. Segmen 5 44 11,77 3,74 94,53 6. Segmen 6 24 5,80 4,14 93,47 7. Segmen 7 25 6,00 4,17 93,38 8. Segmen 8 71 22,71 3,13 96,01

(32)

LAMPIRANJ1 PERHITUNGANSPASIDISKONTINUITAS

1 2SEGMEN1

Arah scanline : N 198º E Kemiringan scanline : 11º

Anggota set diskontiunitas 1 (JSA 1)

No. No. ID So (cm) Arah Kemiringan ( ° ) Arah Scanline N….ºE (°)

cos (°) cos (°) cos _(cm)Si

1 12 - 266 198 11 0,98 -2 16 165 -271 198 11 0,98 73 0,29 25 0,91 42,67 3 17 62 269 198 11 0,98 71 0,33 29 0,88 17,65 4 22 193 266 198 11 0,98 68 0,37 30 0,87 60,88 So= 420 ' = 70,67 ' = 28 Cos ' = 0.329 Cos ' = 0.883 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(33)

Keterangan :

= sudut vertikal antara scanline dengan bidang horizontal = sudut horizontal antara scanline dengan arah kemiringan

= sudut vertikal antara garis normal diskontinuitas dengan bidang horizontal ’ = sudut horizontal rata-rata antara scanline dengan arah kemiringan

’ = sudut vertikal rata-rata antara garis normal diskontinuitas dengan bidang horizontal So = spasi semu Si = spasi sebenarnya Sa = spasi rata-rata No. No. ID So (cm) Arah Kemiringan ( ° ) Arah Scanline N….ºE (°)

cos (°) cos (°) cos _(cm)Si

1 8 - 220 198 11 0,98 -2 9 49 275 198 11 0,98 77 0,23 47 0,68 7,51 3 10 45 230 198 11 0,98 32 0,85 58 0,53 19,87 4 11 8 215 198 11 0,98 17 0,96 48 0,67 5,04 5 15 122 220 198 11 0,98 22 0,93 69 0,36 40,03 6 18 127 235 198 11 0,98 37 0,79 54 0,59 58,01 7 20 69 224 198 11 0,98 26 0,89 48 0,67 40,32 8 21 54 250 198 11 0,98 52 0,62 58 0,53 17,39 9 23 109 221 198 11 0,98 23 0,92 42 0,74 72,72 10 25 61 250 198 11 0,98 52 0,62 55 0,57 21,13 11 26 14 270 198 11 0,98 72 0,31 55 0,57 2,43 So= 658 ' = 41 ' = 53,4 Cos ' = 0,76 Cos ' = 0,59 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(34)

3 4SEGMEN2

Anggota set diskontiunitas 1 (JSB 1)

cos (°) cos (°) cos Si (cm)

1 12 - 88 137 7 0.99 -2 21 377 88 137 7 0.99 49 0.66 34 0.83 204.46 3 22 53 96 137 7 0.99 41 0.75 30 0.87 34.24 4 28 325 95 137 7 0.99 42 0.74 22 0.93 221.43 5 29 38 89 137 7 0.99 48 0.67 25 0.91 22.94 6 30 37 98 137 7 0.99 39 0,78 25 0.91 25.99 So= 830 ' = 43.8 ' = 27,2 Cos ' = 0,72 Cos ' = 0,89 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(35)

Anggota set diskontinuitas 2 (JSB 2) No. No. ID So (cm) Arah Kemiringan ( ° ) Arah Scanline N….ºE (°)

cos (°) cos (°) cos _(cm)Si

1 2 - 312 137 7 0.99 -2 3 15 328 137 7 0.99 191 0.98 62 0.47 6.84 3 5 170 20 137 7 0.99 117 0.45 58 0.53 40.14 4 11 140 30 137 7 0.99 107 0.29 69 0.36 14.47 5 18 374 23 137 7 0.99 114 0.41 55 0.57 86.53 6 20 34 36 137 7 0.99 101 0.19 72 0.31 1.98 7 25 278 42 137 7 0.99 95 0.09 67 0.39 9.66 8 26 22 360 137 7 0.99 223 0.73 44 0.72 11.45 So= 1033 ' = 135.43 ' = 61 Cos ' = 0.71 Cos ' = 0.49 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(36)

Keterangan :

cos (°) cos (°) cos Si (cm)

1 4 - 348 137 7 0.9 -2 6 158 344 137 7 0.9 207 0.89 26 0.89 123.90 3 8 18 346 137 7 0.9 209 0.88 16 0.98 15.37 4 13 188 347 137 7 0.9 210 0.87 27 0.89 144.11 5 15 130 344 137 7 0.9 207 0.89 25 0.91 104.23 So= 494 ' = 208.25 ' = 23.5 Cos ' = 0.88 Cos ' = 0.92 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(37)

5 6SEGMEN3

Anggota set diskontiunitas 1 (JSC 1)

cos (°) cos (°) cos _(cm)Si

1 1 - 95 179 5 0.99 - - - - -2 2 95 97 179 5 0.99 82 0.14 18 0.95 12.51 3 3 40 99 179 5 0.99 80 0.17 17 0.96 6.46 4 4 46 97 179 5 0.99 82 0.14 16 0.96 6.12 5 5 29 102 179 5 0.99 77 0.23 12 0.98 6.47 6 11 195 111 179 5 0.99 68 0.38 24 0.91 66.76 7 13 23 113 179 5 0.99 66 0.41 11 0.98 9.15 8 19 192 110 179 5 0.99 69 0.36 10 0.99 67.75 9 24 195 90 179 5 0.99 89 0.02 14 0.97 3.75 10 25 31 108 179 5 0.99 71 0.33 11 0.98 9.93 So= 846 ' = 76 ' = 14.78 Cos ' = 0.24 Cos ' = 0.97 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(38)

Anggota set diskontinuitas 2 (JSC 2) No. No. ID So (cm) Arah Kemiringan ( ° ) Arah Scanline N….ºE (°)

cos (°) cos (°) cos _(cm)Si

1 14 - 58 179 5 0.99 -2 18 70 60 179 5 0.99 119 0.49 12 0.98 33.28 3 20 100 60 179 5 0.99 119 0.49 17 0.96 46.57 4 22 56 52 179 5 0.99 127 0.60 20 0.94 31.27 5 27 189 60 179 5 0.99 119 0.49 22 0.93 85.27 So= 415 ' = 121 ' = 17.75 Cos ' = 0.56 Cos ' = 0.95 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(39)

Keterangan :

cos (°) cos (°) cos Si (cm)

1 6 - 13 179 5 0.99 -2 9 91 10 179 5 0.99 169 0.98 10 0.99 87.41 3 10 30 9 179 5 0.99 170 0.99 14 0.97 28.52 4 21 320 12 179 5 0.99 167 0.97 9 0.99 304.22 So= 441 ' = 168.67 ' = 11 Cos ' = 0.98 Cos ' = 0.98 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(40)

7 8SEGMEN4

Anggota set diskontiunitas 1 (JSD 1)

cos (°) cos (°) cos Si (cm)

1 5 - 346 118 3 0.99 -2 8 159 331 118 3 0.99 213 0.84 15 0.97 128.27 3 12 118 330 118 3 0.99 212 0.85 6 0.99 98.30 4 15 131 347 118 3 0.99 229 0.66 14 0.97 83.03 5 18 86 320 118 3 0.99 202 0.93 16 0.96 76.01 6 19 6 328 118 3 0.99 210 0.87 14 0.97 5.01 7 25 161 335 118 3 0.99 217 0.79 7 0.99 124.66 8 27 134 329 118 3 0.99 211 0.86 16 0.96 109.52 9 33 153 331 118 3 0.99 213 0.84 12 0.98 124.69 10 38 214 335 118 3 0.99 217 0.79 17 0.96 160.68 11 39 30 345 118 3 0.99 227 0.68 20 0.94 18.98 12 41 53 339 118 3 0.99 221 0.76 14 0.97 38.68 13 42 4 341 118 3 0.99 223 0.73 13 0.97 2.81 14 43 6 343 118 3 0.99 225 0.71 11 0.98 4.13 So= 1255 ' = 216.92 ' = 13.46 Cos ' = 0.79 Cos ' = 0.97 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(41)

Anggota set diskontinuitas 2 (JSD 2) No. No. ID So (cm) Arah Kemiringan ( ° ) Arah Scanline N….ºE (°)

cos (°) cos (°) cos Si (cm)

1 1 - 21 118 3 0.99 -2 2 46 19 118 3 0.99 99 0.16 63 0.45 3.28 3 3 79 28 118 3 0.99 90 0 72 0.31 0 4 4 75 262 118 3 0.99 144 0.81 7 0.99 59.54 5 7 128 352 118 3 0.99 234 0.59 59 0.52 38.88 6 8 44 331 118 3 0.99 213 0.84 15 0.97 35.49 7 16 301 29 118 3 0.99 89 0.02 39 0.78 4.65 8 17 2 16 118 3 0.99 102 0.21 66 0.41 0.17 9 29 378 349 118 3 0.99 231 0.63 61 0.49 115.52 10 31 57 6 118 3 0.99 112 0.38 55 0.57 12.22 11 40 345 9 118 3 0.99 109 0.33 63 0.45 50.72 12 44 70 360 118 3 0.99 242 0.47 55 0.57 18.57 13 45 5 359 118 3 0.99 241 0.49 53 0.60 1.46 14 46 30 24 118 3 0.99 94 0.08 45 0.71 1.69 15 49 52 34 118 3 0.99 84 0.11 61 0.49 2.77 16 50 3 36 118 3 0.99 82 0.14 63 0.45 0.19 So= 1615 ' = 144.4 ' = 51.8 Cos ' = 0.81 Cos ' = 0.62 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(42)

Keterangan :

cos (°) cos (°) cos _(cm)Si

1 13 - 360 118 3 0.99 -2 23 233 12 118 3 0.99 106 0.28 16 0.96 62.01 3 30 305 10 118 3 0.99 108 0.31 21 0.93 87.05 4 32 37 11 118 3 0.99 117 0.45 22 0.93 15.31 5 35 108 20 118 3 0.99 98 0.14 22 0.93 4.51 6 37 69 17 118 3 0.99 101 0.19 20 0.94 12.20 So= 752 ' = 106 ' = 20.2 Cos ' = 0.28 Cos ' = 0.94 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(43)

9 10SEGMEN5

Anggota set diskontiunitas 1 (JSE 1)

cos (°) cos (°) cos Si (cm)

1 3 - 331 144 0 1 - - - -2 4 30 330 144 0 1 186 0.99 6 0.99 29.40 3 12 198 335 144 0 1 191 0.98 6 0.99 192.10 4 16 124 350 144 0 1 206 0.89 10 0.98 108.15 5 19 85 330 144 0 1 186 0.99 9 0.98 82.47 6 20 45 340 144 0 1 196 0.96 30 0.86 37.15 7 26 168 327 144 0 1 183 0.99 9 0.98 162.99 8 27 2 324 144 0 1 180 1 10 9.98 19.96 9 33 87 340 144 0 1 196 0.96 29 0.87 72.66 10 35 13 335 144 0 1 191 0.98 46 0.69 8.79 11 38 120 320 144 0 1 176 0.99 28 0.88 104.54 12 40 62 310 144 0 1 166 0.97 3 0.99 59.54 So= 934 ' = 187 ' = 16.91 Cos ' = 0.99 Cos ' = 0.96 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(44)

Anggota set diskontinuitas 2 (JSE 2) No. No. ID So (cm) Arah Kemiringan ( ° ) Arah Scanline N….ºE (°)

cos (°) cos (°) cos _(cm)Si

1 8 - 30 144 0 1 -2 9 8 40 144 0 1 104 0.24 41 0.76 1.46 3 11 33 38 144 0 1 106 0.28 40 0.77 7.12 4 13 78 28 144 0 1 116 0.44 48 0.67 22.99 5 14 55 38 144 0 1 106 0.28 51 0.63 9.70 6 17 61 43 144 0 1 101 0.19 48 0.67 7.77 7 21 158 40 144 0 1 104 0.07 46 0.96 10.62 8 39 342 55 144 0 1 89 0.02 45 0.71 4.86 So= 735 ' = 103.71 ' = 41.29 Cos ' = 0.24 Cos ' = 0.75 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(45)

Keterangan :

cos (°) cos (°) cos _(cm)Si

1 7 - 70 144 0 1 -2 23 441 60 144 0 1 84 0.11 26 0.89 43.17 3 24 61 58 144 0 1 86 0.07 44 0.72 3.07 4 28 26 326 144 0 1 182 0.99 12 0.98 25.23 5 30 52 68 144 0 1 76 0.24 30 0.87 10.86 6 31 12 64 144 0 1 80 0.17 26 0.89 1.82 7 36 63 65 144 0 1 79 0.19 25 0.91 10.89 So= 655 ' = 97.83 ' = 27.17 Cos ' = 0.14 Cos ' = 0.89 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(46)

11 12SEGMEN6

Anggota set diskontiunitas 1 (JSF 1)

cos (°) cos (°) cos _(cm)Si

1 1 - 105 207 4 0.99 -2 9 185 109 207 4 0.99 98 0.14 52 0.62 15.89 3 18 188 96 207 4 0.99 111 0.36 55 0.57 38.19 4 19 37 97 207 4 0.99 110 0.34 50 0.64 7.97 So= 410 ' = 106.33 ' = 52.33 Cos ' = 0.28 Cos ' = 0.61 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(47)

Anggota set diskontinuitas 2 (JSF 2) No. No. ID So (cm) Arah Kemiringan ( ° ) Arah Scanline N….ºE (°)

cos (°) cos (°) cos Si (cm)

1 3 - 75 207 4 0.99 -2 5 39 74 207 4 0.99 133 0.68 12 0.98 25.73 3 8 65 55 207 4 0.99 152 0.88 9 0.98 55.50 4 13 118 80 207 4 0.99 127 0.60 40 0.77 53.97 5 20 210 78 207 4 0.99 129 0.63 23 0.92 120.49 6 21 50 75 207 4 0.99 132 0.67 34 0.83 27.53 7 23 68 71 207 4 0.99 136 0.72 29 0.88 42.65 8 24 2 69 207 4 0.99 138 0.74 26 0.89 1.30 So= 552 ' = 135.29 ' = 24.71 Cos ' = 0.71 Cos ' = 0.91 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(48)

Anggota set diskontinuitas 3 (JSF 3) No. No. ID So (cm) Arah Kemiringan ( ° ) Arah Scanline N….ºE (°)

cos (°) cos (°) cos _(cm)Si

1 10 - 354 207 4 0.99 -2 12 33 350 207 4 0.99 143 0.79 6 0.99 25.55 3 14 19 351 207 4 0.99 144 0.81 7 0.99 15.08 4 15 16 356 207 4 0.99 149 0.86 3 0.99 13.49 5 16 67 348 207 4 0.99 141 0.78 0 1 51.74 So= 135 ' = 144.25 ' = 4 Cos ' = 0.81 Cos ' = 0.99 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(49)

Keterangan :

cos (°) cos (°) cos Si (cm)

1 2 - 241 207 4 0.99 -2 4 58 245 207 4 0.99 38 0.79 30 0.87 39.47 3 6 47 238 207 4 0.99 31 0.86 15 0.97 38.82 4 7 13 258 207 4 0.99 51 0.63 27 0.89 7.22 5 11 81 242 207 4 0.99 35 0.82 21 0.93 61.15 6 17 147 245 207 4 0.99 38 0.79 22 0.93 106.92 7 22 188 254 207 4 0.99 47 0.68 11 0.98 124.03 So= 534 ' = 40 ' = 21 Cos ' = 0.77 Cos ' = 0.93 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(50)

13 14SEGMEN7

Anggota set diskontiunitas 1 (JSG 1)

cos (°) cos (°) cos _(cm)Si

1 7 - 84 152 2 0.99 -2 9 35 87 152 2 0.99 65 0.42 60 0.50 7.28 3 13 104 85 152 2 0.99 67 0.39 56 0.56 22.49 4 14 36 82 152 2 0.99 70 0.34 60 0.50 6.06 5 17 42 80 152 2 0.99 72 0.31 57 0.55 7.09 6 18 28 160 152 2 0.99 8 0.99 55 0.57 15.64 7 21 78 87 152 2 0.99 65 0.42 57 0.55 17.84 So= 323 ' = 57.83 ' = 57.5 Cos ' = 0.53 Cos ' = 0.54 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(51)

Keterangan :

cos (°) cos (°) cos Si (cm)

1 2 - 122 152 2 0.99 -2 3 22 128 152 2 0.99 24 0.91 29 0.88 17.44 3 4 14 149 152 2 0.99 3 0.99 36 0.81 11.12 4 10 119 132 152 2 0.99 20 0.94 29 0.88 97.45 5 18 183 160 152 2 0.99 8 0.99 35 0.82 147.07 6 20 49 156 152 2 0.99 4 0.99 34 0.83 39.86 7 23 118 172 152 2 0.99 20 0.94 18 0.95 104.32 8 24 8 155 152 2 0.99 3 0.99 21 0.93 7.29 9 25 4 150 152 2 0.99 2 0.99 30 0.87 3.41 So= 517 _{' =} _10.5 _'₌ ₂₉ Cos ' = 0.98 Cos ' = 0.88 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(52)

15 16SEGMEN8

Anggota set diskontiunitas 1 (JSH 1)

cos (°) cos (°) cos Si (cm)

1 1 - 80 214 14 0.97 -2 3 10-2 88 214 14 0.97 126 0.59 42 0.74 43.19 3 11 301 66 214 14 0.97 148 0.85 36 0.81 201.02 4 16 56 66 214 14 0.97 148 0.85 38 0.79 36.47 5 17 2 75 214 14 0.97 139 0.76 40 0.77 1.14 6 21 123 63 214 14 0.97 151 0.88 47 0.68 71.39 7 25 211 58 214 14 0.97 156 0.91 28 0.88 163.89 8 38 502 40 214 14 0.97 174 0.99 26 0.89 429.04 9 56 657 58 214 14 0.97 156 0.91 56 0.56 324.76 So= 1954 ' = 149.75 ' = 39.13 Cos ' = 0.86 Cos ' = 0.78 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(53)

Anggota set diskontinuitas 2 (JSH 2) No. No. ID So (cm) Arah Kemiringan ( ° ) Arah Scanline N….ºE (°)

cos (°) cos (°) cos Si (cm)

1 22 - 47 214 14 0.97 -2 23 58 38 214 14 0.97 176 0.99 35 0.82 45.67 3 26 101 45 214 14 0.97 169 0.98 28 0.88 84.49 4 27 45 231 214 14 0.97 17 0.95 5 0.99 41.05 5 29 107 32 214 14 0.97 182 0.99 36 0.81 83.22 6 33 173 48 214 14 0.97 166 0.97 36 0.81 131.85 7 34 43 38 214 14 0.97 176 0.99 26 0.89 36.75 8 38 128 40 214 14 0.97 174 0.99 26 0.89 109.39 9 39 89 32 214 14 0.97 182 0.99 23 0.92 78.63 10 42 92 47 214 14 0.97 167 0.97 27 0.89 77.04 11 43 25 46 214 14 0.97 168 0.98 16 0.96 22.81 12 44 100 54 214 14 0.97 160 0.94 24 0.91 82.97 13 52 199 39 214 14 0.97 175 0.99 15 0.97 185.37 14 53 66 48 214 14 0.97 166 0.97 38 0.79 49.06 So= 1226 ' = 159.85 ' = 25.77 Cos ' = 0.94 Cos ' = 0.90 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(54)

Anggota set diskontinuitas 3 (JSH 3) No. No. ID So (cm) Arah Kemiringan ( ° ) Arah Scanline N….ºE (°)

cos (°) cos (°) cos Si (cm)

1 9 - 241 214 14 0.97 -2 14 1-21 -2-29 214 14 0.97 15 0.97 42 0.74 84.25 3 19 66 224 214 14 0.97 10 0.99 39 0.78 49.44 4 23 215 38 214 14 0.97 176 0.99 35 0.82 169.30 5 31 313 234 214 14 0.97 20 0.94 4 0.99 282.54 6 35 187 235 214 14 0.97 21 0.93 10 0.99 167.01 7 36 3 230 214 14 0.97 16 0.96 6 0.99 2.77 8 40 192 260 214 14 0.97 46 0.69 6 0.99 127.22 9 45 245 222 214 14 0.97 8 0.99 29 0.88 207.04 10 46 6 266 214 14 0.97 52 0.62 16 0.96 3.46 11 66 605 238 214 14 0.97 24 0.91 6 0.99 528.69 So= 1953 ' = 38.8 ' = 19.3 Cos ' = 0.78 Cos ' = 0.94 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(55)

Keterangan :

cos (°) cos (°) cos Si (cm)

1 6 - 102 214 14 0.97 -2 7 45 256 214 14 0.97 42 0.74 19 0.95 30.69 3 8 24 255 214 14 0.97 41 0.75 4 0.99 17.29 4 15 178 250 214 14 0.97 36 0.81 29 0.88 123.07 5 28 467 266 214 14 0.97 52 0.62 24 0.91 255.58 6 30 95 256 214 14 0.97 42 0.74 14 0.97 66.15 7 40 410 260 214 14 0.97 46 0.69 6 0.99 271.67 8 46 251 266 214 14 0.97 52 0.62 16 0.96 144.91 9 48 74 230 214 14 0.97 16 0.96 18 0.95 65.46 10 50 64 255 214 14 0.97 41 0.75 18 0.95 44.23 11 67 461 264 214 14 0.97 50 0.64 10 0.99 283.33 12 70 25 265 214 14 0.97 51 0.63 11 0.98 14.97 So= 2094 ' = 42.64 ' = 15.36 Cos ' = 0.74 Cos ' = 0.96 Sa = Total spasi semu x Cos x Cos ' x Cos ' / n-1

(56)

LAMPIRAN K

PERHITUNGAN ROCK MASS RATING (RMR)

No. Lokasi Parameter Masukan Rating Nilai RMR

Point load index (MPa) 10,07 15

RQD (%) 96,93 20

Spacing of discontinuity (meter) 0,289 10

Persistence (meter) 1 – 3 2

Separation (mm) 1 – 3 1

Roughness Slightly rough 3

Infilling Soft filling, 1 – 3 mm 2

Condition of discontinuity

Weathering Moderately weathered 3

1. Segmen 1

Groundwater condition Damp 10

66

RQD (%) 97,75 20

Spacing of discontinuity 0,508 10

Persistence 1 – 3 2

Separation 1 – 3 1

Weathering Moderately weathered 3

2. Segmen 2

Groundwater condition Damp 10

(57)

RQD (%) 96,35 20

Weathering Slightly weathered 5

3. Segmen 3

Groundwater condition Dry 15

73

RQD (%) 96,06 20

4. Segmen 4

(58)

RQD (%) 94,54 20

5. Segmen 5

71

RQD (%) 93,47 20

6. Segmen 6

(59)

RQD (%) 93,38 20

7. Segmen 7

71

RQD (%) 96,01 20

8. Segmen 8

(60)

LAMPIRAN L

PERHITUNGAN SLOPE MASS RATING (SMR)

Segmen Tipe Longsoran Set Rekahan αj αs βj βs F1 F2 F3 F4 RMRbasic Nilai SMR 1 Planar JSA 1 268 288 60 68 0,40 1 -50 -8 66 38 2 Jungkiran JSB 2 38 225 24 75 0,15 1 0 -8 66 58 3 Jungkiran JSC 1 97 269 80 70 0,15 1 25 -8 73 61,25 4 Jungkiran JSD 3 13 208 69 74 0,15 1 -25 -8 73 61,25 5 Jungkiran JSE 3 65 234 58 74 0,15 1 -25 -8 71 59,25 JSF 3 354 297 83 83 0,15 1 -25 -8 73 6 Baji JSF 4 243 297 67 83 0,15 1 -60 -8 73 58,63 7 Jungkiran JSG 1 65 242 58 73 0,15 1 -25 -8 71 59,25 JSH 3 233 304 80 76 0,15 1 -50 -8 78 8 Baji JSH 4 263 304 70 76 0,15 1 -50 -8 78 62,5 Keterangan : j

α = arah kemiringan diskontinuitas

s

α = arah kemiringan muka lereng

j

β = sudut kemiringan diskontinuitas

s