<?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>1390-0129</journal-id>
<journal-title><![CDATA[Revista Politécnica]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Politéc. (Quito)]]></abbrev-journal-title>
<issn>1390-0129</issn>
<publisher>
<publisher-name><![CDATA[Escuela Politécnica Nacional]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1390-01292023000200007</article-id>
<article-id pub-id-type="doi">10.33333/rp.vol51n2.01</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Análisis de Fragilidad de una de las Tipologías Estructurales más Relevantes de la Ciudad de Quito. Proyecto TREQ-GEM]]></article-title>
<article-title xml:lang="en"><![CDATA[Fragility Analysis of One of the Most Relevant Structural Typologies in Quito. TREQ-GEM.Project]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palacios]]></surname>
<given-names><![CDATA[Patricio]]></given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Celi]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de las Fuerzas Armadas ESPE Departamento de Ciencias de la Tierra y la Construcción, Sangolquí ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Pontificia Universidad Católica del Ecuador Departamento de Ingeniería Civil ]]></institution>
<addr-line><![CDATA[Quito ]]></addr-line>
<country>Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>07</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>07</month>
<year>2023</year>
</pub-date>
<volume>51</volume>
<numero>2</numero>
<fpage>7</fpage>
<lpage>18</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_arttext&amp;pid=S1390-01292023000200007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_abstract&amp;pid=S1390-01292023000200007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_pdf&amp;pid=S1390-01292023000200007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Esta investigación presenta los resultados de los análisis estáticos no lineales de las distintas combinaciones probables para la evaluación de la vulnerabilidad de estructuras de cuatro a seis pisos que tienen una forma irregular en planta con entrepisos de hormigón hecho en sitio y conformadas por pórticos rellenos con mampostería. Se obtuvieron curvas de capacidad teóricas y estas fueron sometidas a varios escenarios sísmicos definidos en la Norma Ecuatoriana de Construcción, para los periodos de retorno comprendidos desde 25 hasta 475 años en intervalos de 10 años, con variaciones de suelo tipo C y D. No se buscó determinar los modos de falla de la tipología sino el comportamiento global estructural, con el fin de utilizar esta información en los cálculos de riesgo del Distrito Metropolitano de Quito, con base en las curvas de fragilidad que se generaron. Las curvas de fragilidad mostraron que para un control basado en la deriva máxima permitida por la Norma Ecuatoriana de Construcción del 2%, se presentaron probabilidades predominantes del 95% de igualar o exceder el límite de daño completo, por lo que se busca concientizar sobre las intervenciones estructurales pre-evento sísmico, como reforzamientos o estrategias de mitigación de daño por parte de las autoridades gubernamentales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: This research presents the results of nonlinear static analyses of different probable combinations for the vulnerability assessment of four to six story structures with an irregular plan shape with cast-in-place concrete slabs made up by masonry-filled frames. Theoretical capacity curves were obtained and tested to several seismic scenarios defined in the Ecuadorian Construction Code for return periods ranging from 25 to 475 years at 10-year intervals, with type C and D soil variations. The aim was not to determine the failure modes of the typology but the overall structural behavior, in order to use this information in the risk calculations of the Metropolitan District of Quito, based on the fragility curves generated. The fragility curves showed that for a control based on the maximum drift allowed by the Ecuadorian Construction Code of 2%, there were predominant probabilities of 95% of equaling or exceeding the full damage limit, so the aim is to raise awareness to government authorities of pre-seismic structural interventions, such as reinforcements or damage mitigation strategies.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Curvas de capacidad]]></kwd>
<kwd lng="es"><![CDATA[análisis no lineal]]></kwd>
<kwd lng="es"><![CDATA[curvas de fragilidad]]></kwd>
<kwd lng="es"><![CDATA[vulnerabilidad]]></kwd>
<kwd lng="es"><![CDATA[riesgo]]></kwd>
<kwd lng="es"><![CDATA[Monte Carlo]]></kwd>
<kwd lng="en"><![CDATA[Capacity curves]]></kwd>
<kwd lng="en"><![CDATA[non-linear analysis]]></kwd>
<kwd lng="en"><![CDATA[fragility curves]]></kwd>
<kwd lng="en"><![CDATA[vulnerability]]></kwd>
<kwd lng="en"><![CDATA[risk]]></kwd>
<kwd lng="en"><![CDATA[Monte Carlo]]></kwd>
</kwd-group>
</article-meta>
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