王忠文1，张馨2

（1 沈阳铁路局沈阳工程建设指挥部， 沈阳 110002；

2 中铁十八局集团有限公司田桓铁路Ⅱ标指挥部， 桓仁 117200 ）

［摘要］针对特大桥梁深基坑紧邻高压电线、铁路既有线、村民居住区和厂房等特殊条件，提出岩石土压爆破新技术，并与水压爆破相结合进行深基坑施工，加快了施工进度，杜绝飞石，减少爆破振动，减少扰民，效果良好。

［关键词］既有铁路线； 深基坑施工； 水压爆破； 土压爆破

中图分类号： U443.15+8 文献标识码： A文章编号： 1002-848X(2015)S2-0161-04

作者简介：王忠文,学士，高级工程师, Email：122553229@163.com。

New exploding technology on water and earth co-compressing in deep foundation

 hole of extra large bridge under the condition of complex enviromment

Wang Zhongwen1, Zhang Xin2

（1 Shengyang Engineering Construction Headquarters of Shengyang Railway Bureau, Shengyang 110002, China；

2 China Railway 18 Bureau Group Co.,Ltd.,Tianhuan Railway Bidder Ⅱ Headquarters， Huanren 117200, China）

Abstract： Referring to the special conditions as deep foundation hole of large bridge adjacent to high-voltage wire, existing railway line, rural residential area and workshops so on, new exploding technology with rock & earth compressing is raised, and integrated with water compressing exploding to proceed deep foundation hole construction, accelerating the working progress, especially preventing stones from flying freely, lessening exploding shock, and keeping safety, reducing the extent to disturb residents, good results are achieved.

Keywords： existing railway line; deep foundation hole construction; water-compressing explosion; earth-compressing explosion