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| 富水砂层土压平衡盾构关键施工技术 | |
| 引用本文： | 徐岩,赵文,黄龙光,高照. 富水砂层土压平衡盾构关键施工技术[J]. 施工技术, 2011, 40(7) |
| 作者姓名： | 徐岩 赵文 黄龙光 高照 |
| 作者单位： | 1. 沈阳建筑大学土木工程学院,辽宁,沈阳,110168 2. 东北大学资源与土木工程学院,辽宁,沈阳,110819 3. 中铁四局集团第五工程有限公司.江西,九江,332000 |
| 摘 要： | 沈阳地铁二号线会展中心站一世纪广场站隧道盾构区间穿越中粗砂、砾砂层,砂性土层内摩擦角大,碴土流动性差,排土困难,地下水量丰富、水压高,因此盾构掘进控制困难,容易造成地表沉降.从土压平衡盾构的适应性、刀盘和螺旋输送机的结构、刀具的配置和加固、碴土改良措施、沉降控制方法等方面介绍土压平衡盾构穿越砂层的施工技术.在施工过程中,通过采取同步注浆、二次注浆、加强施工监测等措施保证了既有线行车安全. |
| 关 键 词： | 土压平衡盾构 富水砂层 碴土改良 沉降控制 |
Key Construction Technology of Earth Pressure Balance Shield in Watery Sandy Stratum |
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| Xu Yan,Zhao Wen,Huang Longguang,Gao Zhao. Key Construction Technology of Earth Pressure Balance Shield in Watery Sandy Stratum[J]. Construction Technology, 2011, 40(7) | |
| Authors: | Xu Yan Zhao Wen Huang Longguang Gao Zhao |
| Affiliation: | Xu Yan1,Zhao Wen2,Huang Longguang3,Gao Zhao3(1.College of Civil Engineering,Shenyang Jianzhu University,Shenyang,Liaoning 110168,China,2.College of Resources and Civil Engineering,Northeastern University,Liaoning 110819,3.The Fifth Construction Ltd.of China Tiesiju Civil Engineering Group,Jiujiang,Jiangxi 332000,China) |
| Abstract: | Shielding section in Shenyang Metro Line 2 passes through medium coarse sand and gravel sand stratum,which has characteristics of large internal friction angle,poor fluidity of residue soil,abundant groundwater and high water pressure.It is hard to control shield tunneling,which may lead to ground settlement.Based on the adaptability of earth pressure balance shield,the structure of cutterhead and screw conveyor,distribution and reinforcement of cutting tool,measures for improvement of residue soil,and meth... |
| Keywords: | earth pressure balance shield watery sandy stratum improvement of residue soil settlement control |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |