四川省某长江大桥引道滑坡形成机理及处治措施

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四川省某长江大桥引道K11+580~K11+725段原设计为填方,在填筑的过程中,填筑路堤及斜坡面出现不规则的裂缝,经现场勘察确定该段填方路堤筑于古滑坡上,填方加载作用引起古滑坡局部复活;结合支挡、减载、排水等处治措施,制定了预应力锚索抗滑桩、普通抗滑桩、桥梁三个方案,从经济、合理的角度考虑,采用锚索抗滑桩方案。 The original design of K11 + 580 ~ K11 + 725 in approach channel of a certain Yangtze River Bridge in Sichuan Province was originally designed as a fill. During the process of filling, there were irregular cracks in embankments and slopes. After the site investigation, it was confirmed that the embankment was built at On the ancient landslide, the filling action of the fill led to the local revival of the ancient landslide. Combined with the measures of support, load shedding and drainage, the three schemes of prestressed anchorage cable anti-slide piles, ordinary anti-slide piles and bridges were established, which are economical and reasonable Consideration, the use of anchor anti-slide piles program.
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