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Ejercicio 5: Cálculo de alumbrado exterior Para el alumbrado público representado en la figura, determinar el factor de utilización η para las siguientes superficies:
a) Vía completa: calzada y acera combinadas.
b) Calzada: solo la parte destinada al tráfico vehicular.
c) Acera opuesta: la acera ubicada en el lado contrario a la fila de luminarias.
d) Acera próxima: la acera más cercana a la fila de luminarias.
Considerar una altura de montaje de las luminarias de 10 metros.
En este problema se nos pide que calculemos el factor de utilización para diferentes partes de la vía. Para ello tendremos en cuenta la geometría de la vía. Una vez determinados los coeficientes A/H y con ayuda de los gráficos suministrados por el fabricante obtendremos los valores del factor de utilización que usaremos en los cálculos.
a) Factor de utilización de la vía (comprende la calzada y las dos aceras):
El ancho A se obtiene sumando A1 (lado de acera) + A2 (lado de calzada)
b) Factor de utilización de la calzada (es la vía sin las aceras):
El ancho A se obtiene sumando A1 (lado de acera) + A2 (lado de calzada)
c) Factor de utilización de la acera opuesta a las luminarias:
El ancho A se obtiene restando A1 (lado de calzada) - A2 (lado de calzada)
d) Factor de utilización de la acera más próxima a las luminarias:
El ancho A se obtiene restando A1 (lado de acera) - A2 (lado de acera)
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