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Geological Engineering: Proceedings of the 1st International Conference (ICGE 2007)
Baosong Ma
Baosong Ma
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Different to the fracture network in general rock masses, the rules of the fracture developed in inter-bed layered rock masses has its particular characters. The fracture in inter-bed layered rock masses can be divided into two kinds: bed fracture and tectonic fracture. According to the relation between the bed fracture and tectonic fracture, the tectonic fracture can be subdivided into two kinds: bed bounded fracture and unbounded fracture. And there are some approximately linear relations or non-linear relations between the beds bounded fracture space and the thickness of the strata. In this paper, the development rules of these fractures are generalized firstly, and then the development mechanism of tectonic fractures is introduced. Based on the development rules and the mechanism, a method of simulated the fracture network in inter-bed layered rock masses is put forward. Lastly, through an example the simulation method is applied into the analysis of seepage field in inter-bed layered rock masses. The result shows that the water flow in the inter-bed layered rocks is controlled by the bed fracture and the unbounded joints, and shows that it is necessary to research the simulation of fracture network in the inter-bed layered rock masses.

Rules of Fracture Development in Inter-Bed Layered Rock Masses
Mechanism of Fracture Development
Generation of Fracture Network
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