某旧拱桥病害分析及加固设计与施工  

Diseases Analysis on an Old Arch Bridge and Reinforcement Design and Construction

作　　者：杨国立[1] 李瑞鸽[1] 

机构地区：[1]台州学院建筑工程学院,318001

出　　处：《混凝土与水泥制品》2013年第9期71-74,共4页China Concrete and Cement Products

摘　　要：通过对某旧拱桥作细致的技术状况调查,查明缺陷(或潜在缺陷)、损伤位置及其严重程度和发展趋势,评价桥梁的使用功能。分析了主拱圈、横系梁、腹拱、伸缩缝、桥台等的病害情况。结合病害情况及检测结果,阐述该桥的维修加固设计方案,对加固施工中的锚喷混凝土施工、植筋专项施工、环氧砂浆修补裂缝施工、伸缩缝处理施工方法等进行了详细介绍。The technical condition of an old arch bridge is meticulously investigated to find out the defect （or poten-tial defect）, damage location and development tendency of the bridge and evaluate the use function of the kind of the bridge. The main arch rings, cross beams, spandrel arches, expansion joints, abutments and other diseases are analyzed. Combination with disease situation and test results, the repair and reinforcement schemes of the bridge are explained. And some construction methods about anchor spray cement concrete, planting reinforcing bar, repair crack with epoxy mortar, expansion joints handle, etc. are introduced in detail.

关 键 词：空腹式拱桥 陶粒混凝土 植筋 

分 类 号：TU997[建筑科学—市政工程]