Simulation of Gaoliying Ground Fissure Based on FLAC3D
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Abstract:
Gaoliying ground fissure destroyed the building walls and roads and had serious effects on urban planning and construction. Previous research results showed that Gaoliying ground fissure is a composite one and caused by the combination results of fault creep deformation and ground differential subsidence induced by decline of groundwater level. In this study, FLAC3D software was used to simulate the developing trend of Gaoliying ground fissure under eight different conditions. The results indicated that the forbidden bandwidth of ground fissure is 90 m, which agrees with the surface investigation results of 100 m. The research results suggested that application of FLAC3D technology in the numerical simulation of ground fissure is feasible, and it can also provide guidance for the prediction of ground fissure in Beijing.
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