Evaluación de la temperatura superficial in situ en el puente vehicular de la NQS (Autopista Sur) con Av. Carrera 50 y el puente vehicular ubicado en la Calle 38 A sur (Mata Tigres) (Bogotá)

Abstract

The (CCP-14, 2014) (Colombian bridge design code) is the fundamental basis for the design of bridges, it specifies each one of the components to take into account when calculating and designing this type of structure. However, damage or changes caused by environmental factors such as weather on bridges; They are regionalized in this code for the Colombian territory. It is very important to evaluate these changes in temperature, as they cause deformation, wear and other conditions in the structure that can lead to failure. Heat is transferred to a bridge through the mechanisms of radiation and convection (especially forced convection caused by the actions of the wind). The present work aims to demonstrate these surface temperature changes presented in the Matatigres vehicular bridge located on Calle 38 south and the General Santander vehicular bridge located on the NQS with Ak. 50 of the city of Bogotá, through on-site monitoring during the period of August 2020 in two hours (morning and afternoon). Once the data have been obtained through the FLIR ONE PRO thermal camera, an analysis of the temperatures recorded is carried out using a numerical model, which will allow us to determine the behavior of these structures in the face of the heat transfer they experience.