Research expertise in the Department mainly focuses on Sustainable Development of the Built Environment which includes: (1) Civil Engineering (including Structural, Geotechnical Engineering, Transportation, Smart City and Intelligent Construction Engineering and Management): Advanced Construction Materials (3D printing concrete; geopolymer concrete, ultra-high performance concrete; fiber-reinforced polymer composites, fiber-reinforced cementitious composites); Rheology control of cementitious materials; Carbon capture; Waste recycling and upcycling; Environmental  microbiology and biotechnology; Computational mechanics; Engineering mechanics; Nano-mechanics; Composite structures; Multiscale modeling; Wind engineering; Hydrology; Computational Fluid Dynamics (CFD); Seismic response and disasters; Structural integrity and diagnosis; Repair and strengthening of existing structures; Climatic change and hazard mitigation; Experimental soil mechanics; Micromechanics of soils; Machine learning and data analytics in geotechnical engineering; Geotechnical risk; Reliability and uncertainty; Landslides; Transportation; Pedestrian flow; Pavement materials and structures; Smart city development; Big data for construction project management; Construction robotics and human-robot interaction; Building information modeling and digital twin; AI-generated contents. (2) Architectural Engineering: Building systems and facilities management; Building sustainability; Building energy efficiency; Green and low-carbon buildings; Advanced ventilation; Natural and artificial lighting; Thermal comfort; Indoor and regional air quality; Fire safety engineering, Fire Evacuation.  (3) Architecture:  Construction and land economy; Architectural design, history, theory, ecology and technology; Landscape architecture; Architectural science. (4) Surveying and Urban Planning: Building information modelling; Building contracts and laws, and Disputes and resolutions; Real estate development, Urban climate; Urbanism, urban design and planning; Digital twin; Blockchain.