CArga de Carril
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3.63
14.55
14.55
4.27
11.4
11.4
4.27
1.2
Datos: Luz : 67.0 m C. D.: 0.954 Tn/m a) Camión de Diseño: 3.63
14.55
4.27
14.55
4.27
33.5
33.5
29.23
29.23
d2
d3 d1
d1 =
33.5
33.5
=
16.75
29.23
=
14.62
29.23
=
14.62
14.62
+
14.55
67.0 m d2 =
16.75 33.5
d3 =
16.75 33.5
MCL = MCL =
3.63 509.41
+
16.75
14.55
b) Tandem de Diseño 11.4
11.4
1.2 33.5
33.5 32.3 d2 d1
d1 =
33.5
33.5 67.0 m
=
16.75
14.62
d2 =
16.75
32.3
=
16.15
16.75
+
11.4
33.5 MCL = MCL =
11.4 375.06
16.15
c) Carril de Diseño 0.954 Tn/m
33.5
33.5
d1
d1 =
33.5
33.5
=
16.75
1 2 535.31
0.95 Tn/m
16.75
67.0 m
Mmax
=
MCL
=
MCL
= 509.41
1.33
+
535.31
67.0 m
=
1212.83
2.- EVALUACION POR MOMENTO MAXIMO POR SOBRE CARGA a) Camión de Diseño: 3.63
14.55
14.55
Z R
4.27
4.27 8.54
R R
= =
ZxR ZxR Z
= = = Z
3.63 + 32.73
=
3.63 93.13 93.13 32.73 2.85
14.55 +
8.54 +
14.55
14.55
4.27
3.63
14.55
14.55
4.27 4.27 R RA
32.79
0.71
0.71
+
14.55
RB
33.5
RA
=
3.63
38.48
34.21
+
14.55
-
16.02
67 RA
=
16.02
RB RB
= =
3.63 16.71
Mmax Mmax
= =
16.02 509.66
+
14.55
+
14.55
32.79
-
3.63
4.27
b) Tandem de Diseño:
11.4
11.4
29.94
Mmax
R 0.3
RA
0.3
0.6
RB
33.5
RA
=
11.4
34.1 +
11.4
32.9
67 RA
=
11.4
RB RB
= =
11.4 + 11.4
Mmax Mmax
= =
11.4 378.48
11.4 -
33.2
b) Carga Carril de Diseño: Se toma la combinacion mas critica
0.954
67
11.4
RA
RB 32.79 RA
=
RB
=
31.96 2
Mmax
=
32.79
31.96
-
0.954
32.79 2
Mmax
=
535.07
Considerando el incremento por cargadinamica Mmax(LL+ml) Mmax(LL+ml)
= =
509.66 1212.92
1.33 +
535.07
REACCIOES MAXIMAS POR SOBECARGA a) Para carga por camion 14.55
14.55
3.63
4.27
4.27
RA 67
RA
=
14.55
67
+
14.55
62.73 67
RA
=
31.3
+
3.63
58.46
c) Para carga por tandem 11.4
11.4
1.2
67
RA
=
11.4
RA
=
60.56
67 +
11.4 25
c) Para cargapor carril
0.954
RA
RA
=
67
0.954
RA
=
2 31.959
Rmax
=
60.6
1.33 +
31.959
65.8
Rmax
=
112.50