Abstract：Research purposes: The overall survey formetro is a new managementmode of survey. Taking the overall geological survey forMetro Line 2 in Xi 'an, the discussion is made on the task, main working contents, working procedure and flow, role and technical supportof the overall survey for the purposesofensuring the smooth conduction of engineering survey and providing the supportto the design and construction and the reference to themetro construction in other cities.
Research conclusions:From the discussion on he overallgeological survey forMetro Line 2 inXia' n, it is concluded for the overall survey the key points and difficult points in the survey should be analyzed and judged, and the survey principle, the technical requirement and implement outline for the rock should be worked ou.t For ensuring reasonableness of the survey plan, the survey plan should be optimized, the factors and main links to influence the survey quality should be controlled, the operational procedure should be standardized, the survey report should be checked strictly, the correct geological information and the technical service should supply to the design and construction.
杨智国，张福忠. 西安地铁2号线地质勘察总体工作探讨[J]. 铁道工程学报, 2009, 26(10): 95-98.
YANG Zhi-guo ZHANG Fu-zhong. Discussion on the Overall Geological Survey for Metro Line2in X i'an. 铁道工程学报, 2009, 26(10): 95-98.
2009, Vol. 26 
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