Calculo de Laje

UNIVERSIDADE DO VALE DO ITAJAÍ

ARQUITETURA E URBANISMO

SISTEMAS ESTRUTURAIS – CONCRETO I

PROF. DANIEL KROBEL

ACADÊMICAS:         RAQUEL VENEZIAN

CÁLCULO DAS LAJES

L12 (3,60 x 3,00)

L18 (1,30 x 3,50)

L19 (4,50 x 3,50)

L11 (3,60 x 3,30)

L14 (2,05 x 1,50)

H laje = 10 cm
CA = 200 Kg/m² (NBR 6120)

L12      VIGA 15 X 32 cm[pic 1]

[pic 2][pic 3][pic 4][pic 5][pic 6]

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[pic 9][pic 10][pic 11][pic 12]

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CASO 1 / Lx = 3,60m / Ly = 3m                        

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[pic 18]

Mx’ = 8 (TABELA)                

[pic 19]

[pic 20]

Mx = 13.244 Kg.cm

My’ = 8 (TABELA)

[pic 21]

[pic 22]

My = 9.240 Kg.cm

[pic 23]

[pic 24]

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[pic 26]

L18      VIGA 30 X 15 cm[pic 27][pic 28]

[pic 29][pic 30][pic 31][pic 32]

[pic 33][pic 34]

                        [pic 35][pic 36][pic 37][pic 38]

[pic 39]

a1 = a2 =  0,3 . h = 0,3 . 0,1 = 0,03

[pic 40]

[pic 41]

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X) [pic 44]

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 7 BARRAS DE 6,mm A CADA 14 CM[pic 49]

Y)[pic 50]

[pic 51]

[pic 52]

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 7 BARRAS DE 6,mm A CADA 14 CM[pic 55]

[pic 56]

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[pic 66][pic 67]

L19     VIGA 30 X 15 cm

[pic 68][pic 69][pic 70]

[pic 71][pic 72]

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[pic 74][pic 75][pic 76][pic 77][pic 78]

[pic 79]

CASO 1 / Lx = 4,50m / Ly = 3,50m        
[pic 80]

[pic 81]

[pic 82]

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Mx’ = 8 (TABELA)        

[pic 85]

[pic 86]

Mx = 22.972 Kg.cm

My’ = 8 (TABELA)

[pic 87]

[pic 88]

My = 14.170 Kg.cm[pic 89]

[pic 90]

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 7 BARRAS DE 6,3MM A CADA 14cm[pic 92]

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X) [pic 96]

[pic 97]

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