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首页> 外文会议>International Conference on Sustainable Energy, Environment and Information Engineering >Numerical Simulation of Thermal Coupling Process of Foundation Pit under Freezing and Thawing
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Numerical Simulation of Thermal Coupling Process of Foundation Pit under Freezing and Thawing

机译：冻结和解冻基坑热耦合过程的数值模拟

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摘要

The excavation depth of foundation pits in modern urban high-rise buildings and underground engineering is getting larger and deeper, and the shape of the foundation pits is more complicated due to the surrounding environment. At the same time, the foundation pit construction in seasonal frozen soil areas is still facing the freezing and thawing effect during winter. It affects the stress and deformation deformation of the foundation pit and the supporting structure, and even cause the foundation pit to be unstable. Thermodynamic coupling numerical analysis model considering the influence of freezing and thawing in the background of the second stage foundation pit engineering of Shenyang Dongsen CBD Business Plaza was established in the paper, through the controls of temperature parameter to simulate the temperature change process under different working conditions, revealing the temperature effects on the foundation pit and the internal force and deformation law of the foundation pit. It has certain application value and reference significance for guiding the practice of foundation pit engineering in seasonal frozen soil areas.
机译：现代城市高层建筑和地下工程中的基础坑的挖掘深度越来越越来越深，由于周围环境，基础坑的形状更加复杂。与此同时，冬季季节性冷冻土壤区域的基坑建设仍然面临冬季冻结和解冻效果。它影响基坑和支撑结构的应力和变形变形，甚至导致基坑是不稳定的。考虑到冰阳东仁CBD商务广场第二阶段基坑工程冻结和解冻影响的热力学耦合数值分析模型在纸上建立了温度参数，以模拟不同工作条件下的温度变化过程，揭示基坑对基坑的温度效应和基坑的内部力和变形法。它具有一定的应用价值和参考意义，用于指导季节性冷冻土壤区域的基坑工程实践。

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