摘要
人工冻结数值模拟分析以温度场理论为基础,模拟分析冻结壁形成过程中等温线的分布情况以及冻结壁达到设计要求的时间因素。在一定假设条件下通过选取具体的工程地质参数,重点分析四根冻结管共同作用下,在直径80 cm的56#桩周围形成冻结壁开始发生交圈所需时间。冻结壁达到设计要求0.55 m。得出各冻结管在土体中形成的冻结壁发生交圈时等温线的分布图和所需的时间,冻结壁达到设计要求时等温线分布图。
The analyses of artificial freezing numerical simulation, based on the frozen temperature field theo-ry, the distribution of isotherm in freezing wall formation process and the freezing wall formed to meet the de-sign requirements of the time factor, are simulated and analyzed. Under certain assumptions by selecting spe-cific engineering geological parameters, focusing on under the combined action of four freezing pipes, frozen wall began to lap the time required to pay 56# pile in diameter around 80 cm formation. Frozen wall to meet the design requirements of 0. 55 m, the time required. The isothermal lines and the time when the frozen body being cross-circle, and the isothermal lines and the time when meeting the design requirements will be got.
出处
《河南城建学院学报》
CAS
2014年第5期17-21,共5页
Journal of Henan University of Urban Construction
关键词
桩井
人工冻结
温度场
冻结壁
pile well
artificial freezing
temperature field
freezing wall
