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The results showed that FLAC3D can simulate and analyze the oil shale hydraulic mining process and is an effective and suitable method for oil shale exploitation research. Considering the condition of advance support, the deformation of.
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conditions,the deformation rules of deep foundation pit at subway station in tunneling are studied with the method of FLAC3D numerical simulation,the supporting structures choose by the bored piles and interior support. This study combined theoretical analysis, numerical simulation via FLAC3D software, innovative design, and field measurements for establishing the mechanical model of the stressed coal rock and. The optimal mining hole spacing was 25 m, and the distribution regularities of the vertical displacement of the surrounding rock near the excavation and earth surface were observed. Numerical Analysis of the Deformation Law of Deep Foundation Pit of Subway Station by FLAC3D. Based on the simplified structure of rock mass, FLAC3D numerical modeling technique is used to analyze systematically the distribution features of filed, strain field and plastic zone in the surrounding rock mass of the underground cavities after the excavation.
#FLAC3D NUMERICAL ANALYSIS SOFTWARE#
Drill hole spacing was identified as a key factor for the coefficient of borehole hydraulic mining based on the general relationship between the coefficient and borehole spacing. N2 - Based on fundamental principle of saturated/unsaturated flow and characteristic of FLAC3Ds showing pore pressure nephogram, this paper was aimed at obtaining steady seepage within the dam, capturing the face on which pore pressure was equal to zero, and then identified the phreatic line of the dam. A finite difference software (FLAC3D) was used to carry on numerical simulation of reinforced soil retaining wall which had observed engineering data. The best mining scheme was selected in terms of safety factors and economic benefits, and used for the analysis of the vertical displacement and ground surface settlement of the oil shale area. A simulation study involving drilling hydraulic mining methods for different borehole spacings in the Nong'an oil shale mining area was conducted. Abstract : The analysis software, FLAC3D, was used for simulation of Nong'an oil shale mining according to the three-dimensional fast Lagrangian algorithm.