【摘要】 随着水资源的日益紧缺,城乡区域供水管网项目步入建设的快车道,但是在施工过程中,经常遇到需要穿越路公路、铁路和建筑物的情况。本文以临沂市供水管线穿越省级公路为例,详细介绍了穿越路基为砂夹石的公路顶管施工方法,为类似工程提供借鉴。更多还原

【Abstract】 Urban and rural regional water supply pipe network project is constructed rapidly with the growing shortage of water resources. However,the pipe network should penetrate through highway,railway and buildings frequently during construction. In the paper,water supply pipeline crossing provincial highway in Linyi is adopted as an example for introducing the construction methods of jacking pipe crossing highways with sand gravel roadbed in detail,thereby providing reference for similar projects.更多还原