Address: Jl. Raya Cikarang Cibarusah No. 99
Sukaresmi, Cikarang Selatan, Bekasi 17550 Phone : ( 021 ) 8975558
Fax : ( 021 ) 89906762
Email : marketing@kobe-concrerte.com Website : www.kobe-concrete.com
Owner: PS. Mitsubishi Construction Co, Ltd : 99.9% Mr. Hadinata Widjaja : 0.1%
PT. KOMPONINDO BETONJAYA
Products: Prestressed Precast Concrete Spun Piles
Prestressed Precast Concrete Corrugated Sheet Piles Prestressed Precast Concrete Flat Sheet Piles
Prestressed Precast Concrete Single Tee Slabs Prestressed Precast Concrete U Girders
Prestressed Precast Concrete Beams Precast Concrete Elements, etc
PT. KOMPONINDO BETONJAYA
1989 October - Establishment
1990 September - Commercial Production for PC Spun Piles 1991 June - Commercial Production for PC Sheet Piles 1994 December - Commercial Production for PC Half Slabs 1996 June - Commercial Production for Single Tees 1991 November - ISO 9002 Certified
1998 March - Commercial Production for Overseas Projects 2000 August - Commercial Production for RC Tunnel Segments 2004 January - Commercial Production for PCU Girders
2008 May - Opening Ceremony of Factory IV
PT. KOMPONINDO BETONJAYA
PT. KOMPONINDO BETONJAYA
COMPANY ORGANIZATION
BOARD OF COMMISIONERS PRESIDENT DIRECTOR GENERAL MANAGER OPERATION MANAGER QC & PPC MANAGER MARKETING MANAGER PURCHASING MANAGER HRD MANAGER FINANCE MANAGER ACCOUNTING MANAGERPT. KOMPONINDO BETONJAYA\
FACTORY BIRDVIEW
FACTORY 4 FACTORY 1 FACTORY 2 FACTORY 3 CONCRETE PLANT 2 CONCRETE PLANT 1FAKTOR – FAKTOR YANG MEPENGARUHI
PEMILIHAN PENGGUNA BETON PRECAST
1. Faktor kualitas.
Pada umumnya diproduksi di pabrik lebih terjamin kualitasnya, dan dapat memakai beton dengan mutu yang lebih tinggi.
2. Faktor Project Site.
Lokasi proyek yang terpencil, maupun ketersediaan lahan yang terbatas/ sempit seringkali tidak memungkinkan produksi di site proyek.
3. Faktor Schedule pelaksanaan.
Pemakaian beton precast dapat mempercepat waktu pelaksanaan.
4. Faktor biaya pelaksanaan.
Penggunaan beton precast umumnya dapat mengurangi biaya pelaksanaan.
5. Faktor kemudahan pelaksanaan dilapangan.
Dengan memakai beton precast maka pelaksanaan dapat dilakukan dengan lebih praktis karena tidak perlu diproduksi di lapangan.
PEMBAGIAN BETON MENURUT
STRUKTURNYA
1. Beton Tidak Bertulang ( Plain Concrete )
2. Beton Bertulang ( Reinforced Concrete / RC )
3. Beton Prategang ( Prestressed Concrete / PC )
dibagi menjadi 2 yaitu :
1. Pre – tensioned
2. Post – tensioned monolith
3. Post – tensioned segmental
A.1. JALAN
1. Pavement
2. Concrete Block
3. Barrier dan Parapet
PENGGUNAAN BETON PRECAST
CIVIL STRUCTURES
A.2. JEMBATAN
1. Balok Jembatan
2. Pondasi Jembatan
3. Oprit Jembatan
PENGGUNAAN BETON PRECAST
1. PC. VOIDED SLAB 2. PC. U GIRDER 3. PC. I GIRDER 4. PC. T GIRDER 5. PC. BOX GIRDER
1
2
3
4
1. BALOK JEMBATAN
5
2. Concrete Piles
1. PC. Spun Piles
1. PC. Sheet Piles
2. Key Stones
C. Normalisasi Sungai
PC. Sheet Piles
Piles and Concrete Panel
Slope Protection Blocks
PENGGUNAAN BETON PRECAST
CIVIL STRUCTURES
RC. Ditchs
RC. Box Culverts
RC. Pipes
B. Drainage Structures
1. U Ditch
2. Box Culvert
3. Pipes
1. PC. Corrugated Sheet Piles
2. PC. Flat Piles
D. Dermaga (Berth)
Concrete Piles
Pile Caps
Head Stocks
Deck Slabs
Fender Walls
Breasting Dolphins
Mooring Dolphins
PENGGUNAAN BETON PRECAST
Concrete Piles
1. PC. Spun Piles
E. Others
Breakwaters/Pemecah Ombak
Concrete Poles (Tiang Beton)
RC Segmental Tunnel Rings
Diaphragm Walls
PENGGUNAAN BETON PRECAST
CIVIL STRUCTURES
PC Sleepers
Pagar Beton Precast
Pondasi Tiang Pancang
RC. Columns
RC. Beams
RC/PC. Half Slabs
RC/PC. Single / Double Tees
RC. Walls
RC. Stairs
PENGGUNAAN BETON PRECAST
Building
STRUCTURES
Roofing
PC Hollow Core Slabs
1. PC / RC Piles
1. PC. Spun Piles
2. PC. Square Piles
Flow Chart Preparation for Precast Concrete
Production
Design Drawings Specifications
Approved for Construction Drawings
Testing of Raw Materials
Approved Shop Drawings
Production Schedule Equipments Facilities Moulds Human Resources Raw Materials Trial Mixes Trial Production Production
Flow Chart Proses Produksi Beton Precast
1. RC Precast
Setting Inner Mould Apply Mould Oil Rebar Installation
Casting and Compacting Concrete
Curing
Demoulding
Finishing
Stock Yard Setting Outer Mould
2. PC Precast Pre Tension
Setting Inner Mould
Apply Mould Oil
Placing Rebar
Laying PC Strand
Stressing PC Strand
Fixing Rebar Setting Outer Mould
Casting and Compacting Concrete Curing Stress Introduction Demoulding Finishing Stock Yard
3. PC Precast Post Tensioned
Setting Mould
Flow Chart Proses Produksi Beton Precast
Apply Mould Oil
Placing Rebar
Install Sheath and Anchoring Blocks
Setting Outer Mould
Casting and Compacting Concrete Curing Curing Finishing Stock Yard Stressing at Site Stressing Finishing SEGMENTAL MONOLITH Demoulding Demoulding Stock yard
Delivery RC / PC Precast
Equipment yang dipakai :
- Crane untuk angkat
- Transport ke Proyek dengan I. Angkutan Darat
1. Tronton, Panjang s/d 10 m, muatan max. 25 ton
2. Trailer, Panjang s/d 15 m, muatan max. 45 ton
3. Extended Trailer, Panjang s/d 17 m, muatan max. 45 ton
4. Trailer Boggie, Panjang s/d 25 m, muatan max. 50 ton
Delivery RC / PC Precast
II. Angkutan Laut
1. Dengan Tongkang, yang ditarik kapal Tunda
2. Dengan Cargo Ship
Peralatan pelaksanaan pekerjaan dilapangan
( Contoh : Tiang Pancang )
I. Service Crane dilapangan untuk handling dari moda transport yang dipakai.
II. Theodolit untuk menentukan posisi tiang pancang` III. Alat Pancang untuk memasang tiang pancang
1. Drop Hammer
2. Diesel Hammer
3. Hydraulic Hammer
4. Jack in Piling Rig
5. Under Reamed and Kneading Method
6. Nakabori Method
5(a).Nakabori Method ( from CMJ )
1 2 3 4 5 Keterangan :
1. Proses Persiapan 2. Setting motor, Pile dan drill 3. Proses penekanan pile ke bawah 4. Proses penyambungan Pile 5. Proses penekanan pile sampai dasar
5(b).Under Reamed and Kneading
Method ( from Rodex )
1 2 3 4 5 6 Keterangan :
1. Proses pengeboran dan penekanan ( putaran searah jarum jam )
2. Putaran dibalik , perluasan bagian bawah
3. Perluasan dan Pengisian semen bagian bawah
4. Pengisian semen cair sampai tengah Disertai dengan penarikan drill
( putaran searah jarum jam )
5. Tiang Pancang dimasukkan dan ditekan 6. Tiang pancang diputar dan disambung ( putaran searah jarum jam )
Nakabori Method ( from CMJ )
6 7 8 9 10 Keterangan :
6. Proses Persiapan drilling rod
7. Memasukkan drilling rod sampai dasar 8. Memutar drilling rod sehingga bagian bawah melebar 9. Memasukkan cairan semen sampai pada bagian bawah