Xiaojuan Peng, female, born in 1982, doctor of engineering, associate professor, deputy director of the Department of Mechanics, School of Civil Engineering. Ph. D. of Southwest Jiaotong University, postdoctoral fellow, Institute of Fluid Physics, China Academy of Engineering Physics. Research interests: experimental and numerical simulation of dynamic response of materials under high speed impact, molecular dynamics of adsorption of heavy metal ions by typical soil components, mechanical properties of cement-based composites, and molecular dynamics simulation of transport properties of cement-based composites and silicate systems. He has presided over and researched 6 national projects and 10 provincial and ministerial projects. He has published 3 SCI papers as the first author.