Reinforcement of a revivatory ancient landslide and mechanism of mini-type anti-sliding piles
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摘要: 通過對古滑坡復活原因的分析和數值模擬,采取以微型抗滑樁為主并結合壓力注漿、卸載、反壓等工程措施的設計方案,使復合古滑體重新處于穩定狀態,確保了道路主線路基及路塹邊坡工程的正常施工和長期穩定;結合工程實際對微型抗滑樁進行了力學分析和數值模擬計算,證明其最大軸向力出現在樁體中間位置,而最大剪應力則位于抗滑樁高度的1/3~2/5處.Abstract: Based on the analysis and numerical simulation of ancient landslide revivification, an effective reinforcement measure of micro anti-slide piles combined with pressure grouting, unloading soil and pressing the slope toe was adopted to ensure the road and the cutting slope against slippery. With a practical example, the mechanical analysis and numerical simulation of a micro anti-slide piles are carried out and the result shows that the maximum axial force takes place in the middle and the maximum shear stress is in the 1/3-2/5 height of the pile.
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