| SMW工法围护深基坑盖挖逆作法的工程应用 |
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| 引用本文： | 习哲,孙燕.SMW工法围护深基坑盖挖逆作法的工程应用[J].都市快轨交通,2006,19(3):57--60. |
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| 作者姓名： | 习哲 孙燕 |
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| 作者单位： | 南京市地下铁道工程建设指挥部,南京,210008 |
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| 摘 要： | 介绍SMW桩围护深基坑盖挖逆作法,在南京地铁控制中心的工程应用,即以SMW围护结构作为开挖阶段防水、挡土体系,以大楼地下室结构的钢立柱和增设的部分临时钢格柱作为垂直荷载传递体系,以地下室各层楼板、梁作为水平荷载支撑体系。
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| 关 键 词： | SMW工法 深基坑 盖挖逆作法 |
| 收稿时间： | 07 11 2005 12:00AM |
| 修稿时间： | 2005年7月11日 |
Application of SMW for the Enclosure of a Deep Pit in the Covered Top-down Excavation |
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| Xi Zhe,Sun Yan.Application of SMW for the Enclosure of a Deep Pit in the Covered Top-down Excavation[J].Urban Rapid Rail Transit,2006,19(3):57--60. |
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| Authors: | Xi Zhe Sun Yan |
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| Institution: | Headquarters of Nanjing Metro Construction, Nanjing 2101308 |
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| Abstract: | he paper introduces the application of SMW (Soil Mixing Wall) employed for the first time in China for the enclosure of a deep pit adopted in the covered topdown excavation in a project of Nanjing metro. In the project, SMW was utilized as the waterproofing and earthretaining system in the stage of excavation, steel columns in the basement structure of buildings and some temporary steel struts were employed to transmit vertical loading; and floors and beams of the basement were used as the supporting system for horizontal loading. By means of the techniques of suspending horizontal bracings and space bracings, the topdown excavation of the deepest pit enclosed by SMW was successfully fulfilled in China. |
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| Keywords: | W method deep pit covered topdown excavation |
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