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Investigación de vangarda para o desenvolvemento sostible

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Investigación de vangarda para o desenvolvemento sostible

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2018

Vieito, Ismael; Herrador-Barrios, Manuel F.; Martínez-Abella, Fernando; Varela-Puga, Fernando

Proposal and assessment of an efficient test configuration for studying lap splices in reinforced concrete Journal Article

In: Engineering Structures, vol. 165, pp. 1-10, 2018, ISSN: 01410296, (cited By 5).

Abstract | Links | BibTeX | Etiquetas: Bending tests; Concrete testing, Bond slips; Lap splice; Longitudinal direction; Reinforced concrete structures; Reinforcement bar; Stress transmission; Test configurations; Test setups; Test-points; Three-point bending test, experimental study; reinforced concrete; tensile stress; testing method, Reinforced concrete

@article{Vieito20181,

title = {Proposal and assessment of an efficient test configuration for studying lap splices in reinforced concrete},

author = {Ismael Vieito and Manuel F. Herrador-Barrios and Fernando Martínez-Abella and Fernando Varela-Puga},

url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85043476899&doi=10.1016%2fj.engstruct.2018.03.004&partnerID=40&md5=0500763048f9d7745284035e1f87003c},

doi = {10.1016/j.engstruct.2018.03.004},

issn = {01410296},

year  = {2018},

date = {2018-01-01},

urldate = {2018-01-01},

journal = {Engineering Structures},

volume = {165},

pages = {1-10},

publisher = {Elsevier Ltd},

abstract = {Connecting reinforcement bars in their longitudinal direction is often needed in reinforced concrete structures. These connections must guarantee a correct stress transmission between bars without excessive cracking or inadmissible slips, and they are commonly executed by overlapping the reinforcement bars in a procedure known as a lap splice. In the absence of a standard or widely recognized test, three or four point bending tests are often used for the experimental study of lap-splices in tension. This test configuration shows inherent limitations, large costs and, usually, significant scatter. In this paper the authors have selected, fine-tuned and evaluated a specific test configuration for studying lap splices in reinforcement bars submitted to tensile forces. The proposed experiment was designed to be flexible and affordable in terms of cost, time consumption and required testing equipment. Consequently, it is possible to carry out multiple reruns of the experiments, minimizing the uncertainty and providing a good starting point for applying statistic methodologies. In contrast to the regular test configurations, the selected setup makes possible to directly obtain the bond-slip curves of the spliced bars. The experimental work carried out to assess the reliability, sensitivity and scatter of the proposed configuration shows promising results. © 2018 Elsevier Ltd},

note = {cited By 5},

keywords = {Bending tests; Concrete testing, Bond slips; Lap splice; Longitudinal direction; Reinforced concrete structures; Reinforcement bar; Stress transmission; Test configurations; Test setups; Test-points; Three-point bending test, experimental study; reinforced concrete; tensile stress; testing method, Reinforced concrete},

pubstate = {published},

tppubtype = {article}

}