Comparison of building analyses assuming rigid or flexible floors

Shen-Haw Ju, M. C. Lin

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

The main purpose of this paper is to investigate the difference between the rigid-floor and flexible-floor analyses of buildings. The finite-element method is used to analyze the buildings with and without shear walls. From a number of response-spectrum analyses, the rigid-floor model was found to be accurate enough for regular and nonregular buildings without shear walls. However, the difference between the rigid-floor and flexible-floor analyses can be large for the buildings with shear walls. Thus, an error formula is generated using the regression analysis of the rigid-floor and flexible-floor analyses from 520 rectangular, U-shaped, and T-shaped buildings. Using this formula, one can estimate the error of the structural analysis of a building with shear walls when the rigid-floor assumption is used.

Original languageEnglish
Pages (from-to)25-31
Number of pages7
JournalJournal of Structural Engineering
Volume125
Issue number1
DOIs
Publication statusPublished - 1999 Jan 1

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Building and Construction
  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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