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Geological Engineering: Proceedings of the 1st International Conference (ICGE 2007)

Baosong Ma
Baosong Ma
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Recently, severe ruptured cracks have occurred in the high slope at the Tonglushan Ancient Copper Mine, which is the key cultural relics site under the state protection. The study on the genesis of the cracks is quite important for the protection of the site of the Mine. According to the site investigation, factors affecting the deformation and rupture of the high slope of the mine had (were) analyzed in details. As a result, the mining activity is (was) considered as the main factor. Moreover, true three-dimensional engineering geological numerical model has been established. Based on a lot of model trial calculation and comprehensive analysis, five mining and excavation conditions are designed, and reasonable deformation rupture criterion is determined as well. In addition, three-dimensional non-linear finite difference method is carried out to conduct the calculation. The results are discussed based on the rupture criteria, with the aim of finding out the position of the cracks; therefore, the final mining condition leading to the deformation can be obtained. Finally, the rational analysis and evaluation on the genesis of the cracks of high slope are proposed based on the above qualitative and quantitative analysis conclusions.

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