Fluid-soild coupling flow analytical model of bucket foundation suction penetration

DING Hong-yan; ZHANG Chao

doi:10.16285/j.rsm.2006.09.012

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Fluid-soild coupling flow analytical model of bucket foundation suction penetration

更新时间：2026-06-25

- Fluid-soild coupling flow analytical model of bucket foundation suction penetration
- Issue 9, Pages: 1495-1500(2006)
- 作者机构：
  
  1. 天津大学建筑工程学院土木工程系
  2. 天津大学建筑工程学院土木工程系,天津,300072
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2006.09.012
  CLC： TU46
- Published：2006
- 稿件说明：
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[1]丁红岩,张超.筒型基础负压沉贯流固耦合渗流分析模型[J].岩土力学,2006(09):1495-1500.

DING Hong-yan, ZHANG Chao. Fluid-soild coupling flow analytical model of bucket foundation suction penetration[J]. 2006, (9): 1495-1500.
[1]丁红岩,张超.筒型基础负压沉贯流固耦合渗流分析模型[J].岩土力学,2006(09):1495-1500. DOI： 10.16285/j.rsm.2006.09.012.

DING Hong-yan, ZHANG Chao. Fluid-soild coupling flow analytical model of bucket foundation suction penetration[J]. 2006, (9): 1495-1500. DOI： 10.16285/j.rsm.2006.09.012.

摘要

分析筒型基础沉贯作用的土层

利用J2流动理论各项同性硬化原理

研究海积软土颗粒本构关系

结合离散元方法计算土体体应变

并将其引入海积软土的物性参数动态计算模型。根据筒型基础沉贯特征

结合体应变以及物性参数动态模型

由有效应力原理和瞬时质量守恒原理分别确定应力和渗流方程

并给出上述模型的定解条件。建立了新的流固耦合渗流的数学模型

求解筒型基础沉贯渗流场分布。

Abstract

The bucket foundation penetrated soil is analyzed. Constitutive relationship of marine soft clay has been studied by using the principle of J2 flow theory and isotropy. The volumetric strain model which is established by combining finite element method is provided to the theoretical model of dynamic physical parameter. According to the characteristic of bucket foundation during suction penetration

combining constitutive relationship and model of dynamic physical parameter

the stress equation is established by principle of effective stress; and the flow equation is established by instantaneous law of conservation of mass. And solvability condition of aforementioned equation is derived. A new mathematic model of fluid-soild coupled flow is established to solve flow field of bucket foundation during suction penetration.

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