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长输管道长度少则几百公里,多则上千公里,沿线经过的地貌种类多、地形复杂,可能穿越高山峡谷、江河湖海、湿地沼泽、戈壁沙漠等,会遇到各种的岩土种类及不良地质现象,但国家现有的规范只是对一些基本的、原则性的东西进行了具体规定,对一些较敏感或不确定的部分进行了模糊处理,因而造成了不同勘察单位、不同勘察人员在对规范的解读上存在较大的差异,尤其在勘察深度及广度上存在的差异最大,直接影响到勘察成果的精度、设计及投资费用。本文通过榆林-济南天然气管道工程的岩土工程勘察实际工作经验,总结出了在长输管道勘察中多个单位相互协调工作中如何统一认识、统一标准、统一作法、控制勘察成果的质量等的有效经验。
Long distance pipeline length ranging from a few hundred kilometers, as many as thousands of kilometers, along the line after the many types of topography, complex terrain, may pass through alpine gorges, rivers and lakes, wetlands swamps, Gobi Desert, will encounter all kinds of rock Species and unfavorable geological phenomenon. However, the existing national norm merely stipulates some basic and principled things and obscures some sensitive or indefinite parts, resulting in different survey units and different reconnaissance units There are big discrepancies in the interpretation of norms among personnel, especially in the depth and breadth of investigation, which have a direct impact on the accuracy, design and investment costs of the survey results. Based on the practical experience of geotechnical investigation in Yulin-Jinan Natural Gas Pipeline Project, this paper summarizes how to unify understanding, unify standards, unify practices and control the quality of survey results in the coordination of multiple units in long-distance pipeline survey Effective experience.