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A platform for research: civil engineering, architecture and urbanism
Numerical Solution for Ultimate Lateral Capacity of Vertical Deep Foundation in Multiple-Layer Soil and Rock Strata
Deep foundations are widely used to support bridges, electrical transmission towers, buildings, and many other structures which are subjected to significant lateral loads. As in most design of these deep foundations, the displacements resulting from this form of loading must be within tolerable limits. Additionally, an adequate margin of safety against collapse (push over) must be ensured. A general numerical solution for computing the lateral capacity of piles in soil and rock layers is proposed in this paper. The proposed method is based on numerical discretization of the soil/rock layer surrounding piles, the ultimate lateral resistance of each pile segment, and pile tip resistance. Both free-head and fixed-head boundary conditions are considered in the proposed method. A detailed description of the derivation of the numerical solution is given in the paper. Furthermore, the proposed method is validated against lateral load test results at the end of this paper. The presented method can be a useful approach to the push over analysis of laterally loaded vertical foundation element in the multiple-layer soil and rock strata.
Numerical Solution for Ultimate Lateral Capacity of Vertical Deep Foundation in Multiple-Layer Soil and Rock Strata
Deep foundations are widely used to support bridges, electrical transmission towers, buildings, and many other structures which are subjected to significant lateral loads. As in most design of these deep foundations, the displacements resulting from this form of loading must be within tolerable limits. Additionally, an adequate margin of safety against collapse (push over) must be ensured. A general numerical solution for computing the lateral capacity of piles in soil and rock layers is proposed in this paper. The proposed method is based on numerical discretization of the soil/rock layer surrounding piles, the ultimate lateral resistance of each pile segment, and pile tip resistance. Both free-head and fixed-head boundary conditions are considered in the proposed method. A detailed description of the derivation of the numerical solution is given in the paper. Furthermore, the proposed method is validated against lateral load test results at the end of this paper. The presented method can be a useful approach to the push over analysis of laterally loaded vertical foundation element in the multiple-layer soil and rock strata.
Numerical Solution for Ultimate Lateral Capacity of Vertical Deep Foundation in Multiple-Layer Soil and Rock Strata
Yang, Ke (author) / Liang, Robert Y. (author)
International Foundation Congress and Equipment Expo 2009 ; 2009 ; Orlando, Florida, United States
2009-03-10
Conference paper
Electronic Resource
English
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