Proceedings of the Korean Geotechical Society Conference (한국지반공학회:학술대회논문집)
- 2008.03a
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- Pages.511-520
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- 2008
Evaluation of Cost-Effectiveness on High-Strength Steel Pipe Strut and Its Application
고강도 강관버팀보 현장적용 및 경제성 평가
- La, Seung-Min (Steel Structure Research Laboratory, Research Institute of Industrial Science & Technology (RIST)) ;
- Lee, Jong-Gu (Steel Structure Research Laboratory, Research Institute of Industrial Science & Technology (RIST)) ;
- Lee, Yong-Joo (Steel Structure Research Laboratory, Research Institute of Industrial Science & Technology (RIST))
- Published : 2008.03.28
Abstract
The steel pipe strut for a means of the retaining structure has been used generally in North America, Europe and China so far. However, Korea and Japan, two countries are much familiar with H-shape steel strut having its anisotropic strength on two different axes(named as strong and weak axes), even though they recognize the steel pipe's excellence of structural function associated with its compressive ability. This trend is mainly due to a number of its field application, accumulated know-hows and workmanship etc. This paper introduces particular features of a high-strength steel pipe strut in comparison with the H-shape steel strut and its application for two excavation sites in Seoul. As a result of field verification, the high-strength pipe steel strut is more effective than the H-shape steel strut in terms of construction costs, schedules, constructibility and structural stability.
Keywords
- high-strength steel pipe strut;
- retaining structure;
- excavation;
- H-shape steel strut;
- anisotropic strength;
- constructibility;
- cost-effective