摘要
本文根据岩体改造中的弱化原理及地下洞室围岩变形失稳机理,深入研究了围岩弱化法。对围岩弱化原理进行了定性分析,用边界单元方法和相似材料模型实验研究了切缝这种围岩弱化技术对硬岩和软岩洞室稳定维护的效果。
The method of weakening surrounding rock is further studied in this paper, based on the weakening principle of reforming rock mass, and the deformation and unstable mechanism of rock around underground openings. The principle of weakening surrounding rock is qualitatively analysed. The slot cut in surrounding rock, a typical weakening technique, is computed by BEM in the hard rock, and is tested by geomechanic model in the soft rock.
出处
《地质科学》
CAS
CSCD
北大核心
1989年第4期385-392,共8页
Chinese Journal of Geology(Scientia Geologica Sinica)
关键词
地下洞室
围岩
弱化
稳定性
支护
underground opening, stability, support, numerical analysis, model test
