NUMERICAL MODELLING OF CHICKEN-FOOT FOUNDATION

Vipman Tandjiria




Abstract


This paper presents an analysis of the chicken-foot foundation using the finite element method. The foundation is considered as a reinforced concrete slab resting on a number of reinforced concrete pipes filled with and surrounded by in-situ soil. The soil and the pipes were modelled by isoparametric solid elements while the slab was modelled by isoparametric thick-plate elements. The study was intended to illustrate the basic mechanism of the chicken-foot foundation. Three cases have been considered for the parametric studies. The parameters investigated are thickness of slab, length of pipes and spacing between pipes. It is shown that such a foundation improves the behaviour of the raft foundation. It is also found that all the parameters used in the parametric studies influence the behaviour of the chicken-foot foundation.


Keywords


chicken-foot foundation, finite element, foundation

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©All right reserved 2016.Civil Engineering Dimension, ISSN: 1410-9530, e-ISSN: 1979-570X

 

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