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Article

Quantitative Analysis of Waiting Length and Waiting Time for Frame Construction Work Activities Using a Queue Model; Focusing on Korean Apartment Construction

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Department of Architectural Engineering, Hanyang University, 222, Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea
2
Department of Digital Architecture and Urban Engineering, Hanyang Cyber University, 220, Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea
*
Author to whom correspondence should be addressed.
Academic Editor: Víctor Yepes
Sustainability 2021, 13(7), 3778; https://doi.org/10.3390/su13073778
Received: 9 March 2021 / Revised: 25 March 2021 / Accepted: 25 March 2021 / Published: 29 March 2021
The frame construction of an apartment complex that consists of multiple buildings encounters various uncertainties, owing to the complex relationships between units of work. Currently, the period of such a construction is calculated based on the number of floors of the highest building in the complex. This study quantitatively analyzes an apartment frame construction period using a queue model and evaluates the validity of the estimated period. In this regard, a methodology is proposed for analyzing the construction period by applying the concept of a customer and a server. A case study on the duration of an apartment frame construction period is conducted with the Korea Land and Housing Corporation, which has supplied the largest number of apartments in South Korea. It was found that the stable state of a queue system was observed when the rate of server utilization was applied to the basement and above-ground floors. However, a stable state was not reached on the ground floor. This study includes non-working days in its calculation and quantitatively analyzes uncertainty factors during construction. Therefore, the findings can be practically utilized to quantitatively plan the durations of work units in an apartment frame construction. View Full-Text
Keywords: frame construction; multiple buildings; construction period; uncertainty factors; queue model frame construction; multiple buildings; construction period; uncertainty factors; queue model
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MDPI and ACS Style

Kim, J.-W.; Ham, N.; Kim, J.-J. Quantitative Analysis of Waiting Length and Waiting Time for Frame Construction Work Activities Using a Queue Model; Focusing on Korean Apartment Construction. Sustainability 2021, 13, 3778. https://doi.org/10.3390/su13073778

AMA Style

Kim J-W, Ham N, Kim J-J. Quantitative Analysis of Waiting Length and Waiting Time for Frame Construction Work Activities Using a Queue Model; Focusing on Korean Apartment Construction. Sustainability. 2021; 13(7):3778. https://doi.org/10.3390/su13073778

Chicago/Turabian Style

Kim, Jin-Won, Namhyuk Ham, and Jae-Jun Kim. 2021. "Quantitative Analysis of Waiting Length and Waiting Time for Frame Construction Work Activities Using a Queue Model; Focusing on Korean Apartment Construction" Sustainability 13, no. 7: 3778. https://doi.org/10.3390/su13073778

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