PILE AND PILE CAP:

Grouping of piles-Plan of overall dimension of group.

Typical pile cap section

Maximum clear spacing in pile cap:

Note: This will deem to satisfy a crack width limitation of 0.3mm.

Critical sections for bending moments in a pile cap

Punching and enhanced shear check

Critical section for checking shear stress in pile cap.

Perimeters punching shear checks.

Indian Standards on Piles

1. IS 2911 : Part 1 : Sec 1 : 1979 Driven cast in-situ concrete piles 2. IS 2911 : Part 1 : Sec 2 : 1979 Bored cast-in-situ piles 3. IS 2911 : Part 1 : Sec 3 : 1979 Driven precast concrete piles 4. IS 2911 : Part 1 : Sec 4 : 1984 Bored precast concrete piles 5. IS 2911 : Part 2 : 1980 Timber piles 6. IS 2911 : Part 3 : 1980 Under reamed piles 7. IS 2911 : Part 4 : 1985 Load test on piles 8. IS 5121 : 1969 Safety code for piling and other deep foundations 9. IS 6426 : 1972 Specification for pile driving hammer 10. IS 6427 : 1972 Glossary of Terms Relating to Pile Driving Equipment 11. IS 6428 : 1972 Specification for pile frame 12. IS 9716 : 1981 Guide for lateral dynamic load test on piles 13. IS 14362 : 1996 Pile boring equipment - General requirements 14. IS 14593 : 1998 Bored cast-in-situ piles founded on rocks - Guidelines 15. 14893 2001 Non-Destructive Integrity Testing of Piles –(NDT)-Guidelines

Compiled by Er.T.RangaRajan.