| 层状地基一维固结数值方法与应用 |
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| 引用本文： | 张卫东,徐学燕,张有闻. 层状地基一维固结数值方法与应用[J]. 哈尔滨建筑大学学报, 2002, 35(2): 26-30 |
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| 作者姓名： | 张卫东 徐学燕 张有闻 |
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| 作者单位： | 哈尔滨工业大学土木工程学院,黑龙江,哈尔滨,150090 |
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| 摘 要： | 本文采用数值方法，求解层状地基考虑施工荷载变化的固结微分方程，通过计算，揭示了成层地基的固结特性，说明考虑实际土层分布的必要，为工程中求解一维固结问题提供简便可靠的计算方法。
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| 关 键 词： | 层状地基 施工荷载 一维固结 有限差分法 差分格式 超静孔隙水压 固结度 平均指标法 |
| 文章编号： | 1006-6780(2002)02-0026-05 |
| 修稿时间： | 2001-05-11 |
Numerical method of one dimensional consolidation of layered ground and its applications |
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| ZHANG Wei-dong,XU Xue-yan,ZHANG You-wen. Numerical method of one dimensional consolidation of layered ground and its applications[J]. Journal of Harbin University of Civil Engineering and Architecture, 2002, 35(2): 26-30 |
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| Authors: | ZHANG Wei-dong XU Xue-yan ZHANG You-wen |
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| Abstract: | The model of one dimensional consolidation of layered systems is used with,construction loads taken into consideration,but it is difficult to calculate the basis equations from this model.FDM is applied to discrete the equations and finite different equations in three forms and calculating formu-las are formulated for the degree of consolidation.The analysis made with corresponding computer pro-gram developed demonstrated that the consolidation characteristics were apparently different on different layered ground,and it is therefore necessary to consider the consolidation characteristics of layered soil.This method and program were proved quiet right by comparing them with the analytical solution. |
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| Keywords: | layered ground construction loads one -dimensional consolidation finite different method finite different form excess pore pressure degree of consolidation average parameter method |
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