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| CONSTRUCTION METHODS FOR M-BEAM BRIDGES |
| PSEUDO BOX |
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Construction sequence
- M-beams are launched at 1-metre centers.
- Fill gap between bottom flanges of adjacent beams
- Place reinforcement through web holes & cover reinforcement with a minimum of 50mm in situ concrete.
- Place permanent formwork between top flanges of adjacent beams
- Place reinforcement for top slab and end diaphragm beams
- Cast top slab and end diaphragm beams
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| T-BEAM |
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Construction sequence
- M-beams are launched at 1-metre centers
- Place permanent formwork between top flanges of adjacent beams
- Place reinforcement for top slab and end diaphragm beams
- Cast top slab and end diaphragm beams.
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| CONSTRUCTION METHODS FOR INVERTED T-BEAM BRIDGES |
| GRILLAGE |
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Construction sequence
- Inverted T-beams are laid at 508mm centers
- Fill gap between bottom flanges of adjacent beams at position of diaphragm beams
- Place diaphragm reinforcement through web holes @ 1.525mm centers together with shear reinforcement
- Place formwork to sides of diaphragm beams and top flanges of adjacent beams
- Place reinforcement for top slab
- Cast top slab and diaphragm beams
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| SOLID SLAB |
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Construction sequence
- Inverted T-beams are laid at 508mm centers
- Fill gap between bottom flanges of adjacent beam length of beams
- Place reinforcement through web holes @ 762mm centers
- Place reinforcement for top slab
- Cast void between contiguous beams together slab.
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| CONSTRUCTION METHODS FOR I-BEAM BRIDGES |
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Construction sequence
- I-beams are launched at 1.5 metre centers (typical)
- Side formwork for diaphragm beams and soffit formwork slab is placed
- Reinforcement for diaphragm beams is placed.
- Place reinforcement for top slab.
- Cast top slab and diaphragm beams.
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| Note: For T-beam construction, web holes are omitted, except at the ends of the M-beam for threading through the end diaphragm beam reinforcement. |
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| Prestressed Concrete Beam | Page 1 | Page 2 | Page 3 | Page 4 | Page 5 |
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HUME CONCRETE MARKETING SDN BHD (8411-T)
Level 2, Bangunan Pan Global,
No. 1A, Jalan Tandang,
P.O.Box 21, 46700
Petaling Jaya, Selangor.
Hot-line: (603) 7785 5282
Tel: (603) 7783 3068
Fax: (603) 7785 1823
E-mail: Adam Hussein (HIMB-PJ) |
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