Análisis y diseño de losas
Enviado por Ninoka • 7 de Enero de 2018 • 1.255 Palabras (6 Páginas) • 361 Visitas
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Diseño.
H= 15cm; d= 13.5cm
Asmín= 0.7 * [pic 17]
Asmín= 3.18 m2
Proponiendo V´s #5 @ 20cm
6V´s #5 → As= 6 * 1.98cm2= 11.88cm2> Asmín [Ok]
P= = 0.009[pic 18]
Q= = 0.23625[pic 19]
Mr= 0.9*100*13.52*136*0.23625 [1-0.5*0.23625] = 464,758 Kg-cm [=] 4.64 Tn-m
Mu (+) y Mu (-)
[pic 20]
Tablero 4.
Tablero 5. (Análisis)
Constante= 4.05m/ 5.00m
Constante= 0.90 [Tabla 6.1 N.T.C Interior]
Lado largo.
[-] M1= 320x10-4 * 828 * 4.052 = 434.60 Kg m/m
[+] M2= 0x10-4 * 828 * 4.052 = 0 Kg m/m
[-] M3= 127x10-4 * 828 * 4.052 = 172.48 Kg m/m
Lado corto.
[-] M1= 333x10-4 * 828 * 3.902 = 452.25 Kg m/m
[+] M2= 0x10-4 * 828 * 3.902 = 0 Kg m/m
[-] M3= 158x10-4 * 828 * 3.902 = 214.58 Kg m/m
Mayores.
Mayor (+)= 0 * 1.4= 0 Kg/m= 0 Tn/m
Mayor (-)= 452.25 * 1.4= 633.15 Kg/m= 0.633Tn/m
Diseño.
H= 15cm; d= 13.5cm
Asmín= 0.7 * [pic 21]
Asmín= 3.18 m2
Proponiendo V´s #3 @ 20cm
6V´s #3 → As= 6 * 0.71cm2= 4.26cm2> Asmín [Ok]
P= = 0.00315[pic 22]
Q= = 0.083[pic 23]
Mr= 0.9*100*13.52*136*0.083 [1-0.5*0.083] = 177,468 Kg-cm [=] 1.77Tn-m
Mu (+) y Mu (-)
[pic 24]
Tablero 5.
Tablero 6. (Análisis)
Constante= 4.05m/ 5 m
Constante= 0.90 [Tabla 6.1 N.T.C Exterior]
Lado largo.
[-] M1= 220x10-4 * 828 * 4.052 = 298.78 Kg m/m
[+] M2= 430x10-4 * 828 * 4.052 = 583.99 Kg m/m
[-] M3= 570x10-4 * 828 * 4.052 = 774.13 Kg m/m
Lado corto.
[-] M1= 270x10-4 * 828 * 4.052 = 366.69 Kg m/m
[+] M2= 540x10-4 * 828 * 4.052 = 733.38 Kg m/m
[-] M3= 333x10-4 * 828 * 4.052 = 452.25 Kg m/m
Mayores.
Mayor (+)= 733.38 * 1.4= 1,026.73 Kg/m= 1.02Tn/m
Mayor (-)= 774.13 * 1.4= 1,083.782 Kg/m= 1.08Tn/m
Diseño.
H= 15cm; d= 13.5cm
Asmín= 0.7 * [pic 25]
Asmín= 3.18 m2
Proponiendo V´s #5 @ 20cm
6V´s #5 → As= 6 * 1.98cm2= 11.88cm2> Asmín [Ok]
P= = 0.009[pic 26]
Q= = 0.23625[pic 27]
Mr= 0.9*100*13.52*136*0.23625 [1-0.5*0.23625] = 464,758 Kg-cm [=] 4.64 Tn-m
Mu (+) y Mu (-)
[pic 28]
Tablero 6.
Tablero 7. (Análisis)
Constante= 1.65m/ 3.90m
Constante= 0.50 [Tabla 6.1 N.T.C Esquina]
Lado largo.
[-] M1= 258x10-4 * 828 * 1.652 = 58.15 Kg m/m
[+] M2= 152x10-4 * 828 * 1.652 = 34.26 Kg m/m
[-] M3= 475x10-4 * 828 * 1.652 = 107.07 Kg m/m
Lado corto.
[-] M1= 598x10-4 * 828 * 1.652 = 134.80Kg m/m
[+] M2= 362x10-4 * 828 * 1.652 = 81.60 Kg m/m
[-] M3= 358x10-4 * 828 * 1.652 = 80.70 Kg m/m
Mayores.
Mayor (+)= 81.60 * 1.4= 114.24 Kg/m= 0.114Tn/m
Mayor (-)= 134.80 * 1.4= 188.72 Kg/m= 0.18Tn/m
Diseño.
H= 15cm; d= 13.5cm
Asmín= 0.7 * [pic 29]
Asmín= 3.18 m2
Proponiendo V´s #3 @ 20cm
6V´s #3 → As= 6 * 0.71cm2= 4.26cm2> Asmín [Ok]
P= = 0.00315[pic 30]
Q= = 0.083[pic 31]
Mr= 0.9*100*13.52*136*0.083 [1-0.5*0.083] = 177,468 Kg-cm [=] 1.77Tn-m
Mu (+) y Mu (-)
[pic 32]
Tablero 7.
Tablero 8. (Análisis)
Constante= 1.65m/ 3.90m
Constante= 0.50 [Tabla 6.1 N.T.C Exterior]
Lado largo.
[-] M1= 220x10-4 * 828 * 1.652 =
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