There are many problems in box-girder bridge at construction stage,especially at closure segments,such as bursting cracks in bottom slab,longitudinal cracks in the bottom slab and tearing in the bottom slab.
箱形截面桥梁的结构形式在施工阶段常出现一些问题,其中在施工合龙阶段出现的问题较为突出,比如底板混凝土下崩、底板产生纵向裂缝、底板混凝土与上下两层钢筋网一起分层等现象。
参考来源 - 连续箱梁刚构桥合龙段常见问题分析·2,447,543篇论文数据，部分数据来源于NoteExpress
This paper presents the authors' viewpoint on the choice of minimum reinforcement for isolated foundation bottom slab.
本文对选择隔振基础底板最小配筋量的问题提出了作者的观点。
The Suggestions on the restoration of the bottom slab are also given.
最后给出了此桥底板修复的若干建议。
To speed up the bottom slab construction is the key point for controlling the deformation generally.
加速底板施工是控制底板总变形量的关键。
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