Optimal drift design model for multi-story buildings subjected to dynamic lateral forces

Hyo Seon Park, Jun Hyeok Kwon

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

An optimal drift design model for a linear multi-story building structure under dynamic lateral forces is presented. The drift design model is formulated into a minimum weight design problem subjected to constraints on stresses, the displacement at the top of a building, and inter-story drift. The optimal drift design model consists of three main components: an optimizer, a response spectrum analysis module, and a sensitivity analysis module. Using a small example, the validation of the proposed model has been tested by a comparison of optimal solutions. Then, the performance of the optimal drift design model is demonstrated by application to three steel frame structures including a 40-story building. Various structural responses including lateral displacement and inter-story drift distributions along the height of the structure at the initial and final design stages are presented in figures and tables. Time-consuming trial-and-error processes related to drift control of a tall building subjected to lateral loads is avoided by the proposed optimal drift design method.

Original languageEnglish
Pages (from-to)317-333
Number of pages17
JournalStructural Design of Tall and Special Buildings
Volume12
Issue number4
DOIs
Publication statusPublished - 2003 Dec 1

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Tall buildings
Spectrum analysis
Sensitivity analysis
Loads (forces)
Steel

All Science Journal Classification (ASJC) codes

  • Architecture
  • Civil and Structural Engineering
  • Building and Construction

Cite this

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abstract = "An optimal drift design model for a linear multi-story building structure under dynamic lateral forces is presented. The drift design model is formulated into a minimum weight design problem subjected to constraints on stresses, the displacement at the top of a building, and inter-story drift. The optimal drift design model consists of three main components: an optimizer, a response spectrum analysis module, and a sensitivity analysis module. Using a small example, the validation of the proposed model has been tested by a comparison of optimal solutions. Then, the performance of the optimal drift design model is demonstrated by application to three steel frame structures including a 40-story building. Various structural responses including lateral displacement and inter-story drift distributions along the height of the structure at the initial and final design stages are presented in figures and tables. Time-consuming trial-and-error processes related to drift control of a tall building subjected to lateral loads is avoided by the proposed optimal drift design method.",
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Optimal drift design model for multi-story buildings subjected to dynamic lateral forces. / Park, Hyo Seon; Kwon, Jun Hyeok.

In: Structural Design of Tall and Special Buildings, Vol. 12, No. 4, 01.12.2003, p. 317-333.

Research output: Contribution to journalArticle

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