Research Fields:

The microstructure of concrete and its influence on durability
Smart concrete
Utilization of solid wastes in civil engineering  

Current Courses：

Civil Engineering Materials
Cement Chemistry
Concrete
Material preparation technology and experiments
Testing Technology of Materials        

Projects:

1) National Natural Science Foundation: Investigation on optimization of solid wastes blended mineral admixture compositions and transport properties based on the ITZ microstructure modification
2) National Natural Science Foundation: Study on the chloride response behavior and its binding mechanism of intelligent hydrogel loaded on lightweight aggregate in concrete            

Publications：

1) Wu Kai, Long Jiangfeng, Xu Linglin, Geert De Schutter, A study on the chloride diffusion behavior of blended cement concrete in relation to aggregate and ITZ[J]. Construction and Building Materials, 2019, 223: 1063-1073,
2) Sun Dandan, Wu Kai, Shi Huisheng, Saeed Miramini, Zhang Lihai. Deformation behaviour of concrete materials under the sulfate attack[J]. Construction & Building Materials, 2019, 210: 232-241.  
3) Wang Jun-Yan, Chen Zhen-Zhen, Wu Kai. Properties of calcium sulfoaluminate cement made ultra-high performance concrete: Tensile performance, acoustic emission monitoring of damage evolution and microstructure[J]. Construction & Building Materials, 2019, 208: 767-779.  
4) Xu Linglin, Liu Siyu, Li Nan, Peng, Yu, Wu Kai, Wang Peiming. Retardation effect of elevated temperature on the setting of calcium sulfoaluminate cement clinker[J]. Construction & Building Materials, 2018, 178(4):112-119.
5) Dandan Sun, Kai Wu, Wang Kang, Huisheng Shi,Shaolin Li, Characterisation of water stability of magnesium phosphate cement blended with steel slag and fly ash[J]. Advances in Cement Research, doi.org/10.1680/jadcr.18.00067
6) Wu Kai,  Kang Wang,  Xu Linglin,  Sun Dandan,  Wang Fazhou,  Geert De Schutter, Damage evolution of blended cement concrete under sodium sulfate attack in relation to ITZ volume content[J], Construction & Building Materials, 2018, 190(11): 452-465
7) Sun Dandan,  Wu Kai, Shi Huisheng, Zhang Liang, Effect of interfacial transition zone on the transport of sulfate ions in concrete[J], Construction & Building Materials, 2018, 192(12): 28-37
8) Xu Linglin, Wu Kai, Li Nan, Zhou Xiangyi, Wang Peiming. Utilization of flue gas desulfurization gypsum for producing calcium sulfoaluminate cement[J]. Journal of Cleaner Production, 2017, 161(17):803-811.
9) Xu Linglin, Wu Kai, Roessler Christiane, Wang Peiming, Ludwig, H. M. Influence of curing temperatures on the hydration of calcium aluminate cement/Portland cement/calcium sulfate blends[J]. Cement & Concrete Composites, 2017, 80(4):298-306.
10) Wu Kai, Shi Huisheng, Xu Linglin, Ye Guang, De Schutter Geert. Microstructural characterization of ITZ in blended cement concretes and its relation to transport properties[J]. Cement & Concrete Research, 2016, 79(1):243-256.   000367483000021
11) Wu Kai, Xu Linglin, De Schutter Geert, Shi Huisheng, Ye Guang. Influence of the Interfacial Transition Zone and Interconnection on Chloride Migration of Portland Cement Mortar[J]. Journal of Advanced Concrete Technology, 2015, 13(3):169-177.  000354385500007
12) Wu Kai, Shi Huisheng, Xu Linglin, Guo Xiaolu, De Schutter Geert, Xu Mingfeng. Influence of heavy metals on the early hydration of calcium sulfoaluminate[J]. Journal of Thermal Analysis & Calorimetry, 2014, 115(2):1153-1162.  000330729100021
13) Wu Kai, Shi Huisheng, De Schutter Geert, Guo Xiaolu, Ye Guang. Experimental study on alinite ecocement clinker preparation from municipal solid waste incineration fly ash[J]. Materials & Structures, 2012, 45(8):1145-1153.  000306217900002
14) Wu Kai, Shi Huisheng, De Schutter Geert, Guo Xiaolu, Ye Guang. Preparation of alinite cement from municipal solid waste incineration fly ash[J]. Cement & Concrete Composites, 2012, 34(3):322-327.  000300811600004
15) Wu Kai, Shi Huisheng, Guo Xiaolu. Utilization of municipal solid waste incineration fly ash for sulfoaluminate cement clinker production[J]. Waste Management, 2011, 31(9):2001-2008.  000294573500012