| 逆作开挖深基坑控制卸载变形的方法与实践 |
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| 引用本文： | 贾坚. 逆作开挖深基坑控制卸载变形的方法与实践[J]. 岩土工程学报, 2007, 29(2): 304-308 |
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| 作者姓名： | 贾坚 |
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| 作者单位： | 同济大学建筑设计研究院；上海200092； |
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| 摘 要： | 结合工程实例来探讨逆作开挖条件下控制深基坑卸载变形的方法、原理和技术。在工程实践的基础上提出结合坑内土体加固采用时空效应法的开挖技术是逆作开挖条件下控制深基坑卸载变形,保护周边环境和设施的有效方法。
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| 关 键 词： | 深基坑 逆作开挖 变形控制 |
| 文章编号： | 1000-4548（2007）02-304-05 |
| 修稿时间： | 2006-08-01 |
Deflection controlling measures and practices of deep foundation pits by use of top-down excavation method |
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| JIA Jian. Deflection controlling measures and practices of deep foundation pits by use of top-down excavation method[J]. Chinese Journal of Geotechnical Engineering, 2007, 29(2): 304-308 |
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| Authors: | JIA Jian |
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| Affiliation: | Architectural Design Research Institute of Tongji University Shanghai 200092 China |
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| Abstract: | By analyzing the case of deep excavation of Shanghai Urban Planning Exibition Center,some deflection controlling measures and principles were illustrated by use of the top-down excavation method.Base on the practices,it was concluded that the “Time-space effects” excavation method combining with the ground reinforcement could be employed to control the deflection in deep foundation pits under the top-down construction condition,and consequently to protect the neighboring facilities. |
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| Keywords: | deep foundation pit top-down excavation deflection control |
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