论高速公路路桥过渡段施工技术的应用论高速公路路桥过渡段施工技术的应用 摘要:本文作者结合高速公路的施工和运营情况,分析路桥过渡段产生不均匀沉降的原因提出路桥过渡段的施工讨论,以减少路桥间的不平顺,从而防止或避开桥头跳车现象增加车辆运行的舒适性
关键词: 路桥, 过渡段, 沉降, 施工 Abstract: this paper based on the highway construction and operation, this article analyzes the transition section of road &bridge produce the uneven settlement of transition section of the proposed reason bridge construction research, in order to reduce the bridge between irregularities, and can prevent or avoid the bridge jumped phenomenon increase the comfort of vehicle running
Keywords: bridge, the transition section, settlement, construction 中图分类号:TU74 文献标识码:A 文章编号: 1 路桥过渡段产生不均匀沉降原因的分析 1
1 桥头地基处治不利 在桥头,有些存在软土地基,由于地基沉降引起的桥头跳车现象依旧存在,分析原因主要有两方面:一方面是施工图的设计方面,对地基的探测和物理力学性讨论不全面,造成桥头路基处治遗漏或实行的处治方法不当,或采纳的软土地基处治理论计算方法和软土地基的实际情况有差距,使软土处治不能达到预期效果,不能满足《公