Standard length of L-Shape Units is 1000mm. Non standard sizes with different loading condition can be specially designed and made by ALLIANCE PRECAST INDUSTRIAL SDN BHD.
API reserves the right to change specification prior notice.
FEATURES of ALLIANCE PRECAST INDUSTRIES (API)
API L-Shape Units may be used as
1. Retaining Walls
2. Open Drains
3. Storage walls
Design Criteria
1. Concrete grade shall be 40N/mm². Bulk Density of soil backfill to be 1. 1900kg/m³ (19kN/m³)
2. Angle of internet friction of backfill soil to be 30° and granular to be used for backfill 2. purpose.
3. Hydrostatic pressure is relieved by weepholes provision along the centreline of the 3. wall.
Advantages of precast L-Shape Units
1. Easy assemble or dismantle
2. Maintenance free 3. Can be off loaded from transport and erected in one operation by unskilled labour.
Is is our policy to continuously review and improve products and their design.
Information in this webpage is therefore subject to change without prior notice.
API was accredited with SIRIM Product Certification for its Box Culvert in December 1999 and the Quality System MS ISO 9002 by SIRIM in February 2001.
The upgrading of the Quality System to MS ISO 9001:2000 was successfully implemented in 2003.