摘要
机场实际运营维护中的不停航要求以及水泥混凝土在荷载作用下的变形性能,使得道面面层修复效果不理想。采用环氧树脂(环氧值0.44)、聚酰胺树脂作为固化剂,以玻璃纤维、云母粉、氧化铝、氧化钛等作为填料构成了道面薄层修复材料。对修复材料4种配比方案的抗滑性、抗冲击性、耐磨性、耐久性指标进行了试验。试验结果表明:在一定配比条件下,加铺薄层修复材料的混凝土道面板试块相对于未加铺薄层修复材料的混凝土道面板试块,BPN值提高14%~27%,抗冲击性能提高140%~320%,且磨耗TD值均大于0.7,高温及冻融循环试验的参数损失率均小于2%,其中第2组配比方案综合性能最佳,可为机场道面修补材料配比提供技术参考。
It is difficult to repair or achieve a satisfactory repair effect because of the non-stop flight regulation and cement concrete deformation characteristics under load. Epoxy resin(epoxy value is 0.44) and polyamide resin are used as curing agent. Glass layer, mica powder, alumina, titanium oxide are used as fillers of pavement surface thin layer repair materials. Performance indices of the four proportioning schemes are tested including BPN, impact resistance, wear resistance(TD value) and durability. Testing result shows that the BPN of the thin layer repair material under the designed proportioning is increased by 14%~27%, the impact resistance is increased by 140%~320%, TD values of all the four proportion schemes are more than 0.7, and all the loss rates of high temperature and freeze-thaw tests are less than 2%, the second proportioning scheme has the best comprehensive properties.The test result can provide technical reference for the proportion of airport pavement thin layer repair material.
作者
程国勇
杨依恒
CHENG Guoyong;YANG Yiheng(College of Airport Engineering,CAUC,Tianjin 300300,China)
出处
《中国民航大学学报》
CAS
2020年第3期23-27,共5页
Journal of Civil Aviation University of China
关键词
机场道面
薄层修复材料
材料配比
性能检测
airport pavement
thin repair material
material proportioning
performance testing
