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Flexural behaviour of reinforced lightweight foamed mortar beams and slabs

This paper presents the experimental results on flexural behaviour of reinforced concrete beams and slabs made of lightweight foamed mortar with density ranged from 1700 to 1800 kg/m3. Beam specimens consist of seven lightweight foamed mortar beams and three normal weight concrete beams acted as the...

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Main Authors: Lee, Y. L., Lim, J. H., Lim, S. K., Tan, C. S.
Format: Article
Published: Springer Verlag 2017
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access:http://eprints.utm.my/id/eprint/77161/
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85037650670&doi=10.1007%2fs12205-017-1822-0&partnerID=40&md5=93a5b4dc03f17ef7a75468ccaee51cb3
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spelling my.utm.771612018-05-31T09:36:26Z http://eprints.utm.my/id/eprint/77161/ Flexural behaviour of reinforced lightweight foamed mortar beams and slabs Lee, Y. L. Lim, J. H. Lim, S. K. Tan, C. S. TA Engineering (General). Civil engineering (General) This paper presents the experimental results on flexural behaviour of reinforced concrete beams and slabs made of lightweight foamed mortar with density ranged from 1700 to 1800 kg/m3. Beam specimens consist of seven lightweight foamed mortar beams and three normal weight concrete beams acted as the control sample. Whereas, slab specimens contain two lightweight foamed mortar slabs and two normal weight concrete slabs. Four types of lightweight foamed mortar with different cement-sand ratios and water-cement ratios designated as LW-1, LW-2, LW-3 and LW-4 were produced in order to achieve targeted compressive strength of 20 MPa at 28 days for structural usage. The results showed that reinforced lightweight foamed mortar beams sustained about 8% to 34% lower ultimate load as compared to normal weight reinforced concrete with same reinforcement configuration. However, lightweight foamed mortar slab sustained higher ultimate load, averagely 18% as compared to normal weight slab. Apart from that, it was observed that the both reinforced lightweight foamed mortar beams and slabs were weak in resisting shear forces nonetheless flexural failure cannot be ignored entirely due to the presence of excessive yielding of the steel strain data. Springer Verlag 2017 Article PeerReviewed Lee, Y. L. and Lim, J. H. and Lim, S. K. and Tan, C. S. (2017) Flexural behaviour of reinforced lightweight foamed mortar beams and slabs. KSCE Journal of Civil Engineering . pp. 1-10. ISSN 1226-7988 (In Press) https://www.scopus.com/inward/record.uri?eid=2-s2.0-85037650670&doi=10.1007%2fs12205-017-1822-0&partnerID=40&md5=93a5b4dc03f17ef7a75468ccaee51cb3 DOI:10.1007/s12205-017-1822-0
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Lee, Y. L.
Lim, J. H.
Lim, S. K.
Tan, C. S.
Flexural behaviour of reinforced lightweight foamed mortar beams and slabs
description This paper presents the experimental results on flexural behaviour of reinforced concrete beams and slabs made of lightweight foamed mortar with density ranged from 1700 to 1800 kg/m3. Beam specimens consist of seven lightweight foamed mortar beams and three normal weight concrete beams acted as the control sample. Whereas, slab specimens contain two lightweight foamed mortar slabs and two normal weight concrete slabs. Four types of lightweight foamed mortar with different cement-sand ratios and water-cement ratios designated as LW-1, LW-2, LW-3 and LW-4 were produced in order to achieve targeted compressive strength of 20 MPa at 28 days for structural usage. The results showed that reinforced lightweight foamed mortar beams sustained about 8% to 34% lower ultimate load as compared to normal weight reinforced concrete with same reinforcement configuration. However, lightweight foamed mortar slab sustained higher ultimate load, averagely 18% as compared to normal weight slab. Apart from that, it was observed that the both reinforced lightweight foamed mortar beams and slabs were weak in resisting shear forces nonetheless flexural failure cannot be ignored entirely due to the presence of excessive yielding of the steel strain data.
format Article
author Lee, Y. L.
Lim, J. H.
Lim, S. K.
Tan, C. S.
author_facet Lee, Y. L.
Lim, J. H.
Lim, S. K.
Tan, C. S.
author_sort Lee, Y. L.
title Flexural behaviour of reinforced lightweight foamed mortar beams and slabs
title_short Flexural behaviour of reinforced lightweight foamed mortar beams and slabs
title_full Flexural behaviour of reinforced lightweight foamed mortar beams and slabs
title_fullStr Flexural behaviour of reinforced lightweight foamed mortar beams and slabs
title_full_unstemmed Flexural behaviour of reinforced lightweight foamed mortar beams and slabs
title_sort flexural behaviour of reinforced lightweight foamed mortar beams and slabs
publisher Springer Verlag
publishDate 2017
url http://eprints.utm.my/id/eprint/77161/
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85037650670&doi=10.1007%2fs12205-017-1822-0&partnerID=40&md5=93a5b4dc03f17ef7a75468ccaee51cb3
_version_ 1643657515198578688
score 13.211869

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