摘要
通过对京珠国道主干线粤境高速公路上的大宝山隧道左线进口段采用注浆、喷砼等综合处理，塌方引起的地表开裂、塌陷得到了遏制，经过近一年的观察，效果良好。
By the adoption of the comprehensive treatment of injection grouting and concrete spraying etc. at the entrance section of Dabaoshan left tunnel line of freeway in Guangdong province of the main line of Beijing-Zhuhai national highway , the land fall induced surface cracking and collapsing have been prevented . Through observations of about one year duration , it is seen that the effect is good.
出处
《勘察科学技术》
1999年第5期13-16,31,共5页
Site Investigation Science and Technology
