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        Construction Project Risk Management in Singapore: Resources,Effectiveness, Impact, and Understanding

        Xianbo Zhao,황본강,Weisheng Phng 대한토목학회 2014 KSCE JOURNAL OF CIVIL ENGINEERING Vol.18 No.1

        While previous studies have focused on the need for Project Risk Management (PRM), highlighting its potential benefits,resources invested in PRM have been rarely identified. This study aims to investigate the resource allocation, effectiveness, impact and understanding of construction PRM in Singapore. To achieve the objectives, a questionnaire survey was conducted with professionals and 43 complete questionnaires were returned. The results revealed that higher proportion of costs was invested in PRM than time and labor resources, and that more resources invested would not necessarily lead to a higher level of PRM effectiveness and greater assurance with the achievement of project objectives. Also, the results showed the low-level understanding of PRM in the survey firms and suggested that the overall impact of PRM on project outcomes differed according to levels of understanding. Despite the low-level understanding, all the nine PRM principles and guidelines were significantly agreed. Hence,this study provides a clear picture of PRM in the Singapore construction industry. The findings of this study can help practitioners to better implement PRM and assure the achievement of project outcomes.

      • KCI등재후보

        Failure Process of Composite Columns with Embedded I-section Steel under Elevated Temperature-Load Level Effects

        Zhan-Fei Huang,Wee-Siang Toh,Kang-Hai Tan,Guan-Hwee Phng 한국강구조학회 2007 International Journal of Steel Structures Vol.7 No.3

        This paper presents an experimental study for investigating the effects of load level on structural behaviour of fourunprotected, embedded I-section steel composite columns. Each column was subjected to a constant axial compression forceunder rising temperature. Two electric furnaces were used to aply four-face heating condition on the columns to aproximatea realistic fire. All columns were made of siliceous concrete of normal cylinder strength around 44 MPa. Numerical analysesThecolumn failure times were also compared with design code predictions from EC4 Pt.1.2. It shows that the failure times reducedlinearly under an increasing load level. It was observed that all specimens underwent concrete spalling at the mid-height zone.

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