Lll.a. Bawanur_che Stab.exploatare.normala Final Print
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Transcript of Lll.a. Bawanur_che Stab.exploatare.normala Final Print
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Calcule de rezistenta si stabilitate - CHE - Bawanuripoteza A. EXPLOATARE NORMALA la NNR (301.00 m.a.s.l.)
Bloc centrala cu ansamblu pile-radier (sistem cuva):
ORIGIN 1 ic 1 11..:= id 1 19..:= kN 103 N daN 10N unitati de masura:
- Sr br Lr 4607 m2=:=
-
1.00 3.00 7.00 11.00 15.00 19.00 23.00 27.00 31.00 35.00 39.00 43.00 47.00 51.00 55.00 59.00 63.00 67.00 71.00 75.00271.00
273.00
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295.00
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301.00
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Radier (trasare)Centru de greutate radierC.G. din impingerea verticala a apei pe blocul centraleiGalerie drenaj (trasare)Pila (trasare)C.G. pilabloc 1 turbina (trasare)C.G. bloc 1 turbinabloc 2 turbina (trasare)C.G. bloc 2 turbinaCulee (trasare)C.G. trasareTimpan (trasare)C.G. timpanumplutura bloc 1 (trasare)C.G. umplutura bloc 1
Bloc CHE (sectiune transversala)
Distante [m]
Cot
e [m
dM]
Cav
Cam
ytr
Cmyrad
Cmyw
ytrg
ytrp
Cmyp
ytrbk1
Cmybk1
ytrbk2
Cmybk2
ytrc
Cmyc
ytrtmp
Cmytmp
ytru
Cmyu
StCmxrad
xtr Cmxrad, Cmxw, xtrg, xtrp, Cmxp, xtrbk1, Cmxbk1, xtrbk2, Cmxbk2, xtrc, Cmxc, xtrtmp, Cmxtmp, xtru, Cmxu,
Presiunea hidrostatica amonte (Phs.am) si aval (Phs.av)
H1 13.00m:= H2 3.00m:= H1 H2+ 16 m=
hav 1.0m:= Ham 23 m=
(impingerea totala a apei de la TF)Phs.am.tot
1
2w Ham( )2 Lr( ) 180654 kN=:=
Baraj Bawanur - Centrala hidroelectrica CHE Anexa IIIa 3/6
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Phs.av.1
2w Hav
2 Lr( ) 53359 kN=:=br.pila Npila bpila 2 bculee+ 31.9 m=:=
- Presiunea pe vana glisanta
Phs.am.pile.o1
2w H1 H2+( )2 br.pila( ) 40832 kN=:=
Phs.am.timpan.o1
2w H1( )2 Ncamp lcamp( ) 30758 kN=:=
po.am.st wH1 H2+( )
2 H1 H2+( ) Ncamp lcamp( ) 46592 kN=:=
Phs.am.rad.o Phs.am.tot Phs.am.pile.o Phs.am.timpan.o po.am.st 62471.5 kN=:=
Phs.am Phs.am.rad.o Phs.am.timpan.o+ Phs.am.pile.o+ po.am.st+ 180653.5 kN=:=
-
Kal.GCHE Gw+ Gw.av+ Gu.+ Ss Sd( ) fo
Phs.am Ppam+ W kN+( ) Phs.av.:= Kal. 5.00= (>2.0 - se verifica) US. Army Corps of Engineers -ETL 1110-2-256Calculul capacitatii portante:
Mc.z Grad Cmxradbr
2
Gp. Cmxp
br
2
+ Gbk1. Cmxbk1
br
2
+ Gbk2. Cmxbk2
br
2
+ Gc. Cmxc
br
2
+ Gtmp. Cmxtmp
br
2
+
Gw Cmxwbr
2
Gw.av Cmxw.av
br
2
+ Gu. Cmxu
br
2
++
...
Sdbr
2
br
3
Ss
br
2CmxSs
+ W kN
2 Cam CF( )5
+ Phs.amCam CF
3
+ Ppam
CT CF3
+ Phs.av.
Cav CTav3
+
...
:=
Mc.x Pw.z hz. 1229956 kN m=:= Mc.z 1061041 kN m=
Nc.n Grad Gp.+ Gtmp.+ Gc.+ Gbk1.+ Gbk2.+ Gw+ Gw.av+ Gu+ Ss Sd 1359269 kN=:=
Pentru ansamblul cuva (radierul este pe 2 directii), in calcule se considera ca excentricitatea este pe 2 directii (amonte-aval; in lungulbarajului stavilar) in sensul fortelor si momentelor dezvoltate care solicita talpa radierului paralel cu cele 2 directii (Lr=53.0; br=65m) :
enMc.x
Nc.n
2 Mc.z
Nc.n
2
+ 1.2 m=:= exMc.x
Nc.n0.9 m=:= ez
Mc.z
Nc.n0.78 m=:=Lr 68.3 m= br 67.45 m=
< pconv 350.0kN
m2=presiunea medie: pmed
Nc.n
Sr295.05
kN
m2=:=
(se admite)presiunea maxima: pmax pmed 16ex
Lr+
6ez
br+
339.0 kNm2
=:= < 1.0 pconv 350.0kN
m2=
presiunea minima: pmin pmed 16ex
Lr
6ez
br
251.1 kNm2
=:= >0 (nu apar eforturi deintindere)
Excentricitatea en 1.2 m= nu se ajunge la intindere (-) Rt 0.95
N
mm2= (se verifica)
VERIFICAREA LA PLUTIRE
(>1.50 se verifica)Kp
Grad Gp.+ Gtmp.+ Gc.+ Gbk1.+ Gbk2.+ Gu+ Gw+ Gw.av+Ss Sd+
3.38=:=
Intocmit:ing.A.Mititelu Verificat:ing.N. Enica
Baraj Bawanur - Centrala hidroelectrica CHE Anexa IIIa 6/6