| 大型基坑群基坑工程施工方案优化设计 |
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| 引用本文： | 朱桂新. 大型基坑群基坑工程施工方案优化设计[J]. 水利与建筑工程学报, 2012, 10(4): 151-155 |
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| 作者姓名： | 朱桂新 |
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| 作者单位： | 西宁市城市交通投资建设有限公司,青海西宁,810001 |
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| 摘 要： | 以西宁火车站综合改造工程总体项目大型基坑群为例,综合考虑安全、工期、造价等因素,对该基坑支护设计和施工组织方案进行了多次比选和合理优化;将原方案一桩到底和框架格构梁+预应力锚索方案优化为上部土钉墙+下部排桩锚杆联合支护体系,有效地控制了基坑开挖过程中产生的变形,简化了施工工序,有效节约了大量建设资金。
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| 关 键 词： | 大型基坑群 施工组织 基坑支护 施工顺序 |
Optimization Design for Construction Scheme of Large Foundation Pit Group Engineering |
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| ZHU Gui-xin. Optimization Design for Construction Scheme of Large Foundation Pit Group Engineering[J]. Journal of Water Resources Architectural Engineering, 2012, 10(4): 151-155 |
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| Authors: | ZHU Gui-xin |
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| Affiliation: | ZHU Gui-xin(Urban Transportation Investment and Construction Co.,Ltd.of Xining City,Xining,Qinghai 810001,China) |
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| Abstract: | Taking the large foundation pit group in Xining Railway Station’s comprehensive renovation project for example,the supporting design and construction organization scheme of the foundition pit are selected for many times and optimized rationally by comprehensively considering the factors as safety,time,cost and so on.The original scheme,with the framework on a pile of prestressed anchor lattice beam,is optimized to a new scheme,which is a combination supporting system with the upper soil-nail wall and bottom row-pile.Through the new scheme,the excavation distortion of the foundition pit is controlled effectively,the construction process is simplified,and a lot of construction funds are saved effectively. |
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| Keywords: | large pit group construction organization foundation pit supporling construction sequence |
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