grade separation

基本解释

Based on engineering practice, the construction characteristics and methods of the urban grade separation bridge were discussed in detail in this paper.
较为详细地阐述了城市立交桥施工的特点、施工总体安排、进度计划及施工方法。
When it needs overpassing the built higher highway in the grade separation roadways, steel-concrete composite continuous bridges should be the preferred bridges which could be used widely.
在道路立体交叉中需要上跨已建成的高等级公路时，钢—混凝土连续组合梁桥应作为首选桥型，可以推广应用。
Here is a detailed description on how to shield the railway from Shuangqiaomen Grade Separation construction to stay normal operation of Ning-Wu Railway.
为保证宁芜铁路的正常运营，针对南京市双桥门立交施工，详细介绍对铁路进行支护的施工方法及注意事项。