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Outrigger Systems for Tall Buildings in Korea

  • 발행 : 2015.09.30

초록

Outrigger systems are highly efficient since they utilize the perimeter zone to resist lateral forces, similar to tubular systems. The entire structural weight can be reduced due to the system's significant lateral strength. Therefore, it is the most commonly selected structural system for tall and supertall buildings built in recent years. In this paper, issues regarding the differential shortening effect during construction of the outrigger system and the special joints used to solve these issues will be addressed. Additionally, the characteristics of wind and seismic loads in Korea will be briefly discussed. Lastly, buildings in Korea using an outrigger as their major structural system will be introduced and the structural role of the system will be analyzed.

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참고문헌

  1. Choi, H. S., Ho, G., Joseph, L., and Mathias, N. (2012) "Outrigger Design for High-Rise Buildings" CTBUH Technical Guides.
  2. Chung, K. R. (2006) "Structural Design of North-East Asia Trade Tower using High-Strength Steel". Journal of the Architectural Institute of Korea, 50(12), pp. 67-70.
  3. Council on Tall Buildings and Urban Habitat. (2010) "Tall buildings in Numbers" Journal of the CTBUH, 2, pp. 40-41.
  4. Jeon, S. G., Sunu, W. I., and Chung, K. R. (2008) "Structural Design of North-East Asia Trade Tower". Korean Society of Steel Construction, 20(4), pp. 7-13.
  5. Kim, D. H. and Chung, K. R. (2009) "Evolution of Tall Building Structural System". Architectural Institute of Korea, 53(8), pp. 18-23.
  6. Lee, C. H., Chung, K. R., and Kim, S. D. (2011) "Outrigger system for Tall Buildings: State-of-the-Art". Korean Society of Steel Construction, 23(3), pp. 35-40.
  7. Sunwoo, W. I., Yang, S. B., and Chung, K. R. (2004) "Wind Effects on Tall Buildings". Journal of the Architectural Institute of Korea, 48(7), pp. 35-39.