Fast Download speed and ads Free! This book examines alternative design procedures for plain and piled raft foundations. It explores the assumptions that are made in the analysis of soil - structure interaction, together with the associated calculation methods. The book gives many examples of project applications covering a wide range of structural forms and ground conditions. Piled foundations are generally designed using empirical methods, in particular the traditional capacity based approach on which the majority of codes of practice are based. However in recent years the analysis of pile groups and piled rafts has undergone substantial development in the light of new research and the mechanisms for the interactions b.
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Institute of Technology and Science, Indore, India. Abstract The use of piled raft foundation for the high rise structures has increased recently because of its efficiency in reducing high stress concentrations, total and differential settlements of the foundation system economically. The main objective of this comparative study is to investigate the behaviour and performance of the combined piled raft foundation by changing the parameters like raft thickness, pile diameter, pile length and pile spacing. For this purpose, a twenty storey building is modelled and analyzed in ETABS software and then foundation models with different geometrical configurations of piles and raft are prepared in SAFE software to analyze the behaviour of piled raft foundation under the loadings from the superstructure obtained from ETABS software.
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Noh et al carried out analysis of un-piled and piled raft foundations. They observed. The raft thickness affects diff. Finite element modeling for piled raft foundation in sand. Also the load carrying capacity increased up to 3m x 3m size raft and later load carrying capacity decreased with increase in raft size.