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Rational mix design of lightweight concrete for optimum strength

In this study, structural lightweight concretes produced by Coarse lightweight Crushed brick and Fine light weight crushed brick (CLWA & FLWA) were investigated. Compressive strength and Density of the concretes were determined in order to make some procedures for mix design of lightweight c...

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Main Authors: Th. Dawood, Eethar, Ramli, Mahyuddin
Format: Conference or Workshop Item
Language:English
Published: 2008
Subjects:
TH1-9745 Building construction
Online Access:http://eprints.usm.my/34443/1/HBP11.pdf
http://eprints.usm.my/34443/
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spelling my.usm.eprints.34443 http://eprints.usm.my/34443/ Rational mix design of lightweight concrete for optimum strength Th. Dawood, Eethar Ramli, Mahyuddin TH1-9745 Building construction In this study, structural lightweight concretes produced by Coarse lightweight Crushed brick and Fine light weight crushed brick (CLWA & FLWA) were investigated. Compressive strength and Density of the concretes were determined in order to make some procedures for mix design of lightweight concrete. In producing the mixtures, superplasticizer (SP) was used in 1% of cement weight to improve the workability. In conclusion, the fresh density of lightweight concrete with fully replacement of sand by FLWA was decreased by about 200 kg/m3 compared with the mix of fully sand as fine aggregate with no reduction for the compressive strength. It was concluded also that the voids between fine aggregate particles (sand + FLWA) affect on the compressive strength of the mix especially at 28 days. This study suggests inclusion of the voids between fine aggregate particles as a significant factor affects on the compressive strength of lightweight concrete. 2008-12 Conference or Workshop Item PeerReviewed application/pdf en http://eprints.usm.my/34443/1/HBP11.pdf Th. Dawood, Eethar and Ramli, Mahyuddin (2008) Rational mix design of lightweight concrete for optimum strength. In: 2nd International Conference on Built Environment in Developing Countries., 3rd- 4th December 2008, Universiti Sains Malaysia, Pulau Pinang.
institution Universiti Sains Malaysia
building Hamzah Sendut Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Sains Malaysia
content_source USM Institutional Repository
url_provider http://eprints.usm.my/
language English
topic TH1-9745 Building construction
spellingShingle TH1-9745 Building construction
Th. Dawood, Eethar
Ramli, Mahyuddin
Rational mix design of lightweight concrete for optimum strength
description In this study, structural lightweight concretes produced by Coarse lightweight Crushed brick and Fine light weight crushed brick (CLWA & FLWA) were investigated. Compressive strength and Density of the concretes were determined in order to make some procedures for mix design of lightweight concrete. In producing the mixtures, superplasticizer (SP) was used in 1% of cement weight to improve the workability. In conclusion, the fresh density of lightweight concrete with fully replacement of sand by FLWA was decreased by about 200 kg/m3 compared with the mix of fully sand as fine aggregate with no reduction for the compressive strength. It was concluded also that the voids between fine aggregate particles (sand + FLWA) affect on the compressive strength of the mix especially at 28 days. This study suggests inclusion of the voids between fine aggregate particles as a significant factor affects on the compressive strength of lightweight concrete.
format Conference or Workshop Item
author Th. Dawood, Eethar
Ramli, Mahyuddin
author_facet Th. Dawood, Eethar
Ramli, Mahyuddin
author_sort Th. Dawood, Eethar
title Rational mix design of lightweight concrete for optimum strength
title_short Rational mix design of lightweight concrete for optimum strength
title_full Rational mix design of lightweight concrete for optimum strength
title_fullStr Rational mix design of lightweight concrete for optimum strength
title_full_unstemmed Rational mix design of lightweight concrete for optimum strength
title_sort rational mix design of lightweight concrete for optimum strength
publishDate 2008
url http://eprints.usm.my/34443/1/HBP11.pdf
http://eprints.usm.my/34443/
_version_ 1643708209706303488
score 13.211869

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