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水下工程前期调查广泛采用各种地球物理手段来解决工程问题,我们利用海洋地磁测量装备对工程中遇到的一些特殊问题进行了尝试,较好地解决了问题,保证了工程顺利施工。 福州电厂系国家“七五”期间重点建设项目,其引水管道系统设计置于闽江江底,需进行水下炸礁作业。为保证水下施工的安全和作业方案经济合理,上海打捞局委托国家海洋局第二海洋研究所进行前期环境调查,地磁调查着重解决水下障碍物、爆炸物和基岩性质、断裂构造等问题。
In the early stage of underwater engineering survey, various geophysical methods were widely used to solve engineering problems. We used the marine geomagnetic survey equipment to try out some special problems encountered in the project, solved the problems well, and ensured the smooth construction of the project. Fuzhou Power Plant is a national key construction project during the “Seventh Five-Year Plan” period. Its diversion pipeline system is designed to be located at the bottom of the Minjiang River and underwater reef operations are required. In order to ensure the safety of underwater construction and the reasonable operation plan, Shanghai Salvage Bureau commissioned the Second Institute of Oceanography of the State Oceanic Administration to carry out the pre-environmental survey. The geomagnetic survey focused on solving the problems of underwater obstacles, explosives and bedrock properties and fault structures .