Energoprojekt. Hydropower and Navy System Đerdap (Iron Gate 1)

20 Pages·5.424 MB·English

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DJERDAPH YDROPOWEARN D NAVIGAIIONS YSTEM
The Djerdapp lant is locatedo n the DanubeR iver, upstreamf rom Kladovop lace'
The system is constructedf or the purposeo f productiono f electric energya nd for regulationo f na-
vigati6n in the Djerdaps ection of the DanubeR iver at the lengtho f more than 100km.
The layouto f the plant is symmetricalc, onsistingo f the following works:.t wo navigationl ocks, two
hydroeiectricp ower plants includingc entral spillway dam, the total length of the dam in the river
channelb eing 1, 278m .
General Data: - averagea nnual productiona t
the operationr egime of
Pool water level at the dam: 68.00/63.00 10.sb illionk Wh
- at the operation regime of
- maximums hort duration 69.50
69.s0/63.00 11 .5b illionk Wh
- long duration 68.00
- minimum 63.00 General characteristicso f the dam:
- numbero f bays 14
General characteristics of navigation locks:
- length of openingo f the bay 25.0m
- numbero f navigationl ocks two - thicknesso f the pier 7.0m
- type of locks doublel ift - spillway crest elevation 55.20m
- length of lock chamber 310m - maximump ier elevation 75.60m
- width of chamber 34m - maximumh eight above
- minimumd epth at the sill 4.50t o 5.00m foundation 60.60m
- minimumc learance 10.0to 13.0m
- annualt urnovero f goods 53m illiont ons Quantities of works:
- excavationi n alluvium 13,410,00c0u .m
General characteristics of power plants: - excavationi n rock 7, 240,000cu .m
number of plants two - filling material 3,810,00c0u .m
- concrete 3,160,00c0u .m
numbero f units 2 x 6
- reinforcings teel 167,00t0
instalfedd ischargeo f turbine 725cu.m/sec
- hydromechanicaml, echanical
installedd ischargeo f power
and electricale quipment 68,600t
plants 8,700c u.m/sec
installedc apacityo f power Gonstruction time schedule:
plants 2,100M W - Commencemento f the works
installedc apacityo f each unit 178M W 7th September,1 964
maximumh ead 34.50m - Preliminaryw orks 1965a nd 1966
minimumh ead 21.90m - Main civil engineeringw orks 1966t o 1970
mean head 27.17m - lntensive erection works 1969- 1971
Besidest he main works which are directlv concernedw ith the exploitationo f hydroelectricp ower
plants and navigationl ocks, the section oi 220k m long storager eservoiro f the Dierdaph ydropower
i:lant compriseithe following structuresi ntendedf or protectiono f the riparian zones, either com-
pletedo r underc onstruction:
- Protectiono f 80,000hao f agriculturall and:,1 20km of reconstructeda nd improveda nd 30km of
newly constructedf lood proiection embankmentst,w o dykes were constructedo n the branch of
the banube River near the olace of Veliko Gradiste,a s well as the drainages ystem for regula-
tion of groundwaterso n the area covering7 0,000hai ncludingp ump stations,h ouses,c ommunica'
tion lines,t ransmissiolnin es and transformesr tations
- The works requiredf or protectiono f settlements,i ndustry and mines (Kostolac,G olubac,V eliko
Gradi$te,S meierevo,K ovin, PandevoB, eograd,N ovi Beograd,U mka) comprisingc. onstructiono f
quays,f lood control embankmentsd, eep drainage system (rows of drilled wells, drains, pump
stations);
- Protectiono f communals tructuresi n the o' laceso f KostolacV, eliko Gradi5teS, mederevoP, aneevo,
and Novi Beograd:c onstructiono f new or recon structiono f the existing pump stationsa nd build-
ings, main sewers their outflows etc.;
- Protectiono f the existingh ydropowers tructures: parallel structure and the dyke.o n the Danube
river branch near the place of lvanovow as reconstructeda nd improved,t he bank rivetmentw as
performeda t the secti6n of the DanubeR iver from the p' lace of Ram to Dubravicaa, t the l'ength
bf about 20k m;
- Protectiono f storage reservoir: managemenat nd afforestationo f torrential catchmenta reas in
order to prevents ilting up of the reservoir,c onstructiono f storagesf or silt retentioni n the Mo-
rava river basin which is the main transportero f silt into the reservoir;
- Relocationo f imperilleds ettlementss ituated along the Djerdaps ection of the DanubeB iver;
- Constructiona nd reconstructiono f railway tracks,r oads,p orts,e tc.
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HYDROELECTRIPCO WEBP OTENTIALO F THE DANUBE RIVER IFROM BELGBADET O cuTH) rN
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FOUNDATIONO F THE PIERS OF THE CENTRALN AVIGATION LOCK HEAD
AND UPSTREAMC HAMBER OF THE LOCK REINFORCEDB LOCKS OF THE WALL OF THE UPSTREAML OCK CHAMBER
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DOWNSTREAM CHAMBEB OF THE NAVIGATION LOCK UNDER CONSTRUCTION
UPSTREAMC HAMBER AND NAVIGATION LOCK CONTROL
GATE AT THE DOWNSTREAMN AVIGATION LOCK HEAD TOWER
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NVAICVTION 103) rN dVSSVCI O lON C3ONAO TAHUOnCH
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CLOSUREO F THE DANUBE BIVER- CONSTRUCTIONO F PHASE II UPST.
REAM COFFERDAM
IN ADDITION TO NATURAL MATERIALS,R OCK BLOCKS AND GABIONS, THE CLOSUREO F THE BIVER WAS MADEFBOM THE RIGHT BANK APPLY.
IHE CLOSUREO F THE BIVEB WAS MADE USING SPECIAL CONCRETE ING PIONEERM ETHOD,A ND FROM THELEFT BANK APPLYINGF RONTAL
ELEMENTSA ND CONCRETEC UBES UP TO 25 TONS IN WEIGHT METHODO F FILLING FBOIVTI HE BRIDGE