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预应力锚索抗滑桩技术是由抗滑桩、连系梁、挡土板、锚索组成的一种空间抗滑结构。它通过桩预锚索,对抗滑桩施加预应力,由抗滑桩的抵抗力及锚索的拉力共同平衡滑坡推力。锚索的作用是将传统抗滑桩的悬臂式受力状态变成一端嵌固、一端弹性支承的受力构件。 本文主要结合上三线的滑坡治理工程实例,针对预应力锚索抗滑桩的作用机理、设计方法进行了论述,并简要介绍了工程实际应用情况。
Prestressed anchor anti-slide pile technology is anti-slide pile, tied beams, retaining plates, anchor cable composed of a space-resistant structure. It is through the pre-anchor pile, anti-slide piles prestressed by the resistance of anti-slide piles and the tension of the cable together to balance the landslide thrust. The function of the anchor cable is to transform the cantilever force state of the traditional anti-slide pile into a force-bearing member with one end embedded and one end supported elastically. This paper mainly combines the example of the landslide control project on the third line, discusses the action mechanism and design method of prestressed anchor anti-slide piles, and briefly introduces the practical application of the project.