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Dettagli Bibliografici
Autore principale:	Eduardo Chollett
Natura:	Artículo científico
Lingua:	es
Pubblicazione:	Universidad Centroccidental Lisandro Alvarado 2023
Soggetti:	Ingeniería Curva S La Pitia Lógica Difusa Lecciones Aprendidas Razonamiento Aproximado
Accesso online:	https://www.redalyc.org/articulo.oa?id=570374281005 https://www.redalyc.org/journal/5703/570374281005/ https://www.redalyc.org/journal/5703/570374281005/html/ https://www.redalyc.org/journal/5703/570374281005/570374281005.epub https://www.redalyc.org/journal/5703/570374281005/movil https://doi.org/10.51372/gacetatecnica241.3
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LA EXPERTICIA, VARIABLE ASOCIADA AL ÉXITO EN LA CONSTRUCCIÓN Eduardo Chollett Ingeniería Curva S La Pitia Lógica Difusa Lecciones Aprendidas Razonamiento Aproximado El desarrollo de esta investigación ha tenido como objetivo obtener un modelo matemático denominado La Pitia que aborde la capacidad de gestión de las empresas constructoras con la finalidad de que puedan responder ¿Por qué no se cumplen las fechas de entrega de las obras? ¿Por qué no se cumple con la calidad preestablecidas en las normativas? ¿Por qué no se cumple con la seguridad industrial? ¿Por qué se exceden en los costos planificados? ¿Por qué la gestión de obra se transforma en un factor generador de patologías? Es parte de un trabajo en el área de la prognosis en la construcción, cuyo alcance es predecir el éxito. En esa búsqueda, se obtuvieron funciones que modelan la capacidad de la empresa en reducir los riesgos que confrontará durante el proceso de ejecución, a las que se les ha denominado Experticia, la cual indica, cuán lejos o cerca se podría estar del éxito deseado en la ejecución de la obra. La gran mayoría de las empresas constructoras en Venezuela no se retroalimentan de los resultados obtenidos de sus obras, ni tienen un sistema de arreglo formal de data que permita realizar pronósticos confiables, razón por la cual, el desarrollo matemático de este trabajo se apoyó en conceptos del Razonamiento Aproximado y de la Lógica Difusa. 2023 artículo científico 1856-9560 https://www.redalyc.org/articulo.oa?id=570374281005 https://www.redalyc.org/journal/5703/570374281005/ https://www.redalyc.org/journal/5703/570374281005/html/ https://www.redalyc.org/journal/5703/570374281005/570374281005.epub https://www.redalyc.org/journal/5703/570374281005/movil https://doi.org/10.51372/gacetatecnica241.3 es http://www.redalyc.org/revista.oa?id=5703 Gaceta Técnica application/pdf Universidad Centroccidental Lisandro Alvarado Gaceta Técnica (República Bolivariana de Venezuela) Num.1 Vol.24

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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Environment & details: