Optimum Design of an Innovative lightweight Precast Sandwich-Type floor panels with resisting facings and lightweight concrete core

In this study، a new roofing system made of precast composite sandwich panels is introduced. This sandwich panels floor system consists of three kinds of precast concrete sandwich panels including capital panels، beam or between columns panels، and slab or middle panels. This panels are built of thr...

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Autores principales:	Ashkan Torbi, Allahdad Ahmadi
Formato:	article
Lenguaje:	FA
Publicado:	Iranian Society of Structrual Engineering (ISSE) 2018
Materias:	optimizing light concrete core sandwich panel precast connection Bridge engineering TG1-470 Building construction TH1-9745
Acceso en línea:	https://doaj.org/article/6e3d446a633f42b98fb33626bbb87d47
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spelling	oai:doaj.org-article:6e3d446a633f42b98fb33626bbb87d472021-11-08T15:50:59ZOptimum Design of an Innovative lightweight Precast Sandwich-Type floor panels with resisting facings and lightweight concrete core2476-39772538-261610.22065/jsce.2017.67981.1005https://doaj.org/article/6e3d446a633f42b98fb33626bbb87d472018-11-01T00:00:00Zhttps://www.jsce.ir/article_48593_c98efbd34706178165cc71be3ae77c84.pdfhttps://doaj.org/toc/2476-3977https://doaj.org/toc/2538-2616In this study، a new roofing system made of precast composite sandwich panels is introduced. This sandwich panels floor system consists of three kinds of precast concrete sandwich panels including capital panels، beam or between columns panels، and slab or middle panels. This panels are built of three layers; A high strength reinforced concrete as top layer، a thick layer of light-weight concrete as a middle layer or core and the third layer or lowest layer is an ordinary reinforced concrete. These panels are connected together with special connectors at their edges. In this study، ABAQUS software has been used for modeling and analyzing the sandwich panels floor system. Moreover، to optimize the design of the sandwich floor panels with different spans، a MATLAB code has been was developed; By entering the properties of steel sections and mechanical properties of concrete used in construction of the sandwich panel in this program the optimum design variables for panels of different، spans، loading and boundary conditions and design constraints was determined which are shown by means of curves and tables; The objective of this optimization was to obtain the lightest and most economical options. Due to possibility of industrial production of precast panels under standard conditions and simplicity of construction, the introduced novel floor system can be a viable alternative for common floor systems. Besides ،the novel system can save amount of material، labor، time، and cost in building construction.Ashkan TorbiAllahdad AhmadiIranian Society of Structrual Engineering (ISSE)articleoptimizinglight concrete coresandwich panelprecastconnectionBridge engineeringTG1-470Building constructionTH1-9745FAJournal of Structural and Construction Engineering, Vol 5, Iss شماره ویژه 3, Pp 210-229 (2018)
institution	DOAJ
collection	DOAJ
language	FA
topic	optimizing light concrete core sandwich panel precast connection Bridge engineering TG1-470 Building construction TH1-9745
spellingShingle	optimizing light concrete core sandwich panel precast connection Bridge engineering TG1-470 Building construction TH1-9745 Ashkan Torbi Allahdad Ahmadi Optimum Design of an Innovative lightweight Precast Sandwich-Type floor panels with resisting facings and lightweight concrete core
description	In this study، a new roofing system made of precast composite sandwich panels is introduced. This sandwich panels floor system consists of three kinds of precast concrete sandwich panels including capital panels، beam or between columns panels، and slab or middle panels. This panels are built of three layers; A high strength reinforced concrete as top layer، a thick layer of light-weight concrete as a middle layer or core and the third layer or lowest layer is an ordinary reinforced concrete. These panels are connected together with special connectors at their edges. In this study، ABAQUS software has been used for modeling and analyzing the sandwich panels floor system. Moreover، to optimize the design of the sandwich floor panels with different spans، a MATLAB code has been was developed; By entering the properties of steel sections and mechanical properties of concrete used in construction of the sandwich panel in this program the optimum design variables for panels of different، spans، loading and boundary conditions and design constraints was determined which are shown by means of curves and tables; The objective of this optimization was to obtain the lightest and most economical options. Due to possibility of industrial production of precast panels under standard conditions and simplicity of construction, the introduced novel floor system can be a viable alternative for common floor systems. Besides ،the novel system can save amount of material، labor، time، and cost in building construction.
format	article
author	Ashkan Torbi Allahdad Ahmadi
author_facet	Ashkan Torbi Allahdad Ahmadi
author_sort	Ashkan Torbi
title	Optimum Design of an Innovative lightweight Precast Sandwich-Type floor panels with resisting facings and lightweight concrete core
title_short	Optimum Design of an Innovative lightweight Precast Sandwich-Type floor panels with resisting facings and lightweight concrete core
title_full	Optimum Design of an Innovative lightweight Precast Sandwich-Type floor panels with resisting facings and lightweight concrete core
title_fullStr	Optimum Design of an Innovative lightweight Precast Sandwich-Type floor panels with resisting facings and lightweight concrete core
title_full_unstemmed	Optimum Design of an Innovative lightweight Precast Sandwich-Type floor panels with resisting facings and lightweight concrete core
title_sort	optimum design of an innovative lightweight precast sandwich-type floor panels with resisting facings and lightweight concrete core
publisher	Iranian Society of Structrual Engineering (ISSE)
publishDate	2018
url	https://doaj.org/article/6e3d446a633f42b98fb33626bbb87d47
work_keys_str_mv	AT ashkantorbi optimumdesignofaninnovativelightweightprecastsandwichtypefloorpanelswithresistingfacingsandlightweightconcretecore AT allahdadahmadi optimumdesignofaninnovativelightweightprecastsandwichtypefloorpanelswithresistingfacingsandlightweightconcretecore
_version_	1718441671650181120

Optimum Design of an Innovative lightweight Precast Sandwich-Type floor panels with resisting facings and lightweight concrete core

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