E S P E C T R O D E R E S P U E S T A
Zona sismica Tipo de suelo c Ta (s) Tb (s) r Q F.C.R.B II 0.04 0.16 0.3 1.5 0.67 2 1
Q' = (Q) (F.C.R.) = 2c' = c / Q' = 0.08
T a a x g (m/s²)0.00 0.0400 0.39240.10 0.0533 0.52320.20 0.0667 0.65400.30 0.0800 0.78480.40 0.0800 0.78480.50 0.0800 0.78480.60 0.0800 0.78480.70 0.0800 0.78480.80 0.0800 0.78480.90 0.0800 0.78481.00 0.0800 0.78481.10 0.0800 0.78481.20 0.0800 0.78481.30 0.0800 0.78481.40 0.0800 0.78481.50 0.0800 0.78481.60 0.0766 0.75171.70 0.0736 0.72201.80 0.0708 0.69501.90 0.0683 0.67042.00 0.0660 0.64782.10 0.0639 0.62712.20 0.0620 0.60802.30 0.0602 0.59022.40 0.0585 0.57372.50 0.0569 0.55832.60 0.0554 0.54392.70 0.0541 0.53042.80 0.0528 0.51772.90 0.0515 0.50573.00 0.0504 0.49443.10 0.0493 0.48373.20 0.0483 0.47363.30 0.0473 0.46403.40 0.0464 0.45483.50 0.0455 0.44613.60 0.0446 0.43783.70 0.0438 0.42993.80 0.0430 0.42233.90 0.0423 0.41514.00 0.0416 0.4081
Nota: Cambiar valores solo en celdas amarillas.
ao
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 410.0000
0.1000
0.2000
0.3000
0.4000
0.5000
0.6000
0.7000
0.8000
0.9000
ESPECTRO SISMICO
Periodo Natural (s)
Ac
ele
rac
ion
de
l T
err
en
o (
m/s
²)
Nomenclatura:
F.C.R. = Factor por no satisfacer las condiciones de regularidad (M.D.O.C. C.F.E. seccion 3.4.3).T = Periodo Natural de Interes (s).ao = coeficiente de aceleracion del terreno (m/s²).Ta y Tb = Periodos caracteristicos que limitan la meseta (s)r = Exponente que define la parte curva del espectro de diseño.g = aceleracion de la gravedad (9.81 m/s²).
a=ao+(c−ao )⋅TT a;
a=c ;
a=c⋅[T bT ]r
;
T <T a
T a≤T≤T b
T >T bsi
si
si
Expresiones según M.D.O.C. C.F.E. seccion 3.3.2
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