Publicación: Simulación del fuego, casó puentes simplemente apoyados placa viga
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Bridges are road infrastructures of critical magnitude, which can suffer deterioration or collapse, which can generate large economic and social losses. The study of these structures focuses on defining loads within the design and actions such as earthquakes or in given cases undermining the foundations, which in turn are studied in the regulations applied to the design of bridges. However, a transcendental factor that must exist for the design of bridges is fire, but due to the great absence of studies in the Colombian regulations as far as fire safety is concerned, it is of great importance to include the analysis of fire in these structures as well as the consequences of fire episodes occurring in past cases.This research paper establishes two fundamental parts of study, which is divided into the investigative verification regarding a Doctoral Thesis Quartile 1 Scopus, which seeks the validation of fire simulation on bridges simply supported beam plate, where it corroborates the variation of temperatures reached in the structural elements and the range that can have the high temperatures in this type of bridge beam plate. As a second part of the research study, a case study was sought which may be exposed to a fire threat such as the Gualanday-Tolima curved metal bridge, in which two scenarios of a possible fire incidence by tanker truck were determined, specifically on the track axis and next to the abutment of the bridge, both cases under the superstructure of the bridge, being able to analyze the behavior of the fire in both cases, as it is possible to foresee the temperatures that can reach the structural elements which are exposed to the fire, as well as the critical points that can obtain deterioration in the environment of the bridge being the most affected with respect to an eventual load of fire. Once detected the temperatures and scenarios that may occur on the metallic curved bridge Gualanday-Tolima, we study the temperatures reached globally by means of temperature sensors by simulating the computational dynamics of the fire of a tanker truck. This study refers to the contour conditions of the model to actually reproduce the behavior of the bridge against fire with the help of previous research and claims that have been found in the study of fire safety in countries as the United States and Europe and, therefore, at your risk of collapse. This research lays the groundwork for a future more in-depth study of structural as well as material mechanics, thus seeking a call to the present day with regard to fire safety in the bridge application.