Abstract：Research purposes: The integrity of the water － bearing formation in the Taigu Tunnel was poor and it was difficult to construct a tunnel in this area with great potential safety hazard． Correctly recognizing this stratum and studying the appropriate parameters for lining support were crucial to safe construction of the tunnel in water － bearing formation．
Research conclusions: ( 1) The origin of the water － bearing formation in the Taigu Tunnel was complex． The water －bearing formation had a certain compaction property，but it was poor in cementation as the lower Pleistocene stratum，with big influence of rich underground on the construction of the tunnel． ( 2) As the geological condition of the tunnel was complicated with much underground water，the construction plan would be adjusted according to the situation of the surrounding rocks and the volume of water bursting so as to ensure the construction safety． ( 3) The more attention should be paid to the construction in the similar formations in future for the construction safety．
高延平. 太峪隧道含水地层施工研究[J]. 铁道工程学报, 2011, 28(8): 58-61.
GAO Yan － ping. Construction of Taigu Tunnel in Water － bearing Formation. 铁道工程学报, 2011, 28(8): 58-61.
Shanxi Bureau of Geology and Mineral Resources． Regional Geology of Shaanxi Province People's Republic of China［Z］． Beijing: Geological Publishing House， 1989．
［2］ TB 10012—2007，铁路工程地质勘察规范［S］．
TB 10012—2007，Code for Geology Investigation of Railway Engineering［S］．
［3］ TB 10121—2007，铁路隧道监控量测技术规程［S］．
TB 10121—2007， Technical Code for Monitoring Measurement of Railway Tunnel［S］．
［4］ TB 10003—2005，铁路隧道设计规范［S］．
TB 10003—2005，Code for Design on Tunnel of Railway ［S］．
［5］ TB 10077—2001，铁路工程岩土分类标准［S］．
TB 10077—2001，Code for Rock and Soil Classification of Railway Engineering［S］．
2011, Vol. 28 
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