Memorandum de planificacion

CÁLCULO DE ESTABILIDAD DE LA PRESA DE HORMIGÓN
CARGAS PRIMARIAS
* Peso propio
G1=ℽHORM.*C*H
G1=2.4Tnm3*18.6m*78.02m*1m=3482.81 Tn

G2=12ℽHORM.*L²
G2= 12* 2.4Tnm3*51.59²*1m= 3193.83 Tn

* Carga hidráulica
P1= 12ℽw*HT2 ; P1=12*1Tnm3*70.192 ; P1=2463.32Tn
P2= 12ℽw*H22 ; P2= 12*1Tnm3*22 ; P1=2 Tn
* Carga por supresión
Pv=12ℽw*H1+H2C+L*0.2
Pv= 12*1Tnm3*70.19m+2m18.60+51.59*0.2
Pv= 506.7 Tn
CARGAS SECUNDARIAS
* Carga por Sedimento
Ps= 12*K*ℽS'*Hs2K=1-sinƟφ1+sinφƟ ; K=1-sin231+sin23 ; K=0.438

Ps= 12*0.438*0.9Tnm3*8.692 ; Ps= 14.88 Tn

* Carga por oleajePo= 2ℽw*Ho2 ;Po= 21Tnm3*(0.14m)2 ; Po= 0.04 Tn

FACTORES DE deslizamiento

* FD=uFVFH ≥ 1.2
ΣFV=G1 + G2 –PV ; ΣFV=3482.81 Tn+ 3193.83Tn– 506.70 Tn ; ΣFV=6169.94Tn
ΣFH=Ps+P1-P2 ; ΣFH= 14.88 Tn + 2463.32 Tn -2 Tn ;ΣFH=2476.2 Tn

FD=0.56169.94Tn2476.2Tn = FD=1.25 OK

FACTORES DE VOLCAMIENTO

* FV=MeMd ≥ 1.5

ΣMe=G1*L1+G2*L2+(P2*l)ΣMe= 3482.81Tn 60.89 m+3193.83Tn 34.64m+2Tn(1.33m)
ΣMe= 322703.91 Tn-m

ΣMd=P1*l1+P2*l2+Pv*lv+Po*HT+(P HIE.*HT)ΣMd=2463.32Tn23.4m+2Tn2.89m+28.08Tn35.095m+0.04Tn70.19m+14.5Tn(70.19 m)
ΣMd=82079.3 Tn-m

FV=MeMd=322703.91 Tn-m82079.30Tn-m=FV=3.93 OK