際際滷

際際滷Share a Scribd company logo

Losa nervada

Download as DOCX, PDF
Jonathan Mendoza
Jonathan Mendoza

This document appears to be an engineering assignment analyzing the structural design of a concrete slab. It includes calculations of loads on the slab from ceramic tile, flooring, its own weight, and a frisbee. It then calculates reactions, moments, and checks ratios for stresses. Finally, it sizes the required steel reinforcement by calculating bending moments and comparing to the minimum steel area required.

1 of 7
Download to read offline
REPBLICA BOLIVARIANA DE VENEZUELA INSTITUTO UNIVERSITARIO POLITCNICO SANTIAGO MARIO CARRERA: ING. CIVIL (42) SEDE-BARCELONA Profesor: Bachilleres: Ing.Hector Aguana Guzman Marcial C.I: 20636739 Barcelona, Mayo de 2013
Vivienda Losa nervada 7.5 5 6 7 8 1/2 7.5 1 2 3 4 1/2 3.2 F卒c=350 3.2 3.2 3.2 2 r = 7cm Fy = 5000 2 Carga variable = 150 2 L1 = L/18 = 3.2/18 = 0.17cm L2 = L/21 = 3.2/21 = 0.15cm L3 = L/21 = 3.2/21 = 0.15cm L4 = L/21 = 3.2/21 = 0.15cm L5 = L/8 = 1.5/8 = 0.18cm *Peso propio . = 0.18 2600 = 468 2 1.5
2cm SOBRE PISO 5cm LOSA 16cm FRISO 3cm -Cer叩mica = 2x22 =44 -Sobre piso = 0.05x1900=95 -Peso Propio =0.18x2600=468 -Friso = 0.03x2000=60 667 kg/2 Peso variable P.V = 1.4 x 667+1.7 x150 = 1188.8 Carga permanente = 667 Carga variable = 1188.8 Q= 1188.8 2 2 2 2 瑞2 瑞2 瑞2 瑞2 10 11 11 2 2 2 2 2 11 16 16 16
1--* 3.2+3.2 = 3.2 = 2 3.2+3.2 2--* 2 3.2+3.2 3--* 2 = 3.2 = = 3.2 = 1188.8(1.5)2 4--* 2 1188.8(3.2)2 = 1217.33 10 1188.8(3.2)2 11 1188.8(3.2)2 11 = 1106.66 = 1106.66 = 1217.33 Positivos Mu1 Mu2 Mu3 Mu4 1188.8(3.2)2 11 = 1106.66 1188.8(3.2)2 16 = 760.83 1188.8(3.2)2 16 1188.8(3.2)2 16 = 760.83 = 760.83 Reacciones Isost叩ticas 1188.8 3.2 A B
Fy= 0 D+E =1188.8(3.2 +1.5) D+E =3804.16+1783.2 = 5587.36 Md=0 1188.8(3.2+1.5)+3.2=0 1188.8(3.5+1.2)= 4103.22 6.4 Hiperest叩ticas 1337.4 1337.4 =417.94 3.2 3.2 1106.66 1106.66 = 345.83 3.2 3.2
1337.4 =417.94 3.2 1337.4= 417.94 3.2 1106.66 =345.83 1106.66=345.83 3.2 3.2 72.11 72.11 1337.4x100=133740 1106.66x 100= 110666 1106.66x 100= 110666 Calcular m M= M= 告.. 2 133740 350100102 = 0.038 Area de Acero As= 0.9ヰ告ヰ署10 Momentos negativos
Mmax A = 1337.4 0.950000.97110 1106.66 Mmax B = 0.950000.97110 Mmax C = 1106.66 0.950000.97110 = 0.03 = 0.025 = 0.025 Calcular Acero M鱈nimo Asmin = Asmin = 14 ヰ 5000 14 100 10 5000 = 2.8 2

More Related Content

Losa nervada

  • 1. REPBLICA BOLIVARIANA DE VENEZUELA INSTITUTO UNIVERSITARIO POLITCNICO SANTIAGO MARIO CARRERA: ING. CIVIL (42) SEDE-BARCELONA Profesor: Bachilleres: Ing.Hector Aguana Guzman Marcial C.I: 20636739 Barcelona, Mayo de 2013
  • 2. Vivienda Losa nervada 7.5 5 6 7 8 1/2 7.5 1 2 3 4 1/2 3.2 F卒c=350 3.2 3.2 3.2 2 r = 7cm Fy = 5000 2 Carga variable = 150 2 L1 = L/18 = 3.2/18 = 0.17cm L2 = L/21 = 3.2/21 = 0.15cm L3 = L/21 = 3.2/21 = 0.15cm L4 = L/21 = 3.2/21 = 0.15cm L5 = L/8 = 1.5/8 = 0.18cm *Peso propio . = 0.18 2600 = 468 2 1.5
  • 3. 2cm SOBRE PISO 5cm LOSA 16cm FRISO 3cm -Cer叩mica = 2x22 =44 -Sobre piso = 0.05x1900=95 -Peso Propio =0.18x2600=468 -Friso = 0.03x2000=60 667 kg/2 Peso variable P.V = 1.4 x 667+1.7 x150 = 1188.8 Carga permanente = 667 Carga variable = 1188.8 Q= 1188.8 2 2 2 2 瑞2 瑞2 瑞2 瑞2 10 11 11 2 2 2 2 2 11 16 16 16
  • 4. 1--* 3.2+3.2 = 3.2 = 2 3.2+3.2 2--* 2 3.2+3.2 3--* 2 = 3.2 = = 3.2 = 1188.8(1.5)2 4--* 2 1188.8(3.2)2 = 1217.33 10 1188.8(3.2)2 11 1188.8(3.2)2 11 = 1106.66 = 1106.66 = 1217.33 Positivos Mu1 Mu2 Mu3 Mu4 1188.8(3.2)2 11 = 1106.66 1188.8(3.2)2 16 = 760.83 1188.8(3.2)2 16 1188.8(3.2)2 16 = 760.83 = 760.83 Reacciones Isost叩ticas 1188.8 3.2 A B
  • 5. Fy= 0 D+E =1188.8(3.2 +1.5) D+E =3804.16+1783.2 = 5587.36 Md=0 1188.8(3.2+1.5)+3.2=0 1188.8(3.5+1.2)= 4103.22 6.4 Hiperest叩ticas 1337.4 1337.4 =417.94 3.2 3.2 1106.66 1106.66 = 345.83 3.2 3.2
  • 6. 1337.4 =417.94 3.2 1337.4= 417.94 3.2 1106.66 =345.83 1106.66=345.83 3.2 3.2 72.11 72.11 1337.4x100=133740 1106.66x 100= 110666 1106.66x 100= 110666 Calcular m M= M= 告.. 2 133740 350100102 = 0.038 Area de Acero As= 0.9ヰ告ヰ署10 Momentos negativos
  • 7. Mmax A = 1337.4 0.950000.97110 1106.66 Mmax B = 0.950000.97110 Mmax C = 1106.66 0.950000.97110 = 0.03 = 0.025 = 0.025 Calcular Acero M鱈nimo Asmin = Asmin = 14 ヰ 5000 14 100 10 5000 = 2.8 2