# creo un acero
s = sd.steel(FY=337,
E0=180510.0,
nu=0.3,
n=13.5,
offset=0.002,
name='SA304_1_4Hard')
FTB = []
FBx = []
FBy = []
TB = []
for L in Long:
# defino parametros de diseño
dp = sd.designParameters(Kx=0.5, Ky=0.5, Kz=0.5)
# creo un miembro
m = sd.member(L=L, profile=p1, steel=s, designParameters=dp)
# creo el analisis
analysis = sd.ASCE_8_02(m)
# calculo admisibles
(_, Pn_FTB) = analysis.s3_FTB()
(_, Pn_TB) = analysis.s3_TB()
(x_dir, y_dir) = analysis.s3_FB()
FTB.append(Pn_FTB)
TB.append(Pn_TB)
FBx.append(x_dir[1])
FBy.append(y_dir[1])
print('L=', L, '| FTB =', round(Pn_FTB, 2), '| TB =', round(Pn_TB, 2),
'| FBx =', round(x_dir[1], 2), '| FBy =', round(y_dir[1], 2))
'''Example 3.1 c-Section wlps (LRFD).
Lin, Shin-Hua; Yu, Wei-wen; and Galambos, Theodore V., "Illustrative examples based on the ASCE
standard specifcation for the design of cold-formed stainless steel structural members" (1991). Center
for Cold-Formed Steel Structures Library. p44
'''
import steeldesign as sd
# creo perfil
p1 = sd.c_w_lps_profile(H=6.0, B=1.625, D=0.60, t=0.06, r_out=(0.06 + 3 / 32))
# creo material
s = sd.steel(FY=50,
E0=27000,
nu=0.3,
n=4.58,
offset=0.002,
name='SA301_1_4Hard')
# parametros de diseño
dp = sd.designParameters()
# creo un miembro
m = sd.member(L=100, profile=p1, steel=s, designParameters=dp)
# creo el analisis
analysis = sd.ASCE_8_02(m)
fiMn, midC = analysis.s3_3_1()
print('Mn_no =', round(midC['Mn_no'], 2), '| fiMn_no =',
round(midC['fiMn_no'], 2))
# Valores de referencia: Mn_no = 51.45 | fiMn_no = 46.31
# Valores de steeldesign: Mn_no = 51.38 | fiMn_no = 46.24
import steeldesign as sd
# creo un perfil con refuerzo de labios
p1 = sd.I_builtup_c_profile(H=6.0, B=1.625, t=0.06, r_out=(0.06 + 3 / 32))
p2 = sd.c_profile(H=6.0, B=1.625, t=0.06, r_out=(0.06 + 3 / 32))
p2.calculate(loadProfileFromDB=True)
# creo un acero
s = sd.steel(FY=50,
E0=27000,
nu=0.3,
n=4.58,
offset=0.002,
name='SA301_1_4Hard')
# defino parametros de diseño
dp = sd.designParameters(Lx=4 * 12, Ly=4 * 12, Lz=4 * 12, Cb=1.75)
# creo un miembro
m = sd.member(L=4 * 12, profile=p1, steel=s, designParameters=dp)
p1.J = 2 * p2.J
# creo el analisis
analysis = sd.ASCE_8_02(m)
# calculo admisibles
fiMn, midC = analysis.s3_3_1()
print('fiMn =', round(fiMn, 2), '| Mn_no =', round(midC['Mn_no'], 2),
'| Mn_LB =', round(midC['Mn_LB'], 2))
# Valores de referencia: fiMn = 48.07 | Mn_no = 71.10 | Mn_LB = 56.55
# Valores de steeldesign: fiMn = 48.52 | Mn_no = 70.99 | Mn_LB = 57.08
# NOTA: Error tiene origen en el uso de eta_iter en lugar de los valores de tabla que usa la referencia. f_ref=38.47 f_eta_iter= 38.88
Lin, Shin-Hua; Yu, Wei-wen; and Galambos, Theodore V., "Illustrative examples based on the ASCE
standard specifcation for the design of cold-formed stainless steel structural members" (1991). Center
for Cold-Formed Steel Structures Library. p221
'''
import steeldesign as sd
# creo un perfil c on refuerz ode labios
p1 = sd.I_builtup_c_profile(H= 6, B= 1.5, t= 0.135, r_out= (0.135+3/16) )
p2 = sd.c_profile(H= 6, B= 1.5, t= 0.135, r_out= (0.135+3/16) )
p2.calculate(loadProfileFromDB=True)
# creo un acero
s = sd.steel(FY= 30, E0= 27000, nu= 0.3, n= 9.7, offset= 0.002, name= 'SA409_long')
# defino parametros de diseño
dp = sd.designParameters(Lx= 14*12, Ly= 7*12, Lz= 7*12)
# creo un miembro
m = sd.member(L= 14*12, profile= p1, steel= s, designParameters= dp)
p1.J = 2*p2.J
# creo el analisis
analysis = sd.ASCE_8_02(m)
# calculo admisibles #
fiPn, midC = analysis.s3_4()
print('fiPn =', round(fiPn,2),'| Pn =', round(midC['Fn_FBy']*midC['Ae'],2))
print('Esbeltez de', m.profile.elements[1]['name'],'=', round(m.profile.elements[1]['sec 3.4-fiPn']['esbeltez'],2))
print('Esbeltez de', m.profile.elements[2]['name'],'=', round(m.profile.elements[2]['sec 3.4-fiPn']['esbeltez'],2))
# Valores de referencia: fiPn = 19.53 | Pn = 22.98
# Valores de steeldesign: fiPn = 19.78 | Pn = 23.27
Lin, Shin-Hua; Yu, Wei-wen; and Galambos, Theodore V., "Illustrative examples based on the ASCE
standard specifcation for the design of cold-formed stainless steel structural members" (1991). Center
for Cold-Formed Steel Structures Library. p230
'''
import steeldesign as sd
# creo un perfil con refuerzo de labios
p1 = sd.I_builtup_c_w_lps_profile(H= 6.0, B= 2.50, D= 0.82, t= 0.135, r_out= (0.135+3/16) )
p2 = sd.c_w_lps_profile(H= 6.0, B= 2.5, D= 0.82, t= 0.135, r_out= (0.135+3/16) )
p2.calculate(loadProfileFromDB=True)
# creo un acero
s = sd.steel(FY= 30, E0= 27000, nu= 0.3, n= 9.7, offset= 0.002, name= 'SA409_long')
# defino parametros de diseño
dp = sd.designParameters(Lx= 12*12, Ly= 6*12, Lz= 6*12)
# creo un miembro
m = sd.member(L= 6*12, profile= p1, steel= s, designParameters= dp)
p1.J = 2*p2.J
# creo el analisis
analysis = sd.ASCE_8_02(m)
# calculo admisibles #
fiPn, midC = analysis.s3_4()
print('fiPn =', round(fiPn,2),'| Pn =', round(midC['Fn']*midC['Ae'],2))
print('Esbeltez de', m.profile.elements[1]['name'],'=', m.profile.elements[1]['sec 3.4-fiPn']['esbeltez'])
print('Esbeltez de', m.profile.elements[2]['name'],'=', round(m.profile.elements[2]['sec 3.4-fiPn']['esbeltez'],3))
print('Esbeltez de', m.profile.elements[3]['name'],'=', round(m.profile.elements[3]['sec 3.4-fiPn']['esbeltez'],3))
# Valores de referencia: fiPn = 62.93 | Pn = 74.04
# Valores de steeldesign: fiPn = 62.5 | Pn = 73.53
