再生混凝土耐磨性影响因素研究  

Research on Influence Factors of Abrasion Resistance for Recycled Aggregate Concrete

作　　者：杨宁[1] 王崇革[1] 赵美霞[2] 

机构地区：[1]山东科技大学山东省土木工程防灾减灾重点实验室,青岛市266510 [2]山东科技大学化学与环境工程学院,青岛市266510

出　　处：《公路》2011年第6期171-174,共4页Highway

基　　金：国家科技支撑计划资助项目;项目编号2009BAJ28B02

摘　　要：通过对150 mm×150 mm×150 mm的立方体标准试件进行耐磨性试验,全面地比较和分析了再生粗骨料的取代率、水胶比、砂率、胶凝材料的总用量对再生混凝土耐磨性能的影响规律,并分析了其产生的原因。结果表明,确定适宜的再生粗骨料取代率对再生混凝土耐磨性能具有重要意义,水胶比对再生混凝土耐磨性影响最显著,砂率和胶凝材料的总用量对再生混凝土耐磨性有一定的影响,同时试验结果可为以后再生混凝土耐磨性研究提供一定的参考。Abstract： Abrasion resistance test is carried out through 150 mm〉（ 150 mmX 150 mm cube standard specimen. Replacement ratio of recycled coarse aggregate, water-binder ratio, sand coarse aggregate ratio, the total amount of gelled material are influence factors of wearing resistance, which are analyzed and con- trasted how to influence abrasion resistance of recycled aggregate concrete. The results show that fitting replacement ratio of recycled coarse aggregate has significance for abrasion resistance, water-binder ratio has the most remarkable influence, sand coarse aggregate ratio and the total amount of gelled material have a certain extent influence. The test results also can provide the reference for future study on abrasion re- sistance of recycled a^reuate concrete.

关 键 词：再生混凝土 再生粗骨料 普通混凝土 耐磨性 水胶比 

分 类 号：TU502[建筑科学—建筑技术科学]