<?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>S0012-73532022000400061</article-id>
<article-id pub-id-type="doi">10.15446/dyna.v89n223.97405</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Soil nailing wall with vertical nails to displacement reduction: Brazilian Practice]]></article-title>
<article-title xml:lang="es"><![CDATA[Pared de clavado del suelo con clavos verticales para la reducción de los desplazamientos: la práctica Brasileña]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Querelli]]></surname>
<given-names><![CDATA[André]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Souza]]></surname>
<given-names><![CDATA[Tiago de Jesus]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cepeda]]></surname>
<given-names><![CDATA[André Augusto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Solotechnique Geotechnical Consulting and Engineering  ]]></institution>
<addr-line><![CDATA[Jundiaí SP]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Geoestável, São Paulo  ]]></institution>
<addr-line><![CDATA[SP ]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<volume>89</volume>
<numero>223</numero>
<fpage>61</fpage>
<lpage>66</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0012-73532022000400061&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0012-73532022000400061&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0012-73532022000400061&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Most of the time, geotechnical engineering interventions require solutions that necessarily aim for better use of the available space. Many slope stabilization techniques were developed following that assumption, and one of the most applied procedures in Brazil is the soil nailing reinforcement. These engineering techniques are constantly improving. Consequently, a continuous study of the design and behavior of soil nails is important. The technique of vertical nails reinforcement in soil nailing is recent in the Brazilian scenario. Nowadays, some constructors started to use them near the slope face when stabilizing huge excavations. This paper aims to verify the vertical nails&#8217; efficiency in reducing horizontal displacements. We present three numerical modeling analyses using the finite elements method (FEM). The proposed model is a soil nailing of approximately 18m high in a homogeneous subsoil in São Paulo city. Comparing situations with and without vertical nails, as if an inclined face (slope), the results showed that adding those nails could reduce horizontal displacements.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La mayoría de las veces, las intervenciones de ingeniería geotécnica requieren soluciones que necesariamente apuntan a una mejor utilización del espacio disponible. Muchas técnicas de estabilización de taludes fueron desarrolladas siguiendo esa premisa y uno de los procedimientos más aplicados en Brasil es el refuerzo con clavos del suelo. Como todas esas técnicas de ingeniería están en constante perfeccionamiento, es importante que el diseño y el comportamiento de los clavos de suelo sigan siendo estudiados. La técnica de refuerzo con clavos verticales en el suelo es reciente en el escenario brasileño. Ahora algunos constructores comenzaron a utilizarlos cerca de la cara del talud al estabilizar grandes excavaciones. Este trabajo tiene como objetivo verificar la eficiencia de los clavos verticales en la reducción de los desplazamientos horizontales. Se presentan tres análisis de modelización numérica mediante el método de elementos finitos (MEF). El modelo propuesto es un clavado de suelo de aproximadamente 18 m de altura, en subsuelo homogéneo en la ciudad de São Paulo. Comparando situaciones con y sin clavos verticales, como con una cara inclinada (talud), los resultados mostraron que la adición de esos clavos podría reducir los desplazamientos horizontales.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[soil nailing, vertical nails]]></kwd>
<kwd lng="en"><![CDATA[shotcrete facing]]></kwd>
<kwd lng="en"><![CDATA[Finite Elements Method (FEM)]]></kwd>
<kwd lng="en"><![CDATA[horizontal displacements]]></kwd>
<kwd lng="es"><![CDATA[clavado de suelos]]></kwd>
<kwd lng="es"><![CDATA[clavos verticales]]></kwd>
<kwd lng="es"><![CDATA[revestimiento de hormigón proyectado]]></kwd>
<kwd lng="es"><![CDATA[Método de Elementos Finitos (MEF)]]></kwd>
<kwd lng="es"><![CDATA[desplazamientos horizontales]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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