Lub Tsev Haujlwm Fabricated Geomembrane (FGI) ntawm University of Illinois ntawm Urbana-Champaign nthuav tawm ob Fabricated Geomembrane Engineering Innovation Awards thaum nws lub rooj sib tham ob xyoos hauv Houston, Texas, thaum Lub Ob Hlis 12, 2019, ntawm 2019 Geosynthetics Conference.Qhov khoom plig thib ob, 2019 Engineering Innovation Award for Outstanding Fabricated Geomembrane Project, tau nthuav tawm rau Hull & Associates Inc. rau Montour Ash Landfill-Contact Water Basin project.

Coal combustion Residuals (CCRs) yog cov khoom siv los ntawm kev sib txuas ntawm cov thee ntawm cov chaw tsim hluav taws xob uas muaj los ntawm cov tuam txhab hluav taws xob thiab cov tsim hluav taws xob.CCRs feem ntau yog khaws cia rau hauv qhov chaw impoundments li ntub slurry los yog rau hauv qhov chaw pov tseg li CCRs qhuav.Ib hom CCR, ya tshauv, tuaj yeem siv tau rau kev siv hauv pob zeb.Qee qhov xwm txheej, cov tshauv ya ya tuaj yeem muab rho tawm los ntawm qhov chaw qhuav qhuav rau kev siv tau zoo.Hauv kev npaj rau kev sau cov hmoov tshauv ya los ntawm qhov chaw pov tseg uas twb muaj lawm ntawm Montour Power Plant, ib lub pas dej sib txuas tau tsim hauv xyoo 2018 hauv qab ntawm qhov chaw pov tseg.Lub pas dej sib txuas tau tsim los tswj cov dej sib cuag uas yuav tsim tawm thaum cov dej sib cuag tau raug ya raws thaum lub sijhawm sau qoob loo.Daim ntawv tso cai thawj zaug rau lub phiab suav nrog cov txheej txheem geosynthetic liner muaj xws li, los ntawm hauv qab mus rau sab saum toj: ib qho kev kawm subgrade nrog underdrain system, geosynthetic av nplaum liner (GCL), 60-mil textured high density polyethylene (HDPE) geomembrane, non-woven cushion geotextile, thiab txheej pob zeb tiv thaiv.

Hull & Associates Inc. ntawm Toledo, Ohio, npaj lub phiab tsim los tswj cov dej ntws uas xav tau los ntawm 25-xyoo / 24-teev cua daj cua dub tshwm sim, thaum tseem muab ib ntus cia ntawm cov khoom sediment-laden nyob rau hauv lub phiab.Ua ntej kev tsim kho cov kab ke sib xyaw, Owens Corning thiab CQA Solutions tau mus txog Hull los tawm tswv yim txog kev siv RhinoMat Reinforced Composite Geomembrane (RCG) ua ib qho kev tiv thaiv ya raws ntawm underdrain thiab GCL los pab cov txheej txheem tsim kho vim yog cov nag lossis daus loj heev. tshwm sim hauv cheeb tsam.Txhawm rau kom ntseeg tau tias RhinoMat thiab GCL interface yuav tsis ua rau muaj kev sib txhuam ntawm kev sib txhuam thiab txoj kab nqes kev ruaj ntseg thiab yuav ua tau raws li qhov yuav tsum tau muaj, Hull tau pib qhov chaw kuaj shear ntawm cov khoom ua ntej kev tsim kho.Kev ntsuam xyuas tau qhia tias cov ntaub ntawv yuav ruaj khov nrog 4H: 1V sidelopes ntawm lub phiab.Kev sib cuag dej phwj tsim yog kwv yees li 1.9 acres hauv cheeb tsam, nrog 4H: 1V sidelopes thiab qhov tob ntawm kwv yees li 11 feet.Factory fabrication ntawm RhinoMat geomembrane ua rau plaub lub vaj huam sib luag tau tsim, peb ntawm cov uas muaj qhov loj me, thiab cov duab plaub sib npaug (160 ko taw 170 ko taw).Plaub lub vaj huam sib luag tau tsim rau hauv 120 ko taw 155 ko taw duab plaub.Cov vaj huam sib luag tau tsim los rau kev pom zoo thiab kev xa tawm kev taw qhia kom yooj yim ntawm kev teeb tsa raws li kev teeb tsa hauv lub phiab thiab kom txo qis kev sib dhos thiab kev sim.

Kev teeb tsa ntawm RhinoMat geomembrane tau pib thaum kwv yees li 8:00 teev sawv ntxov ntawm Lub Xya Hli 21, 2018. Tag nrho plaub lub vaj huam sib luag tau muab tso rau hauv qhov chaw thauj tog rau nkoj ua ntej tav su ntawm hnub ntawd, siv cov neeg coob ntawm 11 tus neeg.Ib qho 0.5-nti los nag pib thaum kwv yees li 12:00 teev tsaus ntuj hnub ntawd thiab tiv thaiv tsis muaj kev sib txuas rau hnub ntawd.

Txawm li cas los xij, cov khoom siv RhinoMat tau tiv thaiv kev tsim kho subgrade, thiab tiv thaiv kev puas tsuaj rau yav dhau los underdrain system.Lub Xya hli ntuj 22, 2018, lub phiab tau tag nrho los ntawm cov dej nag.Cov dej yuav tsum tau muab tso rau ntawm lub phiab kom ntseeg tau tias cov npoo vaj huam sib luag tau qhuav txaus kom ua tiav peb qhov kev sib txuas ntawm cov seams.Thaum cov seams tau ua tiav, lawv tau sim tsis muaj kev puas tsuaj, thiab khau boots tau nruab ib ncig ntawm ob lub kav dej nkag.RhinoMat kev teeb tsa tau suav tias ua tiav thaum tav su ntawm Lub Xya Hli 22, 2018, tsuas yog ob peb teev ua ntej muaj keeb kwm los nag.

Lub lim tiam ntawm Lub Xya Hli 23, 2018, tau coj ntau dua 11 ntiv tes los nag los rau Washingtonville, Pa., cheeb tsam, ua rau muaj kev nyab xeeb keeb kwm thiab kev puas tsuaj rau txoj kev, txuas hniav thiab cov qauv tswj dej nyab.Kev txhim kho sai ntawm cov ntaub ntawv RhinoMat geomembrane thaum Lub Xya Hli 21 thiab 22 tau muab kev tiv thaiv rau kev tsim kho subgrade thiab underdrain hauv lub phiab, uas yuav muaj kev puas tsuaj rau qhov xav tau kev tsim kho dua tshiab, thiab ntau dua $ 100,000 hauv rework.Lub RhinoMat tiv thaiv cov dej nag thiab ua haujlwm ua kom muaj kev ua haujlwm siab noo noo nyob rau hauv qhov sib xyaw liner seem ntawm lub phiab tsim.Qhov no yog ib qho piv txwv ntawm cov txiaj ntsig ntawm kev ua tau zoo thiab kev xa tawm sai ntawm fabricated geomembranes thiab yuav ua li cas fabricated geomembranes tuaj yeem pab daws teeb meem kev tsim kho, thaum tseem ua tau raws li lub hom phiaj tsim thiab kev tso cai.

Tau qhov twg los: https://geosyntheticsmagazine.com/2019/04/12/fgi-presents-engineering-innovation-for-outstanding-project-award-to-hull-associates/