<?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>S2007-68352015000200151</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Método colorimétrico por aspersión de nitrato de plata para la evaluación de la penetración de cloruros en concreto: estado del arte]]></article-title>
<article-title xml:lang="en"><![CDATA[AgNO3 spray method for measurement of chloride penetration: the state of art]]></article-title>
<article-title xml:lang="pt"><![CDATA[Método colorimétrico por aspersão de nitrato de prata para avaliação da penetração de cloretos em concreto: estado da arte]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Real]]></surname>
<given-names><![CDATA[L. V.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[D. R. B.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soares]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Medeiros]]></surname>
<given-names><![CDATA[M. H. F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Federal de Paraná Departamento de Construcción Civil ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2015</year>
</pub-date>
<volume>5</volume>
<numero>2</numero>
<fpage>151</fpage>
<lpage>161</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-68352015000200151&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-68352015000200151&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-68352015000200151&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La durabilidad de las construcciones se ha evaluado mediante inspecciones visuales asociados a los ensayos de campo y de laboratorio. Hoy, para el análisis de carbonatación método colorimétrico por pulverización fenolftaleína se utiliza ampliamente debido a la facilidad y alta fiabilidad. Sin embargo, en la presencia de cloruros, los ensayos no son expeditos y tienen un alto costo. En su lugar, se utiliza la pulverización de nitrato de plata (AgNO3). El uso del método es simple, de bajo costo y permite evaluaciones in situ. Pero cuando, hay presencia de carbonatación, el análisis se hace más compleja debido a que la reducción del pH y los cambios en la coloración de hormigón. Esta investigación presenta estudios sobre el uso del método colorimétrico para evaluar la profundidad de penetración de cloruro en el hormigón. No hay todavía uno consenso sobre la forma de eliminar esa influencia o determinar el momento decisivo, sin embargo, hay investigaciones que muestran la influencia del tipo de cemento en el método colorimétrico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The durability of the buildings has been evaluated through visual inspections associated with field and laboratory tests. Nowadays, for analysis of the carbonation colorimetric method by spraying phenolphthalein is widely used, due to the ease and high reliability. However, when there is the presence of chlorides, the tests are long and expensive. As an alternative, there is a colorimetric method (AgNO3). The method is easy to use, low cost and allows for on-site reviews. But when there is presence of carbonation, the analysis becomes more complex, since reducing the pH and leads to discoloration of the concrete. This paper presents studies on the use of the colorimetric method for evaluation of the depth of chloride penetration in concrete. There is no consensus in academic circles as to eliminate this influence and to determine the turning point, however there is research demonstrating the influence of cement type on the colorimetric method.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo A durabilidade das construções tem sido avaliada através de inspeções visuais associadas a ensaios de campo e laboratório. Hoje, para análise da carbonatação o método colorimétrico por aspersão de fenolftaleína é amplamente utilizado, devido à facilidade e alta confiabilidade. Porém, na presença de cloretos, os ensaios não são expeditos e possuem alto custo. Como alternativa, há a aspersão de nitrato de prata (AgNO3). O método é de fácil aplicação, baixo custo e permite avaliações in loco. Mas quando há presença de carbonatação, a análise torna-se mais complexa, devido a redução do pH e alteração da coloração do concreto. Esta pesquisa apresenta estudos sobre o uso do método colorimétrico para avaliação da profundidade de penetração de cloretos no concreto. Ainda não há consenso de como eliminar essa influência ou determinar o ponto de viragem, entretanto há pesquisas que demonstram a influência do tipo de cimento no método colorimétrico.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Hormigón]]></kwd>
<kwd lng="es"><![CDATA[corrosión]]></kwd>
<kwd lng="es"><![CDATA[penetración por cloruros]]></kwd>
<kwd lng="es"><![CDATA[nitrato de plata]]></kwd>
<kwd lng="es"><![CDATA[método colorimétrico]]></kwd>
<kwd lng="en"><![CDATA[concrete]]></kwd>
<kwd lng="en"><![CDATA[corrosion]]></kwd>
<kwd lng="en"><![CDATA[chloride penetration]]></kwd>
<kwd lng="en"><![CDATA[silver nitrate]]></kwd>
<kwd lng="en"><![CDATA[colorimetric method]]></kwd>
<kwd lng="pt"><![CDATA[concreto]]></kwd>
<kwd lng="pt"><![CDATA[corrosão]]></kwd>
<kwd lng="pt"><![CDATA[penetração de cloretos]]></kwd>
<kwd lng="pt"><![CDATA[nitrato de prata]]></kwd>
<kwd lng="pt"><![CDATA[método colorimétrico]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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