Quantitative Assessment for Piles Productivity Factors
Publication: Journal of Construction Engineering and Management
Volume 130, Issue 3
Abstract
The management process of any construction operation usually can be defined as a chain of decisions. A decision-maker can bid, plan, and organize the bored pile projects based on an accurate estimate of productivity. To estimate productivity efficiently, piling process qualitative and quantitative factors have to be considered. This paper focuses on assessing the effect of subjective factors on bored pile construction productivity. A productivity index (PI) model is developed to represent this subjective effect in refining productivity assessment using simulation and deterministic techniques. The analytic hierarchy process and fuzzy logic are used to develop the proposed PI model that relies on the actual performance of 10 main piling process subjective factors. Subjective data were collected from bored pile (drilled shaft) contractors considering these subjective factors. The developed PI model implementation to piling process resulted in PI=0.7. This value has been validated using simulation model outputs.
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Copyright © 2004 American Society of Civil Engineers.
History
Received: May 23, 2002
Accepted: May 6, 2003
Published online: May 14, 2004
Published in print: Jun 2004
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