Cost Modeling of Foundations of Reinforced Concrete Buildings Designed for Seismic Effects

Abstract eng:
The paper presents the quantity and cost modeling of building foundations of reinforced concrete multistoreyed buildings in the range of two to ten storeys designed for seismic forces in the various seismic zones of Indian subcontinent and quantifies the cost premium for providing seismic resistance. The foundation types considered are; isolated footings, raft and pile foundations under different allowable bearing pressure values of the supporting soils. The study provides the requirement of structural quantities and foundation costs per unit floor area of the building in different seismic zones. The result of the study are useful for the design professionals and cost engineers during early stages of design development and cost planning. The study also highlights the achievable economy in foundation costs through proper evaluation of allowable bearing pressure of soils through adequate geotechnical investigations of the building sites.

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