<?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>S0012-73532023000200066</article-id>
<article-id pub-id-type="doi">10.15446/dyna.v90n226.105839</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Stabilization of clayey soils using asphalt emulsion and steel filings for subgrades]]></article-title>
<article-title xml:lang="es"><![CDATA[Estabilización de suelos arcillosos mediante emulsión asfáltica y virutas de acero para subrasantes]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gálvez-Cooper]]></surname>
<given-names><![CDATA[Amanda Gabriela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Católica Faculty of Engineering ]]></institution>
<addr-line><![CDATA[Chiclayo ]]></addr-line>
<country>Peru</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<volume>90</volume>
<numero>226</numero>
<fpage>66</fpage>
<lpage>72</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0012-73532023000200066&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0012-73532023000200066&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0012-73532023000200066&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This research evaluates the changes brought about by the addition of asphalt emulsion and steel filings in clayey soils for subgrade in urban pavements. For this study, different dosages of each additive were established, being 1%, 2%, 4%, 8%, and 15% for the steel filings and 3%, 6%, 9%, 13%, and 18% for the asphalt emulsion, obtaining favorable results in the subgrade in accordance with the CE.010 Urban Pavement standard. With the steel filings the CBR (California Bearing Ratio) had a linear increase whose maximum value was reached with the dosage of 15% increasing the CBR considerably by 189.47% above the CBR of the natural soil; on the other hand, with the asphalt emulsion a maximum increase in CBR was obtained with the dosage of 13% obtaining an increase of 236.84% and after that a decrease is observed with the addition of 18% of asphalt emulsion.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Esta investigación evalúa los cambios producidos por la adición de emulsión asfáltica y limaduras de acero en suelos arcillosos para subrasante en pavimentos urbanos. Para este estudio se establecieron diferentes dosificaciones de cada aditivo, siendo 1%, 2%, 4%, 8% y 15% para las limaduras de acero y 3%, 6%, 9%, 13% y 18% para la emulsión asfáltica, obteniéndose resultados favorables en la subrasante de acuerdo con la norma CE.010 Pavimentos Urbanos. Con las limaduras de acero el CBR tuvo un incremento lineal cuyo valor máximo se alcanzó con la dosificación del 15% aumentando el CBR considerablemente en un 189,47% por encima del CBR del suelo natural; por otro lado, con la emulsión asfáltica se obtuvo un incremento máximo del CBR con la dosificación del 13% obteniéndose un incremento del 236,84% y posteriormente se observa un descenso con la adición del 18% de emulsión asfáltica.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[asphalt emulsion]]></kwd>
<kwd lng="en"><![CDATA[steel filings]]></kwd>
<kwd lng="en"><![CDATA[mechanical properties]]></kwd>
<kwd lng="en"><![CDATA[soil stabilization]]></kwd>
<kwd lng="en"><![CDATA[clays]]></kwd>
<kwd lng="en"><![CDATA[urban pavements]]></kwd>
<kwd lng="es"><![CDATA[emulsión asfáltica]]></kwd>
<kwd lng="es"><![CDATA[virutas de acero]]></kwd>
<kwd lng="es"><![CDATA[propiedades mecánicas]]></kwd>
<kwd lng="es"><![CDATA[estabilización de suelos]]></kwd>
<kwd lng="es"><![CDATA[arcillas]]></kwd>
<kwd lng="es"><![CDATA[pavimentos urbanos]]></kwd>
</kwd-group>
</article-meta>
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