Natural Time Period Equations for Moment Resisting Reinforced Concrete Structures Comprising Hollow Sections

Prajapati, SS; Far, H; Aghayarzadeh, M

Natural Time Period Equations for Moment Resisting Reinforced Concrete Structures Comprising Hollow Sections

Prajapati, SS Far, H

Aghayarzadeh, M

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Publisher:: Techno-press
Publication Type:: Journal Article
Citation:: Computers and Concrete, 2020, 26, (4)
Issue Date:: 2020-10-29

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Field	Value	Language
dc.contributor.author	Prajapati, SS
dc.contributor.author	Far, H https://orcid.org/0000-0003-3480-6582
dc.contributor.author	Aghayarzadeh, M
dc.date.accessioned	2020-10-15T00:09:52Z
dc.date.available	2020-09-25
dc.date.available	2020-10-15T00:09:52Z
dc.date.issued	2020-10-29
dc.identifier.citation	Computers and Concrete, 2020, 26, (4)
dc.identifier.issn	1598-818X
dc.identifier.uri	http://hdl.handle.net/10453/143251
dc.description.abstract	A precise estimation of the natural time period of buildings improves design quality, causes a significant reduction of the buildings’ weight, and eventually leads to a cost-effective design. In this study, in order to optimise the reinforced concrete frames design, some symmetrical and unsymmetrical buildings composed of solid and hollow members have been simulated using finite element software SAP 2000. In numerical models, different parameters such as overturning moment, story drift, deflection, base reactions, and stiffness of the buildings were investigated and the results have been compared with strength and serviceability limit criteria proposed by Australian Standard (AS 3600 2018). Comparing the results of the numerical modelling with existing standards and performing a cost analysis proved the merits of hollow box sections compared to solid sections. Finally, based on numerical simulation results, two equations for natural time period of moment resisting reinforced concrete buildings have been presented. Both derived equations reflected higher degree of correlation and reliability with different complexities of building when compared with existing standards and relationships provided by other scholars. Therefore, these equations will assist practicing engineers to predict elastic behaivour of structures more precisely.
dc.language	en
dc.publisher	Techno-press
dc.relation.ispartof	Computers and Concrete
dc.relation.isbasedon	10.12989/cac.2020.26.4.000
dc.rights	info:eu-repo/semantics/restrictedAccess
dc.subject	0905 Civil Engineering
dc.subject.classification	Building & Construction
dc.title	Natural Time Period Equations for Moment Resisting Reinforced Concrete Structures Comprising Hollow Sections
dc.type	Journal Article
utslib.citation.volume	26
utslib.for	0905 Civil Engineering
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Strength - CBI - Centre for Built Infrastructure
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
pubs.organisational-group	/University of Technology Sydney
utslib.copyright.status	closed_access	*
pubs.consider-herdc	true
dc.date.updated	2020-10-15T00:09:46Z
pubs.issue	4
pubs.publication-status	Published
pubs.volume	26
utslib.citation.issue	4

Abstract:

A precise estimation of the natural time period of buildings improves design quality, causes a significant reduction of the buildings’ weight, and eventually leads to a cost-effective design. In this study, in order to optimise the reinforced concrete frames design, some symmetrical and unsymmetrical buildings composed of solid and hollow members have been simulated using finite element software SAP 2000. In numerical models, different parameters such as overturning moment, story drift, deflection, base reactions, and stiffness of the buildings were investigated and the results have been compared with strength and serviceability limit criteria proposed by Australian Standard (AS 3600 2018). Comparing the results of the numerical modelling with existing standards and performing a cost analysis proved the merits of hollow box sections compared to solid sections. Finally, based on numerical simulation results, two equations for natural time period of moment resisting reinforced concrete buildings have been presented. Both derived equations reflected higher degree of correlation and reliability with different complexities of building when compared with existing standards and relationships provided by other scholars. Therefore, these equations will assist practicing engineers to predict elastic behaivour of structures more precisely.

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http://hdl.handle.net/10453/143251