九江长江大桥防锈粘结层粘结性能试验研究  

Experimental Study on Bonding Performance of Antirust Adhesive Layer of Jiujiang Yangtze River Bridge

作　　者：杨亚林 薛永超[2] 钱振东[2] 钱宇峰 桂鑫 YANG Yalin;XUE Yongchao;QIAN Zhendong;QIAN Yufeng;GUI Xin(Jiangxi Gan Ewan Road and Bridge Investment Co.,Ltd.,Jiujiang,Jiangxi 332099,China;Intelligent Transportation System Research Center,Southeast University,Nanjing,Jiangsu 211189,China;Jiangxi Communications Construction Engineering Quality Supervision and Administration Bureau,Nanchang,Jiangxi 330096,China)

机构地区：[1]江西赣鄂皖路桥投资有限责任公司,江西九江332099 [2]东南大学智能交通运输系统研究中心,江苏南京211189 [3]江西省交通建设工程质量监督管理局,江西南昌330096

出　　处：《公路工程》2021年第3期93-98,153,共7页Highway Engineering

基　　金：国家自然基金资助项目(51678146);江西省交通厅科技项目(JJYQ-ZX-032)。

摘　　要：为研究钢桥面铺装中防锈粘结层对热拌环氧沥青混合料施工工艺的适应能力,以九江长江大桥结构改造工程中使用的“环氧富锌漆+环氧粘层油”防锈粘结体系为研究对象,设计分步检测试验,以高温处理前后防锈粘结层的拉拔能力变化程度为指标,验证钢桥面铺装防锈粘结层的耐高温性能;以“钢板-防锈粘结层-铺装层”体系的剪切强度与拉拔强度为指标,研究环氧黏层油用量对粘结层性能的影响;通过多次浸水试验模拟,探讨粘结剂在受到水损害后力学性能的劣化规律。试验结果表明“环氧富锌漆+环氧粘层油”防锈粘结体系具有良好的抵抗高温作用的能力,可以满足热拌环氧沥青混合料的施工要求;当环氧黏层油用量在0.4~0.6 L/m 2时,其粘结性能较好;在浸水环境下,粘结层的剪切强度与拉拔强度均有所下降,在浸水初期,下降幅度最大。In order to study the adaptability of antirust adhesive layer in steel bridge deck pavement to the construction technology of hot mix epoxy asphalt mixture,the antirust bonding system of"epoxy zinc rich paint+epoxy adhesive layer oil"used in the structural transformation project of Jiujiang Yangtze River Bridge is taken as the research object.The step-by-step detection test is designed to verify the steel bridge deck pavement by taking the change degree of the antirust adhesive layer before and after high temperature treatment as the index Based on the shear strength and pull-out strength of"steel plate antirust adhesive layer pavement"system,the influence of epoxy adhesive oil content on the performance of adhesive layer was studied;the degradation law of mechanical properties of adhesive after water damage was discussed through multiple immersion test simulation.The test results show that the antirust adhesive system of"epoxy zinc rich paint+epoxy tack coat oil"has good resistance to high temperature,and can meet the construction requirements of hot mix epoxy asphalt mixture;when the amount of epoxy tack coat oil is between 0.4 and 0.6 L/m 2,it can meet the construction requirements of hot mix epoxy asphalt mixture In the immersion environment,the shear strength and pull-out strength of the adhesive layer decrease,and the decrease range is the largest at the initial stage of immersion.

关 键 词：道路工程 防锈粘结层 环氧富锌漆 环氧粘层油 粘结性能 

分 类 号：U443.33[建筑科学—桥梁与隧道工程]