Risk Analysis of a Large-Scale Construction Project

2014 ◽  
Vol 989-994 ◽  
pp. 5070-5074
Author(s):  
Wen Jie Dai

Huge investment, long construction period, many risk factors are existed in large-scale construction project. They are faced with various risks intervened with each other. this study using analytic hierarchy process and fuzzy evaluation method, conducts the comprehensive analysis of project risk level, and by combining list sorting method with subjective evaluation method grade the risk factors according to their likelihood of occurrence, the degree of serious consequences, and the controllability of occurrence, so that by the multiplication of three scores, the level of risks can be obtained and corresponding strategies can be established according to these different risks.

2019 ◽  
Vol 20 (2) ◽  
pp. 428-439 ◽  
Author(s):  
Mengkai Liu ◽  
Jia Yang ◽  
Guanghua Guan

Abstract Frazil jams are common ice phenomena in rivers in winter and also threaten the safe operation and limit the water conveyancing efficiency of long-distance canal systems in cold regions. In this paper, based on the canal pool conditions from the Fenzhuanghe sluice to the Beijumahe sluice of the Middle Route of the South-to-North Water Diversion Project, the analytic hierarchy process (AHP) and the fault tree principle (FTP) for frazil jam risk assessment are proposed. The risk factors of frazil jams are then identified based on the AHP. Then the probability and consequence severity of frazil jams induced by each risk factor are scored by experts, and the weights of each risk factor are proposed. Finally, risk level and prevention measures are proposed. The results show that there are 20 risk factors for canal frazil jams and the possibility of risk factors is positively correlated with the consequence severity. As yet, experts have not formed a unified view on the frazil jam mechanism of water diversion projects, and the scoring results are highly dependent on expert positions. This paper recommends the FTP as the frazil jam risk evaluation method, and the corresponding frazil jam level of the project is level III.


2014 ◽  
Vol 989-994 ◽  
pp. 5294-5299
Author(s):  
Wei Ma

Technical risk assessment model of large-scale construction project has been established by using triangle whitening weight function of grey theory against the problems of technical risk assessment of large-scale construction project. In the end, through example verification, this model is approved to be feasible and have certain value of reference and utilization in similar problems.


2012 ◽  
Vol 594-597 ◽  
pp. 2976-2981
Author(s):  
Qing Lin Yi ◽  
Juan Juan Wu ◽  
Tian Fan Dai

The reliability of schedule management directly affects the project cost and quality. Time limit is the most important part in schedule management. The determination of reasonable time limit can save cost for investors, and ensure project quality .Based on this characteristic, this paper adopts utility curve to carry out risk analysis for risk factors, eliminates unreliable construction period and carries on fuzzy comprehensive evaluation for the rest of the possible period. Then it got scientific and reasonable time limit. The method can determine the construction period credibly and is used to guide engineering practical.


2011 ◽  
Vol 243-249 ◽  
pp. 6362-6368
Author(s):  
Yan Zhang ◽  
Chang Jiang Liu

In the field of engineering and construction, unqualified construction quality, time delays, cost more than expected phenomena to occur. Because of these characteristics such as its large-scale construction projects, long cycle, the production of single and complex, there is greater risk than the production of general products, the risk increases the difficulty of construction project management, operating costs and the possibility of potential losses, therefore, risk management emerged and become an increasingly important integral part of project management. In this paper, fuzzy analytic hierarchy be used to construction project risk assessment, and to order the sort of each risk in order to prevent significant risks. On an actual project - the new stadium construction in Weifang City risk management case study, the reduction of risk of project failure is expected, but also the project is hoped for other industries to provide some reference for risk management.


2016 ◽  
Vol 41 (4) ◽  
pp. 333-354 ◽  
Author(s):  
Carolyn Arcand

This article examines whether women’s representation among senior-level construction jobs increased over time during a long-term, large-scale construction project in Boston, Massachusetts, and whether enactment of the Workforce Investment Act (WIA) has fostered support and connection to construction career opportunities for women in this metropolitan area. Results show that the proportion of hours worked by women in senior-level positions on the project was relatively high for a few years, followed by a general decline across all job types, and the WIA did not significantly enhance opportunities for women in construction.


2010 ◽  
Vol 156-157 ◽  
pp. 79-83 ◽  
Author(s):  
Jian Yu Chu ◽  
You Po Su

The site selection for earthquake emergency shelter is important to ensure the safety and service ability of shelter in earthquake disaster. It is aim to establish earthquake emergency shelter site evaluation index system, make use of analytic hierarchy process method to determine the index weight, using comprehensive fuzzy evaluation method to evaluate and order the shelters in certain areas, and ultimately select earquake emergency shelters.


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