文献类型：期刊文献

中文题名：人造草丝纤维与水泥砂浆粘结性能的研究

英文题名：Bond slip characteristics between artificial turf fiber and cement mortar

作者：裘浩成[1];易红玲[1];冯中军[2];郑柏存[1,2]

机构：[1]华东理工大学体育新材料研发中心,上海200237;[2]上海三瑞化学有限公司,上海200237

年份：2013

卷号：44

期号：7

起止页码：1039

中文期刊名：功能材料

外文期刊名：Journal of Functional Materials

收录：CSTPCD;;EI(收录号：20132616453994);Scopus;北大核心:【北大核心2011】；CSCD:【CSCD2013_2014】；

基金：上海市体育材料技术服务平台建设资助项目(10DZ2290600)

语种：中文

中文关键词：材料表界面;粘结性能;单丝拔出实验;表面改性

外文关键词：interface of materials; bond slip characteristics; single fiber pullout test; surface modification

摘要：用自行设计的模具制样,并进行人造草丝纤维的拔出实验,考察了养护时间,埋长及纤维截面对纤维拔出力以及界面粘结强度的影响。结果表明,纤维与水泥的粘结强度,随着养护时间的增大而增大,在第3d以后基本趋向一极值;粘结强度随着埋长的增大略有下降;单片丝与水泥的粘结强度最大,单丝次之,加筋丝最小。提出一种溶胀法表面接枝丙烯酸的方法,改善人造草丝纤维与水泥间的粘结性能,并分析比较了化学接枝和物理溶胀对粘结强度的影响程度。
Samples were cast in self-designed mold and then pullout tests were performed to understand the pullout behavior of artificial turf fibers from cement mortar.The effects of curing time,embedded lengths and cross sections of fibers on pullout load and interfacial bond strength were studied.The results indicated that the bond strength grows with the development of the curing days until the third day when it reaches a stable value;it declines slightly with the development of embedded length;bond between flake fiber and cement mortar was strongest while bond between reinforced fiber and cement mortar was weakest.In this study,a method to improve the bond strength by means of grafting acrylic acid with swelling was proposed.Meanwhile,the effects of chemical grafting and physical swelling on interfacial bond strength were also studied.