农村小跨径圬工拱桥的承载能力评定研究  

Research on load-carrying capacity assessment on small-span masonry arch bridges in rural areas

作　　者：李迪 Li Di(Anhui Seven Stars Engineering Testing Co.,Ltd.,Hefei 230000,China)

机构地区：[1]安徽省七星工程测试有限公司,安徽合肥230000

出　　处：《山西建筑》2022年第22期158-161,共4页Shanxi Architecture

摘　　要：为了对农村小跨径圬工拱桥结构的承载能力进行评定,以桐花里民宿桥为工程背景,首先通过无损检测获得桥跨的几何线形、材料参数,以及病害状况等,然后利用有限元软件建立考虑实际运营状态的拱桥模型,并将上部荷载均匀施加到模型中,并综合桥梁的技术状况评定结果,对该圬工拱桥的承载能力进行分析。分析结果表明:该桥梁结构承载能力满足设计要求。In order to evaluate the structural load-bearing capacity of small-span masonry arch bridges in rural areas, firstly, the geometric alignment, material parameters and disease conditions of the bridge span were firstly obtained through nondestructive testing with the Tong Hua Li B&B Bridge as the engineering background. Then, the finite element software was used to establish an arch bridge model considering the actual operation condition, and the upper loads were uniformly applied to the model, and the results of the technical condition assessment of the bridge were integrated to analyze the load-bearing capacity of the masonry arch bridge. The analysis results show that the structural bearing capacity of the bridge meets the design requirements.

关 键 词：小跨径圬工拱桥 承载能力 经验系数法 偏心距 

分 类 号：TU312[建筑科学—结构工程]