1Application study of ultrafine dry FGD byproduct in cement concreteSU Qingfa, CHEN Yongrui, Bob Jewell, Tom Robl, CHEN Hong, LAI Yiqiang, WU Muzheng, CHEN Jinsheng1-4,542Interlayer bonding property of a 3D printing cementitious materialWU Haoyi, JIANG Yaqing, PAN Tinghong, WANG Yu5-83Exploratory research on synergistic preparation of high belite sulphoaluminate cement with various industrial solid wastesSU Dunlei, LI Kexian, LI Qiuyi, ZHAO Guangquan9-134Study on flexural strength of nano-SiO2 and PVA fiber reinforced geopolymer mortarZHANG Peng, WANG Han, JIAO Meiju, YANG Yonghui, ZHANG Tianhang14-16,205Preparation of early strength micro-expansion cement-based groutingZHENG Jianchao, ZHOU Puyu, LI Guang, YANG Shunji17-206Research on mechanical properties and durability of low-grade coral concreteZHOU Wen, ZHOU Yongxiang, SONG Putao, FENG Peng, WANG Zuqi, WANG Jing21-24,317Experimental study on modification of volcanic slag full light concreteXIAO Liguang, LI Jiheng, ZHAO Zhuang25-278Effect of basalt fiber on cast-in-situ concrete performance of ballastless trackLI Linxiang, TAN Yanbin, XIE Yongjiang, LI Kang, YANG Lu, DU Xianggang28-319Study on capillary water absorption performance of coal gangue ceramsite concrete under freeze-thaw damageQIU Jisheng, GUO Peng, GUAN Xiao, WANG Bin, ZHANG Chenghua32-36,4610Study on characterization method of corrosion depth of surface concrete of sewage concrete structuresFAN Junjiang37-41,6511Research and application on crack-resistant concrete for main structure of Qingdao Metro StationZHANG Jian, XU Wen, WANG Yujiang, YE Shoujie, LIU Quanwei, CHANG Wei, WEN Quan42-4612Analysis and research of air entraining agents of concrete in domestic and foreign patent documentsBAI Yaifei, REN Yuying, WANG Dongmin47-5113Study on the performance of nano CaCO3 modified cement concreteYANG Jing52-5414Experimental study on preparation of organosilicone microemulsion and protection for concreteDAI Min, WANG Zhibo55-5815The application of potassium fluosilicate volumetric method for quantitative determination of silicon dioxide content in diatom oozeSONG Hongbo, LIANG Yu59-6116Development and application of polycarboxylate superplasticizer for functionalized prefabricated componentsLI Geli, FANG Yunhui, WU Chuandeng, LAI Guangxing, GUO Yuanqiang, MA Xiuxing62-6517Preparation and properties of a novel polycarboxylate high performance nano-seed crystal early strength water reducing compositeWANG Lixiu, FAN Ruibo, XU Zhongzhou, ZHU Jianing, GAO Wenfu66-68,7218Study on rheological parameters and application performance of viscosity modifying admixture for concreteZHONG Lina, FANG Yunhui, KE Yuliang, ZHANG Xiaofang, ZHU Shaohong69-7219Effect of polycarboxylate superplasticizer with different molecular structures on the properties of α-type high-strength gypsumWANG Xiang, ZHANG Peng, WU Peng, ZHANG Lei, GU Zhongliang73-7520Effect of synthesis parameters of polycarboxylate superplasticizer on the hydration and compatibility properties of cementLI Guoran76-79 