硅基聚氨酯复合材料在桥梁加固工程中的应用  

Application of Silicon-based Polyurethane Composites in Bridge Reinforcement Engineering

作　　者：杜永刚 DU Yong-gang(Dingxi Highway Development Center,Dingxi 743000,Gansu,China)

机构地区：[1]甘肃省定西公路事业发展中心,甘肃定西743000

出　　处：《合成材料老化与应用》2022年第4期165-166,129,共3页Synthetic Materials Aging and Application

摘　　要：在国家推行“双碳”政策的大环境下,桥梁加固工程中采用新材料可以达到节省材料,增强加固效果,降低工程造价,提高施工效率的目的。该文从公路桥梁加固工程具体实际应用出发,总结了桥梁的常见结构形式以及常见病害类型,并从材料微观结构方面归纳了聚氨酯硅粉复合材料的材料特性及材料特性产生的机理,根据材料特性阐述了硅基聚氨酯复合材料在桥梁加固工程中的应用途径。In the context of the country’s implementation of the"dual carbon"policy,the use of new materials in bridge reinforcement projects can save materials,enhance reinforcement ef fects,reduce project costs,and improve construction efficiency.Basing on the specific practical application of bridge reinforcement engineering,this paper summarizes the common structural forms and common disease types of bridges.And from the aspect of material microstructure,the material properties and the mechanism of siliconbased polyurethane composites are analyzed.According to the material properties,the application way of silicon-based polyurethane composites in bridge reinforcement engineering is expounded.

关 键 词：桥梁 加固工程 硅基聚氨酯复合材料 

分 类 号：TB33[一般工业技术—材料科学与工程]