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Experimental Study and Numerical Simulation of the Reinforcementof Embedded Freezing Pipes on Artificial Frozen Components
Author(s): 
Pages: 155-159
Year: Issue:  2
Journal: JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY

Keyword:  人工冻结加筋单元力学响应加筋作用;
Abstract: 为研究冻结管对人工冻结构件的加筋作用,通过淤泥质粘土人工冻结梁构件三点弯试验,获得了各级载荷下构件的位移值,并运用MARC软件中的加筋单元进行了对应的有限元计算. 根据对冻土梁加筋与否,构件特定力学响应的比较分析,揭示了考虑土层冻结构件中冻结管的加筋作用对于增加冻结构件强度,减小变形量及对提高人工冻结支护工程经济效益的重要作用. 同时,通过物理试验和数值模拟试验的对比,验证了应用MARC软件进行类似计算的可靠性.
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