【摘要】 针对预制空心板出现单板受力的现象,分析研究了空心板铰缝的破坏原因及发展情况,并提出了相应的防治措施,从而提高了桥涵的整体承载能力和结构的耐久性。更多还原

【Abstract】 According to the phenomena of single-force in pre-blank board,it analyzes and researches the damaging reasons and developing situation of blank board hinged cracks,and brings forward relative protecting measures,so as to raise the whole capacity and structural durability of the bridge.更多还原