Memoria Calculo Galpon
1 .- Datos generales Acero A42-27 ES Planchas de acero A42-278ES Electrodo E7018, raiz E6011 Velocidad delviento Sobrecarga nieve 1 m 3 km Vv := 120 ⋅ hr kg Qn := 30⋅ 2 m m Qv := = 69.444 16 2 s kg Qv := 70⋅ 2 m Vv
2 2
m Vv = 33.333 s
Presion Basicadel viento
Factores de Forma
(
) )-0.4 en(f 1.2s
0.4
Viento
0.8
0.4
Viento
0.8
Viento
1.2
1.0
0.8Carateristicas Geometrica Galpon
L
:= 4 ⋅ m col
Lvig := 7.648 ⋅ m
8.3M
1 5 m
6 M
5 m
6 m
6 m
6 m
6 m
6 m
6 m
6 m
6 m
6m
6 m
15
M
Factores de forma con cargas Galpon Cerrado C1 := 0.8⋅ Qv = 56 α := atan kg m
2
C2 := 0.4⋅ Qv = 28
kg m
2
C3 :=1.2⋅ Qv = 84 C6 := 1.0⋅ Qv = 70
kg m kg m
2 2
6.3 − 4.5 6
= 0.291 kg m
2
C4 := ( 1.2⋅ sin( α) − 0.4) ⋅ Qv = −3.863 Carga pornudo
C5 := −0.4⋅ Qv = −28
kg m
2
Distancia entre costaneras de cubierta Distancia entre costaneras laterales Distancia entre marcos Ph1 :=LLat⋅ C1⋅ Lm = 504 kg Ph3 := LLat⋅ C3⋅ Lm = 756 kg Pv4 := Lc⋅ Lm⋅ C4 = −34.765 kg
Lc := 1.5⋅ m LLat := 1.5⋅ m Lm := 6 ⋅ m Ph2 := LLat⋅ Lm⋅ C2 = 252 kgPh6 := LLat⋅ C6⋅ Lm = 630 kg Pv5 := Lc⋅ Lm⋅ C5 = −252 kg
Peso propio Cubierta PPc := 10⋅ kg m
2
Pp := Lc⋅ PPc⋅ Lm = 90 kg Sobrecarga solo seconsidero nieve Psc := 30⋅
kg m
2
PSC := Psc⋅ Lc⋅ Lm = 270 kg
MODELO GALPON
{imagen}
CARGAS
JORGE MANRIQUEZ T.
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