(The following related topics can also be submitted)
Theme 1 Civil Architecture:
Civil engineering structures
Advanced Engineering Technology
Engineering Structure and Seismic Resistance
building technology 
concrete structure
Construction and Control
Testing and renovation
Mechanical analysis
underground structure 
Structural repair, renovation, and reinforcement
steel structure
Metal structure
seismic design 
Earthquakes and seismic motion
Principles of Seismic Structural Design and Calculation
building material
Green buildings
Ecological architecture
Renewable Energy and Building Energy Conservation
Intelligent buildings
Building renovation
Building information modeling
Masonry structure/bridge seismic resistance
Structural dynamic analysis
Structural selection and layout
Vibration reduction and isolation technology
Bearing capacity verification
Earthquake action verification
Analysis and Prevention of Major Engineering Accidents
Seismic reinforcement and renovation
Predictive maintenance
Wireless transformation
Building Equipment Automatic System
Communication System Engineering
Security monitoring and anti-theft alarm system engineering
Garage management system engineering
Integrated Property Management System Engineering
Theme 2 Water Resources:
hydraulics
Engineering Hydrology
Water conservancy and hydropower calculation
Hydrology and Water Resources
Water resource planning and utilization
Construction of hydropower stations
Water conservancy engineering and management
Port and Shipping
Hydropower planning
Flood control and drought resistance management
Agricultural water conservancy
water and soil conservation
Hydraulic machinery
Theme Three Urban Engineering:
Smart City
Urban planning and design
Environmental sustainability
Intelligent travel
Smart City Data Analysis
Visual City Data Analysis
Smart grid management
The Belt and Road Development
Intelligent Transportation Analysis and Planning Management
Big Data and Transportation Management
Transportation infrastructure
traffic engineering 
water treatment works
Water supply and drainage engineering
Tunnel, subway, and underground facility engineering
communication engineering
Fire engineering
Disaster prevention engineering
Waste disposal
Ecological construction and intelligent control
Urban pollution control engineering