Simulation Analyses of Piled Raft Foundations Subjected to Horizontal Load

Nagao, Toshiaki; Kuwabara, Fumio; Kobayashi, Haruo; Watanabe, Toru

doi:10.3130/aijs.69.63_2

Cited by 2 publications

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“…As a result, it was found that the frictional force-displacement relationship could be evaluated by a hyperbolic function. Field tests and centrifuge modeling tests for passive resistance and base friction were also conducted (Watanabe et al, 2001(Watanabe et al, , 2006Nagao et al, 2002Nagao et al, , 2004. The results showed that the obtained load-displacement curve could be approximated by a hyperbolic function.…”

Section: Introductionmentioning

confidence: 96%

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An Analytical Model for Embedded Foundations of Building Structures Subjected to Horizontal Loads

Watanabe

Nagao

Majima

et al. 2007

Journal of Asian Architecture and Building Engineering

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This paper describes an analytical model for predicting the load-displacement relationship of structures with embedded foundations subjected to horizontal loads. The proposed analytical model uses discrete springs to represent soil resistance (passive resistance, side friction, and base friction) and considers nonlinear behavior using a hyperbolic function based on tests conducted by the authors. A method of estimating the initial tangent modulus of the hyperbola is also presented. Numerical analyses are carried out using the proposed model for two horizontal loading tests on actual caissons assumed to represent the basement of a building. The analytical results are in reasonably good agreement with the measured results.

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Section: Introductionmentioning

confidence: 96%

“…; Nagao et al, 2002Nagao et al, , 2004. The non-linearity of each soil spring is also specified by a hyperbolic function; however, the field tests for passive resistance were conducted under monotonic loading.…”

Section: Passive Resistance and Base Frictionmentioning

confidence: 99%