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针对捆绑式抗滑桩中最简单适用的两根等直径钻孔桩的组合型式的捆绑桩,应用单棒与捆绑双棒承受侧向力作用下的对比实验成果,考虑设计计算理想状况的假定,采用了强度效能折减方法,以采用了钻孔灌注排桩进行边坡支护的实际工程为算例,对捆绑式抗滑桩结构设计计算进行了初步的探讨,并与钻孔灌注排桩方案的设计计算及效果进行了比较。结果表明由于捆绑式抗滑桩在抵抗弯矩上性能更优越,因此在受力钢筋用量上比钻孔灌注排桩大大节省,有更好的经济效果。
For bundled anti-sliding piles, the simplest applicable combination of two equal-diameter bored piles is to apply the comparative experimental results of a single rod and a bundled double rod subjected to a lateral force, and consider the assumption that the design calculates the ideal condition. The method of reducing strength and strength was adopted. The actual project of using slope cast-in-place piles for slope support was used as an example. The design calculation of the bundled anti-sliding piles was preliminary discussed, and the drilling perfusion row was also used. The design, calculation and effect of the pile program were compared. The results show that because the bundled anti-slide piles have superior performance in resisting bending moments, they are much more economical than the bored piles in terms of the amount of stressed steel reinforcement.