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预应力锚索桩基托梁挡墙设计与施工分析

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文中以某高填方边坡工程支护工程为例,对预应力锚索桩基托梁挡墙设计进行分析,利用仿真模拟软件分析该支护结构力学响应,并对预应力锚索桩基托梁挡墙的施工效果进行了监测.结果表明,上级桩基托梁挡墙墙顶最大水平位移为17.8 mm,墙顶最大沉降量为6.5 mm;墙底最大水平位移为7.4 mm,最大沉降量为5.2 mm.所有监测点处的墙体变形量及沉降量均未超过设计预警值,证明预应力锚索桩基托梁挡墙的施工效果良好,安全系数较高,即预应力锚索桩基托梁挡墙可以大量推广应用于山区边坡的支护工程,这对于提升边坡工程的施工安全性具有十分重要的意义.
Design and Construction Analysis of Prestressed Anchor Cable Pile Foundation Joist Retaining Wall
Taking a high fill slope engineering support structure as an example,the paper analyzes the design of the retaining wall of the pres-tressed anchor cable pile joist,and uses simulation software to analyze the mechanical response of the supporting structure and monitor the con-struction effect of the retaining wall.The results show that the maximum horizontal displacement of the top of the retaining wall is 17.8 mm and the maximum settlement is 6.5 mm.The maximum horizontal displacement at the bottom of the wall is 7.4 mm and the maximum settlement is 5.2 mm.The deformation and settlement of the wall at all monitoring points do not exceed the design warning value,which confirms that the construction effect of the prestressed anchor cable pile joist retaining wall is good and the safety factor is high,that is,the prestressed anchor cable pile joist retaining wall can be widely applied to the support engineering of mountain slope,which is of great significance for improving the construction safety of slope engineering.

High fill slopePrestressed anchor cable pile joist retaining wallSlope support

张晓龙

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贵州省建设投资集团有限公司,贵州 贵阳 550000

高填方边坡 预应力锚索桩基托梁挡墙 边坡支护

2024

江西建材
江西省建材科研设计院

江西建材

影响因子:2.247
ISSN:1006-2890
年,卷(期):2024.(4)
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