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A Refined Model for Predicting Concrete-Related Failure Load of Tension Loaded Cast-in-Place Headed Anchors in Uncracked Concrete
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och brand.ORCID-id: 0000-0001-9937-6072
2019 (Engelska)Ingår i: Nordic Concrete Research, ISSN 0800-6377, Vol. 60, nr 1, s. 105-129Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Current theoretical models for predicting the concrete cone breakout capacity of tension loaded headed anchors do not consider the influence of member thickness, size of anchor head, and orthogonal surface reinforcement. In the present study, the influence of the aforementioned parameters was studied both numerically and experimentally. Both the numerical and experimental results showed that the tensile resistance of headed anchors increases by increasing the member thickness or if orthogonal surface reinforcement is present. In addition, the anchorage capacity further increases with increase of the anchor head size.

The current model for predicting the concrete cone failure load of tension loaded headed anchors were refined and extended by incorporating three modification factors to account for the influence of the member thickness, size of anchor head, and orthogonal surface reinforcement. The accuracy of the proposed model was verified based on the results of 124 tests on single headed anchors from literature.

Ort, förlag, år, upplaga, sidor
Sciendo , 2019. Vol. 60, nr 1, s. 105-129
Nyckelord [en]
Concrete Cone Breakout, Concrete Splitting, Anchor Bolt, Headed Anchor, Fastening System, Member Thickness, Anchor Head Size, Surface Reinforcement
Nationell ämneskategori
Annan samhällsbyggnadsteknik
Forskningsämne
Byggkonstruktion
Identifikatorer
URN: urn:nbn:se:ltu:diva-75561DOI: 10.2478/ncr-2019-0091ISI: 000475508100008OAI: oai:DiVA.org:ltu-75561DiVA, id: diva2:1343457
Anmärkning

Validerad;2019;Nivå 2;2019-08-16 (johcin)

Tillgänglig från: 2019-08-16 Skapad: 2019-08-16 Senast uppdaterad: 2023-09-05Bibliografiskt granskad

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Nilforoush, Rasoul

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