| 冻土的动力特性研究及其参数确定 |
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| 引用本文： | 徐学燕,仲丛利,陈亚明,张家懿.冻土的动力特性研究及其参数确定[J].岩土工程学报,1998,20(5):80-84. |
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| 作者姓名： | 徐学燕 仲丛利 陈亚明 张家懿 |
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| 作者单位： | 哈尔滨建筑大学；黑龙江省水利高等专科学校；中科院兰州冰川冻土所冻土工程国家重点试验室； |
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| 基金项目： | 国家自然科学基金,冻土工程国家重点实验室基金 |
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| 摘 要： | 在分析黑龙江省德都县震害基础上，提出季节冻土动力特性研究的必要性。根据大量低温动三轴应力－应变实验资料给出冻土的动弹模量、动泊桑比、动剪切模量、动阻尼比的数值及它们与冻土温度、振动频率的关系。
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| 关 键 词： | 冻土 动剪切模量 阻尼比 冻土温度 振动频率 |
Research on dynamic characters of frozen soil and determination of its parameters |
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| Xu Xueyan,Zhong Congli,Chen Yaming,Zhang Jiayi.Research on dynamic characters of frozen soil and determination of its parameters[J].Chinese Journal of Geotechnical Engineering,1998,20(5):80-84. |
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| Authors: | Xu Xueyan Zhong Congli Chen Yaming Zhang Jiayi |
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| Affiliation: | Harbin University of Engineering and Architecture Harbin 150006 Heilongjiang Hydraulic Engineering College Harbin 150086 The State Key Laboratory of |
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| Abstract: | Based on the analysis of earthquake damages in Dedu County of Heilongjiang Province and the experimental data from dynamic triaxial stress strain test of frozen soil in low temperature, this paper presents the necessity of research of the dynamic characters of seasonal frozen soil, and gives out the calculated result of the values of elastic modulus, Poisson′s ratio, shear modulus and damping ratio of frozen soil under dynamic conditions,and also their relations with temperature of frozen soil and frequency of cyclic loading. |
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| Keywords: | frozen soil dynamic shear modulus damping ratio temperature of frozen soil frequency of cyclic loading |
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