1Influence of Carbon/Steel Fiber on Conductivity of Alkali-Activated Conductive MortarLÜ Wenfang, ZHA Wenhua, LI Jielian, XU Tao, YIN QianResearch Papers393-4032Theoretical Model for Critical Chloride Content at Rebar Depassivation Based on Corrosion ThermodynamicsLI Chenzhi, SONG Xiaobin, JIANG ChaoResearch Papers404-4103Fabrication and Performance of New Composite Free Water Reducing Material for Muck ImprovementWANG Jie, GUO Teng, JIANG Yu, YANG AiwuEngineering Applications411-417,4644Effects of Aerogel and Perlite on Properties of Foamed CementQU Wanying, LIU KailuResearch Notes418-424,4645Hydration Mechanism and Durability of Calcined Phosphogypsum Slag Cement ConcreteLIAO Yishun, JIA Xiqiang, WAN Shihui, CAI Zhonghui, LIU JiaResearch Notes425-4336Synergistic Carbon Sequestration Properties and Microstructure of Steel Slag-Granulated Blast Furnace Slag Based Cementitious MaterialsTIAN Wei, WAN Jiahao, CHENG Xu, ZHANG Jingsheng, GUO JianResearch Notes434-4417Construction and Performance of 3D Hydrophobic Microstructure in Foam ConcreteLI Jingkun, LUO Bin, LU Shuo, JIANG DongbingResearch Notes442-4488Mechanical Properties of Solid Waste Based Artificial Aggregate ConcreteHAN Dandan, CHEN Yonghui, KONG Gangqiang, CHEN Geng, CHEN LongResearch Notes449-4579Mechanical Properties of FRP-Confined Phosphogypsum Based GeopolymerWANG Yongrui, CHEN BingResearch Notes458-46410Rheological Behavior and Parameter Prediction of Steel Slag-Mineral Powder Based GeopolymerYU Li, ZHANG Shuxiang, ZHU Tao, YANG Qingning, ZHANG DongshengResearch Notes465-47611Thermodynamic Properties of High-Strength Steel Wire under High TemperaturesLIU Zhi, LI Guoqiang, ZHENG HuakaiResearch Notes477-48212Molecular Dynamic Simulation of Alkali-Activated Materials Based on Quantitative XRDWANG Qing, LI Hewei, DING Zhaoyang, ZHANG Qiang, ZHAO MingyuResearch Notes483-490