Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Analytical Solutions of Deformation of Uplift Belled Group Piles considering Reinforcement Effect
Abstract Up to now, the design method of uplift piles have still imitated the design of compressive piles, which results in that computation design theory is far behind of the engineering practice. As the interaction of piles has been very prominent and important in the deformation of pile groups, the deformation of the group piles has become the urgent issues in engineering applications. Based on the theory of elastic mechanics and principle of pile load transfer, it is derived that the nonlinear analytical expressions of deformation of uplift belled group piles considering reinforcement effect, and the specific calculation steps are given. The validity of the analytical method is verified through the comparison of the pictures, which consist of the calculated data of the analytical solution, the measured date of the model test and the results of finite element analysis. The results unveils that properties of soil, the expanded body of pile and the length of pile has impact on the deformation of uplift belled group piles considering the reinforcement effect significantly. With the increasing of elastic modulus of soil, the expanded body of pile and the length of pile, the uplift deformation of uplift belled group piles is reduced.
Analytical Solutions of Deformation of Uplift Belled Group Piles considering Reinforcement Effect
Abstract Up to now, the design method of uplift piles have still imitated the design of compressive piles, which results in that computation design theory is far behind of the engineering practice. As the interaction of piles has been very prominent and important in the deformation of pile groups, the deformation of the group piles has become the urgent issues in engineering applications. Based on the theory of elastic mechanics and principle of pile load transfer, it is derived that the nonlinear analytical expressions of deformation of uplift belled group piles considering reinforcement effect, and the specific calculation steps are given. The validity of the analytical method is verified through the comparison of the pictures, which consist of the calculated data of the analytical solution, the measured date of the model test and the results of finite element analysis. The results unveils that properties of soil, the expanded body of pile and the length of pile has impact on the deformation of uplift belled group piles considering the reinforcement effect significantly. With the increasing of elastic modulus of soil, the expanded body of pile and the length of pile, the uplift deformation of uplift belled group piles is reduced.
Analytical Solutions of Deformation of Uplift Belled Group Piles considering Reinforcement Effect
Yao, Wen-juan (Autor:in) / Xiao, Lu (Autor:in)
KSCE Journal of Civil Engineering ; 23 ; 1007-1016
30.01.2019
10 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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