2020
DOI: 10.1155/2020/4509057
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A Constitutive Model for Saturated Gravelly Sand Based on Higher‐Order Dilatancy Equation

Abstract: A standard stress path triaxial test system was applied to carry out conventional triaxial shearing tests for gravelly sands under confining pressures ranging from 50 kPa to 400 kPa at the initial relative densities of 0.15, 0.35, 0.55, and 0.75, respectively. The test results show that all the samples of gravelly sand present strain hardening and shear contraction during the process of shearing test. Additionally, gravelly sands are significantly affected by the initial relative density. The hardening… Show more

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“…Under vertical load, the failure of pile foundation is usually controlled by settlement and shear slip of soil around pile, and the failure of the pile body rarely occurs. erefore, the linear elastic model was adopted for the pile body [19], and the constitutive relation of its tensor form can be expressed as follows [20]:…”
Section: Constitutive Model Of Pile Materialmentioning
confidence: 99%
“…Under vertical load, the failure of pile foundation is usually controlled by settlement and shear slip of soil around pile, and the failure of the pile body rarely occurs. erefore, the linear elastic model was adopted for the pile body [19], and the constitutive relation of its tensor form can be expressed as follows [20]:…”
Section: Constitutive Model Of Pile Materialmentioning
confidence: 99%