Moving average correction method for compensation of differential column shortenings in high-rise buildings

Sung Woo Park, Se Woon Choi, Hyo Seon Park

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The differential length changes of vertical members in a high-rise building due to elastic, creep and shrinkage shortenings are of primary concern since the differential shortening of the vertical members causes unexpected damages on structural and nonstructural members. In contrast to researches on prediction methods for calculation of the amount of the shortenings, only few methods or algorithms of compensation of the differential column shortenings have been reported. In this paper, a practical compensation method using moving average correction is presented. The proposed method is applied to the compensation of the differential shortenings of the vertical members in a 70-story high-rise building. The performance of the moving average correction method is compared with the optimal compensation method based on simulated annealing algorithm. It is demonstrated that the magnitude of the differential shortening or the degree of the slab tilt due to the length changes in the vertical members can be controlled without using structural optimization techniques.

Original languageEnglish
Pages (from-to)718-728
Number of pages11
JournalStructural Design of Tall and Special Buildings
Volume22
Issue number9
DOIs
Publication statusPublished - 2013 Jun 25

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Architecture
  • Building and Construction

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