Determination of the strength of the support sections of concrete beams with BFRP under the action of shear forces
In a few foreign codes (ACI, Eurocode 2, JSCE, CSA, CNR), the principles for calculating flexible concrete elements with (BFRP) are preserved the same as for calculating concrete structures with steel reinforcement. Experimental studies have not confirmed these principles, which indicates the releva...
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| Veröffentlicht in: | IOP conference series. Materials Science and Engineering 2021-06, Vol.1164 (1), p.12031 |
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| creator | Karpiuk, I Klymenko, Ye Karpiuk, V Posternak, A Maistrenko, O Tselikova, A |
| description | In a few foreign codes (ACI, Eurocode 2, JSCE, CSA, CNR), the principles for calculating flexible concrete elements with (BFRP) are preserved the same as for calculating concrete structures with steel reinforcement. Experimental studies have not confirmed these principles, which indicates the relevance of research. Two calculation models are proposed for determining the strength near the support sections of concrete beams with BFRP. The first model considers the calculation of beams with average (
a/d=2
) and large (
a/d=3
) shear spans along the main inclined crack, taking into account the experimentally established length of its projection l
crf1
, the coefficients ϕख़2, ϕख़3 and ϕख़4 the magnitude of tensile stresses in the transverse fittings. The second computational model provides for the calculation of these beams with small shear spans (a/d |
| doi_str_mv | 10.1088/1757-899X/1164/1/012031 |
| format | Article |
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a/d=2
) and large (
a/d=3
) shear spans along the main inclined crack, taking into account the experimentally established length of its projection l
crf1
, the coefficients ϕख़2, ϕख़3 and ϕख़4 the magnitude of tensile stresses in the transverse fittings. The second computational model provides for the calculation of these beams with small shear spans (a/d<1) along a compressed inclined strip using the experimentally established coefficient k
f
,. The use of the presented design models provides good convergence (coefficient of variation ν=8%) of the calculated and experimental values of strength near the support sections of concrete beams with BFRP.</description><identifier>ISSN: 1757-8981</identifier><identifier>EISSN: 1757-899X</identifier><identifier>DOI: 10.1088/1757-899X/1164/1/012031</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Building codes ; Coefficient of variation ; Concrete ; Concrete structures ; Mathematical models ; Principles ; Reinforcing steels ; Shear forces</subject><ispartof>IOP conference series. Materials Science and Engineering, 2021-06, Vol.1164 (1), p.12031</ispartof><rights>Published under licence by IOP Publishing Ltd</rights><rights>2021. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c2031-e3ff3dc0e616f0cfc21d5d1a379c3e6b0a2390df67a44daa2030288fefd0a6323</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.1088/1757-899X/1164/1/012031/pdf$$EPDF$$P50$$Giop$$Hfree_for_read</linktopdf><link.rule.ids>314,780,784,27924,27925,38868,38890,53840,53867</link.rule.ids></links><search><creatorcontrib>Karpiuk, I</creatorcontrib><creatorcontrib>Klymenko, Ye</creatorcontrib><creatorcontrib>Karpiuk, V</creatorcontrib><creatorcontrib>Posternak, A</creatorcontrib><creatorcontrib>Maistrenko, O</creatorcontrib><creatorcontrib>Tselikova, A</creatorcontrib><title>Determination of the strength of the support sections of concrete beams with BFRP under the action of shear forces</title><title>IOP conference series. Materials Science and Engineering</title><addtitle>IOP Conf. Ser.: Mater. Sci. Eng</addtitle><description>In a few foreign codes (ACI, Eurocode 2, JSCE, CSA, CNR), the principles for calculating flexible concrete elements with (BFRP) are preserved the same as for calculating concrete structures with steel reinforcement. Experimental studies have not confirmed these principles, which indicates the relevance of research. Two calculation models are proposed for determining the strength near the support sections of concrete beams with BFRP. The first model considers the calculation of beams with average (
a/d=2
) and large (
a/d=3
) shear spans along the main inclined crack, taking into account the experimentally established length of its projection l
crf1
, the coefficients ϕख़2, ϕख़3 and ϕख़4 the magnitude of tensile stresses in the transverse fittings. The second computational model provides for the calculation of these beams with small shear spans (a/d<1) along a compressed inclined strip using the experimentally established coefficient k
f
,. The use of the presented design models provides good convergence (coefficient of variation ν=8%) of the calculated and experimental values of strength near the support sections of concrete beams with BFRP.</description><subject>Building codes</subject><subject>Coefficient of variation</subject><subject>Concrete</subject><subject>Concrete structures</subject><subject>Mathematical models</subject><subject>Principles</subject><subject>Reinforcing steels</subject><subject>Shear forces</subject><issn>1757-8981</issn><issn>1757-899X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>O3W</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqFkFtLwzAYhoMoOKe_wYBXXtQmTZu2lzo3FSaKB_AuZMkX1-GamqSI_97W6kQQvMrped4vvAgdUnJCSVHENM_yqCjLp5hSnsY0JjQhjG6h0eZle7Mv6C7a835FCM_TlIyQO4cAbl3VMlS2xtbgsATsg4P6OSw357ZprAvYg-ox398rWyvXyXgBcu3xW9XhZ7O7W9zWGtynJtV3qF-CdNhYp8Dvox0jXzwcfK1j9DibPkwuo_nNxdXkdB6p_v8RMGOYVgQ45YYooxKqM00ly0vFgC-ITFhJtOG5TFMtZSeRpCgMGE0kZwkbo6Mht3H2tQUfxMq2ru5GiiRLC16mZZZ3VD5QylnvHRjRuGot3bugRPQFi7460dco-oIFFUPBnckGs7LNT_T_1vEf1vX99DcnGm3YBxtLjCM</recordid><startdate>20210601</startdate><enddate>20210601</enddate><creator>Karpiuk, I</creator><creator>Klymenko, Ye</creator><creator>Karpiuk, V</creator><creator>Posternak, A</creator><creator>Maistrenko, O</creator><creator>Tselikova, A</creator><general>IOP Publishing</general><scope>O3W</scope><scope>TSCCA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20210601</creationdate><title>Determination of the strength of the support sections of concrete beams with BFRP under the action of shear forces</title><author>Karpiuk, I ; Klymenko, Ye ; Karpiuk, V ; Posternak, A ; Maistrenko, O ; Tselikova, A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2031-e3ff3dc0e616f0cfc21d5d1a379c3e6b0a2390df67a44daa2030288fefd0a6323</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Building codes</topic><topic>Coefficient of variation</topic><topic>Concrete</topic><topic>Concrete structures</topic><topic>Mathematical models</topic><topic>Principles</topic><topic>Reinforcing steels</topic><topic>Shear forces</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Karpiuk, I</creatorcontrib><creatorcontrib>Klymenko, Ye</creatorcontrib><creatorcontrib>Karpiuk, V</creatorcontrib><creatorcontrib>Posternak, A</creatorcontrib><creatorcontrib>Maistrenko, O</creatorcontrib><creatorcontrib>Tselikova, A</creatorcontrib><collection>IOP Publishing Free Content</collection><collection>IOPscience (Open Access)</collection><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><jtitle>IOP conference series. Materials Science and Engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Karpiuk, I</au><au>Klymenko, Ye</au><au>Karpiuk, V</au><au>Posternak, A</au><au>Maistrenko, O</au><au>Tselikova, A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Determination of the strength of the support sections of concrete beams with BFRP under the action of shear forces</atitle><jtitle>IOP conference series. Materials Science and Engineering</jtitle><addtitle>IOP Conf. Ser.: Mater. Sci. 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a/d=2
) and large (
a/d=3
) shear spans along the main inclined crack, taking into account the experimentally established length of its projection l
crf1
, the coefficients ϕख़2, ϕख़3 and ϕख़4 the magnitude of tensile stresses in the transverse fittings. The second computational model provides for the calculation of these beams with small shear spans (a/d<1) along a compressed inclined strip using the experimentally established coefficient k
f
,. The use of the presented design models provides good convergence (coefficient of variation ν=8%) of the calculated and experimental values of strength near the support sections of concrete beams with BFRP.</abstract><cop>Bristol</cop><pub>IOP Publishing</pub><doi>10.1088/1757-899X/1164/1/012031</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Building codes Coefficient of variation Concrete Concrete structures Mathematical models Principles Reinforcing steels Shear forces |
| title | Determination of the strength of the support sections of concrete beams with BFRP under the action of shear forces |
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