METRADO Y DIMENSI DIMENSIONAMENT ONAMENTO O DE LOSA METRADO DE CARGAS →
Espesor de la losa:
t= 20.00 cm "= #!$ %% (= '0.20 m espesor= *.00 cm
Fy= &%c= )= rec+,.=
4200 2 '0 k *4 2.0
CARGA M-ERTA /D PESOS
300 100
PESO PROPIO LOSA PESO PESO ACABADOS
Kg/m2 Kg/m2
= = /D =
0. 3 0. 1 0.4
Tn/m2 Tn/m2 Tn/m2
100 0
'g/m1 Kg/m2
= = /( =
0. 1 0 0.1
Kg Kg/m Tn/m2 Kg/m
0.3
Kg/m2
CARGA 11A /( PESOS
SOBRECARGA TABIQUERÍA MOVIL
→
Cara de d3seo /+: /%+=
!"=
0.2#2
Tn/m
5RMER 5A6O →
C7(C-(O DE MOME8TOS 5OR E( M9TODO DE ARD; CROSS
0.2<2 A
FD 1 ME5 %0.&3 DESE>-(RO E>-(RO
L=$.1
L=
K= 0.20
K= 0 0.$0 0.&3 0.00 0.00 0 00
0.$0 %0.&3
0 00
%0.&3
0.&3
MA= 0.?# T@ m
%0.&3
M= 0.?# T@ m
B MOME8TOS E8 (OS C(AROS: C()*")(m+, -) m+m-n+ -n +n- -) ()+ -) *+(n- -, g"() ( 0. TEEMOS5 ∑ Mo ®
M A R A 7V+ %0.2#267+829/4 = M MA=
∑ Mo ®
MB RB 7V+ %67+829/
0.<' T@ m
MC=
0.2<2 A
L=$.1
Ro Mo DM!( R De&
L=$
0.4 0.&3 0.00 0.4
0.4 0.4 0.&3 0.&3 0.00 0.00 0.4 0.4
R A= 0.4
RB= 1.4#
C:)*")(m+, -) ;"n+ +n- )( <"-( *+(n- -, g"() ( *-+ V= 0 5 0. 2< 2
0. 2<2
M A
7
M 1
1
R A= ∑ Fo= 0 ®
C RC
0.4%0.2#27 % V = 0
7 = 2.$$ →
7
∑ Fo= 0 ®
0.4%0.2#27 % V
7
DSTR-C8 DE MOME8TOS ; 7CERO S- *()*")(n )+, m+m-n+, m-(n- )(, <>m")(, *+n+*(, ? ,- -<*( , -@"-- -n,(n*- - g"-(,.
Mn Mu M'u CONDICION As requerida As proporciona proporcionado do →
0.$ 0.&3 1.& O) 0.#1& 1.2&
0.2 0.#1 &.& O) 1.2$ 1.##
0.$ 0.&3 1.& O) 0.#1& 1.2&
0.2 0.#1 &.& O) 1.2&2 1.##
0.$ 0.&3 1.& O) 0.#1& 1.2&
MOME8TOS RESSTE8TES:
) , d
Mu máx =
S5
=
1.$2
%
P-()- -<-*+
TRAMOS
APOYOS
= M" m:7 = →
F=
40 &.&
M" m:7 =
C7(C-(O DE ACERO ACERO NEATI!O
ACERO NEATI!O
ACERO NEATI!O
A
B
C
( 0 .$ 2.0$2&&04 2.14#2$3 2.1$$$&43 2.1$$## 2.1$&00$ 2.1$&00& 2.1$&00&# 2.1$&00&#
A, 0. 0.#1 0.#2 0.#2 0.#2 0.#2 0.#2 0.#2 0.#2
( 3.$04$ 2.241#&04 2.1&20&&# 2.1$&4041 2.1$&032#3 2.1$&00& 2.1$&00 2.1$&00&# 2.1$&00&#
A A, -@= C(n(= A, mn= A, -()=
10 1.&
0.<2 '.00 0.00 0.#2 '.2
cm2 cm2 cm2 O)
A, 0 .# & 0.#2 0.#2 0.#2 0.#2 0 .# 2 0 .# 2 0.#2 0.#2
1/2 3/
0.<2 '.00 0.00 0.#2 '.2
cm2 cm2 cm2 O)
ACERO POSITI!O
ACERO POSITI!O
AB
BC
( 3.$04$ 0.04$ 0 411333
A, 1.3 1.2& 1 2&
( 3.$04$ 2.241#& 2.1&20& 2.1$&404 2.1$&033 2.1$&00# 2.1$&00 2.1$&00 2.1$&00
( 3.$04$ 0.04$01 0 4113333
A, 1.3 1.2& 1 2&
A, 0 .# & 0.#2 0.#2 0.#2 0.#2 0.#2 0.#2 0.#2 0.#2
C 1/2 3/
0.<2 '.00 0.00 0.#2 '.2
cm2 cm2 cm2 O)
1 /2 3 /
0.3#32$ 0.3#32$ 0.3#32$ 0.3#32$ 0.3#32$
1.2& 1.2& 1.2& 1.2& 1.2&
0.3#32$4 0.3#32$2 0.3#32$2 0.3#32$2 0.3#32$2
A A, -@= C(n(= A, mn= A, -()=
→
'.2? '.00 0.00 '.2? '.<$
C
cm2 cm2 cm2 O)
$/ 3/
'.2? '.00 0.00 '.2? '.<$
cm2 cm2 cm2 O)
$/ 3/
(O8GT-DES DE ACERO: PAÑO I AB 1.300 1.100
TRAMO L /4 = L /$ =
'
PAÑO II BC 1.300 1.100
'
' '!!2 1.30m
1.10m
A;+?+
'
→
1.2& 1.2& 1.2& 1.2& 1.2&
'! 2 1.10m
* !$ 1.30m
*!$
ACERO 5OR TEM5ERAT-RA: Ast=
0.002*
A,=
B *.00
B '00.00
1.2$ *m2
* eces el espesor de la losa 8H ar3llas ! '0 '00 4*
S=
Tomamos I En+n*-,5
1
2*
cm
f
1/ 1/4
4.00
())(, -
2$.00 2$.00 *m 2$.00 2$.00 *m 4$.00 4$.00 *m
2$ *m
1/4
!cm2 !cm2 .#* cm
0.2<2 C .1 .20 1 0.&3
0.&3
MC= 0.?# T@ m
= M
0.<' T@ m
0.2<2 C .10
0.4 0.&3 0.00 0.4 RC= 0.4
= 0
= 2.$$
&%c 10 0 14 0 1 $ 21 0 2 0 31 $ 3$ 0 3 $ 40 0 4$ 0
&y 420 0 420 0 420 0 420 0 420 0 420 0 420 0 420 0 420 0 420 0
&, 0.01011# 0.0141& 0.010 0.0212$0 0.02333 0.031$ 0.03$41 0.03#4& 0.0404& 0.04$$3&
& maJ 0.00$#2& 0.010&2$ 0.013212$ 0.01$#3$ 0. 0 2 1 2 $ 0.023#0&2$ 0.02&$&2$ 0.024$#21 0.0303$143 0.0341$1&
K maJ 0. 3 1 $ 0. 3 1 $ 0.31$ 0.31$ 0.31$ 0.31$ 0.31$ 0. 3 1 $ 0. 3 1 $ 0. 3 1 $
) 2$.0$01 3&.23210#4 4$.2#0& $4.34#0&&41 2.4&$421 1.$23$##&1 #0.$134 #.0$1#043 103.$220313 11&.4&22$2
