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Open AccessArticle

Smartphone-Based Data Collection System for Repetitive Concrete Temperature Monitoring in High-Rise Building Construction

by Hyunsu Lim 1 and Taehoon Kim 2,*
1
Department of Architecture, Soonchunhyang University, Asan 31538, Korea
2
School of Architecture, Chosun University, Gwangju 61452, Korea
*
Author to whom correspondence should be addressed.
Sustainability 2019, 11(19), 5211; https://doi.org/10.3390/su11195211
Received: 6 August 2019 / Revised: 17 September 2019 / Accepted: 18 September 2019 / Published: 23 September 2019
(This article belongs to the Special Issue Sustainable Construction Engineering and Management)
The systematic collection and management of on-site information in high-rise building construction are important factors in construction management. Recently, wireless sensor network (WSN) technology has been utilized to manage the various tasks involved in high-rise construction efficiently and in a timely manner. However, because of the repeated installation of sensors and repeaters along with the construction progress, the existing WSN technology is ineffective when applied to the temperature management of concrete in structural work. Here, we propose a new data collection method in which a worker uses a smartphone to repeatedly monitor concrete temperature. In field implementation, the proposed system enables concrete temperature management without a transmission gap for monitoring in 60-min intervals with smartphones provided to 20% of the structural workers. Next, a case study was performed on a high-rise building construction site to analyze the effectiveness of the proposed system in terms of cost savings by avoiding schedule delay. The results of the case study show that the proposed system can reduce the additional work costs resulting from delays in concrete curing and save up to $18,907 in labor costs. In addition, this system can reduce the temperature management time of the quality manager and enable more efficient management. It is also expected that this system will contribute to on-site waste management by reducing the number of embedded sensors. View Full-Text
Keywords: data collection system; worker’s smartphone; concrete temperature monitoring; high-rise building construction data collection system; worker’s smartphone; concrete temperature monitoring; high-rise building construction
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Lim, H.; Kim, T. Smartphone-Based Data Collection System for Repetitive Concrete Temperature Monitoring in High-Rise Building Construction. Sustainability 2019, 11, 5211.

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