Utilize este identificador para referenciar este registo: http://hdl.handle.net/1822/37353

TítuloExperimental study and prediction model for flexural: behavior of reinforced SCC beam containing steel fibers
AutorXiliang Ning
Yining Ding
Fasheng Zhang
Yulin Zhang
Palavras-chaveSelf-consolidating concrete (SCC)
Ultimate flexural capacity
Crack pattern
Prediction model
Steel fibers
Longitudinal reinforcement ratio
Data2015
EditoraElsevier
ResumoSeven full-scale steel fiber reinforced self-consolidating concrete (SFRSCC) beams were tested to study the effects of macro steel fibers on the flexural behavior of reinforced self-consolidating concrete beams. The major test variables are fiber contents and longitudinal reinforcement ratios. The ultimate load, midspan deflections, steel reinforcement strains, crack width and crack spacing were investigated. The enhanced ultimate flexural capacity and reduced midspan deflection due to the addition of steel fibers were observed. With the increasing of fiber contents, the strain in longitudinal reinforcement, crack width and crack spacing decreased significantly. The possibility of using steel fibers for partial replacement of the conventional longitudinal reinforcement is estimated, which is meaningful for extending the structural application of SFRSCC. A method incorporating fiber contribution to the post-cracking tensile strength of concrete in the flexural analysis of SFRSCC beam is also suggested. Comparisons are made between the suggested model and the fib Model Code 2010 model with experimental data. The results showed that the suggested model can estimate ultimate flexural capacity accurately.
Tipoarticle
URIhttp://hdl.handle.net/1822/37353
DOI10.1016/j.conbuildmat.2015.06.024
ISSN0950-0618
Versão da editorawww.elsevier.com/locate/conbuildmat
Arbitragem científicayes
AcessoopenAccess
Aparece nas coleções:CMAT - Artigos com arbitragem/Papers with refereeing

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