包含定位长大裂隙的节理岩体连通率的计算及应用

PERSISTENCE COMPUTATION AND APPLICATION OF JOINTED ROCK MASS INCLUDING LARGE IDENTIFIED DISCONTINUITIES

岩体中节理面的分布情况极为复杂，除了那些大量呈随机分布的结构面外，尚有一些数量相对较少，但规模较大，利用近代勘探手段可以准确定位的长大裂隙。这些长大裂隙，对岩体的强度和稳定性起着举足轻重的作用。针对工程的实际情况，在应用网络模拟进行连通率分析计算时，将这些长大裂隙与随机结构面网络耦合在一起，使连通率计算成果更加合理。

Joint distribuions in rock masses are very complex. Besides the stochastic discontinuities that exist in large amount, there are a little number of large-scale discontinuities that can be ascurately measured by adopting modern exploration method. These large discontinuities are of important impact on the strength and stability of rock mass. An approach is presented to perform persistence analysis of an engineering by coupling these large discontinuities with random joint network. Reasonable analysis results can be achieved based on this method.