| 状态参量与砂土剪胀性判别方法 |
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| 引用本文： | 王运霞,赵成刚.状态参量与砂土剪胀性判别方法[J].北京工业大学学报,2011,37(5):718-723. |
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| 作者姓名： | 王运霞 赵成刚 |
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| 作者单位： | 北京交通大学土木建筑工程学院,北京100044;北方工业大学建筑工程学院,北京100044;北京交通大学土木建筑工程学院,北京,100044 |
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| 基金项目： | 北京市教委科技发展计划项目资助(KM200910009008) |
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| 摘 要： | 论述了砂土剪胀性特点和状态参数概念.通过对现有试验结果的对比分析,建立了相变线的概念,提出了相变孔隙比和相变应力比的定义和计算公式.提出了状态参量的计算公式和依据状态参量判别砂土剪胀(缩)的具体方法,并建立了砂土的剪胀比计算公式.为建立砂土本构模型提供依据.
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| 关 键 词： | 砂土 剪胀性 状态参量 相变线 剪胀比 |
State Parameter and the Differentiation Method of Sands Dilatancy |
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| WANG Yun-xia,ZHAO Cheng-gang.State Parameter and the Differentiation Method of Sands Dilatancy[J].Journal of Beijing Polytechnic University,2011,37(5):718-723. |
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| Authors: | WANG Yun-xia ZHAO Cheng-gang |
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| Affiliation: | WANG Yun-xia1,2,ZHAO Cheng-gang1(1.Scool of Civil Engineering,Beijing Jiaotong University,Beijing 100044,China,2.College of Architectural Engineering,North China University of Technology,Beijing 100144,China) |
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| Abstract: | The charactors of dilatancy of sands and the concept of the state parameter were discussed.By means of the comparative analysis of experimental results,the concept of phase trans formation line was established.Phase transformation void ratio and phase transformation stress ratio were put forward.State parameter computing formula and a specific method for differentiating sands dilatancy according to state parameter were posed.A kind of method for computing sands dilatancy ratio was established.All of these r... |
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| Keywords: | sand dilatancy state parameter phase transformation line dilation rate |
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