1 天津市建筑设计院， 天津 300074； 2 天津城建大学土木工程学院， 天津 300384； 

3 中建六局地铁公司， 天津 300450）

［摘要］城市轨道交通及其他地下工程的建设规模的逐渐扩大，地连墙由于其优越性已逐渐成为主要的围护结构。受到高压电缆等综合管线的影响，局部地连墙无法采用垂直成槽技术，需根据场地情况选择特殊施工工艺。以天津在建最大的地铁换乘站为背景，研究了在220kV电缆影响下的地连墙施工工艺，在保证工程质量的基础上完成工期节点目标。对施工工艺及时进行总结，提出进一步改进措施，可为类似工程提供借鉴。

［关键词］地铁换乘站； 顺逆结合； 超宽； 超深； 盖挖关键技术

中图分类号： TU476+.3 文献标识码： A文章编号：  1002-848X(2016)S1-0746-05

Integrated control technology of the wall construction in the condition of

 220kV cable in situ protectionLiu Qi1, Zhong Xiaomei2, Wang Wencan3

（1 Tianjin Architecture Design Institute, Tianjin 300074, China; 

2 School of Civil Engineering, Tianjin Chengjian University, Tianjin 300384, China;

 3 CSCES6 MTR Corporation, Tianjin 300450, China）

Abstract: The construction of urban rail traffic and other underground engineering scale are expanding gradually, even becomes the primary wall retaining structure. Under the influence of high voltage cable and so on comprehensive pipeline, locally in even the wall is vertical slot technology, special construction technology to choose according to site situation. In tianjin's largest metro transfer station under construction background, the research on 220 kv cable under the influence of the construction process, the wall to ensure the engineering quality target finish time limit for a project on the basis of nodes. A summary of the construction process in a timely manner, improvement measures are put forward, and can provide reference for similar projects.

Keywords: metro transfer station; combination of open cut and cover-dig method; super wide; super deep; cut and cover; key technology