高炉重矿渣水泥稳定基层混合料性能研究  

Performance Research of Air-cooled Blast Furnace Slag Cement Stabilized Base Mixes

作　　者：张志明 王高峰 许建雄 于海洋 许实 杨亮 谢君 ZHANG Zhi-ming;WANG Gao-feng;XU Jian-xiong;YU Hai-yang;XU Shi;YANG Liang;XIE Jun(Baotou Steel Group Metallurgical Slag Comprehensive Utilization Development Co,Ltd,Baotou 014000,China;School of Materials Science and Engineering,Wuhan University of Technology,Wuhan 430070,China;School of Civil Engineering and Architecture,Wuhan University of Technology,Wuhan 430070,China;Ministry of Transport Highway Bureau,Beijing 100736,China)

机构地区：[1]包钢集团冶金渣综合利用开发有限责任公司,包头014000 [2]武汉理工大学材料科学与工程学院,武汉430070 [3]武汉理工大学土木工程与建筑学院,武汉430070 [4]交通运输部公路局,北京100736

出　　处：《建材世界》2024年第2期22-25,50,共5页The World of Building Materials

摘　　要：利用包钢高炉重矿渣碎石粗集料和石灰岩细集料,设计制备了C-C-2级配水泥稳定基层混合料,进行了其强度及抗冻性能研究。结果表明,水泥(PO32.5)剂量为3%时,C-C-2重矿渣水泥稳定混合料的7 d无侧限抗压强度可以达到5.0 MPa以上。随着水泥剂量的增加,混合料的7 d无侧限抗压强度增大。水泥剂量为4%时,C-C-2重矿渣水泥稳定混合料的最大干密度最大,同时,对于提高重矿渣水泥稳定混合料的180 d抗压强度和抗冻性能效果显著。Using air-cooled blast furnace slag coarse aggregate and limestone fine aggregate,C-C-2 graded cement stabilized base mix was designed and prepared,and its strength and frost resistance were studied.The results showed that the 7 d unconfined compressive strength of C-C-2 heavy slag cement stabilized mix could reach more than 5.0 MPa when the cement(PO32.5)dose was 3%,and the 7 d unconfined compressive strength of the mix increased with the increase of cement dose.The maximum dry density of C-C-2 heavy slag cement stabilized mixes was the largest when the cement dosage was 4%,and at the same time,it was effective in improving the 180 d compressive strength and frost resistance of cement stabilized air-cooled blast furnace slag mixes.

关 键 词：重矿渣 碎石 水泥稳定基层混合料 抗压强度 抗冻性能 

分 类 号：U414[交通运输工程—道路与铁道工程]