High Performance Reinforced Concrete Beams Made with Sandstone Reactive Aggregate

An investigation on the flexural behaviour of reinforced high performance concrete (HPC) has been conducted. Crushed sandstone known as reactive aggregate was used for both fine and coarse aggregates. In addition, mineral admixtures such as silica fume and fly ash combined with superplasticiser wa...

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Main Authors: Kumar , P.S., Mannan , M.A., Kurian, V.J.
Format: Citation Index Journal
Language:English
Published: 2008
Subjects:
Online Access:http://scholars.utp.edu.my/id/eprint/967/
http://scholars.utp.edu.my/id/eprint/967/1/Suresh-OCBT_Journal-2008.pdf
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author Kumar , P.S.
Mannan , M.A.
Kurian, V.J.
author_facet Kumar , P.S.
Mannan , M.A.
Kurian, V.J.
author_sort Kumar , P.S.
building UTP Institutional Repository
collection Online Access
description An investigation on the flexural behaviour of reinforced high performance concrete (HPC) has been conducted. Crushed sandstone known as reactive aggregate was used for both fine and coarse aggregates. In addition, mineral admixtures such as silica fume and fly ash combined with superplasticiser was used. The beams were made with concrete having compressive strength in the range of 74 - 88 N/mm2 and tensile reinforcement in the range of 1.34 to 3.14 %. The experimental ultimate moment was found to be about 14 - 34 % and 3 - 15 % higher than the predicted ultimate moment based on BS 8110 and ACI 318 respectively. Due to lower stiffness of reactive sandstone aggregates, the actual deflections of the beams were found to be slightly above allowable values under service loads. The observed crack widths under service loads were within acceptable limits. It was found that HPC made with crushed sandstone coarse and fine aggregate had better structural integrity. Hence, there is a high potential to produce high strength HPC using sandstone aggregates with silica fume and fly ash
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spelling oai:scholars.utp.edu.my:9672017-01-19T08:26:33Z http://scholars.utp.edu.my/id/eprint/967/ High Performance Reinforced Concrete Beams Made with Sandstone Reactive Aggregate Kumar , P.S. Mannan , M.A. Kurian, V.J. TA Engineering (General). Civil engineering (General) An investigation on the flexural behaviour of reinforced high performance concrete (HPC) has been conducted. Crushed sandstone known as reactive aggregate was used for both fine and coarse aggregates. In addition, mineral admixtures such as silica fume and fly ash combined with superplasticiser was used. The beams were made with concrete having compressive strength in the range of 74 - 88 N/mm2 and tensile reinforcement in the range of 1.34 to 3.14 %. The experimental ultimate moment was found to be about 14 - 34 % and 3 - 15 % higher than the predicted ultimate moment based on BS 8110 and ACI 318 respectively. Due to lower stiffness of reactive sandstone aggregates, the actual deflections of the beams were found to be slightly above allowable values under service loads. The observed crack widths under service loads were within acceptable limits. It was found that HPC made with crushed sandstone coarse and fine aggregate had better structural integrity. Hence, there is a high potential to produce high strength HPC using sandstone aggregates with silica fume and fly ash 2008 Citation Index Journal PeerReviewed application/pdf en http://scholars.utp.edu.my/id/eprint/967/1/Suresh-OCBT_Journal-2008.pdf Kumar , P.S. and Mannan , M.A. and Kurian, V.J. (2008) High Performance Reinforced Concrete Beams Made with Sandstone Reactive Aggregate. [Citation Index Journal]
spellingShingle TA Engineering (General). Civil engineering (General)
Kumar , P.S.
Mannan , M.A.
Kurian, V.J.
High Performance Reinforced Concrete Beams Made with Sandstone Reactive Aggregate
title High Performance Reinforced Concrete Beams Made with Sandstone Reactive Aggregate
title_full High Performance Reinforced Concrete Beams Made with Sandstone Reactive Aggregate
title_fullStr High Performance Reinforced Concrete Beams Made with Sandstone Reactive Aggregate
title_full_unstemmed High Performance Reinforced Concrete Beams Made with Sandstone Reactive Aggregate
title_short High Performance Reinforced Concrete Beams Made with Sandstone Reactive Aggregate
title_sort high performance reinforced concrete beams made with sandstone reactive aggregate
topic TA Engineering (General). Civil engineering (General)
url http://scholars.utp.edu.my/id/eprint/967/
http://scholars.utp.edu.my/id/eprint/967/1/Suresh-OCBT_Journal-2008.pdf