Simulate experimentation of electrical field of rock bolt in the project detection

摘要

During the water and electricity projects, city, road and railway constructions, the quality of the rock bolts construction directly influenced the hole and border slope safe and stabilization(Zhang xiang-dong, et al. 2003; Yuan zhao-ying, et al.,1995.), A direct commutated or low-frequency alternating current is introduced into the ground by rock bolts and form electrical field, its distribution determined by the rocks and minerals under the ground that have different electric resistivity. We can observe the distribution of the electrical field from different angle to discern the geological condition . The research of the rock bolts shows very important, however, for the limitation of much practical conditions, it is very hard to detect the distribution of the electric field under the ground. This article designed the simple simulative model of rock bolt that form electromagnetic field, Based on this experimentation, put forward a new method-point electrical source method. Also we can find some limitation of the electromagnetic method(Chen bo, et al.,2004. ) that deal with the matters of the rock bolt through the conclusion of the experimentation.