文档介绍：第 30 卷增刊 1 隧道建设 Vol. 30 Sup. 1
2010 年 8 月 Tunnel Construction Aug. 2010
盾构过小半径曲线段施工质量控制
黄涛
广州市盾建地下工程有限公司,广州 510030
,
摘要本文针对广州地铁六号线盾构四标海—东项目部盾构在小半径曲线段施工中遇到的质量问题通过认真分析研究管片渗漏
, ,
水、错台、崩缺等质量缺陷成因总结得出一些关于提高盾构隧道施工质量的纠正及预防措施以便日后类似工程建设提供借鉴与
参考。
关键词盾构小半径曲线质量缺陷渗漏水错台崩缺质量控制
中图分类号 U 455. 43 文献标志码 B 文章编号 1672 - 741X 2010 增刊 1 - 0383 - 04
Construction Quality Control of Shield Tunneling in Sharp Curve Section
HUANG Tao
,
Guangzhou Municipal Dunjian Underground Construction Engineering Co. Ltd. Guangzhou 510030
,
Abstract Due to particularity plexity of shield tunneling in sharp curve section the construction quality is
hard to control. Regarding the quality problems in shield tunneling in sharp curve section in bid 4 of No. 6 line on
, ,
Guangzhou Metro the causes for the segment water seepage segment dislocation and segment breaking are
,
analyzed. According to the analysis treatment and prevention measures to improve the construction quality of
,
shield tunnel are summarized in this paper which may provide reference for similar projects in the future.
Key words shield sharp curve quality defect water seepage segment dislocation broken segment quality control
粉砂质泥岩,局部穿越泥质粉砂岩强风化带
引言< 7 > 。
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地下水位埋深 0. 30 ~ 3. 50 m 主要为第四系的孔隙水
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近年来随着城市经济建设的发展需要国家大力及基岩裂隙水孔隙水主要赋存于冲洪积的粉细砂<
, ,
支持基础设施建设国内各大主要城市轨道交通工程 3 - 1 > 、中粗砂层< 3 - 2