MEMORIA DE CÁLCULO DETERMINACION DE REACCIONES EN MEZANINE

MEMORIA DE CÁLCULO

DETERMINACION DE REACCIONES EN MEZANINE

MATERIALES A CONSIDERAR

• METAL DECK CALIBRE 22 = 7,57 K g /M2

• CANTIDAD DE CONCRETO = 0,072 M3/ M2

• CONCRETO= 0,072 x 2.300 = 165,6 Kg / M2

• TUBERIA = 100 x 100 mm = 8,96Kg/m

• CARRIOLA 4 X 2 = 1,992 Lb / pie = 0,454/Lb x 1 Pie/ 0,305 M= 2,965 Kg/m

1 ------------------1,50------------------- 2 -------------------1,50------------------- 3

.75

1.25

PORTICO 2 (CALCULANDO EL MAS CRITICO)

R1 R2 R3 R4 R5

M

RA------- 0,50------------I------------- 0.50-----------I---0.25—RB---0.25---I-------------0.50-------I

∑M=0

∑Fy=0

∑Fx=0

Losa= 7.57 kg /m2+ 165.6 kg/m2 = 173.17 kg/m2

R1= 173.17 kg/m2 *1.5 m*0.25m= 64.94 kg

R2= 173.17 kg/m2* 1.5m*0.50m= 129.88 kg

R3= 173.17kg/m2* 1.5 m* 0.50m = 129.88 kg

R4= 173.17kg/m2* 1.5 m*0.50m = 129.88 kg

R5= 173.17 kg/m2 *1.5 m*0.25m= 64.94 kg

Losa

64.94 129.88 129.88 129.88 64.94

M

RA------- 0, 50------------I------------- 0.50-----------I---0.25—RB---0.25---I-------------0.50-------I

Estructura

4.45 4.45 4.45 19.71 4.45 4.45

M

RA------- 0, 50------------I------------- 0.50-----------I---0.25—RB---0.25---I-------------0.50-------I

R carriola= 2.965kg/m * 1.50 m = 4.45 kg

R viga= 8.96 kg/m *2m =17.92 kg

R columna= 8.96kg/m *2.20m= 19.71

R total

Rt1= 64.94 kg + 4.45 kg= 69.39 kg

Rt2= 129.88kg +4.45kg +22.7kg=157.03 kg

Rt3= 129.88 kg +4.45kg +17.92kg+22.7kg =174.95 kg

Rt4= 129.88kg+ 4.45 kg= 134.33 kg

Rt5= 64.94 kg+4.45 kg =69.39 kg

69.39 157.03 174.95 134.33 69.39

M

RA------- 0, 50------------I------------- 0.50-----------I---0.25—RB---0.25---I-------------0.50-------I

Aire acondicionado= 100 lb *0.454 kg/ 1lb = 45.4 kg

45.4 kg/2 = 22.7 kg

+

MA= 0

157.03*0.50+174.95*1+19.71*1.25-Rb*1.25+134.33*1.50+69.39*2.00=0

RB= 157.03*0.50+174.95*1+134.33*1.50+69.39*2/1.25

RB= 474.99 kg

+

MB=0

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