The cover illustration is reproduced from Fig. 18 of the Bulletin : Tailings storage using the Thickened Central Discharge Method (from Robinsky, 1979) AVERTISSEMENT – EXONERATION DE RESPONSABILITE : seL ,snoitamrofni sesylana te snoisulcnoc selleuqxua tec egarvuo eiovner tnos suos al elues étilibasnopsered .)s(ét i)cs(fitceps e)rs(ruet u)as(ruel seL ,snoitamro fsneisylana te snoisulcn osceunetnoc snad tec egarvuo tno'n sap ecrof ed ioL te en tneviodsap e rsteêérédi senmomcoc nu tutitsb uss n soxeiultala etsineceéimsfeoflpogméir rap al .ioL sellE tnotsnemeuqinu seénitsed à nu cilbup ed slennoisseforP ,sitrevA slues setpa à ne reicérppa te à ne renimretéd al ruelav teal .eétrop érglaM tuot el nios étroppa à al noitcadér ed tec ,egarvuo etpmoc unet ed noitulové'l sed seuqinhcet te edal .étivitsuahxe'l ritnarag ne snovuop en suon ,ecneics suoN snonilc étdnemésserpxe etuot étilibasnopser tnauq à noitatérpretni'l te noitacil pspeal'lleutnevé y(sirpmoc .egarv uto e ecudnetn o uc)dsé i ultonatlus é nrseleutne vséegamm osdel .noitidn oectt eecsserp xneoç aezfdetpec csau o,vegarv ut oeeecdrutc eatllnaviusru onpE NOTICE – DISCLAIMER : snoisulcno cdn asesylan a,noitamrofn iehT o tderrefer el oes het rnaiereh eyfhtotilibisnopser )s(rohtua .foereht ehT ,noitamr osfensiylana dna snoisulcnoc ni siht tnemucod evah on lagel ecrof dna tsum ton eb deredisnocsa gnitutitsbus rof elbaecrofne-yllagel laiciffo .snoitaluger yehT era dednetni rof eht esu fo decneirepxe slanoisseforp er aohw enola odteppiuqe egduj d neacnenitr erpieht .ytilibacilppa sihT tnemucod sah neeb detfard htiw eht tsetaerg erac ,tub ni weiv fo eht ecap fo egnahc ni ecneicsdna ,ygolonhcet ew tonnac eetnaraug that ti esfhtotce p lsslaraevoc scipot .dessucsid eW enilced lla ytilibisnopser reveostahw rof woh eht noitamrofni niereh si deterpretni dna desu dna lliw tpecca no ryotfilibail yna egama dr ossol gnisira .morfereht to noD dnaoer sselnu uoy tpecca siht remialcsid tuohtiw .noitavreser SMAD SGNILIAT SECNERRUCCO SUOREGNAD FO KSIR Lessons learnt from practical experiences sir a8P00 5,7nnamssu a dH,b1 5s–1egarr asBdna rsG eedlanoitanret nnIoissimmoC .léT xa F –2 56 15 73 5)1-33 ( : 1 07 26 04)41-3 3:( E-mail : [email protected] eti S– gro.bgic-dloci. w w:w 1 E EST G TSDNNIMLIO MAOSL DMDCNIENOIOATACOTSGAAWL (1995-2001) Chairman modgn idKetinU NAMN E.PM.D.A Vice-Chairman ac ihrtfuAoS NOSMAILLIW .G.R.J Members ailartsuA SPILL I.HJP Brazil ALI V EAADTNEM I.PJ airagluB VEIJDABA .B.C adanaC ) 1N(HO L.KJ.E H. ) 2D(OELcM Chile AREUG O.NG anihC nUuIjLehZ ecnarF SA P.UMD.J ynamreG SN U.AJRB ylatI FANELLIG. narI IRAKSA .R.M dnaloP WOLSKIW. ainamoR )3( AEZORG .M ) 4A(C UuLineguE aissuR NIREP L.AMG.A nedewS SUINER U.EJ U SA )K 5C.(IGV.S )N6A(HCA R.TLS.C EETTIMMOC- BHUSSITIRB Chairman NAMN E.PM.D.A Members K O.ODRB E L.AAC.S NITRAM .L.P HTU O.RD __________________ 89 9l1it nruebm e)M1( 99 9l1it nruebm e)M3( 69 9l1it nruebm e)M5( 89 9e1cn irsebm e)M2( 99 9e1cn irsebm e)M4( 69 9e1cn irsebm e)M6( 2 STNETNOC FO ELBAT YRAMMUS ................................ ................................ ................................ .............. 6 ................................ ................................ ................................ ................................ x ÉMUSÉR ................................ ................................ ................................ ................. 7 DROWEROF ................................ ................................ ................................ ........... 01 ECAFERP ................................ ................................ ................................ ............... 11 NOITCUDOR T.N1I ................................ ................................ ................................ . 31 sevitcejbO 1.1 ................................ ................................ ................................ ...... 31 dnuorg k2c .a1B ................................ ................................ ................................ ... 31 SMAD SGNILIAT EFAS ROF SETISIUQER-ERP .2 ................................ ................ 51 STNEDICN IMA DSGNILIA TDN AMA DF OWEIVREV O.3 ................................ ..... 91 RUOIVAHE BYTLUA FRO FSNOSAE RNOMMO C.4 ................................ .............. 32 TNEMEGAN AKMS I.R5 ................................ ................................ .......................... 62 tnemsses sk as1 i.R5 ................................ ................................ ............................ 62 tnemeganam ksiR 2.5 ................................ ................................ .......................... 72 na lypcnegnitn o kc3s .i5R ................................ ................................ .................... 82 YDUTS SIHT MORF TNRAEL SNOSSEL .6 ................................ ............................ 03 denrae lsnosse leh tf otnemssess alarene G1.6 ................................ ................... 03 stnedicn if oselpmax ehti wsnoitaredisno ccificep S2.6 ................................ ......... 23 noitagitsev nd innaoitcel ee1st .i2S.6 ................................ ............................. 23 m ardet r2a .t2S.6 ................................ ................................ .......................... 53 snoitadnuof yrotcafsitasnU 3.2.6 ................................ ................................ .... 63 epol smaertsnwo deh tf oytilibat sf okc a 4L.2.6 ................................ .............. 83 sda odlesopmire p5 u.S2.6 ................................ ................................ ............. 44 stnac ehdt iswmelb o6 r.P2.6 ................................ ................................ .......... 44 sedils wolF 7.2.6 ................................ ................................ ........................... 64 sekauqht r8 a.E2.6 ................................ ................................ ......................... 74 ecnalab retaw ytluaf dna ecI 9.2.6 ................................ ................................ . 84 ma day bdeniate rto nstnemdnuop m 0I1.2.6 ................................ ................. 05 TNEMEGANAM YTEFAS 3.6 ................................ ................................ .............. 25 SNOITADNEMMOC EDR NSANOISULC N. O7C ................................ .................... 35 3 DENRA ESLNOS S. E8L WEI VPEN U A –YCILO PRO FSNOITACILPM I : ............. 55 SECNER E.F 9ER ................................ ................................ ................................ ... 06 SER U.G 0I1F ................................ ................................ ................................ ......... 76 SDROCE RESA CTNEDICN I–SMA DSGNILIA T–XIDNEPPA .............................. 38 1 –noitcudortnI ................................ ................................ ................................ ................ 48 snoitaiverbbA – 2 ................................ ................................ ................................ ............. 48 detcelloc erew sesac tnedicni hcihw rof smad sgniliat fo tsiL – 3 ................................ .... 48 sesac 122 fo snoitpircsed feirB – 4 ................................ ................................ .................. 89 4 SERUGIF FO TSIL .giF1 .nosirapmo ctnedicn ima degarot sretaW .giF2 .doire prae y5re pstnedicn if orebmu n:yrammu syrotsi htnedicn ima dsgniliaT .giF3 .nosirapmo cthgie hdn atnedicn ima dsgniliaT .gi F4 .nosirapmo cthgie hdn aerulia fma dsgniliaT .giF5 .tnemdnuop msignili adtes o nleaock yadrtxE .giF6 .nosirapmoc epyt mad sgniliaT .giF7 .sutat sma dhti wnosirapmo cesua ctnedicn ima dsgniliaT .giF8 .sma devitc aro fepy ttnedicn ihti wnosirapmo cesua ctnedicn ima dsgniliaT .giF9 asdgniliaT .epyt mad htiw nosirapmoc esuac tnedicni m .0g1iF srotcaF gnicneulfni eht noitisop fo eht citaerhp ecafrus ni smad tliub ybeht maertspu .dohtem swohS tceffe fo kcal fo eganiard dna sreyal fo wol .)29 9, 1 ltlael erFetf A.(secafr urset adwehcr egpnicudo ryptilibaemrep .1g1iF .enolcyc-ordyH .2g1iF .pmu dgnitsix en ay bdemro fma dretrat sf onoitceS .3g1iF nfooitceS rallóclanzA .m asdgnili at .4g1iF .stogip shti wnoitcurtsno cf odohte mmaertspU 51 .giF tsawo lsfgniliaT Ty .569 1dn a169 1n i,sela Whtuo S,yreillo crwaM .6g1iF teap itpnac eed h fteoruliaF .avatS .7g1iF niarts-ssertS evruc rof sserts dellortnoc detadilosnoc deniardnu tset no .dn aesso odletarutas .8g1iF .doht eeMgrahcs ilDartn edCenekci he Thgtni seugaro tssgniliaT f(Reprinted mor .)97 9,1iksniboR 5 YRAMMUS sgniliaT smad era tliub ot niater stnemdnuopmi fo ,sgniliat dna nehw,elbissop eva hyeh T.noitcurtsno crieh tn ides us isevlesmeh tsgnilia teh tmor fdetcartx elairetam ste nry, s eunstnmnmt arloaikadhmiimd nen toum nafaoivboribtwrceamettesaeewrr ni ynam sesac era tliub sa retaw gniniater ,smad ylralucitrap erehw ereht si a tneme rrioufqe re hetgarot sfo reta wrevo ,eshgtnil iraot eh tdsegrnoi tlesivaath oteb .noitull olpair etaneve r oprtet a fwgonirev o yacdbetcetorp eli hseWdh otdhetse umrof n e onhtigtnti e c ssmfudemkorndantadasnbnamocec eb deilppa ot sgniliat ,smad ereht era rojam secnereffid neewteb eht owt.sepyt tnemknabm Esmad er asuo isgeirtustecruprt sdesu ot ylbatifo reprots ,retawsaerehw sgniliat smad era deriuqer rof eht egarots fo detnawnu ,etsaw ylbarised tamuminim .tsoc tnemknabmE smad era yllausu tliub ot lluf thgieh gnirud eno doirep fo ,noitcurtsnoc gnivah neeb dengised dna rieht noitcurtsnoc desivrepus ybtnetepmoc sreenigne dellortnoc( yb wal ni ynam .)seirtnuoc nredoM sgniliat smad eranetfo dengised yb tnetepmoc gnitlusnoc ,sreenigne tub esuaceb yeht era tliub ylwolsni segats revo ynam ,sraey dna snoitidnoc yam osla egnahc htiw ,emit noisivrepusfo .ytluaf emoceb yam noitcurtsnoc rieht ne eebv ashm asdgnili aetf a fseoruso ldc nnaoitcurtsn o,cngis eed hrt osfenilediuG nevig yb yna m,snoita cginlibduuplcni DLOCI snitelluB .soN 54 ,)2891( 47 ,)9891(79 ,)4991( 89 ,)5991( 101 ,)5991( 301 ,)6991( 401 ,)6991( 601 ,)6991( DLOCNA.)9991( fI snoi t eanhdetnveimgmoc enri esseenhitle deiruegw ot eb y l,edseowlocll oefhtksir fo a eruliaf ro suoregna decnerrucco htiw a sgniliat mad dna tnemdnuopmi dluoweb yyll et.tadaeenrcu gutedrheotrf nrUebmun fo r os jtsanemeudniictnnio cta naegareva .rae yre pow tnee bsa heta reh tsrae y6tsa leh tgniru D.rae yaen onah tero mfo htiW eht noitnetni fo gniyrt ot enimreted eht sesuac fo eseht ,stnedicni 122esac sdrocer evah neeb .detcelloc yehT era nevig htob ni feirb liated dna dessucsidni lar e.nsemgret ehT nia msesuac fo e sdeehttr ospeesrac fo erulia fdsntanediecrneiw dnuof ot eb kcal fo lortnoc fo eht retaw ,ecnalab kcal fo lortnoc fo noitcurtsnoc dnaa laren ekgcal gni dfnoat sfroednu e hsterut ateaf hltort n. osecnfoa isetraerheTpoerew eno ro owt sesac fo elbatciderpnu stneve dna rehto sesac desuac ybdetcepxenu c i,tsan mog,iinsltiecidk duahnlugocqucnhoithrtalea ti nac eb deugra taht htiws’yadot .stneve eseht rof edam neeb evah dluohs ecnawolla ,egdelwonk retaW gniniater smad ni tsom seirtnuoc era dellortnoc yb ,noitalsigel dna niemos seirtnuoc eht noitalsigel gniylppa ot tnemknabme smad gniniater retaw erayllauqe deilppa ot sgniliat .smad erehT sraeppa ot eb a tnemeriuqer rof a eromevisnetxe noit anco iifltopapl asoitg eel u gnyenethivitseviria-tr ncfoa ongni r,eosttgssnaiwlinait redro ot ecuder eshetcnerruc cfoo sgniliat mad serul iyar.f ordtuncoaaifvsaihteabsnu etad-ot-pU noitamrofni nac eb deniatbo morf a ygolonorhC“ forojam sgniliatmad ”seruliaf delipmoc yb ESIW muinarU tcejorP taht nac eb dnuof no eht etisbew lmth.fadm/muinaru/esabatad-esiw/ln.annetna.www//:ptth 6 ÉMUSÉR seL segarrab ed seliréts tnos stiurtsnoc ruop el egakcots ed seliréts ,te snadal erusem ud ,elbissop sed xuai rséttiaamrtxe sed sel isreémtêsm-xu etnos sésilituruop al .noitcurtsnoc seC segarvuo tno puocuaeb stcepsa’ds elbarapmoc à ceux des segarrab ne ialbmer seuqissalc tnaérc sed seuneter ,uae’d te snad neib sed sacsli tnos stiurtsnoc ed al emêm ,noçaf tnemerèilucitrap li’uqsrol tse égixe ed rineteruae’l suss essdee-lduiar é uteosuqs rssoeellli rséitms tnnee ntto iôiesptnsécuedectéonrp .enneir éeai orv anpoitull oep nruetivé ’ndi fuaae ’edpp aen nruap neiB euq sel sedohtém ed noitpecnoc te ed noitcurtsnoc sed segarrab neialbmer seuqissalc tnessiup reuqilppa’s xua segarrab ed ,seliréts sec xued sepytegarvuo’d tnetnesérp setnatropmi’d .secneréffid seL segarrab ne ialbmer tnos sedsegarvuo t nxuauak eecsi’ongltais dt ,s neesurrrip oa tlteuaiub lqs iestg euasl reerldtainbroésts seria srsueocpén al esim ne tôpéd sed stejer te ec ua erdn i.otmûoc s esLegarrabne ialbmer tnos tnemelleutibah stiurtsnoc ne enu elues ,epaté ruel noitpecnoc teruel noitcurtsnoc tnaté seésivrepus rap sed srueinégni stnetépmoc ceva( noitacilppaed snoitpircserp selagél snad puocuaeb ed .)syap seL segarrab ed selirétssenredom tnos tnevuos suçnoc rap sed xuaerub seduté’d stnetépmoc ,siam ud tiaf edruel noitcurtsnoc etnel rap sepaté tnadneté’s rus ed sesuerbmon ,seénna te ud tnemegnahc elbissop ed snoitidnoc snad el ,spmet el elôrtnoc ed ruelnoitcurtsnoc .xueutcef érdinev etduep seD snoitadnammocer sevitaler à al ,noitpecnoc à al noitcurtsnoc te à alerutemref s essg enasd oreeirldt a iatsbsrcneré ioéut sltesénbnitauesédpsuélrpp ; no tuepretic tnemmaton sel snitelluB ed al BGIC °n 54 ,)2891( 47 ,)9891( 79 ,)4991( 89,)5991( 101 , )59 91( 301 ,)6991( 401 ,)6991( 601 ,)6991( te DLOCNA .)9991( iS sel snoitadnammocer seénnod snad sec stnemucod tneiaté seivius ed ,sèrp selseuqsir ed erutpur uo tnedicni’d evarg tnanrecnoc sel segarrab te stôpéd ed selirétstneiares puocuaeb .stiudér ,tnemesueruehlaM el erbmon stnedicni’d sruejam e unitnoc à ressapéd ne enneyom nu xuat ed nu rap .na uA sruoc sed xis serèinred ,seénnaec . nra axpu e edéd txaéuat nE euv ed renimretéd sel sesuac ed sec ,stnedicni 122 sac ed serutpurte stnedicni’d tno été .séirotrepér slI tnos stircéd tnemevèirb te sésylana nesemret séirotre psétrned i scteneriut pssueerds usaeclapicn iset .reuinxplqu Oudaaérdénég tnoété : nu euqnam ed esirtîam ud nalib ,euqiluardyh nu siavuam elôrtnoc edal noitcurtsnoc te nu tuaféd larénég ed noisnehérpmoc sed sepicnirp tnod dnepédal étirucé s.ssendoitar énpOo a ésnecer nu uo xued se ls btsinasecimveéntréepvméi’d sertua’d sacs ud à sed snoitidnoc seuqitamilc sellennoitpecxet e à sed ,semsiés érglam al ednarg noitnettae étrop à ed slet stnemenévé ecârg xuasecnassiannoc .selleutca snaD al trapulp sed ,syap sel segarrab tnakcots ed uae’l tnoss imuos à une ,noitalsigél te snad sniatrec syap al noitalsigél evitaler xua segarrab neialbmer euqilppa’s tnemelagé xua segarrab ed .seliréts nE euv ed eriudér sel seuqsired eriassec étnîarap p la,iseliré t essdegarr asb etdnemetropm osciavu a em udeorutpur 7 no ift oceeuvhdi tet drcte eadefhu eftlste cat snhisgommn c maiDeoDlLhCiOTaCTI tsoc fo ksir dna eruliaf nac ylno eb deveihca yb a tnemtimmoc morf srenwO oteht etauqeda dna decro fnnoeitacilppa fo elbal iganviaree nyiggonleonhcet ot eht,ngised noitcur tdsnnao cerusolc fo sgnili astmad s tdnneamd nrueovpomi eht erit ndeoirepfo .efil gnitarepo rieht 8