<?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>0120-0283</journal-id>
<journal-title><![CDATA[Boletín de Geología]]></journal-title>
<abbrev-journal-title><![CDATA[bol.geol.]]></abbrev-journal-title>
<issn>0120-0283</issn>
<publisher>
<publisher-name><![CDATA[Universidad Industrial de Santander]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-02832017000200031</article-id>
<article-id pub-id-type="doi">10.18273/revbol.v39n2-2017002</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[ESPECTROS DE RESPUESTA ELÁSTICA DE PSEUDOACELERACIÓN A PARTIR DEL ANÁLISIS DINÁMICO LINEAL EQUIVALENTE DEL SUELO EN CHIMBOTE - PERÚ]]></article-title>
<article-title xml:lang="en"><![CDATA[PSEUDOACELERATION ELASTIC RESPONSE SPECTRA FROM SOIL LINEAR EQUIVALENT DYNAMIC ANALISYS IN CHIMBOTE - PERÚ]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales]]></surname>
<given-names><![CDATA[Cecilio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bernal]]></surname>
<given-names><![CDATA[Isabel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tavera]]></surname>
<given-names><![CDATA[Hernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arredondo]]></surname>
<given-names><![CDATA[Luz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oyola]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,cecilioj.morales@gmail.com  ]]></institution>
<addr-line><![CDATA[ Lima]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Geofísico del Perú (IGP)  ]]></institution>
<addr-line><![CDATA[ Lima]]></addr-line>
<country>Perú</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<volume>39</volume>
<numero>2</numero>
<fpage>31</fpage>
<lpage>47</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-02832017000200031&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-02832017000200031&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-02832017000200031&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN En la actualidad en el campo de la ingeniería sísmica se han desarrollado diversas técnicas y metodologías, a fin de estimar o predecir la respuesta espectral de aceleraciones 1D del terreno, basadas en la propagación de las ondas de corte por medios rocosos y depósitos de suelos. Razón por la cual, en la presente investigación se plantea como principal objetivo calcular la respuesta espectral de aceleraciones 1D del suelo en superficie en Chimbote y Nuevo Chimbote, zona norte costera en Perú. Para ello, se utilizó como información base los resultados obtenidos previamente, en el estudio de &#8220;Zonificación Sísmica&#8221; de ambas ciudades. El cálculo de los espectros elásticos de respuesta se realizó a partir del análisis dinámico del tipo lineal equivalente. Fueron seleccionadas 5 series de tiempo correspondientes a eventos sísmicos producidos a nivel mundial y de sismos sintéticos, simulados siguiendo lineamientos de códigos sismorresistentes internacionales. A partir de estos registros y de un modelo viscoelástico del subsuelo, obtenido con las variaciones de las velocidades Vs30 y del espesor de los sedimentos previamente identificados en el mapa de zonificación sísmica, fueron calculados 56 espectros elásticos de aceleración promedio ajustados a cada variación del modelo. Estos 56 espectros fueron a su vez agrupados en rangos de Vs30 y espesor de sedimentos para compararlos con los espectros elásticos de diseño recomendados por la Norma Sismorresistente Peruana E.030 en suelos con características similares. A partir de una evaluación cualitativa, la metodología empleada arrojó resultados coherentes, lográndose recomendar para el área de estudio 4 nuevos espectros elásticos de diseño derivados de los propuestos en la E.030 y en base a los resultados de este estudio.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Nowadays in the seismic engineering filed several technics and methodologies have been developed with the main goal to estimate or predict the 1D acceleration response spectra of soil, all of them based in the upward propagation of shear waves from the underlying rock formation. For this reason, the principal aim of this research is determine the 1D surface soil response spectral acceleration in Chimbote and Nuevo Chimbote area at the north cost of Perú. For this purpose we use previous results from the &#8220;Seismic Zonation&#8221; project carried out previously in Chimbote and Nuevo Chimbote. The response spectra computation was performed through a linear equivalent dynamic analysis. For that, were selected 5 ground motion time series from worldwide earthquakes and artificial earthquakes simulated following internationals seismic codes guidelines. From these records, and using variations of Vs30 and sediment thickness from a seismic zoning map, we computed 56 response spectrums for each soil variation. These 56 acceleration response spectra were grouped into Vs30 and thickness ranges and compared with the National Seismic Code criteria and elastic design spectra from international codes for soil in similar conditions. From a qualitative evaluation, the methodology applied shows coherent results; we recommend for the study area 4 new elastic design spectra derived from E.030 recommendations and from the results of this research.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[espectros elásticos]]></kwd>
<kwd lng="es"><![CDATA[microzonificación sísmica]]></kwd>
<kwd lng="es"><![CDATA[zonificación sísmica]]></kwd>
<kwd lng="es"><![CDATA[ingeniería de terremotos]]></kwd>
<kwd lng="es"><![CDATA[espectros de diseño]]></kwd>
<kwd lng="en"><![CDATA[elastics response spectrum]]></kwd>
<kwd lng="en"><![CDATA[seismic microzonation]]></kwd>
<kwd lng="en"><![CDATA[seismic zonation]]></kwd>
<kwd lng="en"><![CDATA[earthquake engineering]]></kwd>
<kwd lng="en"><![CDATA[design spectra.]]></kwd>
</kwd-group>
</article-meta>
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