| 寒区工程动荷载模型试验系统设计 |
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| 引用本文： | 赵淑萍,马巍,焦贵德,罗飞.寒区工程动荷载模型试验系统设计[J].冰川冻土,2011,33(4):826-832. |
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| 作者姓名： | 赵淑萍 马巍 焦贵德 罗飞 |
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| 作者单位： | 中国科学院寒区旱区环境与工程研究所冻土工程国家重点实验室,甘肃兰州,730000;中国科学院寒区旱区环境与工程研究所冻土工程国家重点实验室,甘肃兰州730000／兰州大学西部灾害与环境力学教育部重点实验室,甘肃兰州730000 |
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| 基金项目： | 中国科学院西部行动计划(二期)项目(KZCX2-XB2-10),中国科学院西部之光重点项目列车荷载作用下青藏铁路冻土路基的动力响应特性研究资助; 国家自然科学基金项目(40971046;40901039) |
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| 摘 要： | 寒区工程动荷载模型试验系统主要由模型试验槽、制冷及控温装置、动力加载装置、传感器和数据采集系统四部分组成．系统具有如下特点：能根据实际工程对长3m、宽2．5rn和高1m的模型试验土体进行低温动荷载试验；采用3组冷冻板给土体降温，降温速度快，能提供的最低温度为-20℃，而且能提供多组均匀、稳定的温度边界，冷冻板的温度波动...
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| 关 键 词： | 寒区工程 动荷载 模型试验系统 应力 变形 温度变化 |
Design of Model Test System for Cold Regions Engineering with Dynamic Loading |
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| ZHAO Shu-ping,MA Wei,JIAO Gui-de,LUO Fei,The Ministry of Education of China,China.Design of Model Test System for Cold Regions Engineering with Dynamic Loading[J].Journal of Glaciology and Geocryology,2011,33(4):826-832. |
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| Authors: | ZHAO Shu-ping MA Wei JIAO Gui-de LUO Fei The Ministry of Education of China China |
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| Institution: | ZHAO Shu-ping1,MA Wei1,JIAO Gui-de1,2,LUO Fei1(1.State Key Laboratory of Frozen Soil Engineering,Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences,Lanzhou Gansu 730000,China,2.Key Laboratory of Mechanics on Disater and Environmentin Western China(Lanzhou University),The Ministry of Education of China,China) |
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| Abstract: | The model test system for cold regions engineering with dynamic loading is introduced in this paper.This system consists of model test tank,refrigeration system and temperature controller,dynamic loading system,sensors and date collectors,of which the features are presented as follows.The maximum length,width and height of model test specimen are 3 m,2.5 m and 1m,respectively.Three groups of freezing plate are used to lower the temperature of model specimen,so the cooling rate is fast.The lowest temperature... |
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| Keywords: | cold regions engineering dynamic loading model test system stress deformation temperature change |
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