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A pile cap belongs to a mat that is placed on groups of piles and included in the part of foundation. Given below the details of pile cap design, shape, and dimensions.
The shape and plan dimensions of the pile cap are formed on the basis of the number of piles in the group and the gaping amid each pile. Given below some examples of the most normal shapes of pile caps :-
These pile cap shapes reduce the plan area in support of a uniform disposition of piles about the load.
The pile cap is over handed the external piles by merely 150mm but must not surpass it, usually not in excess of the diameter of the pile diameter.
This reduces the plan area and consequently the cost, whereas offering adequate length to:
• Anchor the tension reinforcement through a big radius bend • Guarantee sufficient cover to the reinforcement • Assure construction tolerances.
