FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W606957751> ?p ?o ?g. }

• W606957751 abstract "The shear behavior of a specimen made of reinforced concrete is complex. Resisting mechanisms are affected by different factors, such as section form, specimen slimness, longitudinal and transversal reinforcement arrangement, bond between concrete and steel, among others. The addition of steel fibers to concrete improves both ductility and tensile behavior to provide good control during the cracking process. Fibers also enhance the shear behavior of structural elements by increasing ultimate resistance and ductility. Push-off tests have been used to study shear transfer mechanisms in concrete. Indeed, the shear strength of the specimen depends on the contribution of both concrete and shear reinforcement. Aggregate interlock (framed within the Crack Shear Friction Theory) signifficantly contribute to the concrete shear capacity. In the last few decades, new kinds of concrete have been developed for industrial use, such as high strength concrete (HSC), self-compacting concrete (SCC) or fiber reinforced concrete (FRC), among others. In these new materials, the aggregate interlock phenomenon may differ when compared to conventional concrete (CC). Information about shear transfer mechanisms in fiber reinforced concrete elements is lacking in the literature. Self-compacting concrete (SCC) is that which, as a given studied mixing proportion and through the utilization of superplasticizer additives, compacts under its own weight without the need for vibrational energy or the use of any other compacting method. It presents no sign of segregation, coarse aggregate blocking, bleeding or cement grout exudation. The addition of fibers modifies the behavior of fresh concrete, and particularly affects the packing density of aggregates. This document focuses on studying the shear behavior of self-compacting concrete reinforced with Steel fibers, but at the crack level. We evaluated crack resistance capacity by using different initial widths. To assess this, we designed a rigid steel frame to confine specimens, by restricting crack width and allowing block movement, so as to improve the stability and control of crack width. We verified functioning and sensitivity of this confinement system in order to know and assess the displacements that the specimen blocks undergo due to manipulation after precracking. An extensive experimental program was developed for over 60 specimens. The aims of this program were, adjusting the design and calibrate the general functioning of the restraint frame; define in detail an essay methodology; and finally, evaluate the possibility of detecting and interpreting different behaviors related to the type of material tested. The implementation of discreet measurement methodologies is also describe. Photogrammetry of crack width and triangulation with DEMEC were used. This implies that measurements were taken between the precracking phase and the push-off phase. The objective was to know the relative movements that the specimen underwent due to manipulation between both phases. From the results obtained, it was analyzed that the developed frame is capable of confining the specimen to carry out the push-off test, without interfering with slip displacement. It was evaluated that the shear stress transmitted through the restraint frame due to its vertical stiffness. On average, the restraint frame effect represents 10% of total theoretically calculated tension. A basic friction coeficient was defined that presents higher stability during the test. This friction coeficient was affected by a maximum aggregate size and aspect ratio." @default.
• W606957751 created "2016-06-24" @default.
• W606957751 creator A5051384573 @default.
• W606957751 creator A5053194899 @default.
• W606957751 date "2015-09-02" @default.
• W606957751 modified "2023-09-24" @default.
• W606957751 title "Upgrading the push-off test to analyze the contribution of steel fiber on shear transfer mechanisms" @default.
• W606957751 doi "https://doi.org/10.4995/thesis/10251/43723" @default.
• W606957751 hasPublicationYear "2015" @default.
• W606957751 type Work @default.
• W606957751 sameAs 606957751 @default.
• W606957751 citedByCount "2" @default.
• W606957751 countsByYear W6069577512020 @default.
• W606957751 countsByYear W6069577512021 @default.
• W606957751 crossrefType "dissertation" @default.
• W606957751 hasAuthorship W606957751A5051384573 @default.
• W606957751 hasAuthorship W606957751A5053194899 @default.
• W606957751 hasBestOaLocation W6069577511 @default.
• W606957751 hasConcept C112950240 @default.
• W606957751 hasConcept C127313418 @default.
• W606957751 hasConcept C127413603 @default.
• W606957751 hasConcept C127893833 @default.
• W606957751 hasConcept C149912024 @default.
• W606957751 hasConcept C159390177 @default.
• W606957751 hasConcept C159750122 @default.
• W606957751 hasConcept C159985019 @default.
• W606957751 hasConcept C192562407 @default.
• W606957751 hasConcept C192757587 @default.
• W606957751 hasConcept C2776512210 @default.
• W606957751 hasConcept C2778249042 @default.
• W606957751 hasConcept C2779016933 @default.
• W606957751 hasConcept C4679612 @default.
• W606957751 hasConcept C519885992 @default.
• W606957751 hasConcept C523993062 @default.
• W606957751 hasConcept C58396970 @default.
• W606957751 hasConcept C66938386 @default.
• W606957751 hasConcept C67203356 @default.
• W606957751 hasConcept C96035792 @default.
• W606957751 hasConcept C99535591 @default.
• W606957751 hasConcept C99595764 @default.
• W606957751 hasConceptScore W606957751C112950240 @default.
• W606957751 hasConceptScore W606957751C127313418 @default.
• W606957751 hasConceptScore W606957751C127413603 @default.
• W606957751 hasConceptScore W606957751C127893833 @default.
• W606957751 hasConceptScore W606957751C149912024 @default.
• W606957751 hasConceptScore W606957751C159390177 @default.
• W606957751 hasConceptScore W606957751C159750122 @default.
• W606957751 hasConceptScore W606957751C159985019 @default.
• W606957751 hasConceptScore W606957751C192562407 @default.
• W606957751 hasConceptScore W606957751C192757587 @default.
• W606957751 hasConceptScore W606957751C2776512210 @default.
• W606957751 hasConceptScore W606957751C2778249042 @default.
• W606957751 hasConceptScore W606957751C2779016933 @default.
• W606957751 hasConceptScore W606957751C4679612 @default.
• W606957751 hasConceptScore W606957751C519885992 @default.
• W606957751 hasConceptScore W606957751C523993062 @default.
• W606957751 hasConceptScore W606957751C58396970 @default.
• W606957751 hasConceptScore W606957751C66938386 @default.
• W606957751 hasConceptScore W606957751C67203356 @default.
• W606957751 hasConceptScore W606957751C96035792 @default.
• W606957751 hasConceptScore W606957751C99535591 @default.
• W606957751 hasConceptScore W606957751C99595764 @default.
• W606957751 hasLocation W6069577511 @default.
• W606957751 hasOpenAccess W606957751 @default.
• W606957751 hasPrimaryLocation W6069577511 @default.
• W606957751 hasRelatedWork W119605074 @default.
• W606957751 hasRelatedWork W1547663254 @default.
• W606957751 hasRelatedWork W2046771772 @default.
• W606957751 hasRelatedWork W2049192189 @default.
• W606957751 hasRelatedWork W2067117142 @default.
• W606957751 hasRelatedWork W2072205762 @default.
• W606957751 hasRelatedWork W2144950247 @default.
• W606957751 hasRelatedWork W2288514783 @default.
• W606957751 hasRelatedWork W2316967684 @default.
• W606957751 hasRelatedWork W2349724800 @default.
• W606957751 hasRelatedWork W2470895252 @default.
• W606957751 hasRelatedWork W2555001904 @default.
• W606957751 hasRelatedWork W2912986425 @default.
• W606957751 hasRelatedWork W3006833321 @default.
• W606957751 hasRelatedWork W3155021890 @default.
• W606957751 hasRelatedWork W3165885062 @default.
• W606957751 hasRelatedWork W580249847 @default.
• W606957751 hasRelatedWork W592744685 @default.
• W606957751 hasRelatedWork W189462259 @default.
• W606957751 hasRelatedWork W2551379839 @default.
• W606957751 isParatext "false" @default.
• W606957751 isRetracted "false" @default.
• W606957751 magId "606957751" @default.
• W606957751 workType "dissertation" @default.