<?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>S2007-68352019000200185</article-id>
<article-id pub-id-type="doi">10.21041/ra.v9i2.326</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Evaluation of the aggregates used in the metropolitan region of Salvador regarding the occurrence of alkali-aggregate reactions (AAR)]]></article-title>
<article-title xml:lang="pt"><![CDATA[Avaliação dos agregados utilizados na região metropolitana de Salvador quanto à ocorrência de Reatividade Álcalis-Agregado (RAA)]]></article-title>
<article-title xml:lang="es"><![CDATA[Evaluación de los agregados utilizados en la región metropolitana de Salvador en cuanto a la ocurrencia de Reacción Alkali-Agregado (RAA)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ribeiro]]></surname>
<given-names><![CDATA[D. V.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rey]]></surname>
<given-names><![CDATA[R. O.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Federal University of Bahia  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<volume>9</volume>
<numero>2</numero>
<fpage>185</fpage>
<lpage>199</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-68352019000200185&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-68352019000200185&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-68352019000200185&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In the present work the AAR of the aggregates used in the metropolitan region of Salvador and the use of mineral additions in order to mitigate this reaction was evaluated. The accelerated test method using mortar bars, recommended by NBR 15577-4: 2008, was used. The results indicate that the sands of the metropolitan area of Salvador have low reactivity, however, the gravels presented high reactivity and that mineral additions with pozzolanic characteristics can mitigate the AAR. This study, although limited to the conditions used, is unprecedented in the State of Bahia and presents a high index of originality, since it uses higher contents of mineral additions than conventional use. It was concluded that microsilica, if used at very high contents, can even accelerate the AAR.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo O presente artigo avaliou a RAA dos agregados utilizados na região metropolitana de Salvador e o uso de adições minerais, a fim de mitigar essa reação. Empregou-se o método acelerado de barras de argamassa, preconizado pela NBR 15577-4: 2008. Os resultados indicam que os agregados miúdos da região metropolitana de Salvador apresentam baixa reatividade, entretanto, os agregados graúdos apresentaram elevada reatividade e que adições minerais com características pozolânicas podem mitigar a RAA. Este estudo, apesar de se limitar às condições utilizadas, é inédito no Estado da Bahia e apresenta elevado índice de originalidade por utilizar teores de adições superiores às convencionais. Concluiu-se neste estudo que a microssílica, se utilizada em teores muito elevados, pode, inclusive, acelerar a reação.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En el presente trabajo se evaluó la RAA de los agregados utilizados en la región metropolitana de Salvador y el uso de adiciones minerales, a fin de mitigar esa reacción. Se utilizó el método acelerado de barras de mortero, preconizado por la NBR 15577-4: 2008. Los resultados indican que las arenas de la región metropolitana de Salvador presentan baja reactividad, sin embargo, las gravas presentaron alta reactividad y que adiciones minerales con características pozolánicas pueden mitigar la RAA. Este estudio, a pesar de limitarse a las condiciones utilizadas, es inédito en el Estado de Bahía y presenta un elevado índice de originalidad por utilizar contenidos de adiciones superiores a las convencionales. Se concluyó en este estudio que la microsílica, si se utiliza en niveles muy elevados, puede, incluso, acelerar la reacción.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[AAR]]></kwd>
<kwd lng="en"><![CDATA[aggregates]]></kwd>
<kwd lng="en"><![CDATA[mineral additions]]></kwd>
<kwd lng="en"><![CDATA[mitigation]]></kwd>
<kwd lng="pt"><![CDATA[RAA]]></kwd>
<kwd lng="pt"><![CDATA[agregados]]></kwd>
<kwd lng="pt"><![CDATA[adições minerais]]></kwd>
<kwd lng="pt"><![CDATA[mitigação]]></kwd>
<kwd lng="es"><![CDATA[RAA]]></kwd>
<kwd lng="es"><![CDATA[agregados]]></kwd>
<kwd lng="es"><![CDATA[adiciones minerales]]></kwd>
<kwd lng="es"><![CDATA[mitigación]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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