[1]申权,杨果林,房以河,等.一种膨胀土湿度应力场的近似计算方法[J].深圳大学学报理工版,2016,33(1):41-48.[doi:10.3724/SP.J.1249.2016.01041]
　Shen Quan,Yang Guolin,Fang Yihe,et al.An approximation for calculating moisture stress field of expansive soil[J].Journal of Shenzhen University Science and Engineering,2016,33(1):41-48.[doi:10.3724/SP.J.1249.2016.01041]
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一种膨胀土湿度应力场的近似计算方法()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第33卷
期数:
2016年第1期
页码:
41-48
栏目:
土木建筑工程
出版日期:
2016-01-20

文章信息/Info

Title:
An approximation for calculating moisture stress field of expansive soil
文章编号:
201601006
作者:
申权1; 杨果林1; 房以河1; 杨天尧1; 何旭1; 2
1）中南大学土木工程学院，湖南长沙 410075
2）中铁十九局集团有限公司，辽宁辽阳 111000
Author(s):
Shen Quan1;  Yang Guolin1;  Fang Yihe1;  Yang Tianyao1;  and He Xu1; 2
1) School of Civil Engineering, Central South University, Changsha 410075, Hunan Province, P.R.China
2) China Railway 19th Bureau Group Co.Ltd, Liaoyang 111000, Liaoning Province, P.R.China
关键词:
组合结构; 膨胀土; 湿度应力场; 温度应力场; 原位竖向膨胀力试验; 室内模型试验
Keywords:
composite structure;  expansive soil;  moisture stress field;  temperature stress field;  in-situ vertical expansion force test;  indoor model test
分类号:
TU 398
DOI:
10.3724/SP.J.1249.2016.01041
文献标志码:
A
摘要:
构建一种数值与试验相结合的计算湿度应力场的方法，根据湿度应力场与温度应力场的相似性，采用FLAC软件温度应力场模拟原位竖向膨胀力试验，由此确定湿度场线膨胀系数. 利用室内模型试验对该模拟结果的准确性进行验证，室内模型试验和数值模拟得到的竖向膨胀力大小接近，规律基本一致，表明此种近似的膨胀土湿度应力场计算方法有效可行.研究可为膨胀土膨胀特性的数值模拟提供借鉴.
Abstract:
An approximate approach to calculate moisture stress field of expansive soil is put forth based on numerical calculation and experiments. According to the similarity between the temperature stress field and humidity stress field, in-situ test of vertical expansion force is simulated by a FLAC simulated temperature stress field, aiming at determining expansive factors of a moisture stress field. Indoor model tests are used to verify the correctness of numerical analysis results. The vertical expensive forces determined by numerical simulation are close to the indoor model test results. The results show that the proposed calculation method of expansive soil moisture stress field is feasible and effective. Research results could serve for numerical analysis on the swelling characteristic of expansive soil.

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相似文献/References:

[1]杨明,许锡昌,罗红明,等.皖西膨胀土标准吸湿含水率特征[J].深圳大学学报理工版,2009,26(3):305.
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备注/Memo

备注/Memo:
Received：2015-06-16；Accepted：2015-12-03
Foundation：National Natural Science Foundation of China（51278499, 51308551, 51478484）；Fundamental Research Funds for the Central Universities（2015zzts059）
Corresponding author：Professor Yang Guolin. E-mail: guoling@mail.csu.edu.cn
Citation：Shen Quan, Yang Guolin, Fang Yihe,et al．An approximation for calculating moisture stress field of expansive soil ［J］. Journal of Shenzhen University Science and Engineering, 2016, 33(1): 41-48.（in Chinese）
基金项目：国家自然科学基金资助项目(51278499，51308551，51478484)；中央高校基本科研业务专项资金资助（2015zzts059）
作者简介：申权（1988—），男，中南大学博士研究生.研究方向：加筋土和特殊土的工程特性及数值分析. E-mail:shenquan123456@126.com
引文：申权，杨果林，房以河，等. 一种膨胀土湿度应力场的近似计算方法［J］. 深圳大学学报理工版，2016，33（1）：41-48.
更新日期/Last Update: 2016-01-14