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Reliability of reinforced concrete beams designed in accordance with Brazilian code NBR-6118:2014
Abstract This paper aims to evaluate the reliability indexes of reinforced concrete beams designed in accordance with brazilian code NBR-6118:2014 in relation to the ultimate limit state of flexure. The main statistics of the resistance model are obtained through Monte Carlo simulation using ANSYS s...
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| Published in: | Revista IBRACON de estruturas e materiais 2019-10, Vol.12 (5), p.1086-1125 |
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| creator | SCHERER, M. MORSCH, I. B. REAL, M. V. |
| description | Abstract This paper aims to evaluate the reliability indexes of reinforced concrete beams designed in accordance with brazilian code NBR-6118:2014 in relation to the ultimate limit state of flexure. The main statistics of the resistance model are obtained through Monte Carlo simulation using ANSYS software and its probabilistic design tool. The reliability indexes are evaluated by FORM, being performed a parametric study in order to assess the influence of the main design variables on the safety level reached. It can be noticed that the reliability indexes are shown unsatisfactory in the combinations which the live loads are predominant.
Resumo O presente trabalho busca avaliar o índice de confiabilidade atingido pelas vigas de concreto armado dimensionadas de acordo com a norma brasileira NBR-6118:2014 em relação ao estado limite último de flexão. As principais estatísticas das resistências são obtidas por simulações de Monte Carlo utilizando o software ANSYS e a ferramenta probabilistic design. Os índices de confiabilidade são calculados pelo FORM, sendo realizado um estudo paramétrico para avaliar a influência das principais variáveis de projeto nos níveis de segurança atingidos. É observado que os índices de confiabilidade se mostram insatisfatórios para combinações de carga nas quais as cargas acidentais são predominantes. |
| doi_str_mv | 10.1590/s1983-41952019000500007 |
| format | article |
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Resumo O presente trabalho busca avaliar o índice de confiabilidade atingido pelas vigas de concreto armado dimensionadas de acordo com a norma brasileira NBR-6118:2014 em relação ao estado limite último de flexão. As principais estatísticas das resistências são obtidas por simulações de Monte Carlo utilizando o software ANSYS e a ferramenta probabilistic design. Os índices de confiabilidade são calculados pelo FORM, sendo realizado um estudo paramétrico para avaliar a influência das principais variáveis de projeto nos níveis de segurança atingidos. É observado que os índices de confiabilidade se mostram insatisfatórios para combinações de carga nas quais as cargas acidentais são predominantes.</description><identifier>ISSN: 1983-4195</identifier><identifier>EISSN: 1983-4195</identifier><identifier>DOI: 10.1590/s1983-41952019000500007</identifier><language>eng</language><publisher>IBRACON - Instituto Brasileiro do Concreto</publisher><subject>ENGINEERING, CIVIL ; finite element method ; FORM ; Monte Carlo Method ; reinforced concrete ; structural reliability</subject><ispartof>Revista IBRACON de estruturas e materiais, 2019-10, Vol.12 (5), p.1086-1125</ispartof><rights>This work is licensed under a Creative Commons Attribution 4.0 International License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2567-73030cd83878a935b5b0ef2a63f19231410ecc3c181f9fdc7caa306a28aa8ca13</citedby><cites>FETCH-LOGICAL-c2567-73030cd83878a935b5b0ef2a63f19231410ecc3c181f9fdc7caa306a28aa8ca13</cites><orcidid>0000-0002-2473-3474 ; 0000-0003-4916-9133 ; 0000-0001-7544-0623</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,24149,27923,27924</link.rule.ids></links><search><creatorcontrib>SCHERER, M.</creatorcontrib><creatorcontrib>MORSCH, I. B.</creatorcontrib><creatorcontrib>REAL, M. V.</creatorcontrib><title>Reliability of reinforced concrete beams designed in accordance with Brazilian code NBR-6118:2014</title><title>Revista IBRACON de estruturas e materiais</title><addtitle>Rev. IBRACON Estrut. Mater</addtitle><description>Abstract This paper aims to evaluate the reliability indexes of reinforced concrete beams designed in accordance with brazilian code NBR-6118:2014 in relation to the ultimate limit state of flexure. The main statistics of the resistance model are obtained through Monte Carlo simulation using ANSYS software and its probabilistic design tool. The reliability indexes are evaluated by FORM, being performed a parametric study in order to assess the influence of the main design variables on the safety level reached. It can be noticed that the reliability indexes are shown unsatisfactory in the combinations which the live loads are predominant.
Resumo O presente trabalho busca avaliar o índice de confiabilidade atingido pelas vigas de concreto armado dimensionadas de acordo com a norma brasileira NBR-6118:2014 em relação ao estado limite último de flexão. As principais estatísticas das resistências são obtidas por simulações de Monte Carlo utilizando o software ANSYS e a ferramenta probabilistic design. Os índices de confiabilidade são calculados pelo FORM, sendo realizado um estudo paramétrico para avaliar a influência das principais variáveis de projeto nos níveis de segurança atingidos. É observado que os índices de confiabilidade se mostram insatisfatórios para combinações de carga nas quais as cargas acidentais são predominantes.</description><subject>ENGINEERING, CIVIL</subject><subject>finite element method</subject><subject>FORM</subject><subject>Monte Carlo Method</subject><subject>reinforced concrete</subject><subject>structural reliability</subject><issn>1983-4195</issn><issn>1983-4195</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>DOA</sourceid><recordid>eNplUdtKJDEQbcSFFZ1v2PxAa6rTl8Q3FW8gCrr7HKorlTFD25FkRPTrN7OziOJDXThV53CoqqpfIA-hM_Iog9GqbsF0jQQjpexKyGGn2vsY7H7qf1aLnFdlA4aSVLdX4T1PAccwhfWbiF4kDrOPidgJijMlXrMYGZ-ycJzDci54mAUSxeRwJhavYf0oThO-FwmcC8mxuD29r3sAfVxMtQfVD49T5sX_ul_9uTj_fXZV39xdXp-d3NTUdP1QD0oqSU4rPWg0qhu7UbJvsFceTKOgBclEikCDN97RQIhK9thoRE0Iar-63uq6iCv7nMITpjcbMdh_QExLi2kdaGIrx75tzEDOSNW6lkeEHrTuoGflqTFF63CrlSnwFO0qvqS5mLcPm1PaL_cGqftCGLYESjHnxP7DAEi7-ZTN35mbT6m_8a2BwA</recordid><startdate>20191001</startdate><enddate>20191001</enddate><creator>SCHERER, M.</creator><creator>MORSCH, I. B.</creator><creator>REAL, M. V.</creator><general>IBRACON - Instituto Brasileiro do Concreto</general><general>Instituto Brasileiro do Concreto (IBRACON)</general><scope>AAYXX</scope><scope>CITATION</scope><scope>GPN</scope><scope>DOA</scope><orcidid>https://orcid.org/0000-0002-2473-3474</orcidid><orcidid>https://orcid.org/0000-0003-4916-9133</orcidid><orcidid>https://orcid.org/0000-0001-7544-0623</orcidid></search><sort><creationdate>20191001</creationdate><title>Reliability of reinforced concrete beams designed in accordance with Brazilian code NBR-6118:2014</title><author>SCHERER, M. ; MORSCH, I. B. ; REAL, M. V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2567-73030cd83878a935b5b0ef2a63f19231410ecc3c181f9fdc7caa306a28aa8ca13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>ENGINEERING, CIVIL</topic><topic>finite element method</topic><topic>FORM</topic><topic>Monte Carlo Method</topic><topic>reinforced concrete</topic><topic>structural reliability</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>SCHERER, M.</creatorcontrib><creatorcontrib>MORSCH, I. B.</creatorcontrib><creatorcontrib>REAL, M. V.</creatorcontrib><collection>CrossRef</collection><collection>SciELO</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>Revista IBRACON de estruturas e materiais</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>SCHERER, M.</au><au>MORSCH, I. B.</au><au>REAL, M. V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reliability of reinforced concrete beams designed in accordance with Brazilian code NBR-6118:2014</atitle><jtitle>Revista IBRACON de estruturas e materiais</jtitle><addtitle>Rev. IBRACON Estrut. Mater</addtitle><date>2019-10-01</date><risdate>2019</risdate><volume>12</volume><issue>5</issue><spage>1086</spage><epage>1125</epage><pages>1086-1125</pages><issn>1983-4195</issn><eissn>1983-4195</eissn><abstract>Abstract This paper aims to evaluate the reliability indexes of reinforced concrete beams designed in accordance with brazilian code NBR-6118:2014 in relation to the ultimate limit state of flexure. The main statistics of the resistance model are obtained through Monte Carlo simulation using ANSYS software and its probabilistic design tool. The reliability indexes are evaluated by FORM, being performed a parametric study in order to assess the influence of the main design variables on the safety level reached. It can be noticed that the reliability indexes are shown unsatisfactory in the combinations which the live loads are predominant.
Resumo O presente trabalho busca avaliar o índice de confiabilidade atingido pelas vigas de concreto armado dimensionadas de acordo com a norma brasileira NBR-6118:2014 em relação ao estado limite último de flexão. As principais estatísticas das resistências são obtidas por simulações de Monte Carlo utilizando o software ANSYS e a ferramenta probabilistic design. Os índices de confiabilidade são calculados pelo FORM, sendo realizado um estudo paramétrico para avaliar a influência das principais variáveis de projeto nos níveis de segurança atingidos. É observado que os índices de confiabilidade se mostram insatisfatórios para combinações de carga nas quais as cargas acidentais são predominantes.</abstract><pub>IBRACON - Instituto Brasileiro do Concreto</pub><doi>10.1590/s1983-41952019000500007</doi><tpages>40</tpages><orcidid>https://orcid.org/0000-0002-2473-3474</orcidid><orcidid>https://orcid.org/0000-0003-4916-9133</orcidid><orcidid>https://orcid.org/0000-0001-7544-0623</orcidid><oa>free_for_read</oa></addata></record> |
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| issn | 1983-4195 1983-4195 |
| language | eng |
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| source | SciELO |
| subjects | ENGINEERING, CIVIL finite element method FORM Monte Carlo Method reinforced concrete structural reliability |
| title | Reliability of reinforced concrete beams designed in accordance with Brazilian code NBR-6118:2014 |
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