Abstract：Research purposes: The open-cut method is often used for construction of metro station and with it the metro station construction affects the surrounding environment because the surrounding environment iS complex and there are many buildings and structures．For construction of Xunlimen Station of Line 2 of Wuhan metro，the distance between the excavation edge of 22 m deep foundation pit and the bridge pier light railway was only 1．25 m．The bridge piers should meet the operation requirement of light rail traffic，and they were sensitive to the differential settlements，So it waft necessary to monitor and analyze the construction in this key and complex section for offering the solution．
Research conclusions: During construction of Xunlimen Station，the monitored data on settlement showed the construction of Xunlimen Station may much affect the operation of the light railway．Through analysis of the relative position of the deep foundation pit to the bridge pier of light rail and the distribution of the soil layer，the construction scheme was optimized and the additional monitoring points are added．With these measures，the settlements of the bridge pier trended to stable and the absolute settlement values and the differential settlement values were effectively controlled in the next construction．
丁烈云, 李炜明，吴贤国，周 诚，骆汉宾. 地铁循礼门车站深基坑施工监测分析[J]. 铁道工程学报, 2010, 27(9): 74-77.
DING Lie—yun，LI Wei—ming，WU Xian—guo，ZHOU Cheng，LUO Han—bin. Analysis of Monitoring Deep Foundation Pit for Xunlimen Station of Wuhan Metro. 铁道工程学报, 2010, 27(9): 74-77.
Shen Liangshua,i He Shaohui. Subsidence Controlling and Construction Scheme Optimization of Cutting Across and Underpassing an Existing Metro Tunnel Under Complex Environmental Conditions[J]. Chinese Journal of Rock Mechanics and Engineering, 2008(S1): 2893 -2990.
Yu Liyuan, Li Shucai, Xu Bangshu. Finite Difference Analysis for Construction Optimization of Little Distance Subsea Tunnels in Qingdao City [J]. Chinese Journal of Rock Mechanics and Engineering, 2009(S2): 3564 -3570.
Xu Zhonghua, W ang Weidong, Wang Jianhua. Responses of Heritage Buildings to an Adjacent Deep Excavation Using Top-down Method [J]. China Civil Engineering Journa,l 2009(10): 88 -96.
Li Jun, Zhang Xiaoping. Discussion on Monitoring Results of Displacements, Settlements and Inner Forces of a Foundation Pit and Early-warning Value [J ]. Rock and Soil Mechanics, 2008(4): 1045 -1052.
Zheng Gang,Diao Yu,Wu Hongwei, etc. Finite Element Analysis on Mechanism of Effect of Extra - deep Excavation on VerticalLoad Transfer and Settlement of a Single Pile [ J ]. Chinese Journal of Geotechnical Engineering, 2009(6): 837 -845.
Zheng Gang, Yan Zhixiong, Lei Huayang, etc. Field Observation and Finite Element Numerical Simulation Analysis of Effect on Adjacent Piles Due to Excavation [J].Chinese Journal of Geotechnical Engineering, 2007 (5): 638 -643.
2010, Vol. 27 
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