| Stablility problem of rock high-slope is always occupying important location in soiltechnics, project safety be put into effect has importance to guarantee. Based on scene observation of the rock high-slope in Hongjiadu hydroelectric station left dam shoulder, Drucker-Prager model of elastic and elastic-plasticity for rock material in ANSYS, solid 42 and solid 2 elements for consildation are of rockmass and anchor bolt and link spar 1 element for anchor rope, and beam 3 for chotcrete are adopted to model excavation and reinforcement process for the high-slope without consildation and with consildation. The simulating research shows that design of excavation and support by anchor rope, anchor bolt and shotcrete is reasonable, and the slope stable, and the simulating research by ANSYS is in close agreement with the site data.
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