OKA RC L-SHAPE WALL PDF Brochure
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FUNCTIONS OF OKA L-SHAPE WALL:
- Open Drains
- Retaining Wall
- Used as Storage/Fencing Walls
HANDLING OF OKA L-SHAPE WALL:
Site Stacking - OKA L-shape wall shall be stacked on leveled ground at site.
Site Laying/Installation - OKA L-shape wall shall be laid on well compacted ground bedding.Joints - OKA L-shape wall comes with plain butt joints. Gaps in between normally to be filled up with cement-sand mortar.
ADVANTAGES OF OKA L-SHAPE WALL:
- Finish products manufactured with dimensional accuracy and consistency under control factory environment.
- Simple application and maintenance free products.
- OKA L-shape wall can be off loaded directly from transport and assembled in a single operation.
- Easy in handling and laying.
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| DESIGN CRITERIA:|
- Structural design is in accordance to BS 8110.
- Hydrostatic pressure is not considered in design as 50mm weep hole will be provided to relieve water pressure behind the wall.
- Design loadings are generally categorized in 3 types:
Open Drain – Short leg backfill with granular soil
Type 1: Level backfill with 10 kN/m2 of live load surcharge
Type 2: Non level backfill with max of 600mm height from top of wall and slope gradient of 30o
Retaining Wall – Long leg backfill with granular soil
Type 3: Level backfill or non-level backfill similar to above type 1 and type 2 loading condition
- Concrete grade shall be 40 N/mm2
- Concrete cover = 30mm
- Bulk density of backfill soil to be 19 kN/m3
- Angle of internal friction of backfill soil = 30o
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| TYPICAL PRECAST L-SHAPE WALL PROPERTIES |
|IN VIEW OF CONTINUAL IMPROVEMENT OKA RESERVES THE RIGHT TO ALTER SPECIFICATIONS WITHOUT PRIOR NOTICE|
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