In order to solve the influence of blasting load on the slope stability of tunnel site in the process of tunnel blast-ing excavation,the stability of a project slope only under gravity load is preliminarily judged based on numeri-cal simulation method,and then the slope stability of blasting with explosive quantities of 100,10 and 1 kg is analyzed respectively.It is considered that the displacement of slope foot should be paid attention to in blast-ing construction to prevent the instability of slope body structure.
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