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Investigation on the flexural behaviour of high-performance reinforced concrete beams using sandstone aggregates

Abstract In recent years, an emerging technology termed high-performance concrete (HPC) has become popular in construction industry. The constituent materials of HPC depend on the desired characteristics and the availability of suitable local economic alternatives. Tests are reported in...

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Main Authors: Kumar, P.S, Mannan , M.A., Kurian, V.J., Achyutha, H.
Format: Article
Published: ELSEVIER 2007
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access:http://eprints.utp.edu.my/1282/1/Investigation-on-the-flexural-behaviour-of-high-performance-reinforced-concrete-beams-using-sandstone-aggregates_2007_Building-and-Environment_1.pdf
http://eprints.utp.edu.my/1282/
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spelling my.utp.eprints.12822017-01-19T08:27:05Z Investigation on the flexural behaviour of high-performance reinforced concrete beams using sandstone aggregates Kumar, P.S Mannan , M.A. Kurian, V.J. Achyutha, H. TA Engineering (General). Civil engineering (General) Abstract In recent years, an emerging technology termed high-performance concrete (HPC) has become popular in construction industry. The constituent materials of HPC depend on the desired characteristics and the availability of suitable local economic alternatives. Tests are reported in this study on the flexural behaviour of high-performance reinforced concrete (HPRC) beams made with crushed sandstone coarse and fine aggregate together with silica fume. The beams were made from concrete having compressive strength of 74 and 78 N/mm2 and tensile reinforcement ratio in the range of 1.34–3.14%. The ultimate moment for the tested beams was found to be about 14–30% and 3–9% higher than that of the predicted ultimate moment based on BS 8110 and ACI 318, respectively. Due to lower stiffness of sandstone aggregates, the beams resulted in excessive deflection under service loads. The observed crack width under service loads were within acceptable limits. The mineral fillers in crushed sandstone sand and silica fume increased the flexural stiffness of HPRC beams and resulted in adequate safety factors against flexural failure. The test results showed that it is possible to produce HPC using sandstone aggregates with silica fume and superplasticisers. r 2006 Elsevier Ltd. All rights reserved. Keywords: High-performance concrete; Crushed sandstone aggregate; Deflection; Crack width; Concrete strain ELSEVIER 2007 Article PeerReviewed application/pdf http://eprints.utp.edu.my/1282/1/Investigation-on-the-flexural-behaviour-of-high-performance-reinforced-concrete-beams-using-sandstone-aggregates_2007_Building-and-Environment_1.pdf Kumar, P.S and Mannan , M.A. and Kurian, V.J. and Achyutha, H. (2007) Investigation on the flexural behaviour of high-performance reinforced concrete beams using sandstone aggregates. Building and Environment, 42 (7). pp. 2622-2629. ISSN 0360-1323 http://eprints.utp.edu.my/1282/
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Kumar, P.S
Mannan , M.A.
Kurian, V.J.
Achyutha, H.
Investigation on the flexural behaviour of high-performance reinforced concrete beams using sandstone aggregates
description Abstract In recent years, an emerging technology termed high-performance concrete (HPC) has become popular in construction industry. The constituent materials of HPC depend on the desired characteristics and the availability of suitable local economic alternatives. Tests are reported in this study on the flexural behaviour of high-performance reinforced concrete (HPRC) beams made with crushed sandstone coarse and fine aggregate together with silica fume. The beams were made from concrete having compressive strength of 74 and 78 N/mm2 and tensile reinforcement ratio in the range of 1.34–3.14%. The ultimate moment for the tested beams was found to be about 14–30% and 3–9% higher than that of the predicted ultimate moment based on BS 8110 and ACI 318, respectively. Due to lower stiffness of sandstone aggregates, the beams resulted in excessive deflection under service loads. The observed crack width under service loads were within acceptable limits. The mineral fillers in crushed sandstone sand and silica fume increased the flexural stiffness of HPRC beams and resulted in adequate safety factors against flexural failure. The test results showed that it is possible to produce HPC using sandstone aggregates with silica fume and superplasticisers. r 2006 Elsevier Ltd. All rights reserved. Keywords: High-performance concrete; Crushed sandstone aggregate; Deflection; Crack width; Concrete strain
format Article
author Kumar, P.S
Mannan , M.A.
Kurian, V.J.
Achyutha, H.
author_facet Kumar, P.S
Mannan , M.A.
Kurian, V.J.
Achyutha, H.
author_sort Kumar, P.S
title Investigation on the flexural behaviour of high-performance reinforced concrete beams using sandstone aggregates
title_short Investigation on the flexural behaviour of high-performance reinforced concrete beams using sandstone aggregates
title_full Investigation on the flexural behaviour of high-performance reinforced concrete beams using sandstone aggregates
title_fullStr Investigation on the flexural behaviour of high-performance reinforced concrete beams using sandstone aggregates
title_full_unstemmed Investigation on the flexural behaviour of high-performance reinforced concrete beams using sandstone aggregates
title_sort investigation on the flexural behaviour of high-performance reinforced concrete beams using sandstone aggregates
publisher ELSEVIER
publishDate 2007
url http://eprints.utp.edu.my/1282/1/Investigation-on-the-flexural-behaviour-of-high-performance-reinforced-concrete-beams-using-sandstone-aggregates_2007_Building-and-Environment_1.pdf
http://eprints.utp.edu.my/1282/
_version_ 1738655119053946880
score 13.211869

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