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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 article introduces the construction technique and the problems to be noticed when using the top support method to solve the “tiehead” of the long-span jacking frame bridge on the soft ground with high groundwater level. On the road, railway, urban reconstruction, existing large-span jacking construction has some guiding significance.