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A Comparative Study of Penetration Resistance Apparatus on Concrete

1997-07Conference object Open access
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dc.contributor.authorLopes, Sérgio Manuel Rodrigues
dc.contributor.authorNepomuceno, Miguel
dc.date.accessioned2018-01-04T10:18:00Z
dc.date.available2018-01-04T10:18:00Z
dc.date.issued1997-07
dc.description.abstractThe existence of a relationship between the compressive strength of a given concrete and its resistance to penetration by a steel probe fired into the concrete is well known; the depth of penetration will be inversely proportional to the compressive strength. A test apparatus, designed for this purpose, using a special probe and standardised powder charge, was developed in the USA during the 1960s’ and is known as Windsor Probe Test and covered by the ASTM Standards (ASTM-C803-90). In Europe, similar standards are the British Standards (BS 1881: Part 207: 1992). The aim of this work is to perform studies concerning to a new apparatus application in comparison with the WPT System, which was called Alternative Firing Apparatus (AFA). Five different mix proportions were produced in order to obtain five sets of specimens with five different classes of compressive strength. The tests with the two described systems were performed at 28 days age for each set of specimens. The obtained results show that the Alternative Firing Apparatus could be a suitable mean for the assessment of in-place strength. The main physical limitation of penetration resistance tests is the surface damage and the danger of splitting of members, which limits the zones of testing. However, it was found that the Alternative Firing Apparatus causes less damage than WPT System. Consequently, minor distances between probes are possible.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSérgio M.R. Lopes, Miguel C.S. Nepomuceno, A Comparative Study of Penetration Resistance Apparatus on Concrete, Proceedings of Fourth International Conference on Composites Engineering, Hawaii, USA, July 1997, p. 615-616.pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.6/4547
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherUniversity of New Orleanspt_PT
dc.subjectNon-destructive testspt_PT
dc.subjectConcretept_PT
dc.subjectPenetration resistance testpt_PT
dc.subjectWindsor Probe Test Systempt_PT
dc.subjectAlternative Firing Apparatuspt_PT
dc.titleA Comparative Study of Penetration Resistance Apparatus on Concretept_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceHawaii, United States of Americapt_PT
oaire.citation.endPage616pt_PT
oaire.citation.startPage615pt_PT
oaire.citation.titleProceedings of Fourth International Conference on Composites Engineeringpt_PT
person.familyNameNepomuceno
person.givenNameMiguel Costa Santos
person.identifierhttp://scholar.google.pt/citations?user=IguykP4AAAAJ
person.identifier.ciencia-idF710-57AF-521F
person.identifier.orcid0000-0003-3865-490X
person.identifier.scopus-author-idhttp://www.scopus.com/authid/detail.url?authorId=36246411800
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
relation.isAuthorOfPublicationd93f6f35-204d-4bd1-a38a-5ec3c39a31e3
relation.isAuthorOfPublication.latestForDiscoveryd93f6f35-204d-4bd1-a38a-5ec3c39a31e3

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