<?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>0122-3461</journal-id>
<journal-title><![CDATA[Ingeniería y Desarrollo]]></journal-title>
<abbrev-journal-title><![CDATA[Ing. Desarro.]]></abbrev-journal-title>
<issn>0122-3461</issn>
<publisher>
<publisher-name><![CDATA[Fundación Universidad del Norte]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0122-34612019000100020</article-id>
<article-id pub-id-type="doi">10.14482/inde.37.1.620</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estudio del comportamiento mecánico de morteros modificados con fibras de aserrín bajo esfuerzos de compresión]]></article-title>
<article-title xml:lang="en"><![CDATA[Study of mechanical behavior of mortars modified with sawdust under compression loads]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortega Sánchez]]></surname>
<given-names><![CDATA[Andrés David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gil]]></surname>
<given-names><![CDATA[Harveth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Politécnico Colombiano Jaime Isaza Cadavid-PCJIC  Grupo de Investigación Innovación y Sostenibilidad Aplicadas a las Infraestructuras en Ingeniería-ISAII]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Politécnico Colombiano Jaime Isaza Cadavid-PCJIC Facultad de Ingenierías Grupo de Investigación Innovación y Sostenibilidad Aplicadas a las Infraestructuras en Ingeniería-ISAII]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>37</volume>
<numero>1</numero>
<fpage>20</fpage>
<lpage>35</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0122-34612019000100020&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0122-34612019000100020&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0122-34612019000100020&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En este artículo se presenta un estudio sobre el comportamiento mecánico de morteros modificados con fibras de aserrín bajo cargas de compresión. Se estimó la densidad, la resistencia a la compresión y el módulo de elasticidad dinámico de morteros modificados con 0%, 0,5%, 1% y 3% en peso de fibra de aserrín. Los compuestos se evaluaron luego de siete, 30 y 90 días de curado. Además, se utilizó microscopía electrónica de barrido (SEM) y espectroscopía de rayos X de energía dispersa (EDX) para caracterizar la morfología y encontrar la composición elemental tanto de las fibras como de la matriz de cemento. Los resultados muestran cómo a mayor porcentaje de aserrín, la resistencia, el módulo de elasticidad y la densidad disminuyen. Se sugiere utilizar hasta un 1% de fibra de aserrín en morteros para evitar una reducción importante en las propiedades mecánicas de los morteros.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In this paper, a study about the mechanical behavior of mortar modified with sawdust fibers under compression load was performed. Density, compressive strength and dynamic elastic modulus of mortar modified with 0%, 0,5%, 1% and 3% of sawdust were estimated. Composites were evaluated after seven, 30 and 90 days of curing. In addition, scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDX) were used to characterize the morphology and to find elemental composition for both, fibers and cement matrix. The results show that compressive strentgth, elastic modulus and density decreases as sawdust percentage increases. It is suggested to use 1% of sawdust fiber mortars in order to avoid an important reduction of the mortar mechanical properties.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[aserrín]]></kwd>
<kwd lng="es"><![CDATA[fibras naturales]]></kwd>
<kwd lng="es"><![CDATA[mortero]]></kwd>
<kwd lng="es"><![CDATA[resistencia a la compresión.]]></kwd>
<kwd lng="en"><![CDATA[compressive strength]]></kwd>
<kwd lng="en"><![CDATA[mortar]]></kwd>
<kwd lng="en"><![CDATA[natural fibers]]></kwd>
<kwd lng="en"><![CDATA[sawdust]]></kwd>
</kwd-group>
</article-meta>
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