长江南京以下12.5 m深水航道二期工程深水潜堤软基变形动态监测技术

针对水下软基变形动态监测应用少、实施难度大的问题,进行深水潜堤软基变形动态监测技术研究,采用分层沉降变形和深层水平位移监测方法,经水下仪器选型、搭建水上观测平台、优化仪器水上安装和保护方案以及监测实施,研制出深水条件下软基变形动态监测技术。该技术实现了从传统的陆上监测到水下监测的转变,不仅安全可靠、数据准确,而且适用于大水深监测条件,对类似工程软基变形监测具有重要的参考和指导意义。

Dynamic monitoring technology of soft foundation deformation of deepwater submerged breakwater for 2nd-phase project of 12.5 m deepwater channel in the Yangtze River below Nanjing

It lacks the dynamic monitoring for the underwater soft foundation deformation,and it is difficult to be implemented.In order to solve this problem,we carry out the reach on the dynamic monitoring technology for deepwater breakwater soft foundation deformation.We apply the way of layered settlement deformation and parallel shift of deep water level,select the shape by underwater equipment and build up observation platform above water,and optimize the installation,protection,adoption and monitoring for the equipment above water.Thus this technology can develop the dynamic monitoring technology under deep water.It has changed the traditional way of monitoring from on land to be under water.It is not only safe,reliable and accurate in data,but also suitable for large scale deep water monitoring conditions.It has significant meaning to the reference and guidance for similar soft foundation deformation monitoring projects.