摘要
花岗岩蚀变带岩性混杂,结构松散,空间分布无规律性,与围岩间有差异性风化,且地下水相对集中,易造成隧道施工产生塌方冒顶、大变形等病害。本文结合洛湛铁路清水隧道施工中病害的处理措施,对花岗岩蚀变带的工程性质进行了总结和反思。
Granites rock alteration zone that mixtite, loose structure, spatial distribution without regularity, and there are differential weathering between the surrounding rock and ground-water is relatively concentrated, these characteristics will lead to collapse, large deformation and other diseases in caving tunnel. Combined qingshui tunnel disease treatment measures in caving of Luoyang-Zhanjiang railway, to summarize and reflect engi-neering properties of Granites alteration zone in this thesis.
出处
《四川建材》
2014年第1期164-166,171,共4页
Sichuan Building Materials
关键词
花岗岩
蚀变带
开裂
变形
坍方
涌水
granites
alteration zone
cracking
deform-ation
collapsing
gushing water
