Prefabrication in Building Construction: A Perspective of Pakistan Construction IndustryJournal: Mehran University Research Journal of Engineering and Technology (Vol.33, No. 3)
Publication Date: 2014-07-01
Authors : Memon N.A.; Memon F.A.; Khahro S.H.;
Page : 366-371
Keywords : Prefabrication; Building Construction; Advantages and Barriers; Pakistan;
Construction industry is facing many problems in terms of construction waste, quality, environment, durability, safety and higher construction cost. Adoption of prefabrication is a possible solution to such problems. Accordingly, there is a need to study the prospects that would stimulate the appropriate discussion of the suitability of prefabrication and other construction methods for concrete buildings. Therefore, this study investigates the significance of advantages in adopting prefabrication along with hindrances through questionnaire survey. The data has been analyzed using RIW (Relative Importance Weight) method as a MCDM approach. The results depict that main advantages of prefabrication are ?Shorter construction time? and ?Less construction site waste?. The top hindrances in adopting prefabrication as identified in this study are: ?Higher initial construction cost? and ?Inflexible for design changes?. Based on the survey results and apparent progress in the adoption of prefabrication around the world, it is concluded that the use of prefabrication is likely to increase in developing countries like Pakistan.
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