旧石拱桥病害与加固分析  

Analysis of disease and reinforc-ement of existed stone arch bridge

作　　者：赵芳[1] 

机构地区：[1]山西省交通科学研究院,山西太原030006

出　　处：《山东交通科技》2014年第6期94-96,共3页

摘　　要：首先介绍了石拱桥常见的病害及成因;然后对石拱桥加固的方法进行了总结;最后对工程实例的病害、加固方法及加固前的承载力进行了分析,计算得到加固前后主拱圈和腹拱圈承载力提高15%以上,表明所采用的钢筋混凝土套箍加固石拱桥的方法效果良好。Firstly, common diseases and their causes are introduced respectively; And then, methods of reinforcement for stone arch bridge are explained;Finally, diseases, reinforcement methods and capacity before and after reinforcement of the case study are analyzed.The capacity of the main arch ring and the abdomen arch ring is improved by 15%, which shows that the reinforcement methods of reinforced concrete with hooping bars for stone arch bridge is useful and effective .

关 键 词：石拱桥 病害 钢筋混凝土套箍 加固 

分 类 号：TU312.3[建筑科学—结构工程]