<?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>2215-3705</journal-id>
<journal-title><![CDATA[Infraestructura Vial]]></journal-title>
<abbrev-journal-title><![CDATA[Infraestructura Vial]]></abbrev-journal-title>
<issn>2215-3705</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Costa Rica, Laboratorio Nacional de Materiales y Modelos Estructurales]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2215-37052020000100012</article-id>
<article-id pub-id-type="doi">10.15517/iv.v22i39.41618</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Beneficios del uso de cal hidratada en mezclas asfálticas: Revisión del estado del arte]]></article-title>
<article-title xml:lang="en"><![CDATA[Benefits of adding hydrated lime to asphalt mixtures: A review]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kikut Cruz]]></surname>
<given-names><![CDATA[Karina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Baldi]]></surname>
<given-names><![CDATA[Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Elizondo Salas]]></surname>
<given-names><![CDATA[Ana Luisa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Costa Rica LanammeUCR ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Costa Rica LanammeUCR ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Costa Rica LanammeUCR ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<volume>22</volume>
<numero>39</numero>
<fpage>12</fpage>
<lpage>19</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S2215-37052020000100012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S2215-37052020000100012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S2215-37052020000100012&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La cal hidratada es un material utilizado normalmente en las mezclas asfálticas, dado que les brinda propiedades únicas y les permite alargar su vida útil. En el presente trabajo se analizaron diversos artículos con el objetivo de comprender los métodos por medio de los cuales se agrega la cal hidratada, la cuantificación del compuesto y la mejora que éste aporta ante diversos factores adversos que acometen a las mezclas asfálticas. Se encontró que los porcentajes usuales en los que se utiliza este aditivo corresponden a un rango entre 1%-2% en peso de los agregados. Asimismo, utilizar cal como un aditivo en húmedo permite mejoras tanto en la dureza del asfalto como en la resistencia contra la humedad, del asfalto. Se concluye que la cantidad de cal hidratada que se debe agregar corresponde al 1,5% en masa de agregados debido a que, en la mayoría de estudios, con esta cantidad se obtuvo las mejores propiedades del asfalto.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Hydrated lime is used as an additive for asphalt mixtures, since it enhances the properties of the material in a unique way, enabling a longer service life. In this study, several scientific articles were analyzed in order to understand some of the methods employed of adding hydrated lime to the asphalt mixtures, as well as the optimum amount of hydrated lime that will significantly improve the material&#8217;s response towards diverse factors. It was found that the researchers usually add hydrated lime in percentages ranging between 1%-2% in weight of aggregates. Also, in the case of asphalt modified with hydrated lime, the material is stiffer and more resistant to moisture damage. Finally, after this literature review it is concluded that adding 1,5% of hydrated lime the most promising properties were obtained in most of the studies considered.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[asfaltos]]></kwd>
<kwd lng="es"><![CDATA[cal hidratada]]></kwd>
<kwd lng="es"><![CDATA[daño por humedad]]></kwd>
<kwd lng="es"><![CDATA[matriz asfáltica]]></kwd>
<kwd lng="en"><![CDATA[asphalt]]></kwd>
<kwd lng="en"><![CDATA[hydrated lime]]></kwd>
<kwd lng="en"><![CDATA[moisture damage]]></kwd>
<kwd lng="en"><![CDATA[asphalt matrix]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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