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Abstract
Existing risks in deep foundation excavation projects is a major issue in developing cities. With the rapid increase in the number of various deep foundation and excavation projects in big cities of Iran, many accidents related to deep excavation have been reported every year. These accidents affected delay and increased cost of project implementation. Therefore identification and assessment of risks of these accidents is essential. The aim of the research was to develop a framework to overcome limitations of previous approaches to assess of risks in excavation projects. According to the complexity of a problem and the inherent uncertainty, the framework adopted SWARA (Step-wise Weight Assessment Ratio Analysis) and COPRAS (COmplex PRoportional ASsessment) methods through introducing new criteria for risk assessment. Data was collected through interview, a literature review and a questionnaire survey distributed to excavation project experts. A case study of deep foundation excavation in Shiraz was presented. The results have shown that the risks involving construction safety, unfavourable geological conditions, shortage of managerial experience, incomplete emergency plan and subsidence of ground are the most significant risks excavation projects in Shiraz. The proposed framework and the obtained results can help stakeholders of excavation projects in developing countries better to manage project risks.
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Notes on contributors
Alireza Valipour
Alireza VALIPOUR. PhD, Post Doctorate fellowship at the Faculty of Civil Engineering of Universiti Teknologi Malaysia (UTM) and lecture in Shiraz branch Azad University. His main research interests include the application of multiple criteria decision making theories in construction management, construction technology, project management and risk management.
Nordin Yahaya
Nordin YAHAYA. PhD, Professor, Faculty of Civil Engineering, Universiti Teknologi Malaysia (UTM). He has also been appointed as the Senior Director of UTM International. Research interests: multi criteria decision making theories in construction management, project management, PPP risk management and pipeline Soil-Corrosion Integrity Assessment.
Norhazilan Md Noor
Norhazilan MOHAMAD NOOR. PhD, Associate Professor, Faculty of Civil Engineering, Universiti Teknologi Malaysia (UTM). Research interests: multi criteria decision making theories in construction management, project management, PPP risk management and pipeline Soil-Corrosion Integrity Assessment.
Jurgita Antuchevičienė
Jurgita ANTUCHEVIČIENĖ. PhD, Professor, Department of Construction Technology and Management, Vilnius Gediminas Technical University, Vilnius, Lithuania. Research interests include multiple criteria analysis, decision-making theories and decision support systems, sustainable development, construction management and investment.
Jolanta Tamošaitienė
Jolanta TAMOŠAITIENĖ. PhD, Vice-Dean of Civil Engineering Faculty, Associated Professor, Department of Construction Technology and Management, Vilnius Gediminas Technical University, Vilnius, Lithuania. Research interests: many miscellaneous management areas (enterprise, construction project and etc.), risk assessment, construction project administration, building life-cycle, construction technology and organisation, decision-making and grey system theory, Decision Making (DM), statistics, optimization, strategies, game theory, intelligent support system, Sustainable Development: developing of alternative construction processes, economic and other aspects, sustainable development challenges for business and management in construction enterprises, environmental impact processes and etc.