<?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>S2007-68352018000200138</article-id>
<article-id pub-id-type="doi">10.21041/ra.v8i2.274</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Evaluation of nanosilica effects on concrete submitted to chloride ions attack]]></article-title>
<article-title xml:lang="pt"><![CDATA[Avaliação dos efeitos da nanosílica em concretos submetidos à ação de íons cloreto]]></article-title>
<article-title xml:lang="es"><![CDATA[Evaluación de los efectos de la nanosílice en hormigones sometidos a la acción de iones de cloruro]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zanon]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Schmalz]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[F. G. S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Federal de São Carlos Departamento de Engenharia Civil ]]></institution>
<addr-line><![CDATA[São Paulo ]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2018</year>
</pub-date>
<volume>8</volume>
<numero>2</numero>
<fpage>138</fpage>
<lpage>149</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-68352018000200138&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-68352018000200138&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-68352018000200138&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The present paper studied the influence of nanosilica dispersed on superplasticizer, and its combined effect with silica fume, on different concrete properties. Compressive strength, tensile strength by diametrical compression and water absorption by capillarity tests, as well as accelerated durability tests against chloride ions were carried out. Results indicated that isolated nanosilica addition (0.1 to 0.5%) did not improve concretes in any tests performed. However, for 0.5 and 0.7% content of nanosilica combined with 10% of silica fume, there was an increase in compressive strength, reduction of capillary absorption and reduction of chlorides penetration.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[RESUMO O presente trabalho estudou a influência da nanosílica dispersa em superplastificante, além do seu efeito combinado com a sílica ativa, em diferentes propriedades dos concretos. Foram realizados ensaios de resistência à compressão, resistência à tração por compressão diametral e absorção de água por capilaridade, além de ensaios acelerados de durabilidade frente aos íons cloreto. Os resultados obtidos indicaram que a adição de nanosílica de forma isolada (0,1 a 0,5%) não conferiu melhorias aos concretos, em nenhum dos ensaios realizados. No entanto, para os teores de 0,5 e 0,7% de nanosílica em conjunto com 10% de sílica ativa, houve aumento de resistência à compressão, redução da absorção capilar e redução da frente de penetração de cloretos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El presente trabajo estudió la influencia de la nanosílice dispersa en superplastificante, y su efecto combinado con la sílice activa, en diferentes propiedades de los hormigones. Fueron realizados ensayos de resistencia a la compresión, resistencia a la tracción por compresión diametral y absorción de agua por capilaridad, además de ensayos acelerados de durabilidad frente a los iones de cloruro. Los resultados indicaron que la adición de nanosílice (0.1 a 0.5%) no mejoró los hormigones en ninguno de los ensayos realizados. Por otro lado, para los contenidos de 0.5 y 0.7% de nanosílice combinados con 10% de sílice activa, hubo un aumento en la resistencia a la compresión, reducción de la absorción capilar y reducción de la penetración de cloruros.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[concrete]]></kwd>
<kwd lng="en"><![CDATA[chloride ions]]></kwd>
<kwd lng="en"><![CDATA[nanoparticles]]></kwd>
<kwd lng="en"><![CDATA[nanosilica]]></kwd>
<kwd lng="pt"><![CDATA[concreto]]></kwd>
<kwd lng="pt"><![CDATA[íons cloreto]]></kwd>
<kwd lng="pt"><![CDATA[nanopartículas]]></kwd>
<kwd lng="pt"><![CDATA[nanosílica]]></kwd>
<kwd lng="es"><![CDATA[hormigón]]></kwd>
<kwd lng="es"><![CDATA[iones de cloruro]]></kwd>
<kwd lng="es"><![CDATA[nanopartículas]]></kwd>
<kwd lng="es"><![CDATA[nanosílice]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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