裂隙岩体结构面模拟技术研究

Research on Simulation Technique of Structure Planeof Fracture Rock Mass

考虑了岩体裂隙表面的粗糙性、空间形态的复杂性和网络分布的随机性,根据分析对象的特点,利用概型分布法模拟单裂隙开度分布,分形几何理论模拟空间裂隙面形态及其开度分布,Monte-Carlo方法模拟二维裂隙网络并计算分维数,分形几何理论结合二维裂隙网络和三维裂隙面网络分形参数的关系,来模拟三维裂隙面网络,为裂隙岩体结构面的模拟起到引导作用。

Fully considering roughness of fracture surface of rock mass, complexity of space morphology and randomness of distribution in fracture network, on the basis of characteristics of analysis objective, the probability distribution method was used to simulate the opening distribution of single fracture. The fractal geometry theory was used to simulate the morphology and opening distribution of space fracture surface. Monte - Carlo method was used to simulate 2D fracture network and calculate the fractal number. Based on the relationship of the fractal parameters between 2D fracture network and 3D fracture surface network, the fractal geometric theory was used to the distribution of 3D fracture surface network, so as to guide simulation of structure plane of fracture rock mass.