ESTRUCTURAS-EN-CONCRETO-JORGE-SEGURA-FRANCO-7ED-pdf

Estructuras de Concreto 1 ------------------
-----Capftulo 5 Sistema de Losas armadas en una dirección
s = . AJyt = 2 * 71 * 420 = 340.8 mm- 0.34 m
0.35bw 0.35 * 500
Detalle:
En la parte central: F. _%" c/0.30
Resumen del diseño:
M (kN·m) =
0
1
1
1
;214.6
1
213.7
®
1
214.6 1
1
13E
c/0.10
l
•
9E
c/0.20
VIGA - 2 (0.50 x 0.50)
7.44
7.08
2$1L=8.40
7.70
9E
c/0.20
l 13 E
c/0.10
Mn (kN·m) =
p
1
:311.2
1
:0.01006
As (mm 2 ) = :2163
1
1
superior: ; 21 "+37/8
1
1
inferior: ;27/8+ 1 1"
1
1
V (kN) = : 241.7
1
Vd (kN) = :212.39
309.9
0.00317
(sección "T")
1990
311.2 :
1
0.01006;
2163:
1
____ 21" ___ 21"+37/8:
47/8"+11" __ 11"+27/8';
1
241.7:
1
1
1
212.39;
1
1.095
0.50
2$7 /8L=5.25
1$1+2$7 /8L=8.40 y 8.30
7.70
~o* 0.42~5 x125
0.~~ ~ 0.~
]
0.42
47E$3/8L=l.93
CORTE A-A
Figura 5.14
Vu = :307.97
1
307.97~
V 5 (kN) =
1
; 182.15
1
1
S total (m)= ~2.27 + 0.64 = 2.91
1
1
Estribos: ~ 13&$ 3/8" c/0.1 O+
1
1
j 9&$ 3/8" c/0.20
E$ 3/8" c/0.30
182.15
2.91
13&$ 3/8" c/0.1 0+!
1
1
9&$ 3/8" c/0.20;
1
262
263