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新型拼装式挡墙在边坡防护中的应用
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摘要
以新建铁路云桂线昆明枢纽段线下改道边坡防护工程为例,引入一种新型的组装式挡土墙。该挡墙基于重力挡墙理论进行设计,以钢框为框架,内部充填块石形成整体结构抵抗外力作用。通过与混凝土挡墙对比分析,该新型挡墙在结构上具有强透水性、可适应不均匀沉降、抗震性能好;在施工方面具有便于搬运、快速施工等优势;在环境保护方面,具有就地取材、节能环保等优点。
A new type of assembled retaining wall is introduced for the reconstruction of the slope of the Kunming section of the railway line. The retaining wall is designed based on the theory of gravity retaining wall. The steel frame is the frame, and the internal structure of the block is formed to resist the external force. Compared with the concrete retaining wall, the new type of retaining wall has strong water permeability in the structure, which can adapt to uneven settlement and good seismic performance. It has the advantages of easy handling and rapid construction in the construction. In the aspect of environmental protection,ithasenergysavingandenvironmentalprotectionadvantages.
引文
[1]张永双,张加桂,雷伟志等.中国西南泛亚大通道环境工程地质问题概论[J].地学前缘,2007,14(6):24-30.
    [2]卿三惠.西南铁路工程地质特征及成就[J].铁道工程学报,2005,15(s):123-139.
    [3]游励辉,陈思孝.西南山区铁路桥梁设计的几点思考[J].高速铁路技术,2015,6(5):78-82.
    [4]中国中铁二院工程集团有限公司.新建铁路云桂线DK628+440线下改道工程施工图,2014
    [5]中华人民共和国铁道部.《铁路路基支挡结构设计规范》(TB1025-2006),2006

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