碳纤维筋喷浆法加固石拱桥技术分析及应用  

Technology analysis and application of carbon fiber tendon reinforced shotcrete rnethod reinforcing stone arch bridge

作　　者：刘君奎 

机构地区：[1]赤峰市公路管理处,内蒙古赤峰024000

出　　处：《内蒙古公路与运输》2014年第5期9-12,共4页Highways & Transportation in Inner Mongolia

摘　　要：提出以碳纤维筋和高强聚合物砂浆为补强材料的一种加固石拱桥的新方法。通过对碳纤维筋喷浆加固机理和力学特点的分析,明确了石拱桥偏心受压构件加固补强的计算方法,给出具体实施技术要点,并进行实际工程应用验证。结果表明,碳纤维筋喷浆加固的桥梁可有效提高承载能力,同时也可改善结构的耐久性,有较好的推广应用价值。Propose a new method of using carbon fiber tendon and high - strength polymer mortar as reinforcing material for reinforcing stone arch bridge. Through the analysis of strengthening mechanism and mechanics characteristics of carbon fiber ten- don reinforced shotcrete, clear about the reinforcement calculation method of eccentric compression member of stone arch bridge, provide specific implementation technology points, and verified the actual engineering application. The results show that the car- bon fiber tendon reinforced shotcrete bridge reinforcement can effectively improve the bearing capacity, at the same time improve the structure durability, has good application value.

关 键 词：桥梁工程 石拱桥 碳纤维筋 加固补强 

分 类 号：U442[建筑科学—桥梁与隧道工程]