2021 4th International Conference on Civil, Architecture, Hydropower and Engineering Management (CAHEM 2021) was held ceremoniously online on October 30-November 1, 2021. Thanks to the support of experts and scholars! A total of 280 participants attended the conference, including 9 keynote speakers to share academic reports. 

Prof. Liaojun Zhang，Hohai University

Speech Title: Intelligent integrated modeling, simulation and vibration control of hydropower plant

Prof. Zhiqiang Zhang, Southeast University

Speech Title: Research on Human-induced Response and Vibration Control of Large-Span Floor Structure

Prof. Qingqing Guan，Kunming University of Science and Technology

Speech Title: Research on Hydrothermal and Chemical Treatment Technology of Solid Waste

Prof. Lili Dong, Chongqing Jiaotong University

Speech Title: Research on Three-dimernisionat Greening Technology of Chongqing's Existing Pablic Buildings

Prof. Ting Tan, Sun Yat-sen University

Speech Title: An expansion based on marine civil engineering materials

Prof. Jing Li, Yunnan Agricultural University

Speech Title: Preparation and innovative application of bio-functional materials based on hemp stalk

Prof. Yilin Yin, Tianjin University of Technology

Speech Title: New engineering consulting: a new consulting industry integrating recruitment, supervision and manufacturing

A. Prof. Xiaoying Deng, Kunming University of Science and Technology

Speech Title: Thoughts on the cultivation of property service personnel based on the construction of high-standard property service market system

Prof. Faxing Ding, Central South University

Speech Title: Theory of Damage Ratio of Concrete and Isotropic Rock

Jingxian Shi, Kunming University of Science and Technology Oxbridge College

Speech Title: Seismic Strengthening Test and PUSHOVER Analysis of Concrete Arch Bridge Column  

Lin Mo, Kunming University of Science and Technology Oxbridge College

Speech Title: Sustainable Design Strategy of Expo 2020 Dubai

Yufan Fan, Kunming University of Science and Technology Oxbridge College

Speech Title: Change characteristics of shear strength of acid-contaminated red clay under soaking  

Jinnan Guo, Yunnan Agricultural University

Speech Title: Research Report on Comprehensive Application of Node Method and BIM Technology 

Cheng Li, Kunming University of Science and Technology

Speech Title: Determination of mechanical properties of steel mesh and analysis of uncertainty  

Yongxin Zhang, Wenzhou University

Speech Title: The impact of exterior windows and shading on building energy consumption