Field applicability and feasibility of the automated non-powered multi-beam lifting system

Gaang Lee, Ghang Lee, Taekwan Lee

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

This study aims to develop a non-powered multi-beam lifting system (MLS). A MLS is a tower crane accessory that mechanically and subsequently secures and subsequently releases two to three beams in order to shorten the lifting cycle time and improve productivity. Previously proposed MLSs have been motorized systems that would require electricity and lack sufficient safety mechanisms. A non-powered MLS (NPMLS) was developed in this study and the field applicability and economic feasibility of the technology were analyzed through field tests. The analysis results showed that the elimination of lugs and the reduction of labor costs can yield considerable economic benefits. Above all, the major benefits of the NPMLS are improvements in workability and safety during steel construction. Field observations showed the NPMLS to be much safer and to afford much easier control of steel members than the traditional method. In addition, the learning curve of NPMLS was found to be very short.

Original languageEnglish
Pages (from-to)26-35
Number of pages10
JournalAutomation in Construction
Volume28
DOIs
Publication statusPublished - 2012 Dec 1

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Tower cranes
Steel construction
Economics
Accessories
Electricity
Productivity
Personnel
Steel
Costs

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Civil and Structural Engineering
  • Building and Construction

Cite this

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Field applicability and feasibility of the automated non-powered multi-beam lifting system. / Lee, Gaang; Lee, Ghang; Lee, Taekwan.

In: Automation in Construction, Vol. 28, 01.12.2012, p. 26-35.

Research output: Contribution to journalArticle

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