Second-order effects in horizontally loaded reinforced concrete columns

This paper deals with the second-order effects in horizontally loaded reinforced concrete columns. The current standard approach according to Eurocode 2 is the starting point for the considerations. Simplified methods that take into account the secondary effects, that is, the nominal stiffness metho...

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Main Authors: Pędziwiatr Janusz, Musiał Michał
Format: Article
Language:English
Published: Sciendo 2023-12-01
Series:Studia Geotechnica et Mechanica
Subjects:
Online Access:https://doi.org/10.2478/sgem-2023-0022
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author Pędziwiatr Janusz
Musiał Michał
author_facet Pędziwiatr Janusz
Musiał Michał
author_sort Pędziwiatr Janusz
collection DOAJ
description This paper deals with the second-order effects in horizontally loaded reinforced concrete columns. The current standard approach according to Eurocode 2 is the starting point for the considerations. Simplified methods that take into account the secondary effects, that is, the nominal stiffness method and the nominal curvature method, and their limitations are discussed. Most attention is devoted to the general method. As only general guidelines for this method can be found in the literature on the subject, the author presents his own original approach to calculations done using this method. Exemplary analyses for the corbel columns of high bay racked warehouses are made. Columns of different lengths are analyzed. The calculations show the overestimates introduced by the simplified methods and the benefits stemming from the use of the general method, especially in the case of quite slender columns.
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spelling doaj.art-3c75fbe9ed73465391c566ca1947fead2024-01-29T08:54:10ZengSciendoStudia Geotechnica et Mechanica2083-831X2023-12-0145411310.2478/sgem-2023-0022Second-order effects in horizontally loaded reinforced concrete columnsPędziwiatr Janusz0Musiał Michał1Wroclaw University of Science and Technology, Faculty of Civil EngineeringWroclaw University of Science and Technology, Faculty of Civil EngineeringThis paper deals with the second-order effects in horizontally loaded reinforced concrete columns. The current standard approach according to Eurocode 2 is the starting point for the considerations. Simplified methods that take into account the secondary effects, that is, the nominal stiffness method and the nominal curvature method, and their limitations are discussed. Most attention is devoted to the general method. As only general guidelines for this method can be found in the literature on the subject, the author presents his own original approach to calculations done using this method. Exemplary analyses for the corbel columns of high bay racked warehouses are made. Columns of different lengths are analyzed. The calculations show the overestimates introduced by the simplified methods and the benefits stemming from the use of the general method, especially in the case of quite slender columns.https://doi.org/10.2478/sgem-2023-0022bucklingcolumngeneral methodreinforced concretesecond-order effects
spellingShingle Pędziwiatr Janusz
Musiał Michał
Second-order effects in horizontally loaded reinforced concrete columns
Studia Geotechnica et Mechanica
buckling
column
general method
reinforced concrete
second-order effects
title Second-order effects in horizontally loaded reinforced concrete columns
title_full Second-order effects in horizontally loaded reinforced concrete columns
title_fullStr Second-order effects in horizontally loaded reinforced concrete columns
title_full_unstemmed Second-order effects in horizontally loaded reinforced concrete columns
title_short Second-order effects in horizontally loaded reinforced concrete columns
title_sort second order effects in horizontally loaded reinforced concrete columns
topic buckling
column
general method
reinforced concrete
second-order effects
url https://doi.org/10.2478/sgem-2023-0022
work_keys_str_mv AT pedziwiatrjanusz secondordereffectsinhorizontallyloadedreinforcedconcretecolumns
AT musiałmichał secondordereffectsinhorizontallyloadedreinforcedconcretecolumns