<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2007-6835</journal-id>
<journal-title><![CDATA[Revista ALCONPAT]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. ALCONPAT]]></abbrev-journal-title>
<issn>2007-6835</issn>
<publisher>
<publisher-name><![CDATA[Asociación Latinoamericana de Control de Calidad, Patología y Recuperación de la Construcción A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-68352019000300303</article-id>
<article-id pub-id-type="doi">10.21041/ra.v9i3.375</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Fatigue service life of longitudinal reinforcement bars of reinforced concrete beams based on the real heavy traffic]]></article-title>
<article-title xml:lang="pt"><![CDATA[Vida útil à fadiga da armadura longitudinal de vigas de pontes de concreto armado frente ao tráfego real de veículos pesados]]></article-title>
<article-title xml:lang="es"><![CDATA[Vida útil a la fatiga de la armadura longitudinal de vigas de puentes de hormigón armado frente al tráfico real de vehículos pesados]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mascarenhas Jr.]]></surname>
<given-names><![CDATA[F. R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chust Carvalho]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Federal University of São Carlos  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>9</volume>
<numero>3</numero>
<fpage>303</fpage>
<lpage>319</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-68352019000300303&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-68352019000300303&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-68352019000300303&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT This paper analyzes the fatigue service life of longitudinal reinforcement in reinforced concrete bridge beams by considering the actual number of heavy vehicles from 2 to 6 axes in a railway in the state of São Paulo, Brazil. Theoretical models with a structural system composed by bridges with two simply supported beams and spans of 10, 15 and 20 meters are used. Ftool is used to determine the internal stretches, and the cumulative damage method in the estimation of the fatigue life. At the end, it is verified that the fatigue service life of the longitudinal reinforcement varies according to the size of the span, and in the three analyzed bridges the fatigue service life is less than 30 years.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[RESUMO Este trabalho analisa a vida útil à fadiga da armadura longitudinal em vigas de pontes de concreto armado considerando-se o número real de veículos pesados de 2 a 6 eixos em um trecho rodoviário do estado de São Paulo, Brasil. Utilizou-se modelos teóricos com um sistema estrutural com pontes com duas vigas biapoiadas com vãos de 10, 15 e 20 metros. Para determinação dos esforços emprega-se o software Ftool e na estimativa da vida útil à fadiga o método do dano acumulado. Ao fim, verifica-se que o tempo de vida útil à fadiga da armadura longitudinal varia de acordo com o tamanho do vão, sendo que nas três pontes analisadas a vida de serviço à fadiga é inferior a 30 anos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Este documento analiza la vida de servicio a la fatiga del refuerzo longitudinal en vigas de puentes de concreto reforzado considerando el número real de vehículos pesados &#8203;&#8203;de 2 a 6 ejes en un tramo de carretera en el estado de São Paulo, Brasil. Se utilizan modelos teóricos en un sistema estructural de puentes con dos vigas doblemente apoyadas en tramos de 10, 15 y 20 metros. Para la determinación de los esfuerzos se utiliza el software Ftool y en la estimación de la vida útil a la fatiga o daño acumulado. Al final, se verifica que el tiempo de vida a la fatiga del refuerzo longitudinal varía según el tamaño del tramo, siendo que en los tres puentes analizados la vida de servicio a la fatiga es inferior a 30 años.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[bridges]]></kwd>
<kwd lng="en"><![CDATA[reinforced concrete]]></kwd>
<kwd lng="en"><![CDATA[fatigue]]></kwd>
<kwd lng="en"><![CDATA[service life]]></kwd>
<kwd lng="en"><![CDATA[beams]]></kwd>
<kwd lng="pt"><![CDATA[pontes]]></kwd>
<kwd lng="pt"><![CDATA[concreto armado]]></kwd>
<kwd lng="pt"><![CDATA[fadiga]]></kwd>
<kwd lng="pt"><![CDATA[vida útil]]></kwd>
<kwd lng="pt"><![CDATA[vigas]]></kwd>
<kwd lng="es"><![CDATA[puentes]]></kwd>
<kwd lng="es"><![CDATA[concreto armado]]></kwd>
<kwd lng="es"><![CDATA[fatiga]]></kwd>
<kwd lng="es"><![CDATA[vida útil]]></kwd>
<kwd lng="es"><![CDATA[vigas]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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