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水下超百米长大直径钻孔灌注桩有它自己的特殊性。因此只有加强施工技术的研究,加强质量控制,才能达到桩的设计要求。经过跨娄江航道连续梁拱桥水下超百米长大直径钻孔灌注桩的施工和施工技术的研究,总结出一套较成熟的施工技术。文章通过灌注桩现场施工的实例,简介水下超百米长大直径钻孔灌注桩施工技术。
Underwater over a hundred meters long diameter bored pile has its own particularity. Therefore, only by strengthening the research of construction technology and strengthening quality control can the design requirements of pile be reached. After crossing the Loujiang waterway continuous beam arch bridge over a hundred meters long underground diameter bored pile construction and construction technology, summed up a more mature construction technology. In this paper, an example of on-site construction of bored pile is introduced. The construction technology of bored pile with a diameter of more than 100 meters in length is introduced.