Comparative Study on Different Types and Shapes of Footing and Effect of Load on Soil Using Staad Pro

Civil

Seismic response is affected by soil-foundation-structure interaction. This proposed procedure reveals the effects of soil-foundation-structure interaction on the seismic response. Soil-foundation-structure interaction provisions of seismic design codes are optional and allow designers to reduce the design base capacity of buildings by considering soil-structure interaction (SSI) as a beneficial effect. The soil-structure system can be replaced with an equivalent fixed-base model with a longer period and usually a larger damping ratio. Spread foundation, mono pile, pile group with cap, and combined foundation are the four types of foundations were analyzed, with frequency-based design. Implicitly (subgrade reaction modulus) and explicitly both are used to model the soil. STAAD Pro program used with finite level model were the first validation using experimental data. Recommendations were given to simplify the soil-foundation structure interaction analysis of seismic loading. Different shaped footing for same loading condition are compared in this proposed work. Also, best suitable and stale type of footing which can transfer load is determined using soil bearing capacity and by using analysis tool Staad pro, cost analysis of all is determined to find the economical section.

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