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Civil and Environmental Engineering

Name	Research Interests
Assoc Prof (Adj) A P Gopinath Menon	Road congestion pricing, traffic management, public transport, road safety engineering
Asst Prof Chang Wei-Chung	Dr. Chang's areas of research include the investigation of air pollutions from mobile combustion sources, physical and chemical process of ultrafine particle evolution, indoor air quality, and human exposure analysis. He also shows interests in HVAC and air purification system using photocatalytic reaction and automation. He has working with multi-discipline collaborators including mechanical engineering and electrical/electronic engineering.
Asst Prof Chen Yan	Deployable Structures, Design, Analysis and Control Cell mechanics Mechanism Theory Morphing Structures Re-configuration and Multi-configuration Structures Computational Mechanics Topology Optimisation
Assoc Prof Cheng Niansheng	Prof Cheng Nian-Sheng's areas of expertise are hydraulics, sediment transport and turbulence. His current research works focus on open channel flows with vegetation, turbulent flows over dune-covered bed, and simultaneous measurements of two-phase flows.
Assoc Prof Chiew Sing Ping	Fatigue and fracture of steel structures Advanced building materials Structural stability Tubular structures Steel and composite construction
Prof Chiew Yee Meng	He has had more than 25 years of research experience in many aspects of fluvial, hydraulic, coastal and offshore engineering. His particular research interest is in the area of erosion, sediment transport and turbulence. In addition to his research activities, Dr Chiew provides extensive consulting services to the engineering industries, both internationally and in Singapore. He was the Chairman of the 2nd International Conference on Scour and Erosion (ICSE-2) that was held in Singapore in November 2004. SELECTED PUBLICATION LIST 1. Chiew, Y. M. "Mechanics of Local Scour Around Submarine Pipelines" Journal of Hydraulic Engineering, ASCE, vol. 116, no. 4, 515-529, 1990. 2. Chiew, Y. M. "Scour Protection at Bridge Piers" Journal of Hydraulic Engineering, ASCE, vol. 118, no. 9, 1260-1269, 1992. 3. Chiew, Y. M. and Parker, G. "Incipient Sediment Transport on Non-Horizontal Slopes" Journal of Hydraulic Research, IAHR, vol. 32, no. 5, 649-660, 1994. 4. Chiew, Y. M. "Mechanics of Riprap Failure at Bridge Piers" Journal of Hydraulic Engineering, ASCE, vol. 121, no. 9, 635-643, 1995. 5. Song, T. and Chiew, Y. M. and Chin, C. O. "Effect of Bedload Movement on Flow Friction Factor" Journal of Hydraulic Engineering, ASCE, vol. 124, no. 2, 165-175, 1998. 6. Cheng, N. S. and Chiew, Y. M. "Turbulent Open-Channel Flow with Upward Seepage" Journal of Hydraulic Research, IAHR, vol. 36, no. 3, 415-431, 1998. 7. Melville, B. W. and Chiew, Y. M. "Time Scale for Local Scour at Bridge Piers" Journal of Hydraulic Engineering, ASCE, vol. 125, no. 1, 59-65, 1999. 8. Cheng, N. S. and Chiew, Y. M. "Incipient Sediment Motion with Upward Seepage" Journal of Hydraulic Research, IAHR, vol. 37, no. 5, 665-681, 1999. 9. Ming, D. H. and Chiew, Y. M. "Experimental study for shoreline changes behind a detached breakwater" Journal of Waterway, Port, Coastal, and Ocean Engineering, ASCE, vol. 126, no. 2, 63-70, 2000. 10. Chiew, Y. M. and Lim F. H. "Failure behavior of riprap layer at bridge piers under live-bed conditions" Journal of Hydraulic Engineering, ASCE, vol. 126, no. 1, 43-55, 2000. 11. Song, T. and Chiew, Y. M. "Turbulence Measurement in Non-Uniform Open Channel Flow Using an Acoustic Doppler Velocimeter (ADV)". Journal of Engineering Mechanics, ASCE, vol. 127, no. 3, 219-232, 2001. 12. Chiew, Y.M. "Failure Mechanisms of Riprap Layer around Bridge Piers". Invited Paper (Plenary Section) in Proc. of First Int. Conf. on Scour of Foundations (ICSF-1), Vol. 1, 70-91, 2002. 13. Chen, X. W. and Chiew, Y. M. "Response of Velocity and Reynolds Stress Profiles to Sudden Change of Bed Roughness in Open-Channel Flow". Journal of Hydraulic Engineering, ASCE, vol. 129, no. 1, 35-43, 2003. 14. Chen, X. W. and Chiew, Y. M. "Velocity Distribution of Turbulent Open Channel Flow with Bed Suction". Journal of Hydraulic Engineering, ASCE, vol. 130, no. 2, 140-148, 2004. 15. Chiew, Y. M. "Local Scour and Riprap Stability at Bridge Piers in a Degrading Channel". Journal of Hydraulic Engineering, ASCE, vol. 130, no. 3, 218-226, 2004. 16. Lu, Y., Chiew, Y.M. and Cheng, N. S. "Review of seepage effects on turbulent open-channel flow and sediment entrainment". Journal of Hydraulic Research, IAHR, 46(4), 476-488, 2008.
Assoc Prof Chu Jian	Dr Chu's area of expertise includes labotrory and in-situ testing, soil properties, ground improvement, land reclamation, and waste utilisation. My research focus areas at the present are: (1) Instability behaviour of granular soil; (2) Innovative ground improvement methods including the use of microbial technologies; (2) Waste utilisation; and (4) Disaster mitigations.
Asst Prof Chua Hock Chye Lloyd	Prof Chua's areas of expertise are in urban hydrology and surface water quality. His current research works focus on rainfall runoff modeling, urban runoff water quality and sediment discharge.
Asst Prof Dong Zhili	Dr. Dong has more than twenty years experience in transmission electron microscopy and X-ray diffraction of materials. His research interests include open-framework materials, nanostructured functional materials, advanced coatings and materials synthesis.
Prof Fan Shing Leung, Henry	Dr Fan has interests in mathematical modelling and computer simulation of transport systems, transport planning, congestion management, sustainable transport infrastructure, and airport planning and design.
Prof Fung Tat Ching	Prof Fung's areas of expertise are Computational Mechanics and Structural Engineering. His current research works focus on structural behaviour of tubular joints and the design of higher order time-step integration algorithms.
Assoc Prof Gin Yew-Hoong Karina	A/P Karina Gin?s research interest is in the area of water quality, where her expertise lies in the development of flow cytometry protocols for the rapid detection of pathogens and microorganisms; eutrophication; water quality monitoring and modelling of reservoir/catchment systems; development of analytical techniques for the detection of trace organic contaminants; and the study of fate processes of trace organics and pathogens in reclaimed and natural waters. Her current research works focus on 1) the occurrence and fate of enteric viruses in tropical surface waters; 2) the molecular basis of formation of viable but non-culturable bacteria (VBNC); 3) emerging organic contaminants in a tropical urbanised catchment/reservoir; 4) toxic cyanobacteria in tropical waters and 5) the development of online bacteria detection systems.
Assoc Prof Goh Teck Chee, Anthony	In recent years, A/P Goh's research has been concentrated in three areas: (a) He has pioneered, and is at the forefront of research into the use of artificial intelligence (AI) methodologies for solving civil engineering problems. His journal publications have often been cited, particularly in the area of seismic liquefaction assessment. (b) He has been at the forefront of research into studying braced excavations in clays, and the effects of lateral soil movements from excavation and embankment construction activities on existing piles. (c) He has pioneered research to study the stability of excavations using the finite element method. Recently, he has pioneered work to incorporate uncertainty and reliability concepts into the design of geotechnical structures and to assess their serviceability performance.
Prof Harianto Rahardjo	Rainfall - induced landslides: mechanism, assessment, characterisation, instrumentation and preventive measures Unsaturated Soil Mechanics: laboratory testing, field measurements and numerical modelling Behaviour of tropical soils: shear strength, air and water flows, suction measurements Soil improvement for tree stability Laboratory soil testing for saturated and unsaturated soils Specialised soil testing techniques and their interpretation Analytical techniques in geotechnical engineering
Asst Prof Huang Yin-Nan	Professor Huang's research interests include performance-based seismic design and loss assessment,seismic protective systems, large-scale dynamic testing and blast engineering.
Asst Prof Huang Zhenhua	Professor Huang's areas of expertise are Hydrodynamics, Environmental fluid mechanics, Coastal and Ocean engineering. His current research works focus on Nonlinear wave-structure interactions; Large scale circulations and transport phenomena in coastal waters; Nonlinear wave dynamycs over coral reef; Shoreline erosion; Wave energy converters; Tsunami hazard mitigation; Flows in porous media.
Asst Prof Jim Chen Chin-Kuang	Computational Fluid Dynamics Molecular Dynamics Turbulent Flow Colloidal Transport Nano-fluidics
Assoc Prof Karl Wolfgang Mueller-Wittig	Associate Professor Dr. Wolfgang Mueller-Wittig areas of expertise are computer graphics, real time rendering, Virtual & Augmented Reality, and GPGPU. Current research work focus on the use of GPU for high performance computational biology (e.g., bio-sequence alignment). He is also involved in the SMART-CENSAM (Centre for Environmental Sensing and Modeling) project and responsible for the development of a visualization platform for interactive evaluation and exploration of dynamic environmental models. Further research include cultural heritage (e.g., Virtual Peranakan) and the generation of new learning environments using interactive & digital media (e.g., Augmented Reality Chinese Language Learning Game, Virtual NanoTechZoo, Augmented Physics Lab).
Assoc Prof Khong Poh Wah	-project management -management of technology -patent technology -sustainable development
Asst Prof Kusnowidjaja Megawati	Prof Kusnowidjaja Megawati's areas of expertise are structural dynamics, earthquake engineering and engineering seismology. His current research works focus on seismic and tsunami hazard assessment, seismic site response analysis and microzonation, seismic performance of structure subjected to long-duration ground motion, and seismic response of sedimentary basin structure.
Assoc Prof Law Wing-Keung, Adrian	Research in environmental fluid mechanics with special emphasis on wastewater disposal and impact, environmental hydraulics in wastewater treatment processes, pollutant transport in coastal environment, and advanced laser imaging techniques for measurements.
Assoc Prof Lee Chi King	Reliable error estimation procedures for finite element analysis Automatic accurate adaptive finite element analysis for solid mechanic Computer graphic and automatic mesh generation procedures using advancing front technique for finite element analysis Meshless methods (e.g. EFGM and RKPM) Generalized and extended finite element methods Fatigue analysis of tubular joints Steel structures Use of high and ultra strength steel in construction
Assoc Prof Leong Eng Choon	Unsaturated soils, soil dynamics, field and laboratory tests, foundation engineering and numerical modelling. Current research projects include: 1. Dynamic properties of Singapore soils 2. Instrumentation for the Study of Rainfall - Induced Slope Failures in Singapore 3. Soil Improvement for Tree Stability and Tree Root Systems 4. Slope Repair Technology in Singapore 5. Development of specialised container technology for growing trees in Singapore
Assoc Prof Li Bing	Earthquake and Blast Resistant Design: Seismic and blast resistant design of reinforced concrete buildings and buildings incorporating precast concrete elements. Development blast testing for explosive effects on reinforced concrete structures. Structural Concrete: Design and behavior of reinforced and precast concrete structures, reinforcement detailing and cyclic strut-and-tie models. Structural Dynamics: Non-linear dynamic response of buildings subjected to blast and seismic loadings. Probabilistic performance assessment of reinforced concrete structures in blast environments.
Assoc Prof Lie Seng Tjhen	Numerical Fracture Mechanics Boundary Element Method Symmetric Galerkin Boundary Element Method Fatigue of welded joints and structures Fracture of cracked welded joints and structres Development of Failure Assessment Diagram
Assoc Prof Lim Siow Yong	Fluvial and open channel Hydraulics, sediment transport and scouring phenomena.
Assoc Prof Lim Teik Thye	Prof Lim's scope of research projects encompasses both practical application of environmental technologies for pollution control and investigation of the process fundamentals. His core areas of research interest focus on application of advanced oxidation processes for water and wastewater treatment, developing novel functional materials for water purification, and developing innovative subsurface remediation technologies. He has over the years developed a range of nanomaterials for treating organic and inorganic micropollutants in surface waters, industrial wastewaters, and groundwater. He has also worked on projects exploring innovative use of industrial wastes for various applications, such as construction, earthwork, and environmental preservation. His current research projects are as follows: Novel photocatalysts This research engineers a novel photocatalyst for enhancing photocatalytic redox processes under solar radiation to remove emerging contaminants in water. It leverages off the complementary strengths among environmental process engineering, materials engineering and advanced materials characterization to develop a new-generation photocatalyst system. The advanced photocatalyst is a composite of nitrogen-doped titania (N-TiO2) supported on the powdered activated carbon (AC), or N-TiO2/AC. The composite have dual functionality, exhibiting high adsorptive properties for a variety of organics and photoactivity under visible light. The synergistic properties of the N-TiO2/AC composite enables its on-site regeneration, producing zero waste stream. Selective nanoporous adsorbents The goal is to develop various functional nano-structured materials such as layered double hydroxides (LDHs), zeolites, calcium aluminosilicates and nanoporous carbons to selectively adsorb trace inorganic contaminants, organic contaminants, and biomolecules that are difficult to be sequestrated using conventional adsorbents. The materials, such as LDHs and zeolites, can also function as catalysts to remove recalcitrant contaminants in water and air. Several types of LDHs have been synthesized in our laboratory. The LDHs have been evaluated for sorption of Cr(VI), As(III), As(V), Se(VI), and other oxyanions found in groundwater, surface waters and industrial wastewaters. Removals of up to 99% of certain oxyanions are possible. Bimetallic zerovalent metal particles The research group has synthesized nano-scale, bimetallic particles such as Ni/Fe and Pd/Fe for catalytic reductive transformation of halogenated alkanes and haloaromatics. The transformation pathways for these contaminants have been established for different types of synthesized bimetallic particles, through kinetic and mechanistic examinations of the experimental findings. The effects of catalyst content and particle ageing on their reactivities are investigated. Aqueous matrix effect on the transformation kinetics has been also examined in order to understand the possible performance of these reactive particles in industrial wastewater and contaminated groundwater.
Assoc Prof Liu Yu	Dr. Liu has about 20 years of experience in environmental biotechnology, and has the interests in biological nutrient removal, biogranulation and biofilm technology, molecular mechanism and cellular signaling of biogranulation, granular sludge membrane bioreactor, enhanced anaerobic process for low-strength organic wastewater treatment and integrated approach for water reclamation.
Assoc Prof Liu Yunhua	Dr. Liu Yunhua's research area covers international economic relations of Asian countries, Chinese economy, and urban economics. His articles are published in journals of Economic Development and Cultural Change, Applied Economics, Journal of Policy Modeling, China Economics Review, Global Economy Journal, ASEAN Economic Bulletin, and Quarterly Review of Economics and Finance. He teaches the courses of principles of economics, international economics (undergraduate and graduate level), urban and transport economics.
Assoc Prof Lo Yat-Man, Edmond	Application of hydrodynamics to coastal and inland water flows with emphasis on wave mechanics, transport processes and implications on water quality.
Assoc Prof Lok Tat Seng	Physical countermeasure assessment Assessment of conventional weapons' effects Air blast and ballistic-resistant design Material behaviour at high-strain rate
Assoc Prof Low Bak Kong	Dr Low's areas of research interest are reliability analysis in geotechnical engineering, soil and rock slope stability, ground improvement, rock engineering, and engineering analysis accounting for uncertainty. His current research works focus on deterministic analysis and probabilistic approach in connection with stability and displacement issues in underground construction in rocks.
Assoc Prof Low Seow Chay	Singapore Politics - The philosopy and operation of the ruling party Biodiesel- chemical membrane reactor, winterisation and rapid production process Membrane Bioreactor - vibrational MBR; modelling of membrane fluid in MBR Internal Combustion Engine - Pressure wave and gasoline/gas in-cylinder injection combustion system
Asst Prof Low Ying Min	Floating offshore structures, Structural dynamics, Random vibrations, Mooring/riser systems, Reliability analysis
Assoc Prof Lu Guoxing	Prof Lu's primary research interest is fundamentals in impact and crashworthiness of structures and materials, which can be applied to design of vehicle structures such as automobiles and aircraft. He has conducted extensive in-depth studies of crashing of thin-walled structures, ductile tearing behaviour of metals, mechanical properties of novel cellular materials such as honeycombs and aluminium foams. His recent interests are the behaviour of novel sandwich panels subject to impact and blast loadings, buckling of nanotubes and mechanics of cells.
Prof Lua Aik Chong	Professor Lua's areas of expertise are the development of activated carbons for adsorbing gaseous and aqueous pollutants and measurement of flow rates. His current research activities are the preparation and characterization of activated carbons, adsorption technology for air pollution and water filtration, development of polymeric membranes for gas separation, measurement of flow rates using fluidic flowmeters and measurements of particulates and gas emissions from diesel engines.
Dr Lum Kit Meng	Intelligent Transportation Systems Pavement Materials and Design Traffic Safety and Management Operations Research and Simulation
Assoc Prof Ma Guowei	Rock Dynamics, Impact and Explosion Mechanics, Constitutive Modeling of Materials, Protective Design of Structures, Discontinuous Deformation Analysis.
Prof Ng Wun Jern	NG WUN JERN's research interests are largely in the area of water and wastewater management. The focus of his efforts has been on investigations into water quality, treatment science, and development of treatment technologies. These investigations span the water quality spectrum - ranging from ultra-pure water to high strength and potentially inhibitory wastewaters. His research output may be found in some 400 publications. These include journal papers, conference presentations, book chapters and monographs, reports, and patents. His latest book publication is titled "Industrial Wastewater Treatment" (Imperial College Press). He is currently working with colleagues on a book on engineered wetlands in tropical applications and one on water reclamation. Current R&D interests revolve around effluent treatment and include dehalogenation under bioreductive conditions. Of particular interest are the chloro-compounds and dehalogenation under acidic conditions with biomass sculptured into granules. The interest in bioreductive (instead of bio-oxidative) processes stems from concern over energy costs and carbon footprints of treatment processes. Anaerobic processes are therefore of interest when used to manage strong wastewaters from industrial and agro-industrial sources. Current R&D interest focuses on thermophilic anaerobic processes and gas productivities and quality. Conceptually there is a shift from viewing the anaerobic process as a wastewater pretreatment device to one which is intended to recover energy from the wastewater. Extending this interest is the work on biosorption where sorption is used to concentrate carbonaceous material from low strength wastewaters prior to anaerobic degradation of the sorbent with gas recovery. This approach deviates from the conventional approach of using anaerobic processes such as the UASB or anaerobic filter to address low strength wastewaters. Laboratory studies typically use the cyclic process configuration although larger scale studies can be with the cyclic or continuous flow configuration. In aerobic treatment, there is interest in the MBR applied with granulated biomass. The interest is on biofouling mitigation using this modified biomass morphology. There is also interest in using the MBR and the concept of "back seeding" to achieve better nutrients removal and degradation of resistant organics (eg textile dyes).
Asst Prof Qin Xiaosheng	Research interests: - Water resources planning and management - Hydrological modeling and watershed management - Contaminant transport modeling and site remediation - Climate change impact assessment and adaptation planning - Environmental risk assessment - Solid waste management Selected publications: - Qin, X.S., Huang, G.H., Zeng, G.M., Chakma, A. 2008. Optimization of dual-phase vacuum extraction to remove nonaqueous phase liquids in subsurface. Water Resources Research, 44, W04422 - Qin, X.S., Huang, G.H., Li, Y.P., 2008. Risk management of BTEX contamination in ground water - an integrated fuzzy approach. Ground Water, 46: 755-767 - Qin, X.S., Huang, G.H. et al., 2007. Journal of the Air & Waste Management Association, 57:535-550 - Qin, X.S., Huang, G.H. et al., 2007. An interval-parameter fuzzy nonlinear optimization model for stream water quality management under uncertainty. European Journal of Operational Research, 180:1331-1357 - Xi, B.D., Qin, X.S., Su, X.K., Jiang, Y.H., and Wei, Z.M., 2008. Characterizing effects of uncertainties in MSW composting process through a coupled fuzzy-vertex and factorial-analysis approach. Waste Management, 28(9): 1609-1623. - Liu, Y., Guo, H.C., Zhou, F., Qin, X.S., Huang, K., and Yu, Y.J., 2007. An inexact chance-constrained linear programming model for optimal water pollution management at the watershed scale. Journal of Water Resources Planning and Management (ASCE). 134(4): 347-356.
Assoc Prof Seah Leong Keey	Phase-resolved Imaging, Latent Fingerprint Imaging, Strain Measurement, Thin-Walled Structures, Buckling Analysis, Structural Behaviour,
Assoc Prof Shuy Eng Ban	Research Interests: 1. Urban hydrology, integrated urban storm water and water resource management, including quantity and quality modelling of urban storm runoff and reservoir waters 2. Open channel and closed conduit hydraulics 3. Analysis and control of water hammer in pipelines 4. Groundwater : Aquifer storage and recovery 5. Air pollutant dispersion modelling 6. Density stratified flow 7. Enhanced engineered wetland systems for stormwater management 8. Sustainable urban drainage system (SUDS)
Prof Soh Chee Kiong	smart materials and structures, evolutionary computing and offshore engineering.
Asst Prof Srinivasan Madhavi	Asst.Prof. Madhavi Srinivasan areas of expertise are in Energy storage devices (lithium ion batteries,zinc-air batteries/fuel cells, supercapacitors), Ecomaterials (photocatalysts, ion-exchange ceramic membranes) and synthesis/characterization (XPS, XRD, SEM/TEM and spectroscopy) of nanostructured materials. Her current research works focus on employing functionalized carbon nanotubes SWNT/MWNT)and decorated CNTs as electrodes in batteries/supercapacitors. Her ongoing work involves fabrication of nanostructures of transtion metal oxide and metal nanoparticles and optimization of their adhesion on to carbon-based materials.She is also working on visible light photocatalysts such as perovskite and nitrogen doped titania along with activated carbon.
Assoc Prof Sun Delai, Darren	- TiO2 nanofibe/tube membrane for water and energy (H2 and solar cell) production - Membrane fouling mechanism, control and prevention - Multifunctional membrane module design - Membrane bioreactor design - Composite membranes and membrane modules for environmental applications - Biofilms grown on liquid-permeable membranes - Reutilization of waste into value-added product.
Assoc Prof Tan Kang Hai	A/P Tan's research interests include structural fire engineering, strut and tie modelling of reinforced concrete structures, progressive collapse analysis and testing of structures, finite element programs for heat transfer analysis and nonlinear structural analysis and evacuation modelling using cellular automata.
Assoc Prof Tan Soon Keat	Dr Tan's research interests include application of geographical information system in water resources, numerical simulation of flow for hydraulics and coastal engineering applications.
Asst Prof Tang Chuyang	Dr Tang's main research interests include membrane technology, surface and interfacial science, and advanced physical and chemical processes. He is experienced in membrane characterization, membrane fouling mitigation, and emerging contaminants removal using reverse osmosis (RO) and nanofiltration (NF) membranes. He has been working on membrane separation and membrane fouling, for which he has extensively involved in characterizing the physiochemical properties of membranes and foulant layers, performing fouling and rejection tests, and modeling membrane performance behaviors. He has studied the removal of perfluorinated surfactants, a group of emergent contaminants, by RO and NF membranes from wastewater, where he elucidated the possible mechanisms using a range of different characterization tools together with LC/MS/MS. Dr Tang has also worked on fouling characterization of membrane bioreactors (MBRs). He is interested in the application of surface, interfacial, and colloidal science in aquatic systems, such as the adsorption of micropollutants onto nano-materials and the use of photocatalysts for trace organics removal from aqueous solutions.
Prof Tay Joo Hwa	Waste recycling and reuse. Hazardous waste management. Biotechnological applications on wastewater treatment. Membrane filtration technology. Advanced oxidation processes technology. Sludge management.
Assoc Prof Teh Cee Ing	Application of numerical and computational methods to geotechnical engineering. In-situ testings and interpretations. Ground improvement.
Assoc Prof Teng Susanto	Dr. Teng's research interest covers wide areas related to the behaviour of concrete structures under various static and dynamic loading, such as: behaviour of precast joints and buildings subjected to earthquake and blast loading, design of prestressed and reinforced concrete flat plate and flat slab floor systems, punching shear and moment transfer in slab-column connections, high-strength concrete columns, strut-and-tie modeling of concrete members, finite element analysis of concrete structures, behaviour of tall buildings subjected to wind and earthquake forces, etc. Some of his current research activities include: slab-column connections subjected to gravity and bi-directional lateral loadings, Strut-and-Tie Model for concrete members, strength of high strength concrete columns, tall buildings subjected to wind loads.
Assoc Prof Tiong Lee Kong, Robert	Areas of research interests: 1. catastrophe risk assessment and management 2. alternative risk transfer mechanisms and financing 3. catastrophe micro-insurance 4. sustainable development and systems, 5. impact of climate change, carbon finance and carbon emission reductions 6. integrated risk analysis
Assoc Prof Tor Yam Khoon	Automation of geospatial applications Precise engineering and industrial surveying Monitoring and analysis of deformation Engineering application of GPS survey Digital photogrammetric survey
Asst Prof (Adj) Tuti Mariana Lim	Dr. Lim's areas of expertise include resources recovery particularly for rare earth elements separation by solvent extraction which was her PhD research topic. She was also involved in clean energy research during her undergraduate study and her final year project was on the development of Vanadium Battery technology. She was the recipient of Commonwealth Scientific and Industrial Research Organization (CSIRO) summer vacation scholarship in 1990-1991 to investigate the effect of pressure and temperature on the solubility of natural gas in LPG. Dr. Lim's current research interests include advanced oxidation technologies, hybrid membrane technologies and renewable energy technologies. She has done significant research work and published over 25 top quality international conferences and journal papers.
Assoc Prof Volodymyr Ivanov	Research activities Microbial ecology and microbiological monitoring of environmental engineering systems; removal and recovery of nutrients from wastewater; microbial biogeotechnics; design and testing of the facilities for nutrients removal and microbial granulation; new bioinformatics methods for the comparison of DNA sequences. Research projects performwed in NTU PI of the MOE funded research project Microfluidic Bacterial Cell Separation for Environmental Monitoring, 2008-2011 Co-PI of the TEC funded research project on Field test of innovative constructed wetland for the treatment of stormwater, PUB-NTU-Enviropro Ltd., 2005 - 2008 Co-PI Biotechnology of anaerobic digestion enhanced by iron-reducing bacteria, from December 2000 to November 2003, funding S$197,000 from Applied Research Fund PI CSE /RG Microbiological examination of water quality by labeled trinucleotides and flow cytometry, from 15 April 2001 to 14 April 2003, funding S$41,569 from Applied Research Fnd Investogator MRC research project Development of methods and diagnostic kits for rapid microbiological monitoring of ballast water quality, from 3 July 2001 to 2 July 2003, S$63,927 from Maritime and Port Authority of Singapore
Asst Prof Wan Man Pun	Prof Wan's areas of expertise are aerosol sciences, building environmental quality and catalytic combustion. His current research works focus on transport of expiratory aerosols in indoor environments and infectious disease transmission, ultrafine particle dynamics, mass transfer and chemical kinetics in catalytic oxidation systems.
Assoc Prof Wang Jing-Yuan	Dr. Wang's current research interests are focused on waste to energy (including bio-H2, bio-CH4, bio-ethanol, and bio-diesel), development of an integrated electrokinetic and biological remediation technology, and development of an integrated resource recovery system to address water and sanitation issues in the developing countries.
Assoc Prof Wang Rong	Dr Wang's main research interests cover membrane science & technology, chemical & environmental engineering processes. She focuses on (1) Developing various novel membranes such as forward osmosis (FO) hollow fiber membranes, hydrophobic homo/co-PVDF hollow fiber membranes and mixed matrix membranes for membrane-based separation & reaction processes, which include forward osmosis BMR, membrane absorption, membrane distillation and pervaporation; (2) Simulating and optimizing various membrane processes such as adsorption-submerged membrane system with air bubbling; mixed gas absorption in the membrane contactor; concentration polarization in FO/UF membrane systems and separation of mixed gases in membrane modules, etc; and (3) Mass transfer and computational fluid dynamics.
Asst Prof Wang Zhiwei	Dr. Wang's research interests include Integrated land use-transportation planning, Transport network modeling and optimization, Public transport operations and planning,Logistics and network analysis.
Assoc Prof Wong Kai Sin	Deep excavations in soil Building Foundations Downdrag on piles Soil-structure interaction problems Slope stability and settlement problems
Asst Prof Wong Ngai Yuen	- Rock mechanics - Engineering geology - Underground engineering
Dr Wong Sai Wai, Tommy	Surface Water Hydrology: rainfall characteristics, loss models, rainfall-runoff process, overland flow, open channel flow Drainage Design: rational method, kinematic wave method, highway drainage, roof drainage Urbanization Effect: flood peak, flood volume
Assoc Prof Wong Wai Fan	Member of Joint Research Team in Thermal Control of Horticulture for Primary Production Board, 1999-2001 Investigator of Applied Research in Structural behaviour of Padeye in Steel Tubular Structures, 1989-1991 Principal Investigator of Applied Research in Structural Strengthening of existing RC building by External Prestressing Method, 1990-1991 Supervising PhD candidate in their research study: 2002 - 2008 Supervising MSc candidates of International Construction Management in their research and writing of dissertation: 1995 - 2008
Assoc Prof Wong Yiik Diew	Dr Wong's principal R&D interests are in road safety engineering & practices; driver & traveller behaviours; pedestrian safety & accessibility; bicycle transport & infrastructure; transport networks/systems - capacity, safety & security; probabilistic methods & risk management techniques; innovative construction materials in pavement; energy efficiency in transport sector. He has also worked on projects in freight movements; maritime safety & security; maritime manpower developments. Dr Wong's PhD thesis is on driver behaviour, and his principal research focus is in road traffic safety for which Dr Wong was awarded The Traffic Police Community Appreciation Award for contribution in the area of Road Safety (presented by Mr Wong Kan Seng, Minister for Home Affairs, 25 May 2001). In the area of road safety, Dr Wong is supervisor to the following PhD/MEng theses: 1. Ng Choon Heng (1996). Impacts of surveillance cameras on safety at signalised junctions, Master of Engineering Thesis; 2. Lum Kit Meng (2002). Impacts of red-light cameras on traffic characteristics and interactions at signalised junctions, Doctor of Philosophy Thesis; 3. Goh Pin Kai (2003). Driver performance during the signal change interval, Master of Engineering Thesis; 4. Hau Lay Peng (2003). Speed cameras and speed-related issues, Master of Engineering Thesis; 5. Ho Jen Sim (2003). A study of left-turn-on-red (LTOR) traffic control in Singapore, Master of Engineering Thesis; 6. Koh Puay Ping (2005). Driver behaviour during traffic signal change interval, Master of Engineering Thesis; 7. Aine Kusumawati (2008). Traffic safety at road junctions, Doctor of Philosophy Thesis. Dr Wong is author/co-author of 45 journal/conference papers, 27 technical reports, and 47 miscellaneous articles. Dr Wong is supervisor to two current Ph.D. candidates. 1. Anggraini Zulkati. Binding characteristics of bituminous binders with aggregates in asphalt concrete mix. Supervisors – Dr Wong Yiik Diew & Dr Darren Sun Delai; 2. Ho Sze Hwee. Underground road tunnels - Drivers’ quality needs and demands and the environments. Supervisors – Dr Wong Yiik Diew & Dr Chang Wei-Chung Victor. [updated on October 2009]
Asst Prof (Adj) Yan Rong	Her current research interests focus on advanced biomass and biofuel technology, biomass/waste to energy, greenhouse gas and climate change, clean energy for cleaner air, waste minimization and recycling, as well as advanced biotechnology application in air toxics abatement and cleaner energy production. On-going projects: (1) Advanced chemical looping combustion for CO2 capture (2) Biomass gasification/pyrolysis/torrefaction for bioenergy production (3) Bunker oil biocracking and biodesulfurization for upgrading (4) Algae cultivation and processing for CO2 fixation and biodiesel production (5) Air toxics abatement through cleaner energy production
Asst Prof Yang Yaowen	(a) Application of smart sensor technology for structural health monitoring; (b) Energy harvesting using smart materials; (c) Uncertainty analysis and modeling for structural systems; and (d) Evolutionary computation for optimization and inverse problem solving;
Assoc Prof Zhao Zhiye	Development of the discontinuous deformation analysis Numerical analysis for rock mass and cavern under dynamic loads Modeling of blast loads in numerical simulations. Development of ensemble neural network for engineering applications.

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