This paper introduces a reinforce roadbed technology with pipe shed when tunnel bridge pass through roadbed using incremental launching method and highway traffic not be discontinued.
介绍了在高速公路不中断交通的情况下，地道桥顶推施工穿越路基时所采用的管棚支护加固路基技术。
2
To reveal the pattern the amount of drivers' memory of traffic sign information changes over time could shed bright light on the design and installation of ur-ban road traffic signs.