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Soils having the problem of large settlement and differential settlements under heavy loads.Selection criteria for floating foundation:įloating foundations are suitable for the following conditions, For this reason, it is also termed as balancing raft foundation. The main aim or purpose of the floating foundation is to balance the weight of removed soil by a structure of same weight which causes zero settlement to the structure. Floating foundation causes zero settlement to the structure and provides the stable platform for the superstructure.Ī floating foundation is a type of foundation constructed by excavating the soil in such a way that the weight of structure built on the soil is nearly equal to the total weight of the soil excavated from the ground including the weight of water in the soil before the construction of the structure. Low bearing capacity of soil, poorly compacted soil, soil consolidation are the reasons for foundation settlement. The total vertical displacement that occurs at the foundation level is known as “Settlement”. Construction Technology (Career Building Course)

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