1) road widening
公路拓宽
1.
With the characteristics of long line,many points and narrow surface,the causes of soil erosion in road widening projects are complicated and difficult to predict.
公路拓宽建设项目有其自身的特点 :线长、点多、面窄 ,其水土流失成因形式多 ,预测困难 ,编制的水保方案存在着一些共性的问题 。
4) subgrade widening
路基拓宽
1.
Numerical analysis of application for pile-supported reinforced embankment in subgrade widening engineering;
路基拓宽工程中桩承式加筋路堤处理的数值分析
2.
On the basis of the in-situ investigation and analysis of the distresses caused by subgrade widening,the four failure modes in subgrade widening engineering are summarized,i.
针对路基拓宽工程的实际问题,基于大量实体工程调研和理论分析,从损坏类型和损坏机理出发,揭示了路基拓宽工程中的4种损坏模式,包括路基结合部剪切开裂、新老路面结合部弯拉开裂、老路基层顶面开裂和新路基层底面开裂,建立了以变坡率为设计指标的路基拓宽设计方法;并遵循变形协调与控制的基本思想,着重提出了路基拓宽工程处治措施的选择流程,继而采用有限元计算和室内模拟试验的方法,对新老路基结合面处治、拓宽路基填料及压实度控制、路基加筋、支档结构等多种处治措施的处治机理、效果和设计施工要点进行了总结。
3.
Based on the investigation and mechanism analysis of distresses in subgrade widening engineerings,the technical treatment principle is determined as controlling uncoordinated deformation between widening subgrade and existing one.
针对路基拓宽工程的常见病害及其成因机理,提出了“变形协调与控制”的处治技术思想,并依据路基拓宽不协调变形的不同组成部分,明确了相应的变形控制途径。
5) widening roadbed
拓宽路堤
1.
Combining with the mutual segment of Wu-Huang freeway and the third annular urban road of Wuhan,three-dimensional explicit finite-difference program-FLAC3D is used to do deformation analysis of widening roadbed and the main factors of uneven settlement sensitivity are pointed out.
本文采用FLAC3D三维有限差分分析软件,结合武汉市三环线武黄高速公路共线段拓宽工程,进行拓宽路堤不均匀沉降仿真分析,指出了导致不均匀沉降的主要敏感性因素。
6) existing road widening
旧路拓宽
1.
Reasons and restraining measures of existing road widening connecting cracks;
旧路拓宽拼接缝产生原因及预防措施
补充资料：拓宽
1.扩大，加宽。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条