1) old road extended
旧路扩建
2) used road reconstruction and extension
旧路改扩建
1.
This paper analyzed the reasons for the frequently occurring of road damaged phenomena in sub-grade widening for the used road reconstruction and extension project in sectional frost zone.
对季冻区旧路改扩建工程路基拓宽中,容易出现破坏现象的成因进行了分析,重点结合了季冻区的已建或在建的改扩建工程的施工经验,对季冻区的路基拓宽的特殊性进行了技术分析。
4) expansion of existing-bridges
旧桥扩建
5) old road reconstruction
旧路改建
1.
Key issues existed in old road reconstruction of Shi-Huang expressway;
石黄线旧路改建高速公路施工中的关键问题
2.
Experiences of the subgrade widening in the old road reconstruction;
旧路改建工程中路基拓宽的几点经验
3.
In light of the effects of using asphalt pavement base in old road reconstruction for different area of Guangxi coastal regions, a couple of factors in typical reconstruction of old road base have been analyzed including pavement design, materials, construction technique, structural features and quality defects.
针对广西沿海地区不同区域的旧路改建沥青路面基层使用效果,对典型旧路面改建基层的路面设计、材料使用、施工工艺、结构性、质量缺陷等分析,提出了防治半刚隆基层干缩的有效途径,介绍了半刚性基层的连续施工及级配碎石的施工工艺,为今后旧路改建沥青路面基层提供了成功的经验。
6) the reconstruction and extension design about the old building
旧房改扩建
补充资料：路南旧石器地点
见中国西南地区人类化石和旧石器文化。
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