| 土与混凝土接触面反向单剪本构模型 |
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| 引用本文： | 王伟,卢廷浩,周爱兆. 土与混凝土接触面反向单剪本构模型[J]. 土木建筑与环境工程, 2011, 33(1): 59-64 |
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| 作者姓名： | 王伟 卢廷浩 周爱兆 |
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| 作者单位： | 绍兴文理学院 土木工程系,浙江 绍兴 312000;河海大学 岩土工程科学研究所,南京 210098;河海大学 岩土工程科学研究所,南京 210098;江苏科技大学 土木工程与建筑学院,江苏 镇江 212003 |
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| 基金项目： | 浙江省自然科学基金项目(Y1080839);国家自然科学基金委员会(50639050) |
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| 摘 要： | 土与混凝土接触面的反向剪切性质是土木工程中一个重要的课题.根据接触面反向单剪试验结果,定量分析了正向剪切历史对不同含水率接触面反向抗剪强度、摩擦角、黏聚力等因素的影响,给出了相关的经验公式.提出了接触面临界正向剪切比的概念.根据改进的应力应变方程,建立了接触面正反向剪切模量公式,其包含了10个土体参数,均可通过接触面试...
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| 关 键 词： | 土与混凝土接触面 本构模型 反向剪切 临界正向剪切比 含水率 |
| 收稿时间： | 2010-04-08 |
Constitutive Model for Negative Simple-sheared Soil-concrete Interface |
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| WANG Wei,LU Ting-hao and ZHOU Ai-zhao. Constitutive Model for Negative Simple-sheared Soil-concrete Interface[J]. Journal of Civil,Architectrual & Environment Engineering, 2011, 33(1): 59-64 |
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| Authors: | WANG Wei LU Ting-hao ZHOU Ai-zhao |
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| Affiliation: | Department of Civil Engineering, Shaoxing University, Shaoxing 312000, China;Research Institute of Geotechnical Engineering, Hohai University, Nanjing 210098, China;Research Institute of Geotechnical Engineering, Hohai University, Nanjing 210098, China;School of Civil Engineering and Architecture, Jiangsu University of Science and Technology, Zhenjiang 212003, China |
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| Abstract: | Negative shear property of soil-concrete interface is one critical issue in civil engineering. According to negative simple shear tests of soil-concrete interfaces with various water content, quantitative analysis on changes of shear strength, friction angle and cohesion force of negative sheared interface against positive shear experience were conducted. Several empirical formulae were proposed for above changes, and critical positive shear ratio was put forward. Based on improved stress-strain equation, mathematical model for tangent modulus of negative sheared soil-concrete interface was established. This new model consists ten parameters which can be determined by simple shear test. Process for determining these ten parameters was presented, and empirical values of them were obtained. Simulations for stress-strain curves of soil-concrete interface were carried out, and good ability of the model was found. |
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| Keywords: | soil-concrete interface constitutive law negative shear critical positive shear ratio water content |
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