地震荷载下高填方边坡破坏机理与稳定性分析

主要针对地震荷载作用下高填方边坡的破坏机理和稳定性进行分析评价。采用数值分析方法，就高填方边坡在地震中的破坏机理、破坏模式以及影响因素进行分析，对边坡稳定性的评价方法、控制指标等关键技术进行研究，以揭示地震荷载中高填方边坡破坏机理，建立地震中边坡稳定性评价的静力分析法和动力分析法，并对雅安地震中成雅高速公路填土高度达到25m的K43＋450～K43＋720段路基进行稳定性分析和验证。

Analysis for Failure Mechanisms and Stability of High-fill Slopes at Seismic Load

This paper mainly analyzes and evaluates failure mechanisms and stability of high-fill slopes at seismic load. The paper analyzes failure mechanism, failure modes and influencing factors of high-fill slopes in earthquakes by means of numerical analysis method and studies key techniques including evaluation methods and control indices of slope stability to disclose failure mechanisms of high-fill slopes at seismic load and establish the static analysis method and dynamic analysis method for evaluation of slope stability in earthquakes, and analyzes and verifies stability of roadbed at section K43 ＋450 ～ K43 ＋ 720 at the height uo to 25m of Chenzdu-Ya＇ an Exnresswav in Ya＇ an earthauake.