本研究採用二維有限差分軟體 FLAC (Fast Largragian Analysis of Continua)建立數值模型，以華盛頓大學Perez(1999)所做之振動台試驗進行動態行為之模擬，模型中使用Duncan(1980)提出的雙曲線土壤模數模型修正不同圍壓下的土壤模數，並利用Rankine靜止土壓力對砂箱與土壤間之側向摩擦力進行折減；並於底面先鋪上一層砂土後，再鋪設底層加勁材，減低底層加勁材在底面上產生的滑動現象。
模擬結果與振動台試驗量測到之坡面位移、土體變位等進行比對，確定模型可成功模擬之後，再針對各種加勁邊坡內各種設計因子進行參數分析，探討在各種不同參數下，對坡面變形及內部土體應力狀態之影響，藉以更進一步了解加勁邊坡之動態行為。
結果發現，加勁邊坡越弱，則土體之破壞面越接近牆底之位置，且破壞面與水平的角度越大；加勁邊坡之坡面最大變位會隨著加勁材強度及加勁材埋設長度增加而減小；加勁邊坡之降伏加速度則隨著加勁材強度及加勁材埋設長度增加而增加。

The study has used two dimensional finite difference software FLAC (Fast Largragian Analysis of Continua) to build a numerical model; the simulation based on Perez's "Shaking Table Tests" which established by Adam Perez (1999) in University of Washington. The hyperbolic soil model which established by Duncan (1980) is used to modify the soil modulus under different confined compressions. This model also decreased the compressions between the sand box and the soil by using Rankine’s theory. To prevent sliding, we place a sand layer as the bottom layer.
Comparing the results of the simulation and the shaking table test, we found that this model can successfully simulate the project. To further understanding the dynamic behavior of reinforced slopes, we analysis various design factors in the reinforced slopes; explore the effect from the different parameters, slope deformation and internal soil stress.
The results of the study indicate that the weaker slopes are closer between the soil's yieldind layer and the bottom of the wall get, and if the embedment length and the stiffness of the reinforcement are longer or stronger, the reduction of deformation of the wall face will be more effective. It also found that the yielding rate of the reinforced slopes increase as the strength of the reinforment and the embedded length increases.

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