摘要
本文介绍了在地下水位较高的软弱地基上利用支顶法解决大跨径顶进框构桥“扎头”的施工技术和应注意的有关问题。对公路、铁路、城市改造、既有线大跨径顶进施工有一定指导意义。
This paper introduces the construction technology and should attentive problems of “tying head”in framed structure bridge of solving big span goring advance by strut top method on the weak foundation with higher groudwater level.These have certain guiding significance for the construction of big span goring advance in highway, railway,city transform and already have lines.
关键词
大跨径框构桥
支顶法
扎头
施工技术
Framed structure bridge of big span
Goring push
“Tying head”
