1Mechanism of Citric Acid and Ammonium Citrate Tribasic on Improving Water Stability of Magnesium Oxychloride CementGU Kang, CHEN Bing441-4462Corrosion Resistance to Chloride and Sulfate Salt Attack of Steel Bar-Cement Mortar Containing Coal MetakaolinLI Chuang, FAN Yingfang, WANG Yaoyu, LI Qiuchao447-4533Water Film Thickness Model of Cement Paste Considering the Effect of SuperplasticizerZHENG Dan, XIN Quanhao, LIANG Yuntao454-4604Influence of Anti-dispersant on the Performance of Underwater 3D Printing Building MortarYANG Qianrong, ZHAO Zongzhi, JIANG Zhengwu461-469,4825Manufacture and Mechanical Properties of 3D Printing Cement Based Materials For Washable FormworkSUN Xiaoyan, CHEN Jingxuan, WANG hailong, ZHANG Jing470-4766Performance and Mechanisms of Magnesia-Phosphate Cement-Based Material Used for Ultra-Thin-Layer Rehabilitation of Airport RunwaysYANG Quanbing, WANG Wei, WU Fangzheng, SUN Nafeng477-4827Effect of Basalt Fiber on Failure of Reactive Powder Concrete under Uniaxial CompressionYANG Liyun, LIN Changyu, ZHANG Fei, XIE Huanzhen, WANG Ziyang483-4898Damage Evolution Law and Mechanism of Concrete under Cryogenic Freeze-Thaw CyclesZHOU Dawei, LIU Juanhong, DUAN Pinjia, CHENG Linian, LOU Baichuan490-4979Dynamic Mechanical Properties of Recycled Concrete under Uniaxial CompressionBAI Weifeng, LI Silei, GUAN Junfeng, ZHENG Yongjie, YUAN Chenyang498-50810Optimization and Prediction for Anti-washout Ability of Underwater Concrete Based on Factorial DesignZHANG Ying, SUN Guowen, ZHANG Guoqiang, WANG Caihui, WANG Yaqian509-51511Salt-Freezing Damage Performance of Coal Gangue Powder/Polyester Fiber Asphalt MixtureWU Jinrong, ZHANG Tao, LI Fei516-52412Effect of Alternating Temperature on Corrosion Resistance of Reinforcements in Fine Coral Aggregate ConcreteFENG Xingguo, FAN Qiqi, YANG Yang, LU Xinwei, LU XiangyuResearch Notes525-53113Experimental on Mix Proportion of Restoration Soil for Kaifeng City WallYUE Jianwei, YANG Xue, ZHAO Limin, ZHANG DaweiResearch Notes532-536,54414Strength Evolution Law and Mechanism Analysis of Asphalt Mixtures during Water SaturationREN Minda, FENG Hanqing, CONG Lin, LIU RenweiResearch Notes537-54415Permeability and Pore Structure of Improved Isolation Wall under the Action of Dry-Wet/Freeze-Thaw CyclesLIU Ke, LIU Lin, ZHANG YongpengEngineering Applications545-550 