Numerical modelling of contact element for concrete-to-concrete bond

Interface shear strength is an essential requirement to ensure composite action of a composite slab. In order to achieve full composite action, the shear strength at the interface must be strong enough to resist horizontal shear which totally depends on bond and shear of the contacted surfaces. The...

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Main Author:	Ali, Tasnim Yakath
Format:	Thesis
Language:	English
Published:	2014
Subjects:	TA Engineering (General) Civil engineering (General)
Online Access:	http://eprints.utm.my/id/eprint/48545/1/TasnimBintiYakathAliMFKA2014.pdf
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spelling	my-utm-ep.485452017-08-13T04:32:45Z Numerical modelling of contact element for concrete-to-concrete bond 2014 Ali, Tasnim Yakath TA Engineering (General). Civil engineering (General) Interface shear strength is an essential requirement to ensure composite action of a composite slab. In order to achieve full composite action, the shear strength at the interface must be strong enough to resist horizontal shear which totally depends on bond and shear of the contacted surfaces. The horizontal shear must be effectively transferred through the interface of the elements. This research is aimed to investigate the shear strength at interface of existing concrete with new layer of concrete topping by use of numerical analysis. The importance of such knowledge is enhanced by the fact that precast slab is mostly preferable in construction of floor and roof system because of the economical use of the concrete and its light weight properties. In this study, two contact elements namely Rigid Body and Slide Line are used to model concrete-to-concrete bond of existing concrete and new layer of concrete topping. To this regard, the proposed material modelsare integrated into finite element software through a basis of experimental data from small scale push-off test. The main consideration include in model are details of the structural components, contact condition between existing concrete and new layer of concrete topping, associated boundary conditions and loading. The load-slip relationship of finite element analysis result is then verified with the experimental test. From the finite element analysis result, the Slide Line contact element shows good agreement with experimental result with 20.12% difference compare to 28.41% by Rigid Body contact element. 2014 Thesis http://eprints.utm.my/id/eprint/48545/ http://eprints.utm.my/id/eprint/48545/1/TasnimBintiYakathAliMFKA2014.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:79565?queryType=vitalDismax&query=Numerical+modelling+of+contact+element+for+concrete-to-concrete+bond&public=true masters Universiti Teknologi Malaysia, Faculty of Civil Engineering Faculty of Civil Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TA Engineering (General) Civil engineering (General)
spellingShingle	TA Engineering (General) Civil engineering (General) Ali, Tasnim Yakath Numerical modelling of contact element for concrete-to-concrete bond
description	Interface shear strength is an essential requirement to ensure composite action of a composite slab. In order to achieve full composite action, the shear strength at the interface must be strong enough to resist horizontal shear which totally depends on bond and shear of the contacted surfaces. The horizontal shear must be effectively transferred through the interface of the elements. This research is aimed to investigate the shear strength at interface of existing concrete with new layer of concrete topping by use of numerical analysis. The importance of such knowledge is enhanced by the fact that precast slab is mostly preferable in construction of floor and roof system because of the economical use of the concrete and its light weight properties. In this study, two contact elements namely Rigid Body and Slide Line are used to model concrete-to-concrete bond of existing concrete and new layer of concrete topping. To this regard, the proposed material modelsare integrated into finite element software through a basis of experimental data from small scale push-off test. The main consideration include in model are details of the structural components, contact condition between existing concrete and new layer of concrete topping, associated boundary conditions and loading. The load-slip relationship of finite element analysis result is then verified with the experimental test. From the finite element analysis result, the Slide Line contact element shows good agreement with experimental result with 20.12% difference compare to 28.41% by Rigid Body contact element.
format	Thesis
qualification_level	Master's degree
author	Ali, Tasnim Yakath
author_facet	Ali, Tasnim Yakath
author_sort	Ali, Tasnim Yakath
title	Numerical modelling of contact element for concrete-to-concrete bond
title_short	Numerical modelling of contact element for concrete-to-concrete bond
title_full	Numerical modelling of contact element for concrete-to-concrete bond
title_fullStr	Numerical modelling of contact element for concrete-to-concrete bond
title_full_unstemmed	Numerical modelling of contact element for concrete-to-concrete bond
title_sort	numerical modelling of contact element for concrete-to-concrete bond
granting_institution	Universiti Teknologi Malaysia, Faculty of Civil Engineering
granting_department	Faculty of Civil Engineering
publishDate	2014
url	http://eprints.utm.my/id/eprint/48545/1/TasnimBintiYakathAliMFKA2014.pdf
_version_	1747817416567554048

Numerical modelling of contact element for concrete-to-concrete bond

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