STUDY ON THE CEMENTITIOUS MORTAR FOR SEMI-FLEXIBLE PAVEMENT

摘要：

Semi-flexible pavement is a kind of composite pavement that utilizes the pore structure ofopen-graded asphalt mix which is subsequently filled with an appropriate cementitiousmortar. The main purpose of this research was focused on the influences of W/B ratio, S/Bratio and using of superplasticizer on the performance of cementitious mortars for semiflexible pavement. 14 kinds of mortars were designed and studied to investigate the trends ofthe mortars with different W/B ratio, S/B ratio and superplasticizer dosage. Based on thestudy, cementitious mortar with the combinations of good workability, high strength and lowdrying shrinkage was prepared by using polycarboxylic acid superplasticizer and expansionagent under the proper mix proportions. The evaluation of the semi-flexible pavementmaterial containing this kind of cementitious mortar indicated its high capacity and greatpotential to reduce the permanent deformation under high temperature and heavy trafficloading.

作者: Shuguang Hu Shaolong Huang Qingjun Ding Rongkun Zhang

作者单位: Key Laboratory for Silicate Materials Science and Engineering of Ministry of Education,Wuhan University of Technology,China

会议类型: 国际会议

会议名称: 1st International Conference on Microstructure Related Durability of Cementitious Composites(首届与水泥基复合材料耐久性相关的微观结构国际会议)

会议地点: 南京

会议语种:英文

页码: 1237-1246

在线出版日期: 2008-10-13（万方平台首次上网日期，不代表论文的发表时间）