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SUELO ARCILLOSOɣ= 1.8ɸ= 28c= 1.9
SUELO BASEɣ= 1.95
45ɸ= 34c= 3.4σ= 2
CONCRETOɣc= 2.4fc'= 210
ACEROfy'= 4200
ka 0.3610325489q 2.01ka' 0.1688383236
45.16 °ka 0.1702202794
P1: Generados por la carga (q)P2: Generados por el peso del suelo
P1= q*h*k H= 6.6 CALCULO DEL BRAZO DEL EMPUJE ACTIVOp2= (ɣ*h^2*k)/2
P1 2.6962892255 TnP2 6.6733158332 TnP 9.3696050587 D
2. CALCULO DE LOS PESOS
1. CALCULO DE Ka EQUIVALENTE
PESOS W(Tn) Brazo(m)W1= 4.176 1.45W2= 3.6 1.2W3= 1.44 1.3W4= 19.8 2.15W5= 1.56 0.5W6= 1.44 1.35
32.016
Ea 9.3696 2.5165
FSV 2.44035285
3.CALCULO DE ESTABILIDAD AL DESLIZAMIENTO
C' µ*c 2.29333582182
µ 0.6745105358Fr 28.245803198Fd 3.0146204692 >2 ok
4. UBICACION DE LA RESULTANTE EN LA BASE
Tomando momentos respecto a la punto
Σmomentos Mv-Mo 33.9621507227x 1.06078681668 (de la punta)e 0.38921318332L/6 0.48333333333 >0.389 (Esta dentro del 1/3 central)
5.CALCULO DE LA PRESION ACTUANTE
0.19473134485 < 2kg/cm21.80526865515 < 2kg/cm2
6. CALCULO DEL REFUERZO DE ACERO
PANTALLAMomento maximo 16.0992 tn-m/m 16099.2 kg-m/mh 2
k 0.36R 14.9688 j 0.88j 0.88
d(cm) 32.7950770012 < 95 cm
As 11.4627477785 11 cm^2
Vmax 4.59977142857 kg/cm2
Area(cm^2) 𝜙 Area(varilla) N°varillaspulgadas cm^2
11 1.98 6
11 2.85 4
11 1.27 9
PUNTA1.6103 0.1947 X 1.9
1.05502414 1.2497241379 Kg/cm^2
q1 1.805 kg/cm2q2 1.2497 kg/cm2
Mmaximo 7.1745 T-m/mV max 15.478 T/m
v V 2.97653846 k/cm2
𝑑=√(𝑀/𝑅𝑏)𝐴𝑠=𝑀/(𝑓𝑐∗𝑗∗𝑑) j=1−𝐾/3 𝑅=(𝑓𝑐∗𝑘∗𝑗)/2 𝐾=1/(1+𝑓𝑠/(𝑛∗𝑓𝑐))
𝑀𝑚𝑎𝑥𝑖𝑚𝑜=1.5∗((𝑞1𝐿^2)/2+(𝑞2 ^2)/𝐿 6)
5/83/41/2
k 0.36R 14.9688 j 0.88j 0.88
d 21.8928512906 < 52
As 9.33246441059 cm2 9
Area(cm^2) 𝜙 Area(varilla) N°varillaspulgadas cm^2
9.00 1.98 5
9.00 2.85 3
9.00 1.27 7
TALONq1' 1.02 kg/cm^2 10.2 T/m2q2' 0.1947 kg/cm^2 1.947 T/m2
Mmaximo 9.56475 T-m/mVmaximo 10.68975 T/mV 2.05572115385 k/cm2
k 0.36R 14.9688 j 0.88j 0.88
d(cm) 25.2780354553 < 52 cm
As 12.4416599026 cm2 12
Area(cm^2) 𝜙 Area(varilla) N°varillaspulgadas cm^2
12.00 1.98 6
12.00 2.85 4
𝑀𝑚𝑎𝑥𝑖𝑚𝑜=1.5∗((𝑞1𝐿^2)/2+(𝑞2 ^2)/𝐿 6)
5/83/45/83/41/2
5/83/45/83/4
12.00 2.85 4
12.00 1.27 9
7. CORTE ADMISIBLE (mínimo)
V 6.528 kg/cm^2
Punta 2.976538461538 < 6.52836522 kg/cm^2comparando Talon 2.055721153846 < 6.52836522 kg/cm^2
Pantalla 4.599771428571 < 6.52836522 kg/cm^2
V=ɸ*0.53*√(𝑓^′ 𝑐)
1/2
T/m^3 1800 q= 2.4 tn/m° 0.48869333T/m^3 ka 0.3610325489
T/m^3 1950 Kp 5.8284574018° 0.7854° 0.59341333T/m^3kg/cm^2
T/m^3 2400kg/cm^2
kg/cm^2
CALCULO DEL BRAZO DEL EMPUJE ACTIVO
Ep 11.1381821
2.51654676258993
Momento(Tn-m)6.0552
4.321.87242.570.78
1.94457.5412
23.5790 23579.0493
18.0512.497
𝐾=1/(1+𝑓𝑠/(𝑛∗𝑓𝑐))
𝑀𝑚𝑎𝑥𝑖𝑚𝑜=1.5∗((𝑞1𝐿^2)/2+(𝑞2 ^2)/𝐿 6)
q1 3 T/m2q2 11.253 T/m2
cumplecumplecumpe
0.793750.9525
0.635