摘要
崇州鞍子河电站隧洞 (4+15 8～ 4 +2 98段 )由于前期施工方法不当导致砼出现裂缝。通过对裂缝产生原因的分析 ,在后期严格按照“新奥法”原理进行施工 ,采用了超前小管棚注浆、格栅喷锚支护及围岩监测等一系列施工措施 。
Fissures occur in diversion tunnel concrete between K 4+158 and K 4+298.A Series of construction measures such as mall pipe lodgpole grouting,grille shotcrete and bolt support and wall rock monitoring on the bases of genetic mechanism are taken,getting good results.
出处
《四川地质学报》
2002年第z1期26-28,共3页
Acta Geologica Sichuan
关键词
混凝土裂缝
管棚注浆
新奥法
格栅喷锚支护
fissure in concrete
pipe lodgpole grouting
grille shotcrete and bolt support
