Hdi nghi khoa hoc ki thuat mo qudc ti - 2010

Cong nghiep md tien tiin vi su phat triin bin vung

K H A I T H A C L O C H Q f 2 2 A , K H U VlJC Z 3 , K H O A N G S A N G 5 1 0 / 1 , M O T H A N " J A S - M O S " T R O N G D I E U K I E N

D I A C H A N H O A T D O N G M A N H

• • • • TS. Mieczyslaw Lubryka

J S W S A , m o than " J A S - M O S " ; Z r o j Jastrzehie (Ba Lan) Tdm tat: Bao cao trinh bay vi du ve vii>c khai thac Id cho 22a, trong khoang sang 510/1, 23

vdi rat nhieu hoat ddng dia chan manh. Lo chp 22a, trong khoang sang 510/1 dugc dua vao khai thac tu thang 11 2005. Cho den thang 3 nam 2007 da ghi nhan duoc tong sd hon 9.100 chan ddng dja chdn. Ly do chinh gay nen cac hoqt ddng dia chan manh la do cd su hi$n di$n cua cac ldp sa thach ran chdc vd day tren cac mat tiep gidp tren ndc Id cho va khai thac cac khdi ciia khu vuc xung quanh. Bao cao nay ciing trinh bay ky thuat giam sat mdi de doa ciia hi$n tuong sap do dat dd bat nga va bien phap tich cue de phong ngita.

Tu khoa: mdi de doa ciia sap do dat dd / riii ro do sap do dat dd, phong chong sap do dat dd/ tai hoa do sap do dat dd; an toan khai thac.

1. G i d i t h i e u

I0.3m taiHbtooc 3.4m t no l 3.5m shak clay 41 (i sandstone 4 5m ihak clay llmcoal

4 0m •hale cby J. 3m coal 4.5m xbak cby .10 Urn wuKJaUmc

L 6 c h o 22a, t r o n g khoang sang 510/1 d u g c dua vao khai thac tir thang 11 n a m 2005. C h o d i n thang 3 n a m 2007 da g h i nhan duoc t o n g so h o n 9.100 chan dong dia chan xac r n i n h . Bao cao nay trinh bay cac b i e n phap phong, chong n g u y c o sap do dat da bat nga va nhirng thay d o i cua to chuc cong viec cho phep k h a i thac an toan khu v u c k h a i thac nay.

2. D i e u k i e n d j a c h a t t r o n g 16 cho* 22a, k h o a n g sang 510/1 K h u v u c Z3 trong khoang sang 510/1 d u g c phan loai a muc do 1 t r o n g bang phan loai cua nguy c a sap do bat nga, va 16 cho 22a - dugc phan loai a m u c do t h i i 3 cua n g u y c a sap d6. N g o a i ra, khu v u c Z3 t r o n g khoang sang 510/1 d u g c xep loai a m u c do" nguy hiem no t h u 4 ciia metan, loai 1 ciia n g u y c a buc n u a c v a loai B cua nguy c a no b u i than.

C h i l u day cua v i a t r o n g 16 c h o 22a, khoang sang 510/1 la tir 2,4 den 3,8 m ; co goc doc theo c h i l u doc cua 16 c h o 0-4° va dp nghieng ngang 0-18 °. C h i so nang l u g n g ciia than W E T trong khoang sang 510/1, k h u v u c Z3 tir 0,96 d i n 1,49, co nghTa la than da de b i v a . D o ben nen m o t true ciia than t r o n g khoang sang 510/1 - Rc la tir 9,0 den 10,3 M P a . N o c true t i l p ciia k h u v u c nay co m o t tang da phien set v a da p h i e n g i o h g n h u cat v a i do day l e n t o i 4 , 0 m .

Hinh 1 - Ldt cat dia chat khu vuc lb cho 22a; khoang sang 510/1.

V a c h c a ban bao g o m cac sa thach v a i cac l a p kep cua da p h i e n g i o h g n h u cat va cuoi ket v a i t o n g chieu day l e n t a i 40 met, do la cac l a p c a ban true t i l p tren khoang sang.

Hdi nghi khoa hoc kT thuat md qudc t i - 2010 Cong nghiep md tien tiin vi su phat triin bin vung

6 tren l o p sa thach cua khoang sang 506/1 co v i a v o i do day 0,0-2,0 m , m i t d a n ve phia BSc va k h o n g duoc t i n h trong can bang t r u l u o n g . T r e n k h o a n g sang 5 0 6 / 1 , co khoang 4,0 m t i n g d i t set da p h i l n v a sau do la lien t i l p 40 met day cua tang sa thach v o i cac l o p kep cuoi k i t . 0* tren l o p sa thach, co khoang 3-10 met dat set da p h i l n . Phia tren khoang sang 505/1, co m o t phuc hop cua da p h i l n set, da p h i e n set pha cat v a da sa thach v o i do day cua chiing khoang 90 m , khac v o i trong khoang sang 5 0 5 / l l g , 504 / 2 v a 503/1-2.

Trong l o p t r u ciia khoang sang 510/1 co m o t tang dat set da p h i e n set v o i cat v o i do day khoang 5,0 m va d u o i sau h o n la sa thach co chieu day den khoang 30 m . O dp sau khoang 35 m d u o i khoang sang 510/1, co khoang sang 510/21d v d i do day 0,0 - 3,0 m . B e n tren 16 cho 22a, k h u v u c Z3 trong khoang sang 510/1 co v i t r i cua k h u khai thac 505/1 - khoang 100 m tren k h u v u c 5 1 0 / 1 , va 502/1 - tren 190 m tren k h u v u c 510/1

3. K h a i t h a c v a r u i r o d j a c h a n t r o n g k h u v u c Z 3 3.1. Hoat ddng khai thac

Trong phan phia Tay-Bac ciia khoang sang m o " J A S - M O S " , k h u v u c Z3 co rat nhieu r r r y

cac hoat dong dia chan xuat hien k h i bat dau k h a i thac khoang sang 502 / 1, va sau do, hoat dong dia chan cung da dupe g h i nhan k h i khai thac cac tang n a m thap h o n k h u v u c 505/1 va 510/1. K h o a n g sang 5 0 2 / 1 , nam tren khoang sang 510/1 khoang 190 m va k h u v u c Z3 dupe khai thac vao n a m 1996-1997 sir dung he thong k h a i thac pha hoa toan phan tai 16

\ r >

chp 54 va 55, v i a co chieu day 2,2 m . Cac k h u v u c tiep theo dupe k h a i thac t r o n g phan nay ciia khoang sang la k h u v u c 505/1 nam tren k h u v u c 510/1 khoang 100 m . K h u v u c 505/1 da dupe k h a i thac vao n a m 2001-2004 bang cac 16 c h p 48 v a 48a su dung he th6ng k h a i thac pha hoa toan phan v o i dp day t r u n g b i n h ciia v i a la 3,2 m . T r o n g n a m 2007,16 chp 47

r y y

dupe khai thac sir dung he thong pha hoa toan phan v o i chieu cao k h a i thac 3,4 m .

Viec k h a i thac khoang sang 510/1 trong k h u v u c Z 3 , sir d u n g p h u o n g phap khai thac pha h6a toan phan 6 16 c h p 22a dupe bat dau vao nam 2003 6 phia Tay. V a o nam 2003- 2004,16 chp 22 n a m sat v o i 16 c h p 22a dupe khai thac v o i dp cao 3,6 m . N a m 2005,16 c h p 21 va 20 da dupe k h a i thac v o i dp cao 3,1 m . T r o n g n a m 2007,16 c h p 2 0 C dupe khai thac voi chieu cao k h a i thac 3,1 m . T i r thang 11 n a m 2005 cho den thang 3 n a m 2007 16 chp 22a dupe khai thac v o i chieu cao khai thac 3,3 m .

3.2 - Cac hoat dong dia chan da xay ra trong khoi dd trong qua trinh khai thac khu vuc Z3

Su g h i chep ciia cac hoat dong dia chan a phan phia Tay-Bac cua khoang sang m o

"JAS-MOS", trong k h u v u c Z3 dupe bat dau vao n a m 1996-1997, t r o n g qua t r i n h k h a i thac khoang sang 5 0 2 / 1 .

Khoang sang 502/1

Trone t h a i gian k h a i thac khoang sang nav bang cac 16 c h a 54 v a 55, da g h i nhan y duoc tong so 79 chan d o n g . bao g o m 5 chan dong v o i nang l u p n g khoang 10 Jun va 74 chan dong v a i nang l u p n g khoang 10³ Jun.

Khoang sang 505/1

T r o n g t h a i gian k h a i thac k h u v u c 505/1 vao cac n a m 2001-2007 t r o n g cac 16 chp 48, 48a va 47, da g h i lai dupe t i n g s6 2.859 c h i n dong, bao g 6 m 4 c h i n dong v a i nang l u p n g

Cong nghiep md tien tien vi su phat triin bin vung

khoang 10³ Jun, 49 chan dong v o i nang l u o n g khoang 1 0⁴ Jun, 1633 chan dong v d i nang l u o n g 10³ Jun v a khoang 1.173 chan dong v o i nang l u o n g k h o a n g 1 0² Jun.

Khoang sang 510/1

T r o n g t h a i g i a n k h a i thac khoang sang 510/1 vao cac n a m 2003-2007 bang cac 16 chp 22, 2 1 , 20, 2 0 C v a 22a, da g h i l a i dupe tong so 12.150 c h i n d o n g , bao g o m ca 2 c h i n dong v a i nang l u p n g ciia k h o a n g 1 0⁶ Jun, 21 chan dong v o i nang l u p n g khoang 10⁵ Jun, 293 chan dong v a i nang l u o n g khoang 10⁴ Jun, 6.394 chan dong v o i nang l u o n g khoang 10³ Jun v a 5.440 c h i n d o n g v a i nang l u p n g khoang 1 0² Jun. Cac hoat dong dia c h i n Ion nhat.

dupe g h i nhan t r o n g k h i k h a i thac 16 c h p 22a, a day da g h i nhan t o n g so 9.105 chan dong, bao g o m ca 2 chan d o n g v a i nang l u p n g khoang 1 0⁶ Jun, 17 chan dong v o i nang lupng khoang 10⁵ Jun, 233 c h i n dong v a i nang l u p n g khoang 1 0⁴ Jun, 4.777 chan dong v o i nang l u p n g khoang 1 0³ Jun v a 4.076 chan dong v o i nang l u p n g k h o a n g 10² Jun.

4. T r i n h tu k h a i t h a c va d j n h d a n g cac h o a t d o n g d j a c h a n t r o n g 15 cho* 22a, k h u virc 510/1

4.1 Trinh tie khai thac lb chff 22a khoang sang 510/1 L 6 c h p 22a t r o n g khoang

sang 510/1, k h u v u c Z3 dupe khai thac tir thang 11 n a m 2005 cho

r

den thang 3 n a m 2007 su dung he thong khai thac pha hoa toan phan v o i chieu cao k h a i thac 3,3 m .

Tir n h u n g d u bao n g u y c a chan dong v a sap do bat n g a trong 16 c h p 22a, k h o a n g sang 510/1, n g u o i ta da s i n sang sir dung p h u o n g phap phan t i c h / k y

r r thuat so quy d i n h t r o n g " K e hoach

toan di?n phuc v u cho k h a i thac khoang sang v a i n g u y c a r u i ro tai m o than " J A S - M O S " t r o n g giai doan 2005 -2.009, " [ 1 ] d l phong ngira t r o n g k h u v u c ciia 16 chp co the co nhirng chan dong v a i nang l u o n g cao co the xay ra.

H i n h so 2 t r i n h bay cac d u bao cua su phan bo ap lire theo chieu sau khai thac t r o n g 16 c h p 22a, khoang sang 510/1.

L u c dau, 16 c h p 22a, k h u 3?00 3WD XDO-

300- 3100 3000 2»0

voo

2600 2500

40 MPa 35 MPa 30 MPa 25 MPa 20 MPa 15 PMa 10 MPa 5 MPa

ISD0 K0D t?00 WOO 1800 2OO0 2100 ZSS3 2300 2KB 2SCD

Hinh 2. Phan bo dp luc theo chieu sau khai thac trong lb cho 22a, khoang sang 510/1.

vuc Z 3 , t r o n g khoang sang 510/1 da duac k h a i thac theo t r i n h t u sau day:

• D a n chong: Fazos 17/41 POz,

Hdi nghi khoa hoc ki thuat md qudc t i - 2010 Cong nghiep md tien tiin vi su phat triin hen vung

• K h a i thac sir dung m a y J O Y 4 L S 8 ,

• B u d c khdu: 0,80 m ,

• T i e n do t 6 i da: k h o n g co g i d i han,

• C h 6 n g g i u cac d u o n g 16 canh 16 chp: sir dung cac v i chong k i m loai trong khoang dai 10 met phia trudc 16 chp hoac cac k h u tiep giap v d i cac khoang, k h a m trong 16.

Giai phap p h o n g , ch6ng sap do bat nga:

• lien tuc tien hanh quan trac dia chan,

• lien tuc t i l n hanh quan t r i e dia chan a m thanh,

• khoan t h a m do dupe thuc hien de g i a m sat m o i tuan m o t lan t r o n g ba k h u vuc,

• danh gia r u i ro cho m o i 24 g i o dupe thuc h i e n bang each sir dung p h u o n g phap p h u hop.

Hinh 3. Phan phoi rui ro dia chan trong khu vuc lb cho'22a, khoang sang 510/1 Ngay 31/01/2006, vao luc 01:43, da ghi nhan dupe mot chin dong vdi nang lupng la

1,8 x 10⁵ Jun, tai noc dia t i n g trudc k h u v u c 16 chp, trong k h u v u c n a m ve phia D o n g d i t d i 16 chp 22a, n o i co n h i e u phay pha va gan v d i 16 chp. K e t qua cua su chan dong nay l a m mot tai nan tap the da xay ra v d i 5 thanh v i e n cua d p i n g u nhan v i e n t r o n g d u o n g 16 t h u nghiem cua 16 c h p 22a (16 t h u nghiem n i m d u d i 16 chp), l a m hp b i t h u a n g nhe. N g o a i ra, trong d u d n g 16 t h u n g h i e m cua 16 chp 22a, con nhan t h i y tran cua no tren xa chong L P b i ha xuong den 0,7 m , nen lai b i nang len den 0,3 m , cac v i chong con b i n e m ra k h o i v i t r i quang len d o n g dat da v a lat ngupc cac cot ch6ng 16 v a cac l d p l u d i t r o n g 16 nay. T i e n dp

Cong nghiep md tien tiin vi sir phat triin bin vung

cua 16 c h g 22a, k h u 510/1 phai t a m d u n g l a i . Cho d i n t h a i d i l m h i e n nay, 16 cho 22a trong k h u khai thac 510/1 dat 165 m , con l a i 580 m se k i t thuc k h a i thac. T r u o c k h i b i t d i u khai thac lai 16 cho 22a, k h u v u c 5 1 0 / 1 , da t i e n hanh do dia vat l y b6 sung (dia c h i n quet va lap ho so dia chan) de p h o n g ngira t i n h trang su c6 va nguy c a sap d6 [ 2 ] [ 9 ] . H i n h 3 trinh bay cac ket qua qua t r i n h quet dia chan t r o n g 16 cho 22a, k h u v u c 5 1 0 / 1 .

N g o a i ra, cac cong viec tiep theo da duac thuc h i e n d l phuc v u cho cong tac khai thac lien quan den 16 c h g 22a, k h u v u c 510/1 la:

" K h u v u c co n g u y ca bung phat dac biet" dugc g i a i han t r o n g cac d u o n g 16

ben canh k h u v u c 16 chg: trong d u o n g 16 t h u n g h i e m cua 16 c h g 22a, k h u Z 3 , khoang sang 510/1 - a khoang each 200 m phia tren k h u v u c 16 c h g 22a, t r o n g d u o n g 16 phia tren 16 c h g 22a, k h u Z 3 , khoang sang 5 1 0 / 1 - tai khoang each 100 m t r u o c k h i den 16 chg 22a;

D u o n g 16 t h u n g h i e m cua 16 c h g 22a dugc sir dung l a m d u o n g v a n tai tir 16 cho v o i cac u n g dung cong nghe truyen h i n h cap C C T V ; cac t r a m v a i m a n h i n h C C T V phuc vu cho hoat dong (quan sat) cua bang tai n a m ngoai v u n g "nguy c a b u n g phat dac biet";

Sir dung cac b i e n phap phong, c h l n g bung phat sap do t h o n g qua cac giai phap ha l o p tran bang thuoc no,

r r r r t L a p dat so l u g n g cam bien nghe dia chan trong 16 c h g 22a tang tir 2 len 5 de dam bao

lien tuc quan trac dia chan a m thanh ciia k h u vuc 16 c h g 22a v a dau do D L M 2 0 0 1 dugc trang b i tai phia t r u o c 16 c h g de dam bao xac d i n h c h i n h xac v i t r i cua cac chan dong trong duong 16 phia tren 16 c h g 22a.

V i e c k h a i thac t r a l a i 16 c h g 22a dien ra vao ngay 21/02/2006. L u c dau, vi?c khai thac 16 c h g 22a dugc t i e n hanh g i o n g n h u la m o t su k h o i dau cua m § t 16 c h g m o i (khoang 10m ciia 16 c h g dugc k h a i thac vao ca hai m o i ngay; t i e n do d u g c g i a i han 1,6 m/24h). Sau do, tir ngay 31/03/2006 - k h a i thac 3 ca m o i ngay v o i t i e n do 2,4 m / 2 4 h v a sau do tang len den 3,0 m / 2 4 h . D e d u y t r i t i n h lien tuc, trong cac ngay n g h i t i e n do cua 16 c h g 22a dugc thiet lap la k h o n g i t h o n 0,8 m/24h.

Trong thai gian khai thac, viec do dia vat ly van dugc tien hanh bo sung lien tuc

trong 16 c h g 22a, k h u v u c 510/1 de xac d i n h cac r u i ro v a cac b i e n phap p h o n g ngira thich hgp, cung n h u de xac d i n h hieu qua cua cac bien phap p h o n g chong, tiep tuc ap dung:

a) D i a c h i n quet [ 4 ] [ 9 ] suot chieu dai 16 c h g 22a,

b) L a p h6 sa dia c h i n [ 4 ] [ 6 ] trong d u o n g 16 t h u n g h i e m ciia 16 c h g 22a va trong d u o n g 16 a phia tren 16 c h g 22a,

c) Sir dung p h u o n g phap dia chan a m thanh de t i e n hanh viec do dac [ 2 ] .

T u y thuoc vao hoat dong dia chan v a ket qua t h u dugc cua phep do dia vat l y bo sung, cac giai phap p h o n g chong n g u y c a b u n g phat sap d6 [ 9 ] d o i v a i t r i n 16 trong khu vuc 510/1 da dugc ap dung. D a thuc hien 21 v u n6 t r o n g k h u k h a i thac 510/1 trong s u i t do dai cua 16 chg, tir d u o n g 16 t h u n g h i e m tren 16 c h g 22a, k h u Z3 d 6 i v a i k h u v u c co nhieu phay pha ciia 16 c h g (trong k h u v u c bien g i o i k h u 505/1). H o da sir d u n g 1947,1 k g thuoc no nap vao 42 16 m i n . H i n h so 5 t r i n h bay so do thuc hien cac v u no t r o n g k h u vuc 16 cho 22a, khoang sang 5 1 0 / 1 .

Hoi nghi khoa hoc ki thuat md quoc te - 2010 Cong nghiep md tien tien vi su phat trien ben viing 2300

2250 2200 21 50

?21 00

^20S0 2000 1 950 1 900 1 aso 1 800

anomaly A3 increase associated with the edge of superstructure of deposit SOS/I

* \ * \ / Z¹

N -^{6 %} « -«^% /

\ flk /"~ 4.8% \

N

anomalies AI and \Z zone ol decres

—pro\ ing th-e effectiveness of loriu.'doi anomalies AI and \Z zone ol decres ed speeds / v,» 2050 [mrs]

—pro\ ing th-e effectiveness of loriu.'doi •B UMtsttwg y

80 1 00 1 20 1 40 / 1 60 ISO 200 220 240 200 280 300fJ[m]

A1 80m from the front of Iw 22a on 18.02.04 22a testing gallery

U0mod.tr.ic.22> Edge of deposit 505/1 zone . \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

20 40 B0 100 120 1 60 180 200 220 240 ^ 280 280 300 d [til]

Hinh 4. Trtic doc dia chan trong duong lb thii nghiem ciia lb cho 22a, khu vuc 510/1

Hinh 5. So dd thuc hi?n cac vu nd trong khu vuc Id cho 22a, khoang sang 510/1

Cong nghiep md tien tien vi su phat triin bin vung

M o i v u no gay ra chan dong trong khoi da. Tong cong da ghi dugc 21 chan dong, bao gom 6 chan dong v o i nang l u g n g khoang 10⁴ Jun v a 15 chan dong v o i nang l u o n g khoang 10³ Jun.

Nang l u o n g cua cac c o n chan dong sau k h i cho no ghi dugc t u 1,3 x 10³ Jun den 1,9 x 10⁴ Jun.

4.2 Hoat dong dia chdn ghi trong khu vuc Id chp¹22a, khoang sang 510/1

T r o n g t h a i gian k h a i thac 16 c h g 22a, khoang sang 5 1 0 / 1 , cac hoat dong dia chan da duac g h i l a i . T o n g so 9.105 chan dong d u a c ghi l a i . bao g o m ca 2 chan dong v d i nang l u o n g k h o a n g 1 0⁶ Jun. 17 chan dong, v a i nang l u o n g k h o a n g 1 0⁴ Jun, 233 chan dong v o i nang l u o n g k h o a n g 10 Jun. 4.777 chan d o n g v o i nang l u o n g k h o a n g 1 0³ Jun va 4.076 chan dong v o i nang l u o n g k h o a n g 10 Jun. Cac hoat dong dia chan I o n nhat ghi nhan duac tai phia truoc cua 16 c h a>2 2 a , t r o n g k h u k h a i thac 5 1 0 / 1 . tiep giao v o i k h u k h a i thac 505/1, mac d u thuc t l la no n a m khoang 100 m tren k h u v u c 5 1 0 / 1 . T r o n g H i n h 6 m o t a tong nang l u o n g trong khoang 5 m c h i a tren 16 c h a 22a, k h u khai thac 510/1 v o i t o n g so nang luong dia chan tren 5 m nav dao dong tir 2,49 x 10⁴ Jun den 7,31 x 1 0^s Jun , dat d i n gia t r i Ion n h i t k h i phia t r u o c cua 16 c h a 22a, t r o n g k h u v u c 510/1 d i qua d u o i m e n cua k h u , vuc 505/1. N g o a i ra c u o n g do nang luong/tan d l k h a i thac t r o n g g i a i doan nay la I o n nhat va dat tir 6,4 Jun/tan den 186,8 JunAan.

8.00 frWS

506/,

Longwall 22a

Hinh 6. Nang luong trong khoang 5 m phia trudc lo chp" 22a, khu khai thac 510/1

Sau khi phan tich cac dieu kien mo dia chat hi?n tai trong 16 chg 22a, khu khai thac

505/1, Z 3 v a theo k i n h n g h i e m g h i lai dugc v a i cac hoat d o n g dia chan cho den nay trong qua t r i n h k h a i thac k h u Z 3 nay ciing n h u xac d i n h v i t r i cua t a m chan dong, co the phan bi?t hai n g u 6 n cua n h i r n g chan dong t r o n g k h u v u c k h a i thac 6 tren. N o i chung, nhung chan dong v o i nang l u g n g thap co lien quan t o i tang dat da day k h o a n g 40 met tren noc ciia k h u v u c 5 1 0 / 1 . C h a n dong nang l u o n g cao n i m t r o n g d i a tang, tiep giap v o i k h u khai thac 505/1 trong cac tang tiep theo cua sa thach ran va a p h i a D o n g 16 c h g 22a - trong k h u nhieu phay pha, gan tiep giap v o i no [ 3 ] .

Hdi nghi khoa hoc ki thuat md quoc te - 2010 Cong nghiep md tien tien vi su phat trien ben vung

6. T o m t a t

1. N h o viec ap dung rong rai viec giam sat cac nguy sap d6 bit nga, m a da co the tien hanh cong tac khai thac trong 16 chg 22a, khoang sang 510/1, k h u khai thac Z3 theo ke hoach khai thac mot each an toan. Theo cac danh gia hien hanh ve nguy c a sap do, bao g o m ca cac phep do dia vat l y b6 sung, cho phep lua chon cac bien phap phong chong bung phat sap d6 dung dan, thich hop va cong tac t6 chuc khai thac tai 16 chg 22a, trong khoang sang 510/1, k h u vuc Z3 co the dugc tien hanh an toan, mac du day la k h u vuc co hoat dong dia chan cao.

2. M 6 than " J A S - M O S " la m o co nguy ca sap d6 tran bk n g a do eki true dia chk cua k h u vu*c m o [ 5 ] . K h o a n g sang than k h o n g de b i v a , n h u n g chung n a m g i u a cac tang sa thach day v a c u n g v u n g . K h i x e m xet cac ket qua cua phep do d i a vat l y , cac bien phap phong, ch6ng sap d6 bat n g a da thuc hien 21 v u n6 trong k h u k h a i thac 510/1 t r o n g suot do dai cua 16 chg, tir d u o n g 16 t h u n g h i e m tren 16 c h g 22a, k h u Z3 d 6 i v a i k h u v u c co nhieu phay pha cua 16 c h g (trong k h u v u c bien g i o i t i l p giap v a i k h u 505/1). H p da sir dung

1947,1 k g thuoc no nap vao 42 lo m i n .

3. M a c d u g h i nhan dugc cac hoat dong dia chan trong qua t r i n h k h a i thac 16 chp 22a, trong khoang sang 510/1 v a su hien dien cua cap dp nguy h i l m t h u 4 theo metan, n h u n g khong co t r u a n g h p p r u i ro nao da xay ra.

Tdi W>u tham khdo

1 .Kompleksowy projekt eksploatacji poktadow zagrozonych tqpaniami w K W K „ J A S - M O S " na lata 2005-2009". Praca zbiorowa niepublikowana. Jastrzehie Z d r o j 2005.

2.Dubihski J. Pilecki Z. Zuberek W.: Badania geofizyczne w kopalniach .PAN Krakow 2001.

3.Goszcz A . : Elementy mechaniki skat oraz tqpania w polskich kopalniach vv^gla i miedz. P A N K r a k o w 1999.

4.Dubihski J.: Sejsmiczna metoda wyprzedzaj^cej oceny zagrozenia wstrzqsami gorniczymi w kopalniach wejda kamiennego. G I G Katowice 1989.

5.Jakub6w A . : Mozliwosc okreslania stanu zagrozenia i zapobiegania tapaniom przy eksploatacji pokladow o w ^ g l u slabo zwiezrym na przykladzie kopalni Jas-Mos,. Praca doktorska, G I G Katowice 1998.

6Tor A., Chmiel P., Pilecki Z., Jakubow A., Skatula R., Szreder Z., Klosihski J. 2006: Kontrola efektywnosci strzelah torpeduj^cych za pomoc^ profilowah sejsmicznych. Bezpieczenstwo Pracy i Ochrona Srodowiska w Gomictwie. Miesiecznik W U G 6 (142), str. 62-64.

7.Pilecki Z . , Szreder Z . 2007: Moliwosci wykorzystania wspotczynnika tlumienia do oceny stanu naprezenia i deformacji za pomoc^ profilowah sejsmicznych w warunkach duzych glehokosci. Prace Naukowe G I G , N r IV72007,wydanie specjalnie, str. 197-203.

8.Pilecki Z . , Klosihski J. 2007: Profilowanie tlumienia fali sejsmicznej w pokladzie wegla Bezpiecze(stwo Pracy i Ochrona Srodowiska w Gornictwie. Miesi?cznik W U G 6 (154), str. 56-58.

9.Dubihski J. Konopko W . : T^pania - ocena - prognoza - zwalczanie. G I G Katowice 2000.