<?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>0012-7353</journal-id>
<journal-title><![CDATA[DYNA]]></journal-title>
<abbrev-journal-title><![CDATA[Dyna rev.fac.nac.minas]]></abbrev-journal-title>
<issn>0012-7353</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0012-73532018000200119</article-id>
<article-id pub-id-type="doi">10.15446/dyna.v85n205.64473</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Hydraulic conductivity in layered saturated soils assessed through a novel physical model]]></article-title>
<article-title xml:lang="es"><![CDATA[Estimación de la conductividad hidráulica en suelos saturados estratificados mediante un nuevo modelo físico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dulcey-Leal]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Molina-Gómez]]></surname>
<given-names><![CDATA[Fausto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bulla-Cruz]]></surname>
<given-names><![CDATA[Lenin Alexander]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Militar Nueva Granada Facultad de Estudios a Distancia ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Militar Nueva Granada Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional de Colombia Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<volume>85</volume>
<numero>205</numero>
<fpage>119</fpage>
<lpage>124</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0012-73532018000200119&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0012-73532018000200119&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0012-73532018000200119&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This paper introduces a novel physical model for measuring the hydraulic conductivity of granular materials in saturated conditions. An innovation in the location of the device&#8217;s piezometers allows the device to be used to assess the permeability of layered soils for both parallel and perpendicular flows. The model&#8217;s square section construction makes soil compaction easy. Design methodology took issues of construction, calibration and implementation into account. Permeability coefficients in directions parallel and perpendicular to soil stratification were measured, and Student&#8217;s t-test was performed for the relation of experimental results and existing numerical correlations. Analysis of the results shows that the physical model can replicate seepage in layered soils with parallel and perpendicular flows as occurs in field. Furthermore, it was found that it is possible to validate the experimental calibration data by use of statistical techniques.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Este documento presenta un modelo físico novedoso que permite medir la conductividad hidráulica en materiales granulares saturados. Una innovación en la ubicación de los piezómetros del dispositivo permite que este se use para evaluar la permeabilidad de los suelos estratificados tanto para flujos paralelos como perpendiculares. La construcción de la sección cuadrada del modelo facilita la compactación del suelo. La metodología de diseño tuvo en cuenta aspectos de construcción, calibración e implementación. Se midieron los coeficientes de permeabilidad en direcciones paralelas y perpendiculares a la estratificación del suelo. Además, se realizó la prueba-t de Student para la relación de los resultados experimentales y correlaciones numéricas existentes. El análisis de resultados muestra que el modelo físico puede replicar el fenómeno de filtración de agua a través de suelos granulares estratificados como sucede en campo. Por otra parte, se encontró que es posible validar el procedimiento de calibración experimental mediante técnicas estadísticas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[equivalent permeability coefficient]]></kwd>
<kwd lng="en"><![CDATA[seepage]]></kwd>
<kwd lng="en"><![CDATA[statistical analysis]]></kwd>
<kwd lng="en"><![CDATA[t-test]]></kwd>
<kwd lng="es"><![CDATA[análisis estadístico]]></kwd>
<kwd lng="es"><![CDATA[coeficiente de permeabilidad equivalente]]></kwd>
<kwd lng="es"><![CDATA[filtración, prueba-t]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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