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Techo curvo b

d

f

l

L seccion

Longitud de arco s=

Luz m 21.76 25 30 35 40 45 50 55 60 65 70 75

Distancia/ arcos

Bridas Angulos

Barras

1+2/3(2f/L)² L

L=Luz d= 1.5% L b= 0.6 d f= 1/6 L l= 1.69 m

Diagonal

Enlaces

Templador

6

1"x1/8"

5/8"

3/8"

3/8"

5/8"

7.5

1"x3/16"

5/8"

3/8"

3/8"

5/8"

6

1"x3/16"

5/8"

1/2"

3/8"

5/8"

7.5

1"x3/16"

3/4"

1/2"

3/8"

3/4"

6

1"x3/16"

3/4"

5/8"

3/8"

3/4"

7.5

1.1/2"x1/8"

3/4"

5/8"

3/8"

3/4"

6

1.1/2"x1/8"

3/4"

5/8"

3/8"

3/4"

7.5

1.1/2"x3/16"

3/4"

5/8"

3/8"

7/8"

6

1.1/2"x1/8"

3/4"

3/4"

1/2"

7/8"

7.5

1.1/2"x3/16"

3/4"

3/4"

1/2"

7/8"

6

1.1/2"x3/16"

3/4"

3/4"

1/2"

7/8"

7.5

1.1/2"x3/16"

3/4"

3/4"

1/2"

1"

6

1.1/2"x3/16"

7/8"

7/8"

5/8"

7/8"

7.5

1.1/2"x1/4"

7/8"

7/8"

5/8"

1"

6

1.1/2"x3/16"

1"

1"

5/8"

1"

7.5

2"x3/16"

1"

1"

5/8"

2 c/u 3/4"

6

1.1/2"x3/16"

1"

1"

5/8"

1"

7.5

2"x3/16"

1"

1"

5/8"

2 c/u 3/4"

6

2"x3/16"

1"

1"

3/4"

1"

7.5

2"x3/16"

1"

1"

3/4"

2 c/u 7/8"

6

2"x3/16"

1"

1"

3/4"

2 c/u 3/4"

7.5

2"x1/4"

1"

1"

3/4"

2 c/u 7/8"

6

2"x3/16"

1"

1"

3/4"

2 c/u 3/4"

Kg/m2

d

m

b

m

f

m

Longitud de arco

9.05

0.33

0.20

3.63

23.37

9.75 10.48

0.38

0.23

4.17

26.85

10.49

0.45

0.27

5.00

32.22

10.49 10.63

0.53

0.32

5.83

37.59

12.63

0.60

0.36

6.67

42.96

12.63 12.98

0.68

0.41

7.50

48.33

14.83 15.01

0.75

0.45

8.33

53.70

17.03 17.28

0.83

0.50

9.17

59.07

17.03 17.28

0.90

0.54

10.00

64.44

17.41 17.65

0.98

0.59

10.83

69.81

17.34 17.65

1.05

0.63

11.67

75.19

17.34 17.65

1.13

0.68

12.50

80.56

Kg/m 9.71 9.71 11.44 14.81 17.77 18.89 19.64 24.99 24.99 26.63 27.50 37.84 38.71 51.45 51.91 54.34 54.80 57.23 59.20 60.59 62.09 63.48

long brida

long long long enlace diagonales templador

93.49

66.81

18.70

21.76

107.41

88.18

24.62

25

128.89

126.98

35.34

30

150.37

172.84

48.00

35

171.85

225.75

62.59

40

193.33

285.71

79.11

45

214.81

352.73

97.57

50

236.30

426.81

117.96

55

257.78

507.94

140.28

60

279.26

596.12

164.54

65

300.74

691.36

190.73

70

322.22

793.65

218.85

75

75

7.5

2"x1/4"

1"

1"

3/4"

2 c/u 7/8"

17.34 17.65

1.13

0.68

12.50

80.56

74.98

322.22

793.65

218.85

75

Secciones

47 54 64 75 86 97 107 118 129 140 150 161

161

techo plano espaciamiento m Area tributaria cargas asumidas Velocidad del viento carga muerta

luz m 6

m2 8

48

50 l

covertura peso propio

7.35

carga viva Carga viento

30 12.5

44.1 12 56.1

kg/m kg/m kg/m

180 75

kg/m kg/m

d

h L

Convinacion de cargas

254.82

Momento maximo Vmax Compresion Datos del perfil L 1.1/2"x 1/8" según tabla Fcr Pn Comparar

Diagonal L 1"x1"x178"

2038.56 1019.28 2831.33 Area 2.34 2.12 4.9608

rx

Area 1.52

rx

Fcr= Pn=

1.78 2.7056

k 1.17

Brida inferior Area requrida

diseño 2.7056

1.24

Seleccionar por tabla area mayor

kl/r 28.49

1

kl/r 101.16

requerido 2831.33 ry 0.79

k 0.79

Según tabla

Comparar

0.5

Ton/cm2 Ton >

849.40 1018.19

ry 1.17

diseño 4.9608

Vu= Fd=

Kg-m kg kg

Ton/cm2 Ton >

cm2

requerido 1018.19

Diagonal d

datos de la viga peralte m paso cm h l

79.91

0.4

d

L

Angulo 67

32

METR

Tabla de esfuerzos de diseño para miembros a compresion Acero Fy=2530 kg/cm2 factor de seguridad Kl/r

t/cm2

Kl/r

0.85 t/cm2

Kl/r

t/cm2

Kl/r

t/cm2

Kl/r

1.- Viga V1 ASTM A36

t/cm2

1

2.16

41

1.97

81

1.53

121

1.00

161

0.58

2

2.16

42

1.96

82

1.51

122

0.98

162

0.57

ITEM

3

2.15

43

1.96

83

1.50

123

0.97

163

0.57

01

4

2.15

44

1.95

84

1.49

124

0.96

164

0.56

02

5

2.15

45

1.94

85

1.47

125

0.95

165

0.55

6

2.15

46

1.93

86

1.46

126

0.93

166

0.55

7

2.15

47

1.92

87

1.45

127

0.92

167

0.54

8

2.15

48

1.91

88

1.43

128

0.91

168

0.53

9

2.15

49

1.90

89

1.42

129

0.90

169

0.53

ITEM

10

2.14

50

1.89

90

1.41

130

0.89

170

0.52

01

11

2.14

51

1.88

91

1.39

131

0.87

171

0.51

02

12

2.14

52

1.87

92

1.38

132

0.86

172

0.51

13

2.14

53

1.86

93

1.37

133

0.85

173

0.50

14

2.13

54

1.85

94

1.35

134

0.84

174

0.50

15

2.13

55

1.84

95

1.34

135

0.82

175

0.49

16

2.13

56

1.83

96

1.33

136

0.81

176

0.49

ITEM

17

2.12

57

1.82

97

1.31

137

0.80

177

0.48

01

18

2.12

58

1.81

98

1.30

138

0.79

178

0.47

19

2.12

59

1.79

99

1.29

139

0.78

179

0.47

20

2.11

60

1.78

100

1.27

140

0.77

180

0.46

21

2.11

61

1.77

101

1.26

141

0.76

181

0.46

22

2.1

62

1.76

102

1.25

142

0.75

182

0.45

ITEM

23

2.1

63

1.75

103

1.23

143

0.74

183

0.45

01

24

2.09

64

1.74

104

1.22

144

0.72

184

0.44

25

2.09

65

1.73

105

1.21

145

0.71

185

0.44

26

2.08

66

1.71

106

1.19

146

0.71

186

0.43

27

2.07

67

1.70

107

1.18

147

0.70

187

0.43

28

2.07

68

1.69

108

1.17

148

0.69

188

0.43

ITEM

29

2.06

69

1.68

109

1.15

149

0.68

189

0.42

01

30

2.06

70

1.67

110

1.14

150

0.67

190

0.42

02

31

2.05

71

1.65

111

1.13

151

0.66

191

0.41

03

32

2.04

72

1.64

112

1.11

152

0.65

192

0.41

33

2.04

73

1.63

113

1.10

153

0.64

193

0.40

34

2.03

74

1.62

114

1.09

154

0.63

194

0.40

35

2.02

75

1.60

115

1.07

155

0.63

195

0.40

36

2.01

76

1.59

116

1.06

156

0.62

196

0.39

ITEM

37

2.01

77

1.58

117

1.05

157

0.61

197

0.39

01

38

2.00

78

1.57

118

1.04

158

0.60

198

0.38

39

1.99

79

1.55

119

1.02

159

0.59

199

0.38

40

1.98

80

1.54

120

1.01

160

0.59

200

0.38

2.- Viga V2 ASTM A36

3.- Viga V3 ASTM A36

4.- Contraviento

5.- Arcos

6.- Arriostre Cruz de San Andres

7.- Planchas de apoyos ITEM

01 02

8.- Pernos de anclaje ITEM 01 02

9.- Tensores ITEM 01 02

10.- Pendola ITEM 01

11.- Clavos ITEM 01

12.- Canaletas ITEM 01

02

13.- Apollos de uniones de viguet ITEM 01

14.- Cobertura

ITEM 01

luz Area

METRADO : TECHO DE ARCO

1.- Viga V1 ASTM A36 DESCRIPCION

CANT.

UND.

Area/m

kg/m

Area

PESO (kg)

L1"x1"x1/8

610

m

0.102

1.02

62.22

622.20

Barra lisa 3/8"

2070

m

0.03

0.56

62.10

1157.75

124.32

1779.95

2.- Viga V2 ASTM A36 DESCRIPCION

CANT.

UND.

Area/m

kg/m

Area

PESO (kg)

L1"x1"x1/8

1100

m

0.102

1.02

112.20

1122.00

Barra lisa 3/8"

1970

m

0.03

0.56

59.10

1101.82

171.30

2223.82

3.- Viga V3 ASTM A36 DESCRIPCION

CANT.

UND.

Area/m

kg/m

Area

PESO (kg)

Barra lisa 1/2"

691

m

0.040

0.99

27.50

686.85

27.50

686.85

4.- Contraviento DESCRIPCION

CANT.

UND.

Area/m

kg/m

Area

PESO (kg)

Barra lisa 5/8"

980

m

0.050

1.55

48.87

1521.94

48.87

1521.94

DESCRIPCION

CANT.

UND.

Area/m

kg/m

Area

PESO (kg)

Barra lisa 1"

1080

m

0.080

3.97

86.14

4287.60

Barra lisa 5/8"

2091

m

0.050

3.97

104.27

8300.79

Barra lisa 3/4"

240

m

0.060

2.24

14.35

536.40

204.76

13124.79

6.- Arriostre Cruz de San Andres DESCRIPCION

CANT.

UND.

Area/m

kg/m

Area

PESO (kg)

Barra lisa 3/8"

435

m

0.03

0.56

13.05

243.30

13.05

243.30

Area

PESO (kg)

7.- Planchas de apoyos DESCRIPCION

CANT.

UND.

Area/m

kg/m

Plancha 3/8" 9mm

18.47

m²

Plancha 5/8" 16mm

1.68

m²

36.94

1304.91

3.35

210.63

40.29

1515.54

8.- Pernos de anclaje DESCRIPCION

CANT.

UND.

Area/m

kg/m

Area

PESO (kg)

Barra lisa 3/8"

39.6

m

0.03

0.56

1.19

22.15

Barra lisa 3/4"

43.2

m

0.060

2.24

2.58

96.66

3.77

118.81

9.- Tensores DESCRIPCION

CANT.

UND.

Area/m

kg/m

Area

PESO (kg)

Barra lisa 1"

249.6

m

0.080

3.97

19.92

990.91

Barra lisa 3/4"

40.8

m

0.060

2.24

2.44

91.19

22.36

1082.10

10.- Pendola DESCRIPCION

CANT.

UND.

Area/m

kg/m

Area

PESO (kg)

Barra lisa 3/8"

188

m

0.03

0.56

5.64

105.15

5.64

105.15

DESCRIPCION

CANT.

UND.

Area/m

kg/m

Area

PESO (kg)

Barra lisa 3/8"

5.76

m

0.03

0.56

0.17

3.22

0.17

3.22

12.- Canaletas DESCRIPCION

CANT.

UND.

Area/m

kg/m

Area

PESO (kg)

Platina 1.1/2"x3/16"

36.1

m

0.038

1.35

1.37

48.55

Plancha galvanizada e=1/40"

41.05

m²

0.00

198.76

1.37

247.31

13.- Apollos de uniones de viguetas DESCRIPCION

CANT.

UND.

Area/m

kg/m

Area

PESO (kg)

Barra lisa 3/8"

84

m

0.03

0.56

2.52

46.98

2.52

46.98

14.- Cobertura

DESCRIPCION

CANT.

UND.

Calamina zincada e=0.40

680

pza

55 1705 0.75636364

Area/m

17.073

kg/und

Area

PESO (kg)

6.91

0.00

4701.52

0.00

4701.52

22017.23 29109.32

Item

Descripcion Peso kg/m 1

L 1"x1/8"

1.021

2

L1"x3/16"

1.626

3

L1.1/2"x1/8"

1.83

4

L1.1/2"x1/4"

3.482

5

L2"x3/16"

3.63

6

L2"x1/4"

4.747

7

Barra 3/8"

0.56

8

Barra 1/2"

0.994

9

Barra 5/8"

1.554

10

Barra 3/4"

2.237

11

Barra 7/8"

3.045

12

Barra 1"

3.977

barra Brida sup Diagonal sup Diagonal inf diagonales Enlaces

1080

kg/m 3.97

4287.6

3.97 3.97 1.552

2417.73 5478.6 505.6416 12689.5716

. 609 1380 325.8