THE EFFECT OF THE SELECTION OF COLUMN AXES ON THE INTERNAL FORCES

In the idealization of structural frames, certain questions require special comments. The most important of these are; the effective span lengths, effective moment of inertia, and conditions of supports. In an elastic frame analysis, a structure is usually represented by a simple line diagram, which...

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Main Authors: Hasan ELÇİ, Mehmet TERZİ
Format: Article
Language:English
Published: Pamukkale University 2006-01-01
Series:Pamukkale University Journal of Engineering Sciences
Subjects:
Online Access:http://dergipark.ulakbim.gov.tr/pajes/article/view/5000089204
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author Hasan ELÇİ
Mehmet TERZİ
author_facet Hasan ELÇİ
Mehmet TERZİ
author_sort Hasan ELÇİ
collection DOAJ
description In the idealization of structural frames, certain questions require special comments. The most important of these are; the effective span lengths, effective moment of inertia, and conditions of supports. In an elastic frame analysis, a structure is usually represented by a simple line diagram, which is based on the centerline distance between columns and between floor beams. Actually, the depths of beams and the widths of columns amount to sizable fractions of the respective lengths are considerably smaller than their centerline distance between joints. It is evident that the usual assumption in a frame analysis that the members are prismatic, with constant moment of inertia between centerlines, is not strictly correct. A beam intersection with a column may be prismatic up to the column face, but from that point to the column centerline, it has a greatly increased depth, with a moment of inertia that could be considered infinite compared with that of the remainder of the span. In addition, some eccentricities occur on the column axis due to variation of column dimensions and erroneous production. In this study, the effects of the selection of column longitudinal axes at planar frame system structures were investigated.
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spelling doaj.art-862eea69bfbf4c9ab039f8852f62535e2023-02-15T16:20:27ZengPamukkale UniversityPamukkale University Journal of Engineering Sciences1300-70092147-58812006-01-0112165725000083272THE EFFECT OF THE SELECTION OF COLUMN AXES ON THE INTERNAL FORCESHasan ELÇİMehmet TERZİIn the idealization of structural frames, certain questions require special comments. The most important of these are; the effective span lengths, effective moment of inertia, and conditions of supports. In an elastic frame analysis, a structure is usually represented by a simple line diagram, which is based on the centerline distance between columns and between floor beams. Actually, the depths of beams and the widths of columns amount to sizable fractions of the respective lengths are considerably smaller than their centerline distance between joints. It is evident that the usual assumption in a frame analysis that the members are prismatic, with constant moment of inertia between centerlines, is not strictly correct. A beam intersection with a column may be prismatic up to the column face, but from that point to the column centerline, it has a greatly increased depth, with a moment of inertia that could be considered infinite compared with that of the remainder of the span. In addition, some eccentricities occur on the column axis due to variation of column dimensions and erroneous production. In this study, the effects of the selection of column longitudinal axes at planar frame system structures were investigated.http://dergipark.ulakbim.gov.tr/pajes/article/view/5000089204Betonarme, Kolon ekseni, Rijit uçlar
spellingShingle Hasan ELÇİ
Mehmet TERZİ
THE EFFECT OF THE SELECTION OF COLUMN AXES ON THE INTERNAL FORCES
Pamukkale University Journal of Engineering Sciences
Betonarme, Kolon ekseni, Rijit uçlar
title THE EFFECT OF THE SELECTION OF COLUMN AXES ON THE INTERNAL FORCES
title_full THE EFFECT OF THE SELECTION OF COLUMN AXES ON THE INTERNAL FORCES
title_fullStr THE EFFECT OF THE SELECTION OF COLUMN AXES ON THE INTERNAL FORCES
title_full_unstemmed THE EFFECT OF THE SELECTION OF COLUMN AXES ON THE INTERNAL FORCES
title_short THE EFFECT OF THE SELECTION OF COLUMN AXES ON THE INTERNAL FORCES
title_sort effect of the selection of column axes on the internal forces
topic Betonarme, Kolon ekseni, Rijit uçlar
url http://dergipark.ulakbim.gov.tr/pajes/article/view/5000089204
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