The paper introduces the types of concrete structural cracks, expounds the cause of the cracks, and presents the measures to prevent and reinforce the concrete structural cracks.
介绍了混凝土结构的裂缝种类，并分别阐述了各种裂缝产生的原因，指出了混凝土结构物裂缝的预防与加固补强措施。
The structural types and design highlights of the substructure of Lhasa River Bridge are described, and the aseismatic measures and inspection equipment for the Bridge are briefed as well.
介绍拉萨河特大桥下部结构型式及设计要点，并对该桥的防震措施及检查设备作了简要的说明。
Dike structural types and construction methods for all types, flood prevention measures and typhoon prevention measures are introduced.
介绍围堤结构型式和各种结构的施工方法及防汛防台措施。
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