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Experimental research on shear capacity of inclined section of basalt fiber reinforced concrete beams

This paper researches the influence of the cracking and ultimate load of the inclined section of concrete beam with the incorporation of basalt fiber. Four basalt fiber reinforced concrete beams with parameters of fiber length and volume ratio were designed and made, where fiber lengths were 12 mm a... Full description

Journal Title: Journal of Shenyang Jianzhu University (Natural Science) Jul 2011, Vol.27(4), pp.674-678, 689
Main Author: Chen, Wei
Other Authors: Wang, Jun
Format: Electronic Article Electronic Article
Language: chi
Subjects:
ID: ISSN: 2095-1922
Link: http://search.proquest.com/docview/912919056/
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title: Experimental research on shear capacity of inclined section of basalt fiber reinforced concrete beams
format: Article
creator:
  • Chen, Wei
  • Wang, Jun
subjects:
  • Indexing in Process
ispartof: Journal of Shenyang Jianzhu University (Natural Science), Jul 2011, Vol.27(4), pp.674-678, 689
description: This paper researches the influence of the cracking and ultimate load of the inclined section of concrete beam with the incorporation of basalt fiber. Four basalt fiber reinforced concrete beams with parameters of fiber length and volume ratio were designed and made, where fiber lengths were 12 mm and 30 mm, and the volume ratios were 0.1% and 0.2%. The test data of basalt fiber reinforced concrete was obtained through the shear experiments. In contrast with the common reinforced concrete beam, the cracking and ultimate load of the basalt fiber reinforced concrete beam increase obviously with the growing of fiber characteristic parameters, and the crack width develop slowly and reduce under the same load. The cohesive force between mortar and coarse aggregate increase with the basalt fiber mixing, and the tensile strength of concrete is enhanced, thus the extension of inclined cracks are restrained, and the mechanical bit force between stirrup and longitudinal bar increase. The results of the experiment show that the four beams' whose the fiber lengths were 12 mm and 30 mm, and the volume ratios were 0.1% and 0.2% shear capacity are improved respectively 5.93%, 13.43%, 19.06%, 21.88% comparison with the common reinforced concrete beam. Based on the results and analysis, the calculation method of the shear capacity of basalt fiber reinforced concrete beam is proposed, which can provide the theoretical basis for the engineering practice.
language: chi
source:
identifier: ISSN: 2095-1922
fulltext: no_fulltext
issn:
  • 20951922
  • 2095-1922
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titleExperimental research on shear capacity of inclined section of basalt fiber reinforced concrete beams
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descriptionThis paper researches the influence of the cracking and ultimate load of the inclined section of concrete beam with the incorporation of basalt fiber. Four basalt fiber reinforced concrete beams with parameters of fiber length and volume ratio were designed and made, where fiber lengths were 12 mm and 30 mm, and the volume ratios were 0.1% and 0.2%. The test data of basalt fiber reinforced concrete was obtained through the shear experiments. In contrast with the common reinforced concrete beam, the cracking and ultimate load of the basalt fiber reinforced concrete beam increase obviously with the growing of fiber characteristic parameters, and the crack width develop slowly and reduce under the same load. The cohesive force between mortar and coarse aggregate increase with the basalt fiber mixing, and the tensile strength of concrete is enhanced, thus the extension of inclined cracks are restrained, and the mechanical bit force between stirrup and longitudinal bar increase. The results of the experiment show that the four beams' whose the fiber lengths were 12 mm and 30 mm, and the volume ratios were 0.1% and 0.2% shear capacity are improved respectively 5.93%, 13.43%, 19.06%, 21.88% comparison with the common reinforced concrete beam. Based on the results and analysis, the calculation method of the shear capacity of basalt fiber reinforced concrete beam is proposed, which can provide the theoretical basis for the engineering practice.
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abstractThis paper researches the influence of the cracking and ultimate load of the inclined section of concrete beam with the incorporation of basalt fiber. Four basalt fiber reinforced concrete beams with parameters of fiber length and volume ratio were designed and made, where fiber lengths were 12 mm and 30 mm, and the volume ratios were 0.1% and 0.2%. The test data of basalt fiber reinforced concrete was obtained through the shear experiments. In contrast with the common reinforced concrete beam, the cracking and ultimate load of the basalt fiber reinforced concrete beam increase obviously with the growing of fiber characteristic parameters, and the crack width develop slowly and reduce under the same load. The cohesive force between mortar and coarse aggregate increase with the basalt fiber mixing, and the tensile strength of concrete is enhanced, thus the extension of inclined cracks are restrained, and the mechanical bit force between stirrup and longitudinal bar increase. The results of the experiment show that the four beams' whose the fiber lengths were 12 mm and 30 mm, and the volume ratios were 0.1% and 0.2% shear capacity are improved respectively 5.93%, 13.43%, 19.06%, 21.88% comparison with the common reinforced concrete beam. Based on the results and analysis, the calculation method of the shear capacity of basalt fiber reinforced concrete beam is proposed, which can provide the theoretical basis for the engineering practice.
urlhttp://search.proquest.com/docview/912919056/
date2011-07-01