护管涵框架厚覆土顶进施工技术

Construction Techniques for Jacking of Protective Frame of Pipe Culvert in Thick Overburden Soil

介绍在既有线厚覆土地基中进行框架桥顶进的施工技术。该施工技术易操作,作业标准化、程序化,便于施工及管理;施工机械简便,设备可以互相倒用,利用率高;使用机械设备少,工期短,效果好。

The construction techniques for jacking of a frame structure in the thick overburden soil ground under an existing railway are described. The techniques in question are easy to be operational, the operation with the techniques is standardized, sequencing and is convenient for construction and management. The machinery and equipment involved in the techniques are simple, can be repeatedly used and the utilization rate of the machinery and equipment is great. Moreover, the utilization amount of the machinery and equipment is less, the working time is short and effect of the working is satisfactory.