The optimal drift design method to control the elastic and inelastic performance of steel moment frames

S. W. Choi; J. H. Lee; Y. S. Kim; H. S. Park

The optimal drift design method to control the elastic and inelastic performance of steel moment frames

S. W. Choi, J. H. Lee, Y. S. Kim, H. S. Park

Department of Architecture and Architectural Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

This study presents the optimal drift design method to control the elastic and inelastic performance of steel moment frames. This is formulated as a problem that minimizes the lateral displacement at the top of a building satisfying the constraints on the total structural weight and the column-to-beam strength ratios at the joints. This uses the resizing method based on the linear static analysis. The resizing method can increase the stiffness of buildings without the increase of structural weight because of resizing the size of elements based on the displacement participation factor (DPF) calculated by the unit-load method. Simultaneously, this can control the inelastic performance of a building through the constraints on the column-to-beam strength ratios at the joints. The proposed method is demonstrated by application to the steel moment frame example. It is confirmed that the initial stiffness and dissipated energy of the redesigned structure are controlled.

Original language	English
Title of host publication	Proceedings of the 11th International Conference on Computational Structures Technology, CST 2012
Publisher	Civil-Comp Press
Volume	99
ISBN (Print)	9781905088546
Publication status	Published - 2012 Jan 1
Event	11th International Conference on Computational Structures Technology, CST 2012 - Dubrovnik, Croatia Duration: 2012 Sep 4 → 2012 Sep 7

Other

Other	11th International Conference on Computational Structures Technology, CST 2012
Country	Croatia
City	Dubrovnik
Period	12/9/4 → 12/9/7

All Science Journal Classification (ASJC) codes

Environmental Engineering
Civil and Structural Engineering
Computational Theory and Mathematics
Artificial Intelligence

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Choi, S. W., Lee, J. H., Kim, Y. S., & Park, H. S. (2012). The optimal drift design method to control the elastic and inelastic performance of steel moment frames. In Proceedings of the 11th International Conference on Computational Structures Technology, CST 2012 (Vol. 99). Civil-Comp Press.

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abstract = "This study presents the optimal drift design method to control the elastic and inelastic performance of steel moment frames. This is formulated as a problem that minimizes the lateral displacement at the top of a building satisfying the constraints on the total structural weight and the column-to-beam strength ratios at the joints. This uses the resizing method based on the linear static analysis. The resizing method can increase the stiffness of buildings without the increase of structural weight because of resizing the size of elements based on the displacement participation factor (DPF) calculated by the unit-load method. Simultaneously, this can control the inelastic performance of a building through the constraints on the column-to-beam strength ratios at the joints. The proposed method is demonstrated by application to the steel moment frame example. It is confirmed that the initial stiffness and dissipated energy of the redesigned structure are controlled.",

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Choi, SW, Lee, JH, Kim, YS & Park, HS 2012, The optimal drift design method to control the elastic and inelastic performance of steel moment frames. in Proceedings of the 11th International Conference on Computational Structures Technology, CST 2012. vol. 99, Civil-Comp Press, 11th International Conference on Computational Structures Technology, CST 2012, Dubrovnik, Croatia, 12/9/4.

The optimal drift design method to control the elastic and inelastic performance of steel moment frames. / Choi, S. W.; Lee, J. H.; Kim, Y. S.; Park, H. S.

Proceedings of the 11th International Conference on Computational Structures Technology, CST 2012. Vol. 99 Civil-Comp Press, 2012.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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