Relation between fibre distribution and post-cracking behaviour in steel fibre reinforced self-compacting concrete panels
In this research, the influence of the fibre distribution and orientation on the post-cracking behaviour of steel fibre reinforced self-compacting concrete (SFRSCC) panels was studied. To perform this evaluation, SFRSCC panels were cast from their centre point. For each SFRSCC panel, cylindrical spe...
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| Veröffentlicht in: | Cement and concrete research 2013-09, Vol.51, p.57-66 |
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| creator | Abrishambaf, Amin Barros, Joaquim A.O. Cunha, Vitor M.C.F. |
| description | In this research, the influence of the fibre distribution and orientation on the post-cracking behaviour of steel fibre reinforced self-compacting concrete (SFRSCC) panels was studied. To perform this evaluation, SFRSCC panels were cast from their centre point. For each SFRSCC panel, cylindrical specimens were extracted and notched either parallel or perpendicular to the concrete flow direction, in order to evaluate the influence of fibre dispersion and orientation on the tensile performance. The post-cracking behaviour was assessed by both splitting tensile tests and uniaxial tensile tests. To assess the fibre density and orientation through the panels, an image analysis technique was employed across cut planes on each tested specimen. It is found that the splitting tensile test overestimates the post-cracking parameters. Specimens with notched plane parallel to the concrete flow direction show considerable higher post-cracking strength than specimens with notched plane perpendicular to the flow direction. |
| doi_str_mv | 10.1016/j.cemconres.2013.04.009 |
| format | Article |
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Grouts</subject><subject>Dispersion (A)</subject><subject>Exact sciences and technology</subject><subject>Fibre</subject><subject>Fibre reinforced concrete (including asbestos cement)</subject><subject>Fibre reinforcement</subject><subject>Image analysis (B)</subject><subject>Materials</subject><subject>Orientation</subject><subject>Other special applications (sand concrete, roller compacted concrete, heavy concrete, architectural concrete, etc.)</subject><subject>Panels</subject><subject>Planes</subject><subject>Rheology (A)</subject><subject>Self-compacting concrete</subject><subject>Steel fibers</subject><subject>Strength of materials (elasticity, plasticity, buckling, etc.)</subject><subject>Structural analysis. 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To perform this evaluation, SFRSCC panels were cast from their centre point. For each SFRSCC panel, cylindrical specimens were extracted and notched either parallel or perpendicular to the concrete flow direction, in order to evaluate the influence of fibre dispersion and orientation on the tensile performance. The post-cracking behaviour was assessed by both splitting tensile tests and uniaxial tensile tests. To assess the fibre density and orientation through the panels, an image analysis technique was employed across cut planes on each tested specimen. It is found that the splitting tensile test overestimates the post-cracking parameters. Specimens with notched plane parallel to the concrete flow direction show considerable higher post-cracking strength than specimens with notched plane perpendicular to the flow direction.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.cemconres.2013.04.009</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Applied sciences Buildings. Public works Concretes Concretes. Mortars. Grouts Dispersion (A) Exact sciences and technology Fibre Fibre reinforced concrete (including asbestos cement) Fibre reinforcement Image analysis (B) Materials Orientation Other special applications (sand concrete, roller compacted concrete, heavy concrete, architectural concrete, etc.) Panels Planes Rheology (A) Self-compacting concrete Steel fibers Strength of materials (elasticity, plasticity, buckling, etc.) Structural analysis. Stresses Tensile properties (C) Tensile tests |
| title | Relation between fibre distribution and post-cracking behaviour in steel fibre reinforced self-compacting concrete panels |
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