用水泥改善开级配路面抗滑磨耗层耐水性的试验研究  

Experimental study on improvement of water resistance of OGFC with cement

作　　者：汤寄予[1] 高丹盈[1] 夏丹[1] 张启明[1] 

机构地区：[1]郑州大学新型建材与结构研究中心,河南郑州450002

出　　处：《新型建筑材料》2008年第3期9-13,共5页New Building Materials

摘　　要：使开级配抗滑磨耗层(OGFC)具有较好的耐水性能是其组成设计的技术关键。为研究水泥取代矿粉后对OGFC混合料耐水性的改善效果,首先确定了不同水泥取代率的OGFC混合料配合比,然后按照规范规定的试验方法进行了浸水马歇尔试验和冻融劈裂试验。结果表明:适量的水泥取代矿粉后对OGFC混合料的耐水性能有明显的改善效果,水泥的最佳掺量为矿料总量的1.4%。It is a key of technology to make OGFC have a good water resistance. In order to investigate the, improving effect of water resistance of OGFC after replacing mineral filler by cement,the mixing proportions of OGFC with different substitution rate of cement were determined firstly,subsequently immersed Marshall test and freeze-thaw splitting test were carried out according to the Standard Test Methods. It indicates from the test results that a suitable substitution rate of cement can have a remarkable improving effect on the water resistance of OGFC,and the optimal content of cement is 1.4% of the total content of mineral filler.

关 键 词：开级配抗滑磨耗层OGFC 水泥 耐水性能 最佳掺量 浸水马歇尔试验 冻融劈裂试验 

分 类 号：U414.18[交通运输工程—道路与铁道工程]