Now showing items 1-20 of 109

    • A case study on the evacuation of deep mega underground development in Singapore 

      Ng, Yan Hao; Nguyen, Minh Phuong; Tan, Kang Hai; Ng, Kian Wee (2017)
      Subterranean space utilisation is considered as a viable solution to the lack of land space in Singapore. However, commercial development, with substantial floor area located at a significant depth underground is the ...
    • A buoyancy-based fiber Bragg grating tilt sensor 

      Maheshwari, Muneesh; Yang, Yaowen; Chaturvedi, Tanmay (2017)
      In this paper, a novel design of fiber Bragg grating tilt sensor is proposed. This tilt sensor exhibits high angle sensitivity and resolution. The presented tilt sensor works on the principle of the force of buoyancy in a ...
    • Lamb wave propagation in vibrating structures for effective health monitoring 

      Lu, Xubin; Soh, Chee Kiong; Avvari, Panduranga Vittal (2015)
      Lamb wave based Structural Health Monitoring (SHM) has received much attention during the past decades for its broad coverage and high sensitivity to damage. Lamb waves can be used to locate and quantify damage in static ...
    • Experimental investigation of fatigue in a cantilever energy harvesting beam 

      Avvari, Panduranga Vittal; Yang, Yaowen; Liu, Peiwen; Soh, Chee Kiong (2015)
      Over the last decade, cantilever energy harvesters gained immense popularity owing to the simplicity of the design and piezoelectric energy harvesting (PEH) using the cantilever design has undergone considerable evolution. ...
    • Numerical analysis of reinforced concrete piles under blast loads 

      Jayasinghe, Laddu Bhagya; Goh, Anthony Teck Chee; Zhao, Zhiye; Zhou, Hongyuan; Gui, Yilin (2017)
      Pile foundations are commonly used as foundation systems for high-rise buildings and bridges. This paper uses a fully coupled three dimensional numerical modelling procedure to study the performance of pile foundations ...
    • Computationally efficient estimation of the probability density function for the load bearing capacity of concrete columns exposed to fire 

      Van Coile, Ruben; Balomenos, Georgios P.; Pandey, Mahesh D.; Caspeele, Robby; Criel, Pieterjan; Wang, Lijie; Alfred, Strauss (2016)
      Concrete columns are critical for the stability of structures in case of fire. In order to allow for a true Perfor-mance Based Design, the design should be based on considerations of risk and reliability. Consequently, the ...
    • Analysing Uncertain Rainfall in Flood Mitigation using MCDA 

      Daksiya, Velautham; Su, Hsin Ting; Lo, Edmond Yat Man; Cheung, Sai Hung (2015)
      Decisions on flood mitigation measures are made more complex with uncertain features of hydrosystem parameters. A decision making framework is developed with the PROMETHEE MCDA technique and applied to a central basin of ...
    • Power System Resilience Assessment Considering of Integrated Natural Gas System 

      Zhang, Huajun; Zhao, Tianyang; Wang, Peng; Cheung, Sai Hung; Yao, Shuhan (2017)
      Power system and natural gas (NG) system are two critical infrastructures (CI) that modern society depends on. The power system designed with conventional reliability criterion can neither effectively anticipate nor respond ...
    • Pedestrian and cyclists sharing facilities in Singapore 

      Rojas Lopez, Maria Cecilia; Wong, Yiik Diew (2017)
      Singapore is a small, densely populated, and highly urbanised island city-state. More than 12% of the available land in the nation is dedicated to transport facilities. An elevated percentage compared with the 14% land use ...
    • The discrete-time second-best dynamic road pricing scheme 

      Han, Linghui; Wang, David Zhi Wei; Zhu, Chengjuan (2017)
      Congestion pricing is widely recognized as an efficient instrument for alleviating road congestion. Most of existing road pricing scheme are developed based on traffic equilibrium model. The equilibrium can be looked as a ...
    • Towards the Use of High Strength Steel for Construction Productivity 

      Chiew, Sing Ping; Zhao, Mingshan; Cai, Yanqing (2016)
      With rapid advancement in on-line steel production processes, it is now possible to produce high strength steel at affordable and competitive cost. This leads to the development of design codes and construction technologies ...
    • Pile foundation response to ground vibration from rock blasting 

      Jayasinghe, Laddu Bhagya; Goh, Anthony Teck Chee; Zhao, Zhiye; Zhou, Hongyuan; Gui, Yilin (2017)
      Ground vibrations from blasting are undesirable and they are very short in duration with high principal frequencies and high amplitude. Structural response to that kind of excitations may differ significantly from that ...
    • Performance of Pile Groups Subjected to Surface Explosion 

      Jayasinghe, Laddu Bhagya; Goh, Anthony Teck Chee; Thambiratnam, David (2015)
      With the increased incidence of terrorist attacks over the world in the past few decades, the importance of response of structures, including their foundation to credible blast loads has become a vital factor in structural ...
    • Vulnerability analysis for multiple critical infrastructure sectors using interdependencies modeling and network analysis 

      Lin, Jiwei; Tai, Kang; Tiong, Robert Lee Kong; Sim, Mong Soon (2016)
      Critical infrastructures like electric power plants, oil and gas supply, telecommunication, and the internet are essential systems for the continuous functioning of modern society. They are highly interconnected networks ...
    • Selective Laser Sintering Of Polypropylene Feed Spacers For Spiral Wound Membrane Modules 

      Tan, Wen See; Chua, Chee Kai; Chong, Tzyy Haur; Fane, Anthony Gordon; An, Jia (2016)
      Feed spacers are net-like structures present in spiral wound membrane modules (SWM) used for treatment of water and wastewater. Feed spacers require appropriate stiffness to support membrane without damaging and puncturing ...
    • Rheology and Printability of Engineered Cementitious Composites-A Literature Review 

      Weng, Yiwei; Lu, Bing; Tan, Ming Jen; Qian, Shunzhi (2016)
      Additive Manufacturing (AM), normally known as 3 Dimensional Printing (3DP), is one of many manufacturing processes in the field of Rapid Prototyping (RP). In 3DP process, the solid part is built by adding layers of materials ...
    • A Review of 3D Printable Construction Materials and Applications 

      Lu, Bing; Tan, Ming Jen; Qian, Shun Zhi (2016)
      3D printing, also known as additive manufacturing, is a technology using a layer-by-layer process to build three-dimensional objects. The developments of 3D printing in building and construction have seen great potentials ...
    • Morphological Comparison of 3D Printed Feed Spacers for Spiral Wound Membrane Modules 

      Tan, Wen See; Chua, Chee Kai; Fane, Anthony Gordon; An, Jia; Chong, Tzyy Haur (2014)
      This paper presents the preliminary work done on the fabrication of feed channel spacers with rapid prototyping, 3D printing or additive manufacturing (AM) techniques, involving fused deposition modeling (FDM) and polyjet ...
    • A perspective on 3D printed membrane: direct/indirect fabrication methods via direct laser writing 

      Lee, Jian-Yuan; An, Jia; Chua, Chee Kai; Fane, Anthony G.; Chong, Tzyy Haur (2016)
      This conference paper mainly comprises three parts: (1) a brief introduction to the current state of research; (2) a clear description of the additive manufacturing technique and fabrication methods; (3) a brief description ...
    • Influence of welding on the strength of high performance steels 

      Zhang, Xing-Zhao; Zhao, Ming-Shan; Chiew, Sing-Ping; Lee, Chi-King; Fung, Tat-Ching (2015)
      In this study, experiments were carried out to investigate the influence of welding on the strength of high performance steels including the reheated, quenched and tempered (RQT) high strength steel in grade S690 and ...