Selection Procedure
The selection of a foundation suitable for the type of structure to be constructed or for a given size depends on several factors. Following are the general steps to be followed in choosing the type of foundation.
- Necessary data about the type of structure and the loads anticipated to be carried by the structure are collected.
- Adequate information about the sub-soil condition through a suitable soil investigation is got.
- The possibility of constructing a different foundation keeping in mind the basic design criteria for a foundation is explored. During this exercise, all unsuitable types may be eliminated in the preliminary choice.
- One or two types of foundations based on the preliminary studies which may be a shallow or deep foundation, are selected and more detailed studies regarding the stability of the foundation and super-structure are carried out.
- Cost estimates of one or more chosen foundations are worked out.
- Three types of foundations to satisfy all the requirements are finally decided.
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