顶管机水下施工技术及风险处理  

Underwater Operation of Pipejacking Machine and Risk Handling

作　　者：王建国[1] 

机构地区：[1]上海隧道工程股份有限公司,上海200082

出　　处：《中国市政工程》2008年第2期65-67,共3页China Municipal Engineering

摘　　要：叙述了土压平衡顶管机在复杂地层水下施工所采取的技术措施,对施工中1号顶管机出现突沉事故作了分析。介绍了排除风险的具体方案及过程,从而进一步认识到顶管机的选型、土体改良、掌握工程地质资料及工程范围内土层扰动历史的重要性。Described hereby are the technical measures taken in underwater construction in complicated strata with the earth pressure balanced pipejacking machine, with analysis of the accident of No.1 Pipejacking Machine's sudden sinking, and the specific method and process for eliminating the risk. Thus, the importance is further realized, such as the type selection of the machine, soil modification and availability of geological information and history of soil disturbance within the range of works.

关 键 词：电厂引水管 土压平衡顶管机 水下施工 风险处理 

分 类 号：U455.47[建筑科学—桥梁与隧道工程]