| 季节性冻土深基坑支护技术研究 |
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| 引用本文： | 赵延凯,彭然,周加伟,刘鹏,李玉蛟.季节性冻土深基坑支护技术研究[J].建筑结构,2011(7). |
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| 作者姓名： | 赵延凯 彭然 周加伟 刘鹏 李玉蛟 |
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| 作者单位： | 青岛建设集团零零一工程有限公司;华南理工大学建筑学院亚热带建筑科学国家重点实验室; |
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| 摘 要： | 通过对中国地质大学(北京)综合游泳馆工程拟建场地土层的土质、深度及基坑深度的分析与比较,确定出基坑深度范围内土层的土质。介绍了季节性冻土深基坑支护经常出现的问题,并分析了这些问题出现的原因。对常用土钉支护方法在季节性冻土深基坑支护中运用的局限性做了总结,最后提出一种改进的土钉支护方法。该法针对冻土发生冻融循环时冻胀与融沉的特点采取了相应的控制措施,从而保证了季节性冻土深基坑的稳定性。该法操作简单可行,实践证明效果明显。
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| 关 键 词： | 季节性冻土 深基坑支护 边坡稳定 冻融循环 单元加固 悬挑部位支撑 |
Investigation on technology of retaining and protection for seasonal frozen soil deep foundation pit |
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| Zhao Yankai,Peng Ran,Zhou Jiawei,Liu Peng,Li Yujiao.Investigation on technology of retaining and protection for seasonal frozen soil deep foundation pit[J].Building Structure,2011(7). |
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| Authors: | Zhao Yankai Peng Ran Zhou Jiawei Liu Peng Li Yujiao |
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| Affiliation: | Zhao Yankai1,Peng Ran2,Zhou Jiawei1,Liu Peng1,Li Yujiao1(1 001 Engineering Co.,Ltd.,Qingdao Construction Group,Qingdao 266001,China,2 The State Key Laboratory of Subtropical Building Science,South China University of Technology,Guangzhou 510640,China) |
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| Abstract: | Through comparison and analysis of the quality and depth of soil and the depth of foundation pit for the building site in planning of the multi-functional swimming gymnasium in China University of Geosciences,the soil condition in the scope of the foundation pit depth was confirmed.The common problems of the retaining and protection for seasonal frozen soil deep foundation pit were described,and reasons for these problems were analyzed.The limitation of soil nailing retaining system in the retaining and pro... |
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| Keywords: | seasonal frozen soil retaining and protection for deep foundation pit slope stability freeze-thaw cycle unit reinforcement supporting for overhanging site |
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