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Procedimiento analítico para el cálculo de respuestas impulsivas en sistemas de piso ante el caminar humano
Analytical procedure for calculating impulsive responses on floor systems under human walking
DOI:
https://doi.org/10.15446/dyna.v91n232.111377Keywords:
procedimiento analítico; concreto reforzado; vibración de losa; caminar humano (es)analytical procedure; reinforced concrete; floor vibration; human walking (en)
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El caminar humano es una actividad que genera respuestas impulsivas en sistemas de piso con frecuencia fundamental mayor que 10 Hz. En la literatura se han propuesto procedimientos analíticos basados en funciones polinomiales extensas para calcular respuestas impulsivas en losas ante el caminar humano. Sin embargo, la predicción de este tipo de actividad humana en el desarrollo de procedimientos analíticos aún es compleja. Por tal razón, es necesario proporcionar alternativas de simulación del caminar humano y análisis de la respuesta dinámica del sistema de piso. Considerando lo anterior, se propone un procedimiento práctico basado en el uso de una función armónica simple para calcular la respuesta impulsiva del sistema de piso, el cual se valida con un estudio numérico-experimental de una losa de concreto reforzado apoyada sobre vigas sometida al caminar de una persona. De los resultados obtenidos, se demuestra que el procedimiento propuesto proporciona resultados razonablemente aproximados.
Human walking is an activity which generates impulsive responses on floors systems with fundamental frequency higher than 10 Hz. In the literature, there are procedures based on extensive polynomial functions to calculate impulsive responses on floor systems under human walking. However, the prediction of this type of human activity in the development of analytical procedures is still complex. Because of that, it is necessary to provide alternatives of human walking simulation and dynamic response analysis of the floor system. Considering this, a practical procedure based on the use of a simple harmonic function is proposed to calculate the impulsive response of the floor system, which is validated with a numerical-experimental study consisting of a concrete slab supported on beams subjected to a person’s walking. According to the obtained results, it is demonstrated that the proposed procedure provides reasonably approximate results.
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