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对预应力空心板桥裂缝病害进行研究,从设计、材料、施工阶段方面分析引起空心板纵向开裂的原因,并提出控制策略。
The crack of prestressed hollow slab bridge was studied, the reason of longitudinal cracking of hollow slab was analyzed from the aspects of design, materials and construction stage, and the control strategy was put forward.