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[1]李金奎,王飞飞,白会人.浅埋暗挖地铁隧道施工地表沉降规律分析[J].武汉工程大学学报,2012,(10):58-61.[doi:103969/jissn16742869201210014]
　LI Jin kui,WANG Fei fei,BAI Hui ren.Analysis of surface subsidence rule of shallow subway tunnel construction[J].Journal of Wuhan Institute of Technology,2012,(10):58-61.[doi:103969/jissn16742869201210014]
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浅埋暗挖地铁隧道施工地表沉降规律分析(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2012年10期
页码:
58-61
栏目:
资源与土木工程
出版日期:
2012-11-06

文章信息/Info

Title:
Analysis of surface subsidence rule of shallow subway tunnel construction
文章编号:
16742869(2012)10005804
作者:
李金奎; 王飞飞; 白会人
大连大学建筑工程学院，辽宁 大连 116622
Author(s):
LI Jinkui;  WANG Feifei;  BAI Huiren
School of Construction Engineering, Dalian University, Dalian 116622，China
关键词:
地铁隧道; 人工素填土; 地表沉降; 文克尔沉降模型
Keywords:
subway tunnel ;  artificial grain filling;  surface subsidence;  winkle subsidence model
分类号:
U45
DOI:
103969/jissn16742869201210014
文献标志码:
A
摘要:
为了研究大连地铁202标段促进路站-春光街站暗挖区间人工素填土地段单双线隧道施工地表沉降规律，通过现场实测和数据分析整理的方法，在地铁隧道开挖期间建立了地表沉降监控量测测站，运用精密水准仪进行3个月的监测，监测结果表明浅埋暗挖隧道在开挖期间地表沉降最大位置处于隧道中心线的正上方，沉降量约为25.66~31.82 mm.提出了距跨比β的概念，距跨比β的有效工程取值范围-4<β<4，地表沉降与距跨比β密切相关，其中-2<β<2地表沉降剧烈阶段，约占整体变形的67.5~77.6%，沉降速率约达0.84~0.93 mm/d.建议应加强监测频率，增加现场巡视.现场测试结果与文克尔地表沉降计算模型相吻合，监测成果对大连地铁及类似的浅埋暗挖隧道建设有借鉴作用.
Abstract:
To study the Dalian Metro section 202’s (Cujin Road stationChunguang Street station, which is shallowly buried and covered with plain fill ) ground surface settlement, the monitoring measuring station was built during the construction. After 3 months’ measuring by precision level, the data shows that the maximum point is in the center line of the tunnel of the upper part, the settlement is about 25.66-31.82 mm. we put forward the concept of the distance span ratio β, β effective value range was - 4 <β< 4, surface subsidence was closely related with β, severe surface subsidence stage was -2 <β< 2, which accounted for 67.5-77.6% of the whole deformation ,and settlement rate was about 0.84-0.93 mm/d. So the monitoring frequency and site tour should be strengthened. The result of field test is consistent with that of the ground surface settlement calculation model .The monitoring results have reference for Dalian subway and the similar shallow depth excavation tunnel construction.

参考文献/References:

［1］齐振明.李鹏飞.地铁区间浅埋暗挖隧道地表沉降的控制标准\[J\]. 北京交通大学学报,2010,34(3):117121.
［2］王立宏，张电吉.浅埋暗挖地铁隧道衬砌的力学行为分析\[J\]. 武汉工程大学学报,2010,32(3):154156.
［3］肖文涛，肖方芳，房泽法，等.地铁隧道掘进爆破地表震动效应研究\[J\].武汉理工大学学报，2011,33(10):113117.
［4］何小龙，何成乔，乔春江，等.城市复杂地质与环境条件下小净距隧道设计\[J\].武汉工程大学学报，2011,33(5):4145.
［5］杨更社.吴成发.李瑞强.西安地铁1号线区间特殊地段施工风险评估\[J\]. 西安科技大学学报,2010,30(2):159164.

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备注/Memo

备注/Memo:
收稿日期：2012918基金项目：国家自然基金项目（50404007）作者简介：李金奎（1972），男，黑龙江安达人，教授，博士.研究方向：地下工程.
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