ISSN 2096-4498 CN 44-1745/U
隧道建设(中英文) ›› 2010, Vol. 30 ›› Issue (2): 179-181.DOI: B
• 施工技术 • 上一篇 下一篇
张秀良1, 石光荣2, 陈杰华1, 潘奇1
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作者简介:
ZHANG Xiu-Liang1, DAN Guang-Rong2, CHEN Jie-Hua1, BO Ai1
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摘要:
以兰渝铁路胡家湾隧道进口段施工为例,介绍泥岩地层修建大断面隧道变形控制的方法。施工中通过围岩量测掌握围岩变形动态,采取分部开挖临时仰拱封闭成环及上半断面扇形支撑的技术措施,控制围岩的变形。实践证明:效果较好,对目前的客专大断面隧道控制大变形施工有一定的帮助。
关键词: 泥岩地层, 大断面隧道, 变形, 控制
Abstract:
The deformation control method for large crosssection tunnels in mudstone ground is presented, with the construction of the entrance section of Hujiawan tunnel on LanzhouChongqing railway as an example. During construction, monitoring is executed to master the status of the rock mass deformation and temporary inverts and fanshaped supports are installed for the tunnel constructed by "top heading and bench" method so as to control the deformation. In the end, satisfactory results are achieved. The paper can be served as reference for the deformation control of the large crosssection tunnels on passengerdedicated railways.
Key words: mudstone ground, large cross section tunnel, deformation, control
中图分类号:
U 451+.2
张秀良, 石光荣, 陈杰华, 潘奇. 泥岩地层大断面隧道围岩变形控制[J]. 隧道建设, 2010, 30(2): 179-181.
ZHANG Xiu-Liang, DAN Guang-Rong, CHEN Jie-Hua, BO Ai. Case Study on Rock Mass Deformation Control of Large Crosssection Tunnels in Mudstone Ground[J]. Tunnel Construction, 2010, 30(2): 179-181.
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