Ejemplo de el Calculo losa nervada

Área

9 x 26.60= 239.40 m2 

Espesor

0.15 m

Volumen

239.40 m2 x 0.15 = 36m3

Volumen Hormigón

36m2 x 70% = 25.2m3

25.2 X $150 = 3780

0.35 x 0.15

(0.325 x 2) + (0.125 x 2) + (0.10 x 2) = 1.10 corte

26.60 x 2 =53.2 ml x 7 est/m = 372 Unidades

372 / 10 Est = 37.2 = 38 Varillas

38 O 8mm x 12 ml[pic 2]

0.40 x 0.15

(0.375 x 2) + (0.125 x 2) +(0.10 x 2)= 1.00 corte

372 / 10 Var c/u = 37.2 = 38

38 O 8mm x 12 ml[pic 4][pic 5]

0.30 x 0.15

(0.275 x 2) + (0.125 x 2) + (0.10 x 2) = 1.20 corte

7 x 8.01= 56.07 ml

56 x 6 c/u = 336 unidades

336 / 12= 28

28 O 8mm x 12 ml

25.2 x 5.5 c/m3 = 139 sacos x $7.80 = $1085

0.40 x 0.40 x 0.25 x 2u x 139 sacos = 11.12 m3

11.12 x $ 15 c/m3 = $167

0.40 x 0.40 x 0.20 x 4u x 139 sacos = 18 m3

17.8 x $ 18 c/m3= $321

$3 c/sacos x 139 sacos = $417

1085 + 167 + 321 + 417 = $1990

239.40 m2 x 0.25= 59.85 c/q

59.85 x $48= $2873

239.40 m2 x 8.5 c/m2= 2035

2035 x $0.34 = $692

239.40 m2 x $4.50= $1078

1078 + 180 extra = $1267

239.40 m2 x 1.5 = 360 tablas

360 x $3.80= $1368

239.40 m2 x 0.80 = 192 cuartones

192 x $2.80 = $538

239.40 m2 x 1.2 = 288 cañas

288 x $1.80 = $290

1 caja de clavos 2 ½  $56

Transporte    $50

Material Eléctrico

$100

$260

Mano de Obra

$160

Material Sanitario

$70

$190

Mano de Obra

$120

1 Maestro

$160/5 = $32 + $2.50 = $34.50

5 Oficiales

$90/5 = $18 + $2.50 = $102.50

34.50 + 102.50= $137 x 2 semanas= $1370