A comparative field monitoring of column shortenings in tall buildings using wireless and wired sensor network systems

Sungho Lee, Sang Dae Kim, Taehun Ha

Research output: Contribution to journalArticle

Abstract

A comparative field measurement for column shortening of tall buildings is presented in this study, with a focus on the reliability and stability of a wireless sensor network. A wireless sensor network was used for monitoring the column shortenings of a 58-story building under construction. The wireless sensor network, which was composed of sensor and master nodes, employed the ultra-high-frequency band and CDMA communication methods. To evaluate the reliability and stability of the wireless sensor network system, the column shortenings were also measured using a conventional wired monitoring system. Two vibration wire gauges were installed in each of the selected 7 columns and 3 walls. Measurements for selected columns and walls were collected for 270 days after casting of the concrete. The results measured by the wireless sensor network were compared with the results of the conventional method. The strains and column shortenings measured using both methods showed good agreement for all members. It was verified that the column shortenings of tall buildings could be monitored using the wireless sensor network system with its reliability and stability.

Original languageEnglish
Article number9393281
JournalJournal of Sensors
Volume2016
DOIs
Publication statusPublished - 2016

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Tall buildings
Sensor networks
Wireless sensor networks
Monitoring
sensors
code division multiple access
Code division multiple access
ultrahigh frequencies
Frequency bands
Gages
Casting
Wire
Concretes
communication
wire
Communication
Sensors
vibration

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Instrumentation
  • Electrical and Electronic Engineering

Cite this

A comparative field monitoring of column shortenings in tall buildings using wireless and wired sensor network systems. / Lee, Sungho; Kim, Sang Dae; Ha, Taehun.

In: Journal of Sensors, Vol. 2016, 9393281, 2016.

Research output: Contribution to journalArticle

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