| 软土地区盾构下穿既有铁路安全分析 |
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| 引用本文： | 王博. 软土地区盾构下穿既有铁路安全分析[J]. 铁道建筑技术, 2012, 0(5): 101-103,118 |
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| 作者姓名： | 王博 |
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| 作者单位： | 中铁第一勘察设计院集团有限公司,西安,710043 |
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| 摘 要： | 以天津地铁2号线区间盾构隧道下穿国铁为工程背景,通过三维模拟计算,并结合实际工程中盾构掘进采取的一系列控制措施,在没有采用地层加固和扣轨辅助方法的情况下,利用盾构工法安全、顺利地完成了下穿国铁线路,且沉降满足铁路安全行车要求。
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| 关 键 词： | 软土地区 盾构 控制措施 三维计算 下穿既有铁路 |
Safety Analysis of Shielding under Passing Existing Railway in Soft Soil |
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| Wang Bo. Safety Analysis of Shielding under Passing Existing Railway in Soft Soil[J]. Railway Construction Technology, 2012, 0(5): 101-103,118 |
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| Authors: | Wang Bo |
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| Affiliation: | Wang Bo (China Railway First Survey and Design Institute Group Co. Ltd. , Xi＇an 710043, China) |
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| Abstract: | Taking Tianjin Metro Line 2 shield tunnel beneath the railway as the engineering background, through the simulation calculation, in combination with a series of control measures adopted in practical engineering shielding, without the use of stratum reinforcement and auxiliary method of ring rail, the paper introduces the successful shielding under passing the railway in safe way, while settlement meeting the railway safety requirements. |
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| Keywords: | soft soil area shielding control measures three-dimensional calculation under-passing existing railway |
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