还是反对让建筑工人改建我们的道路、桥梁和学校？
Are they against hiring construction workers to rebuild our roads and Bridges and schools?
随着时间的推移，越来越多的桥梁面临拆除重建或改建。
With the lapse of time, more and more Bridges have to be demolished and rebuilt.
在公路改建和桥梁养护中，支座的更换改造已成为亟需解决的问题。
How to change bridge abutments needs to be solved during road reconstruction and bridge maintenance.
改扩建工程中桥梁设计的重点是其下部加宽改建方案。
In reconstruction and extension engineerings, the important point of bridge design is widening and reconstructing its bottom.
目前桥梁拓宽改建中常用的纵缝处理方式有新旧桥梁之间设置纵向断缝、翼缘板刚性连接或铰接。
Setting longitudinal break gaps between the new and the old Bridges and rigid or hinge connected the flange slabs are the usual disposal methods in widen and rebuild Bridges.
通过对南城桥二次拓宽改造的方案优化过程、主要技术措施及改建成效等方面的阐述，探讨中小桥梁老桥改建技术。
In this paper description is given to the optimization of the 2 nd widening and improving scheme of the Nancheng Bridge, as well as the main facilities and their effects.
通过对南城桥二次拓宽改造的方案优化过程、主要技术措施及改建成效等方面的阐述，探讨中小桥梁老桥改建技术。
In this paper description is given to the optimization of the 2 nd widening and improving scheme of the Nancheng Bridge, as well as the main facilities and their effects.
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