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Study on Mechanism of loess crack grouting and PFC numerical simulation

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Document pages: 7 pages

Abstract: According to the Loess split grouting model test, the grouting changes with the change of pressure, which can be divided into three stages: foundation, expansion, fracture and diffusion, and finally form "Y " grouting crack. The diffusion process of slurry on loess is simulated by PFC2D particle flow software. The simulation results show the same "Y " slurry vein as the experiment, which has a certain reference value for loess crack grouting.

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