<?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>0185-092X</journal-id>
<journal-title><![CDATA[Ingeniería sísmica]]></journal-title>
<abbrev-journal-title><![CDATA[Ing. sísm]]></abbrev-journal-title>
<issn>0185-092X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Ingeniería Sísmica A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0185-092X2018000200001</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Respuesta sísmica de tanques elevados tipo péndulo invertido]]></article-title>
<article-title xml:lang="en"><![CDATA[Seismic response of inverted pendulum-type elevated tanks]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Barrios]]></surname>
<given-names><![CDATA[Hugo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Michoacana de San Nicolás de Hidalgo Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[Morelia ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<numero>99</numero>
<fpage>1</fpage>
<lpage>22</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-092X2018000200001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-092X2018000200001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-092X2018000200001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La mayoría de los tanques elevados para el almacenamiento de líquido son considerados como estructuras que forman parte de instalaciones vitales ya que deben permanecer funcionando correctamente aún después de la ocurrencia de un sismo. Los tanques elevados difieren de los tanques apoyados sobre el terreno debido a que están formados por dos partes: el elemento de apoyo y el contenedor. En décadas pasadas se han presentado numerosas fallas en este tipo de estructuras debidas a eventos sísmicos. En este artículo se plantea la ecuación general de movimiento de un tanque elevado considerando el modelo simplificado masa-resorte para modelar el líquido contenido en el tanque con paredes rígidas y la posibilidad de que se presente rotación en la base del contenedor. Los resultados indican la importancia de considerar en la ecuación de movimiento al menos tres modos convectivos del líquido, principalmente en la zona del Valle de México, además de la importancia de no despreciar la contribución de la rotación de la base del contenedor en el cálculo del momento en la cimentación del tanque.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The majority of elevated tanks are regarded as essential facilities, and therefore, they must be functional even after a major earthquake. Elevated liquid storage tanks have a vital role for storage of water and other liquids for use in military bases, industrial companies, nuclear reactor installations and water supply facilities. Elevated tanks are different from ground-based tanks because they consist of two main parts: the tower and the stiffness vessel. In the past few decades, numerous incidents of earthquake damage sustained by elevated tanks have been reported. In this paper an analytical mechanical model for tanks is developed taking into consideration the effect of both rocking motion and lateral translation. The results showed the importance of considerate on the movement equation three convective modes of liquid, principally in Mexico City zone, also the importance of considerate the rocking contribution of the vessel base on the moment foundation.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[tanques elevados]]></kwd>
<kwd lng="es"><![CDATA[péndulo invertido]]></kwd>
<kwd lng="es"><![CDATA[rotación en la base]]></kwd>
<kwd lng="en"><![CDATA[elevated tanks]]></kwd>
<kwd lng="en"><![CDATA[inverted pendulum]]></kwd>
<kwd lng="en"><![CDATA[rocking motion]]></kwd>
</kwd-group>
</article-meta>
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