<?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>1405-7743</journal-id>
<journal-title><![CDATA[Ingeniería, investigación y tecnología]]></journal-title>
<abbrev-journal-title><![CDATA[Ing. invest. y tecnol.]]></abbrev-journal-title>
<issn>1405-7743</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Ingeniería]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-77432017000400411</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Time and cost control in construction projects in southeast Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Control de tiempo y costo en proyectos de construcción en el sureste de México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Solís-Carcaño]]></surname>
<given-names><![CDATA[Rómel Gilberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morfín-García]]></surname>
<given-names><![CDATA[Carmen Sarahí]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zaragoza-Grifé]]></surname>
<given-names><![CDATA[Jesús Nicolás]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Yucatán  ]]></institution>
<addr-line><![CDATA[Mérida ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Yucatán  ]]></institution>
<addr-line><![CDATA[Mérida ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma de Yucatán  ]]></institution>
<addr-line><![CDATA[Mérida ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<volume>18</volume>
<numero>4</numero>
<fpage>411</fpage>
<lpage>422</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-77432017000400411&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-77432017000400411&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-77432017000400411&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Monitoring time and costs has been traditionally served as a basis for control of construction projects; this is because one of the main causes of legal conflicts derived from a construction contract is the breach on delivery time of the project, and because the main goal of a construction firm is to get a profit that it considers appropriate. In the late nineteenth century, Frederick Taylor laid the foundations in order to ascending the management to the category of science, and through engineering techniques he changed the paradigms of productivity in industry. After several decades of research on project management the Earned Value technique was developed, which allowed control the execution of a project through its budget and its schedule; and in the early twenty-first century took another step in how to make a project assessment for performance of time, through Earned Schedule technique. The aim of this study was to evaluate the effectiveness of two project management methods: Earned Schedule and Earned Value; to control the time and cost in construction projects executed in Mexico. For achieving this, time and cost performance indicators and predictors from six projects were calculated. Results showed better performance in projects using the method of Earned Schedule to control the time; and independence between the performance indicators of time and cost.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El monitoreo del tiempo y de los costos ha sido tradicionalmente la base para el control de los proyectos de construcción; esto se debe a que una de las principales causas de conflictos legales en la construcción es el incumplimiento en el tiempo de entrega, y que la principal meta de una empresa privada es obtener las utilidades que considera adecuadas. Frederick Taylor, a finales del siglo XIX, puso las bases para convertir la administración en una ciencia, y por medio de técnicas de ingeniería cambió los paradigmas de la productividad. Después de varias décadas de investigación sobre la gestión de proyectos se desarrolló la técnica Earned Value Management, la cual permitió controlar la ejecución de los proyectos a través de su presupuesto y de su calendario; y a principios del siglo XXI surgió la técnica Earned Schedule para evaluar el desempeño del tiempo en los proyectos. El objetivo de este estudio fue evaluar la efectividad de estas técnicas para el control del tiempo y costo en proyectos de construcción. Para esto se calcularon indicadores de desempeños y sus predictores en seis proyectos. Los resultados mostraron mejor desempeño en los proyectos que utilizaron la técnica Earned Schedule para controlar el tiempo; así como independencia entre los indicadores del desempeño del tiempo y del costo.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[construction]]></kwd>
<kwd lng="en"><![CDATA[control]]></kwd>
<kwd lng="en"><![CDATA[earned value]]></kwd>
<kwd lng="en"><![CDATA[predictors]]></kwd>
<kwd lng="en"><![CDATA[earned schedule]]></kwd>
<kwd lng="es"><![CDATA[construcción]]></kwd>
<kwd lng="es"><![CDATA[control]]></kwd>
<kwd lng="es"><![CDATA[valor ganado]]></kwd>
<kwd lng="es"><![CDATA[predictores]]></kwd>
<kwd lng="es"><![CDATA[programación ganada]]></kwd>
</kwd-group>
</article-meta>
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