materi precast concrete - pt kobe oleh pono budi handoko (edit)
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Precast Concrete - PT KOBETRANSCRIPT
Address: Jl. Raya Cikarang Cibarusah No. 99
Sukaresmi, Cikarang Selatan, Bekasi 17550
Phone : ( 021 ) 8975558
Fax : ( 021 ) 89906762
Email : [email protected]
Website : www.kobe-concrete.com
Owner: PS. Mitsubishi Construction Co, Ltd : 99.9%
Mr. Hadinata Widjaja : 0.1%
PT. KOMPONINDO BETONJAYA DATA
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 DATA
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 PROGRESS
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 MANAGER
PT. KOMPONINDO BETONJAYA\ FACTORY BIRDVIEW
FACTORY
4
FACTORY 1
FACTORY 2
FACTORY 3 CONCRETE PLANT 2
CONCRETE PLANT 1
FAKTOR – 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
4. Pondasi Cakar Ayam
1. Pavement
2. Concrete Block
3. Barrier dan Parapet
4. Pondasi Cakar Ayam
A.2. JEMBATAN
1. Balok Jembatan
2. Pondasi Jembatan
3. Oprit Jembatan
PENGGUNAAN BETON PRECAST CIVIL STRUCTURES
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
2. PC. Square Piles
1. PC. Sheet Piles
2. Key Stones
3. OPRIT JEMBATAN
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
DRAINAGE STRUCTURES
1. PC. Corrugated Sheet Piles
2. PC. Flat Piles
Sheet Piles
Piles and Concrete Panels
Slope Protection Blocks
D. Dermaga (Berth)
Concrete Piles
Pile Caps
Head Stocks
Deck Slabs
Fender Walls
Breasting Dolphins
Mooring Dolphins
PENGGUNAAN BETON PRECAST CIVIL STRUCTURES
Concrete Piles
1. PC. Spun Piles
2. PC. Square Piles
Pile Caps
Head Stocks
Deck Slabs
Fender Wall
Breasting and Mooring Dolphins
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
Tetrapod
Concrete Poles (Tiang Beton)
Segmental Tunnel Rings
Diaphragm Walls
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
3. Triangular piles
2. RC. Columns & RC. Beams
3. Half Slabs
4. Hollow Core Slabs
5. RC/PC. Single/Double Tee
6. RC. Walls
7. RC. Stairs
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
Flow Chart Proses Produksi Beton Precast
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
5. Special Trailer, misalnya Cometto, muatan max 200 ton
1. Tronton
2. Trailer
3. Extended Trailer
4. Trailer Boggie
5. Cometto
Delivery RC / PC Precast
II. Angkutan Laut
1. Dengan Tongkang, yang ditarik kapal Tunda
2. Dengan Cargo Ship
1. Tongkang
2. 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
1. Drop Hammer
2. Diesel Hammer
3. Hydraulic Hammer
4. Jack in Piling Rig
5(a).Nakabori Method ( from CMJ )
1 4 5 Keterangan : 2 3
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 9 10 Keterangan :
7 8 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
10. Proses Finishing
Presentasi Precast Concrete
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