Kev tsim kho av av
Kev tsim kho av av
Kev npaj
Raws li qhov tseeb ntawm qhov chaw ua ke nrog peb lub xyoo ntawm kev tsim kho ntawm cov haujlwm zoo sib xws, vim yog cov kev tsim kho uas twb muaj lawm ntawm qhov chaw, kev tsim kho loj tsis tuaj yeem ua tsis tau. Nyob rau hauv kev saib ntawm cov yam ntxwv ntawm qhov project no, peb tau ua tib zoo kawm qhov tseeb ntawm qhov chaw rau ntau zaus, thiab ua ke nrog cov duab kos duab. Thov kev tsim kho ntawm qhov project no.
Kev tsim kho ntawm qhov project no suav nrog ob ntu: civil engineering thiab anti-seepage engineering. Kev tsim kho vaj tse feem ntau suav nrog kev tsim kho ntawm qhov chaw theem qhov system thiab qhov kev ua haujlwm hauv qhov chaw pov tseg; Qhov project anti-seepage feem ntau suav nrog cov pov tseg pov tseg los tiv thaiv cov dej ntws tawm, cov dej ntws tawm kev tsim kho thiab kev teeb tsa ntawm qhov system, cov dej hauv av, thiab cov roj av pov tseg thiab cov dej ntws tawm. Txij li thaum civil engineering thiab anti-seepage belongs rau ob txoj haujlwm sib txawv, peb yuav xav kom txhua pab pawg tsim kho kom pom lawv lub zog, faib cov neeg ua haujlwm thiab kev koom tes, thiab kev sib koom ua ke sab hauv, uas tuaj yeem zam kev tsis zoo ntawm kev sib koom tes ntawm pej xeem engineering thiab pab pawg ua haujlwm tiv thaiv. kev tsim kho cov haujlwm zoo sib xws yav dhau los. Qhov no ua rau ncua sijhawm ntawm kev tsim kho thiab cuam tshuam rau qhov zoo ntawm qhov project.
2. Kev tsim kho txhua hnub ntim thiab lub sijhawm ua haujlwm ntawm txoj haujlwm los tiv thaiv kev sib tsoo
2.1 Kev npaj ntim khoom siv
Raws li kev sib tw yuav tsum tau ua ntawm qhov project no, ua ke nrog cov cuab yeej tsim kho thiab kev siv zog peb tau nqis peev hauv qhov project no. Kev tsim kho txhua hnub ntawm kev tsim kho vaj tse yog teeb tsa ntawm 5000m3, thiab kev tsim kho txhua hnub ntawm kev ua haujlwm tawm tsam tau teeb tsa ntawm 3000m2. Tus lej no yog tus lej nruab nrab ntawm cov hnub ua haujlwm tiag tiag thaum lub sijhawm tsim kho. Muaj cov txheej txheem khiav-hauv theem pib ntawm kev tsim kho, thiab kev tsim kho yuav qeeb qeeb. Tom qab lub sij hawm khiav-nyob rau hauv, kev tsim kho ceev yuav maj nrawm. Kev tiv thaiv kev tawm tsam ntawm txoj haujlwm no yog qhov nyuaj, nrog ntau cov txheej txheem, kev tsim vaj tsev loj, thiab ntau qhov kev sib koom ua ke. Thaum lub sij hawm kev tsim kho tiag tiag, nws yuav tsum tau kho kom haum raws li qhov kev tsim kho tiag tiag. Kev hloov kho ntawm lub sijhawm tsim kho yuav tsum ua raws li kev npaj kho ntawm lub zog ua haujlwm thiab cov cuab yeej siv tshuab, kom paub txog kev sib raug zoo ntawm cov txheej txheem pem hauv ntej thiab nram qab thiab kev ua haujlwm zoo. (Yog tias tus tswv muaj lwm yam kev xav tau rau lub sijhawm tsim kho, kho nws raws li qhov tseeb).
Kev tsim kho txhua hnub kom tau raws li qhov yuav tsum tau ua ntawm tag nrho cov haujlwm ntev)
2.2Teem sijhawm ntawm kev tsim kho
Raws li kuv txoj kev tsim kho yav dhau los, lub sijhawm tsim kho yuav tau teem sijhawm los ntawm 6:00 thaum sawv ntxov txog 19:00 yav tsaus ntuj, thiab yuav teem sijhawm ua haujlwm ob teev thiab so thaum tav su. .
kev tsim kho lub sijhawm
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6:00—11:30 |
Lub sijhawm tsim kho |
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11:30—13:00 |
Noj su |
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13:00—17:00 |
Lub sijhawm tsim kho |
Yog tias tus tswv muaj lwm lub sijhawm ua haujlwm, nws yuav koom tes nrog, kho lub sijhawm ua haujlwm, thiab ua raws li lub sijhawm ua haujlwm tag nrho ntawm qhov chaw pov tseg.
3. Cov txheej txheem kev tsim kho tseem ceeb ntawm txhua qhov haujlwm sub-khoom
A Kev tsim los nag
Cov dej hauv av ntawm qhov project no kuj yog siab heev. Raws li qhov xwm txheej ntawm qhov chaw, cov txheej txheem nag lossis daus yog xaiv nrog nag lossis daus ntawm qhov dej loj raws li kev pabcuam thiab nag lossis daus ntawm lub teeb qhov dej raws li qhov ntxiv.
Kev tsim kho cov dej yuav tsum tau ua: Thaum lub sij hawm tsim kho, nws yuav tsum tau xyuas kom meej tias cov nag lossis daus yog nyob rau hauv pem hauv ntej thiab lub trenching yog qab, thiab cov qhuav trenching yog ib txwm khaws cia. Ua haujlwm zoo hauv kev tso dej thiab tso dej ntawm cov dej saum npoo av thiab cov dej nag los tiv thaiv cov dej saum npoo los ntawm kev ntws mus rau hauv cov trench. Txhawm rau kom cov dej ntws tsis tu ncua thiab ruaj khov thoob plaws lub sijhawm tsim kho.
Lub Teeb Qhov Chaw Dewatering
Raws li cov yam ntxwv ntawm cov av txheej thiab qhov tob ntawm kev txo qis hauv av theem, nws raug xaiv kom tiav.
A.1Teeb pom kev zoo taw qhia kev tsim kho
(1) Cov kav dej zoo taw tes tuaj yeem npaj ua ib kab, ob kab lossis kev sib koom ua ke. Ua ntej lub qhov dej taw qhia kev tsim kho, ua qhov kev sim ntawm qhov chaw tso dej los txiav txim siab txoj kev dewatering thiab xa mus rau tus kws saib xyuas.
(2) Qhov kev khawb qhov tob ntawm lub hauv paus qhov tob yuav tsum tswj tau siab tshaj 0.5 meters ntawm cov dej nag lossis daus. Cov ntsiab lus tswj ntawm lub voj voog thiab ob-kab cov ntsiab lus zoo yog nyob rau hauv nruab nrab ntawm lub hauv paus pit lossis trench, thiab cov ntsiab lus ib leeg-kab zoo yog tswj hwm ntawm ntug hauv qab ntawm ob sab ntawm lub hauv paus qhov.
Yog hais tias cov dej suction lub ntsiab yeeb nkab ntawm qhov dej taw tes hla txoj kev hla kev hla, siv kev ntsuas los tiv thaiv kev sib tsoo, txhawm rau ua kom lub cev ua haujlwm zoo ntawm qhov dej taw tes thiab ua tau raws li cov kev xav tau ntawm cov tsheb khiav.
(4) Qhov chaw ntawm lub twj tso kua mis lub cev yuav tsum tau npaj, suav nrog qhov cuam tshuam ntawm qhov dej nag hauv qhov chaw nyob ib puag ncig thiab cov kav dej. Cov dej los ntawm lub qhov dej yuav tsum ua raws li cov kev cai, thiab nws yog nruj me ntsis txwv tsis pub ntws los yog nkag mus rau hauv cov av txheej. Teem lub qhov dej soj ntsuam nyob rau hauv qhov dej nag, tus naj npawb thiab qhov chaw uas muaj nyob rau hauv qhov chaw tsim kho qhov dej thiab xa mus rau tus kws saib xyuas kev pom zoo.
(5) Lub qhov dej ntawm qhov kev soj ntsuam yuav tsum tau muab tso rau hauv tib lub aquifer thiab nyob rau tib qhov tob raws li lub qhov dej taw tes, thiab yuav tsum tau soj ntsuam (xws li kev ntsuas twj tom qab dej) kom cov kev soj ntsuam tau txhim khu kev qha.
B Kev tsim kho lub ntiaj teb
B.1 Qhov chaw tu
Nws tau muab faib ua cov nroj tsuag clearing thiab topsoil clearing. Qhov no suav nrog qhov chaw ntawm txhua qhov chaw uas yuav tsum tau muab tshem tawm rau kev tsim kho av, xws li kev ua haujlwm ruaj khov thiab ib ntus, qhov chaw cia khoom, thiab qhov chaw tsim los siv los ua cov khoom khaws cia.
Ntxuav cov cag ntoo, cov nroj tsuag thiab lwm yam teeb meem uas tau teev tseg los ntawm tus kws saib xyuas haujlwm hauv thaj chaw excavation.
Cov nroj tsuag tshem tawm ntawm qhov chaw ntawm qhov chaw tsim kho ntawm qhov project nyob rau hauv lub reservoir cheeb tsam yuav tsum tau ncua mus rau qhov siab tshaj plaws excavation uas muaj nyob rau hauv lub tsim kos duab kos duab.A deb ntawm tsawg kawg yog 5m los ntawm sab nraum ntawm lub ntug kab los yog ntug kab ntawm lub tsev. foundation (los yog ko taw ntawm txoj kab nqes puv).
Rau cov nroj tsuag tshem tawm ntawm qhov project nyob rau hauv lub reservoir cheeb tsam, qhov ntau ntawm tsob ntoo cov hauv paus hniav uas yuav tsum tau excavated mus rau ib tug deb ntawm 3m los ntawm lub siab tshaj plaws excavation ntug kab, filling kab los yog sab nraum lub tsev foundation qhia nyob rau hauv daim duab tsim.
Txhua yam uas tsis muaj nqi hluav taws xob yuav tsum tau muab hlawv kom sai li sai tau, thiab yuav tsum muaj kev tiv thaiv hluav taws uas tsim nyog.
(5) Txhua qhov kev tshem tawm uas tsis tuaj yeem hlawv lossis cuam tshuam rau ib puag ncig yuav tsum muab faus rau hauv thaj chaw uas tus tswv tau xaiv.
B.2 Tnws ntsuas kab
Ua ntej pib kev tsim kho, tus tswv yuav tsum teeb tsa cov tuam tsev thiab cov tsev tsim kho kom tau txais cov pawg thiab cov kab, thiab muab kev ntsuas thiab tswj cov ntsiab lus. Tom qab cov pawg txuas nrog, chav tsev tsim kho yuav tsum rov ntsuas qhov chaw ruaj khov, tus lej thiab cov kev taw qhia ntawm cov pawg tseem ceeb, thiab yuav tsum ntxiv cov pawg tiv thaiv tsim nyog kom sai li sai tau, thiab ua cov ntaub ntawv xa mus, yog li ntawd thaum poob. thiab kev puas tsuaj, raws sijhawm thiab raug ntsuas ntxiv thiab rov qab los. Yog tias tsim nyog, teeb tsa cov pawg tiv thaiv thiab ua cov ntaub ntawv raws li cov ntaub ntawv qub rau kev ua tiav ntawm qhov project.
Raws li tus tswv tsev, qhov ntsuas qhov taw qhia ib ntus yuav tsum ntsuas txhua 100 meters, thiab qhov sib txawv kaw yuav tsum tsawg dua qhov kev tso cai yuam kev ua ntej nws tuaj yeem siv tau. Cov qauv ntsuas ib ntus, axis tswj cov kab, thiab cov pawg nce siab uas yuav tsum tau teeb tsa yuav tsum tau txuas ua ntej lawv tuaj yeem siv tau, thiab yuav tsum tau kuaj xyuas ntau zaus. Tag nrho cov cuab yeej ntsuas yuav tsum muaj cov cim ntsuas ntsuas tau raug txheeb xyuas raws sij hawm.
Raws li cov kev xav tau ntawm cov duab kos, ntsuas qhov siab tam sim no, txiav txim siab qhov chaw khawb thiab qhov chaw sau, kos ib daim phiaj, thiab ua cov ntaub ntawv zoo.
Kos cov kab ciam teb ntawm qhov chaw raws li txoj kab tswj hwm, thiab kev khawb tuaj yeem nqa tau tsuas yog tom qab kev tshuaj xyuas los ntawm tus kws saib xyuas kev tsim nyog.
B.3 Earthwork backfill
B.3.1 Sau
. Lub backfill siv cov av ntuj thiab cov khoom siv kho kom zoo nkauj. Thaum lub sij hawm kev tsim kho ntawm backfill ua hauj lwm, compaction yuav tsum tau ua raws li qhov tsim nyog yuav tsum tau ua ib tug ruaj khov backfill cheeb tsam, thiab cov ntaub ntawv yuav tsum tsis txhob muaj tej yam khoom uas tsis tau raws li qhov yuav tsum tau.
.Lub backfill yuav tsum tsis txhob muaj cov organic ntau dhau (tsawg dua 3 feem pua ntawm cov ntim), thiab yuav tsum tsis txhob muaj cov khib nyiab, clods, pob zeb lossis lwm yam khoom tsis zoo uas muaj txoj kab uas hla ntau dua 75 mm.
. Nyob rau hauv qhov chaw kho cov dej lim dej, cov muab tub lim nyob rau hauv 200mm hauv qab ntawm qhov chaw tsim kho yuav tsum tsis txhob muaj cov organic teeb meem, khib nyiab, clods thiab pob zeb lossis lwm yam khoom tsis zoo uas muaj txoj kab uas hla ntau dua 20mm.
(4). Ua ntej backfilling, geotechnical sim yuav tsum tau ua. Cov kev ntsuam xyuas teb muaj xws li cov ntsiab lus noo noo, ntub thiab qhuav ntom, thiab qhuav ntom.
B.3.2 Backfilling thiab dov
(1). Ua ntej backfilling lub hauv paus hauv paus, cov dej thiab cov khoom siv hauv lub trench yuav tsum tau ntxuav. Lub backfill av yuav tsum tsis txhob muaj cov khoom phem xws li pob zeb, khib nyiab silt, humus, cov av khov, thiab lwm yam. Rau cov backfilling ntawm trenches nrog cov ntsiab lus dej loj, Sib xyaw nrog cov khoom tsim nyog ntawm cov pob zeb.
Tshauv ua tiav.
. Backfilling yuav tsum tau nqa tawm nyob rau hauv cov khaubncaws sab nraud povtseg ntawm siab mus rau qis nyob rau hauv cov kev taw qhia ntawm lub hauv paus kua, thiab qhov kev txiav txim yog tob thiab ces ntiav. Compacted nrog ib txoj kev roller.
. Lub thickness ntawm txhua txheej ntawm cov av thiab tus naj npawb ntawm lub sij hawm compaction feem ntau yuav tsum tau txiav txim los ntawm on-site compaction xeem. Lub thickness ntawm txhua txheej ntawm cov av rau phau ntawv compaction yuav tsum tsis txhob ntau tshaj 200mm, thiab tus naj npawb ntawm compaction lub sij hawm yuav tsum yog 3-4; , tus naj npawb ntawm cov sij hawm compaction yog 6-8, thiab lwm yam kev tshuaj ntsuam xyuas cov tshuab dov yog siv. Thaum muab cov av ntim, cov dej noo ntawm cov av rov qab yuav tsum nyob rau hauv qhov zoo tshaj plaws noo noo cov ntsiab lus, thiab qhov sib txawv ntawm ob yuav tsum tau tswj nyob rau hauv thaj tsam ntawm 4 feem pua -2 feem pua. Txwv tsis pub, cov av rov qab yuav tsum tau kho kom zoo, thiab cov av yuav tsum tau loosened thiab qhuav los yog tov nrog pellets thiab txiv qaub.
. Kev tsim kho rov qab yuav tsum yog kab rov tav txheej thiab tag nrho cov khoom rov qab yuav tsum tau dov los yog compacted. Thaum nws yog ib qho tsim nyog los sau cov ntu, cov stubble ntawm cov seem uas nyob ib sab yuav tsum tau ua rau hauv txoj kab nqes, thiab tsis muaj qhov xau yuav tsum tau rammed. Kev siv cov cuab yeej compaction xws li ntoo compactors thiab Qav compactors yuav tsum tau txuas rau ib leeg. Thaum siv cov menyuam txoj kev, qhov sib tshooj dav ntawm dov yuav tsum tsis pub tsawg dua 20cm.
(5) Yuav tsum tsis muaj qhov tshwm sim "caij nplooj ntoos hlav" thaum lub sij hawm rov qab thiab dov, txwv tsis pub nws yuav tsum tau khawb kom qhuav lossis kho nrog txiv qaub.
C Txoj kev tsim kho ntawm HDPE geomembrane yog qhia nyob rau hauv daim duab schematic ntawm kev tso ntawm geomembrane.
C.1 Welding ntawm geomembranes
Vuam cov cuab yeej thiab cov txheej txheem: Muaj ob txoj hauv kev tseem ceeb rau kev tsim kho thiab vuam ntawm geomembrane: ob-khiav kub-melt vuam thiab ib-txoj kev extrusion vuam. Kev vuam ntawm cov geomembrane hauv qhov project no feem ntau yog ua los ntawm ob-khiav kub-melt vuam, thiab kev sib txuas ntawm lub impermeable membrane thiab qhov kev sib txuas xauv yog ib qho kev sib txuas.
Cov txheej txheem vuam ntawm ob lub tshuab welding yog muab faib ua plaub txheej txheem: kho cua sov, qhov ceev thiab qhov kub thiab txias, kev tshuaj xyuas ceg tawv, thiab pib vuam.
Cov npoo sib tshooj ntawm ob txheej uas nyob ib sab ntawm cov yeeb yaj kiab impermeable yog rhuab los ntawm hluav taws xob cua sov wedge thiab tom qab ntawd dhau los ntawm cov vuam siab rau cov menyuam. Nyob rau hauv lub siab ntawm cov kis tau tus mob siab rau cov menyuam, ob txheej ntawm impermeable films yog nruj nreem khi ua ke.
Cov txheej txheem vuam ntawm ob lub tshuab welding yog muab faib ua plaub txheej txheem: kho cua sov, qhov ceev thiab qhov kub thiab txias, kev tshuaj xyuas ceg tawv, thiab pib vuam. Kev sib txuas ntawm cov khoom siv hluav taws xob siv hluav taws xob (monorail welding tshuab) feem ntau ua raws li plaub txheej txheem: kev tshuaj xyuas ceg tawv, thermal bonding, roughening, thiab vuam.
C.2 Lub schematic daim duab ntawm ob-khiav thiab ib-khiav welds yog raws li nram no:
Kev sim vuam: Thaum pib qhov kev tsim kho vuam thaum sawv ntxov thiab yav tav su txhua hnub, cov ntawv xeem yuav tsum tau ua ua ntej, thiab qhov ntsuas tensile ntawm cov khoom xeem yuav tsum tau ua. Tsuas yog tom qab daim ntawv xeem tau tsim nyog, txoj kev vuam raug tso cai. Lub sijhawm thiab qhov kub thiab txias yuav tsum raug cim rau ntawm daim ntawv xeem. Kev ntsuas vuam yuav tsum tau ua tsawg kawg ob zaug, ib zaug ua ntej pib ua haujlwm, thiab ib zaug thaum lub sijhawm nruab nrab; nyob rau hauv cov kev tshwm sim ntawm lub hwj chim tsis ua hauj lwm tam sim ntawd ntawm lub tshuab los yog tej yam kev npaj txhij txog xws li welding tsis zoo teeb meem, nws yuav tsum tau rov pib dua lub tshuab kuaj welding. Thaum qhov kev xeem welding dhau lawm, nws yuav tsum tsis txhob hloov qhov kub thiab ceev ntawm lub tshuab raws li tib yam. Yog hais tias qhov kev xeem weld qauv ua tsis tau, qhov kev xeem weld yuav tsum tau rov ua dua kom txog thaum qhov kev xeem weld xeem dhau qhov kev xeem.
C.3 Cov kev ceev faj
Lub geomembrane yuav tsum tau muab tso rau ntawm qhov ntev ntawm txoj kab nqes, thiab yuav tsum tsis muaj kab rov tav pob qij txha ntawm txoj kab nqes;
Lub vuam yog sib npaug ntawm txoj kab nqes ntsug thiab yuav tsum tsis txhob cuam tshuam nrog txoj kab rov tav;
Qhov kev ncua deb ntawm txoj kab rov tav thiab cov ntiv taw ntawm txoj kab nqes thiab qhov chaw uas muaj qhov siab siab yuav tsum siab tshaj 1.5 meters;
Cov roj, noo noo, plua plav, av thiab khib nyiab ntawm daim nyias nyias yuav tsum tau ntxuav ua ntej vuam.
Qhov vuam yuav tsum tsis muaj khawb, stains, noo noo, plua plav thiab lwm yam khoom uas cuam tshuam kev vuam thiab cuam tshuam rau kev tsim kho tsis zoo;
Thaum lub vuam qhov yuav tsum tau polished, nws qhov dav yuav tsum yog tib yam li qhov dav ntawm vuam seam.
Lub polished nto yuav tsum tau ua kom huv si. Thaum muaj av, nws yuav tsum tau wiped nrog huv si paj rwb xov ua ntej welding. Yog tias tsim nyog, nws yuav tsum tau rov polished.
Vuam kub, ceev thiab siab yuav tsum tau txiav txim tom qab kev sim thiab kuaj;
Vuam yuav tsum tau nres thaum lub ambient kub siab tshaj 40 degree los yog qis dua -3 degree ;
Cov electrode yuav tsum ua raws li cov khoom siv membrane;
Qhov sib tshooj ntev ntawm welded seam ntawm geomembrane yuav tsum tsis pub tsawg tshaj 100 hli;
Lub thickness ntawm lub vuam yuav tsum tsis pub tsawg tshaj li 1.5 npaug ntawm lub thickness ntawm zaj duab xis;
Cov qauv kev ntsuas rau vuam zoo yuav tsum ua raws li cov qauv khoom zoo sib xws, tab sis yuav tsum tsis txhob qis dua lub teb chaws tus qauv;
Thaum ib leeg-khiav vuam siv rau vuam, qhov sib koom ua ke uas nyob ze rau ob txheej ntawm geomembrane yuav tsum tau polished, txwv tsis pub cov vuam zoo yuav raug cuam tshuam; Nws yog txwv tsis pub siv extruded electrodes (granules) tshwm sim los ntawm qhov kub thiab txias kom ua raws li geomembrane thiab lwm yam geotextile txheej. ;
Lub ntug ntawm lub geomembrane sab sauv ntawm lub weld yuav tsum yog hauv av ntawm lub inclination lub kaum sab xis ntawm 45 degree los txhim kho cov vuam zoo ntawm vuam; ntawm ntug ntawm qhov wrinkled, txiav tawm qhov wrinkle ntawm qhov tawg kom ntseeg tau tias qhov sib tshooj tiaj tus. Extrusion weld tawg los yog wrinkle txiav
Thaum qhov kev tshem tawm, qhov sib tshooj yuav tsum tsis pub tsawg dua {{0}}.1m. Thaum qhov sib tshooj tsawg dua 0.1m, nws tuaj yeem ntxiv los ntawm elliptical lossis ncig thaj ua rau thaj. Cov thaj ua rau thaj yuav tsum tau nthuav dav ntau dua 0.2m nyob rau hauv tag nrho cov lus qhia ntawm kev txiav.
Lub geomembrane yuav tsum tsis txhob hla ncej puab thiab txais yuav T-shaped staggered vuam; qhov dislocation ntawm transverse welds yuav tsum ntau dua los yog sib npaug rau 500mm × 500mm, thiab kho nrog 300 × 300mm puag hlau.
D Geotextile Kev tsim kho txoj kev
D.1 Txheej txheej
Txhua yam khoom siv rau kev tso cov geotextiles uas tsis yog-woven tuaj yeem khiav mus rau saum cov geosynthetics uas twb muaj lawm. Thaum txhim kho qhov tsis-woven geotextile ntawm geomembrane, qhov kub ntawm sab nraum zoov tsis tuaj yeem qis dua -5 degrees lossis siab dua 40 degrees.
Tag nrho cov uas tsis yog-woven geotextile npoo yuav tsum tau nias tam sim ntawd nrog sandbags los yog lwm yam khoom hnyav. Nyob rau hauv txoj kev no, cov tsis-woven geotextile tuaj yeem tiv thaiv kom tsis txhob raug cua tshuab thiab rub tawm ntawm ib puag ncig anchoring grooves. Non-woven geotextiles yuav tsum tau nthuav tawm yam tsis muaj cua muaj zog los tiv thaiv lawv los ntawm cua tshuab.
Kev tso cov geotextiles uas tsis yog-woven xws li rub, nqa lossis dov yuav tsum tau ua raws li kev tswj xyuas, thiab qee qhov kev tswj tsis tau unfolding xws li "dawb lub caij nplooj zeeg" tsis raug tso cai. Cov txheej txheem ntawm nteg yuav tsum xyuas kom meej tias cov non-woven geotextile thiab lwm yam hauv qab geosynthetics tsis puas.
Cov neeg ua haujlwm tsim kho yuav tsum zam kev puas tsuaj rau geotextiles los ntawm cov khoom siv tsim kho lossis kev sib pauv cov neeg ua haujlwm hauv nruab nrab.
Txoj kev tso ntawm geotextile yuav tsum xyuas kom meej tias cov geotextile uas tsis yog-woven yog nyob rau hauv kev sib cuag ncaj qha nrog lub hauv paus geotextile kom tsis txhob muaj wrinkles. Txhua qhov wrinkling, folding lossis arching tuaj yeem ua rau tib yam tshwm sim rau lwm cov khoom siv geomaterials lossis av txheej, yog li kom tsis txhob wrinkling, folding thiab arching, los ntawm kev rov tso cov geotextile raws li cov lus qhia los yog los ntawm kev txiav thiab kho kom tshem tawm cov teeb meem no.
Thaum cov geotextile muab tso rau ntawm txoj kab nqes ntau dua 10 feem pua, tus naj npawb ntawm cov pob qij txha (cross stitching) raws qhov ntev ntawm txoj kab nqes yuav tsum tau txo kom ntau li ntau tau. Geotextiles ntawm tag nrho cov nqes hav yuav tsum muaj tsawg kawg yog 1.5 meters saum toj no tus ntiv taw ntawm txoj kab nqes.
Geotextiles thiab geosynthetics them los ntawm geotextiles yuav tsum tsis muaj av nkos, plua plav, av thiab cov khib nyiab uas yuav ua rau lub hauv paus geotextile los yog thaiv cov kua dej.
Cov cuab yeej siv rau kev txiav geotextiles yuav tsum tau pom zoo los ntawm tus engineer ua ntej siv. Cov rab chais uas tsis muaj kev tiv thaiv lossis "riam riam" siv tsis tau.
Cov neeg ua haujlwm tsim kho yuav tsum ntxuav lub chaw ua haujlwm txhua hnub, tshem tawm cov khib nyiab uas tsim thaum lub sijhawm teeb tsa ntawm geotextiles, thiab muab tso rau hauv cov thawv tsim nyog.
Tom qab tag nrho cov geotextiles tau raug teeb tsa, cov neeg ua haujlwm tsim kho ua ke nrog tus kws tshaj lij yuav tsum ua tib zoo tshuaj xyuas qhov chaw los txiav txim siab seb puas muaj cov khoom phem txawv teb chaws nyob rau hauv geotextiles, cov khoom siv geotextile puas lossis puas seams. Txhua yam khoom txawv teb chaws yuav tsum raug tshem tawm. Txhua yam geotextiles puas los yog cov seams puas yuav tsum tau kho.
D.2 Sewing ntawm geotextiles
Tshwj tsis yog tias pom zoo los ntawm tus kws ua haujlwm, tag nrho cov stitching yuav tsum tsis tu ncua (piv txwv li, point stitching tsis tso cai). Geotextiles yuav tsum sib tshooj tsawg kawg yog 150 hli ua ntej sib tshooj. Qhov tsawg kawg nkaus stitch yog tsawg kawg yog 25mm los ntawm selvedge (qhov nthuav tawm ntawm cov khoom siv).
Cov sewn geotextile seams yuav tsum muaj tsawg kawg yog ib kab ntawm ob-xov xov xauv saw seams. Cov xov siv nyob rau hauv stitching yuav tsum yog cov khoom siv nrog qhov tsawg kawg nkaus nro tshaj 60N, thiab muaj tshuaj tiv thaiv thiab ultraviolet tsis kam sib npaug los yog ntau tshaj ntawm geotextiles.
(3) Txhua qhov "tso tseg stitches" nyob rau hauv lub sewn geotextile yuav tsum tau rov sewn nyob rau hauv cov cheeb tsam cuam tshuam. (4) Cov neeg ua haujlwm tsim kho yuav tsum ua raws li cov kev ntsuas los tiv thaiv cov av, cov khoom tsis zoo lossis cov khoom txawv teb chaws los ntawm kev nkag mus rau geotextile txheej thaum lub sijhawm thiab tom qab kev teeb tsa.
E GCL Bentonite Cushion siv txoj kev
E.1 Tso ntawm bentonite lev
Lub bentonite lev yuav tsum tau thauj mus rau qhov chaw tsim kho nyob rau hauv nws thawj coil ntim. Ua ntej tso, lub pob yuav tsum tau qhib kom zoo kom tsis txhob muaj kev puas tsuaj rau bentonite lev.
Cov khoom siv uas yuav ua rau muaj kev puas tsuaj rau bentonite ncoo tsis tuaj yeem siv ncaj qha rau bentonite ncoo. Yog hais tias cov khoom siv installation tawm ntawm lub tsheb npav rau ntawm lub hauv paus, lub hauv paus yuav tsum tau rov qab los rau hauv lub xeev qub ua ntej txuas ntxiv mus.
Txo qhov rub ntawm bentonite ncoo rau ntawm lub hauv paus thaum tso bentonite ncoo, kom tsis txhob muaj kev puas tsuaj rau qhov chaw sib cuag ntawm bentonite ncoo thiab hauv av. Yog tias tsim nyog, ib txheej ntawm geotextile ib ntus tuaj yeem muab tso rau hauv av kom txo qis kev puas tsuaj rau bentonite lev vim kev sib txhuam thaum tso.
Qhov kev taw qhia tso ntawm bentonite lev yuav tsum yog sib npaug rau cov kev taw qhia ntawm txoj kab nqes.
Tag nrho cov bentonite lev yuav tsum tau muab tso rau hauv av yam tsis muaj folds, tshwj xeeb tshaj yog cov ntug ntug.
(6) Lub bentonite lev nteg rau hnub yuav tsum tau them nrog backfill, geomembrane, los yog ib ntus tarpaulin.
Bentonite lev yuav tsum tsis txhob muab pov tseg thaum hmo ntuj. Yog tias bentonite lev hydrates yam tsis tau npog, nws yog qhov tsim nyog los hloov qhov hydrated. Yog tias pom muaj teeb meem nrog dej ntxov ntxov, tus kws ua haujlwm saib xyuas yuav tsum tau sab laj rau kev daws teeb meem.
E.2 Anchorage ntawm bentonite ncoo
Raws li cov kev qhia tshwj xeeb ntawm kev tsim duab kos duab, qhov kawg ntawm bentonite ncoo yuav tsum tau muab tso rau hauv qhov chaw nres nkoj ntawm qhov chaw siab tshaj ntawm txoj kab nqes, lossis txuas ntxiv ntawm bentonite ncoo uas tuaj yeem ua lub thauj tog rau nkoj. Lub hauv ntej kawg ntawm lub groove anchoring yuav tsum tau muab sib npaug yam tsis muaj cov ces kaum ntse. Cov txheej av mos nyob rau hauv qab ntawm lub thauj tog rau nkoj trench yuav tsum tau muab tshem tawm. Lub bentonite lev yuav tsum txuas mus rau hauv qab ntawm lub thauj tog rau nkoj trench.
E.3 Overlap ntawm bentonite lev
Txoj kev sib koom ua ke ntawm bentonite ncoo yog sib tshooj ntawm cov npoo ntawm ob lub bentonite pads. Cov bentonite pads yuav tsum tau lapped nyob rau hauv cov kev taw qhia ntawm txoj kab nqes kom tsis txhob muaj cov kua dej ntws mus rau hauv lub puab tsaig sib koom tes. Nco ntsoov tias tsis muaj cov av xoob xoob lossis lwm cov pebbles hauv thaj tsam ntawm ceg tawv.
Qhov ntev ntawm qhov sib tshooj ntawm cov bentonite ncoo yuav tsum tsis pub tsawg dua 150mm. Yog hais tias cov ntaub tsis-woven ntawm qhov kawg ntawm bentonite ncoo yog txiav rau hauv ib qho zawj, cov bentonite nyob rau hauv bentonite ncoo tuaj yeem nkag mus rau hauv qhov sib tshooj. Nyob rau hauv cov ntaub ntawv no, tsis tas yuav tsum tau muab bentonite ntxiv nyob rau hauv lub puab tsaig cheeb tsam, txwv tsis pub lub puab tsaig yuav tsum tau ntxiv dag zog rau cov bentonite hmoov.Bentonite hmoov reinforcement yog muab bentonite hmoov nyob rau hauv lub overlapping cheeb tsam ntawm ob txheej ntawm bentonite pads. Nyob rau hauv 150 hli dav ribbon overlapping cheeb tsam ntawm hauv qab bentonite ncoo, kis sodium bentonite hmoov. Tus nqi ntawm bentonite yuav tsum tsis pub tsawg tshaj 0.5kg / m, thiab cov txheej txheem kev txhawb nqa ntawm qhov kawg ntawm bentonite ncoo yog tib yam li saum toj no.
E.4 Kev puas tsuaj ntawm bentonite lev
Yog hais tias lub bentonite lev puas thaum lub sij hawm installation (kua kua muag, punctures loj qhov, thiab lwm yam), nws yuav kho tau los ntawm kev txiav "patch" los ntawm ib tug tshiab yob ntawm bentonite lev los npog thaj tsam puas. Qhov ntev ntawm plaub sab ntawm thaj chaw los ntawm qhov chaw puas yuav tsum tsis pub tsawg tshaj 300mm. Ua ntej tso "patch", ib co granular bentonite los yog bentonite slurry yuav tsum tau sprinkled nyob ib ncig ntawm qhov kev puas tsuaj. Kuj siv qee cov nplaum yog tias tsim nyog los ua kom "patch" tsis hloov.
Qee cov granular bentonite los yog bentonite slurry yuav tsum tau nchuav ib ncig ntawm qhov tawg ua ntej. Kuj siv qee cov nplaum yog tias tsim nyog los ua kom "patch" tsis hloov.
F Kev tsim qauv tsim ntawm Geocomposite Drainage Network
F.1 Lay geocomposite drainage net
Tshwj tsis yog tias tau txais kev tso cai, lub geocomposite ntws network yuav tsum tau muab tso rau hauv nruj raws li cov geocomposite nteg tsim kos duab xa mus rau tus engineer.
Txhua yam khoom siv los tso geocomposite cov nets tsis tuaj yeem ua haujlwm ntawm cov geosynthetics uas twb muaj lawm. Thaum nteg cov geocomposite kua net rau ntawm geomembrane, huab cua sab nraum zoov tsis tuaj yeem qis dua -5 degrees lossis siab dua 40 degrees.
Lub installer tsis tuaj yeem nthuav ntau geocomposite kua mesh yob txhua hnub kom dhau qhov tsim nyog vuam ntau.
(4) Cov npoo ntawm tag nrho cov geocomposite ntws nets yuav tsum tau nias nrog sandbags los yog lwm yam khoom hnyav tam sim ntawd. Nyob rau hauv txoj kev no, lub geocomposite drainage net tuaj yeem tiv thaiv kom tsis txhob raug cua tshuab thiab rub tawm ntawm qhov chaw nyob ib puag ncig. Nws yog ib qho tsim nyog yuav tsum tsis txhob siv cov geocomposite kua net nyob rau hauv cov ntaub ntawv ntawm cov cua muaj zog los tiv thaiv nws los ntawm cua tshuab.
(5) Kev tso, rub, nqa lossis dov ntawm cov kav dej geocomposite yuav tsum tau tswj. Qee qhov kev xa tawm tsis raug tswj xyuas xws li "dawb lub caij nplooj zeeg" tsis raug tso cai. Txoj kev tso yuav tsum xyuas kom meej tias lub geocomposite ntws net thiab lwm yam hauv qab geomaterials tsis puas.
Txoj kev tso ntawm cov dej sib xyaw ua ke yuav tsum xyuas kom meej tias nws yuav tsis ua rau folds lossis folds ntawm geocomposite drainage net los yog cov khoom siv geotechnical, uas yuav ua rau wrinkles thiab arches. Yog li ntawd, txhawm rau kom tsis txhob wrinkling, folding thiab arching, cov teeb meem no raug tshem tawm los ntawm kev rov tso cov geomaterial lossis los ntawm kev txiav thiab kho.
Cov neeg ua haujlwm tsim kho yuav tsum sim tiv thaiv cov khoom siv geocomposite thiab zam kev puas tsuaj los ntawm lub tshuab tsim kho. Ib qho kev puas tsuaj rau geocomposite lossis lwm yam geocomposite vim yog vim li cas saum toj no yuav tsum tau kho.
Thaum lub geocomposite ntws net yog pw rau ntawm txoj kab nqes nrog txoj kab nqes siab dua 10 feem pua, tus naj npawb ntawm kab rov tav laps (welding) yuav tsum tau txo qis hauv qhov txuas ntxiv ntawm txoj kab nqes. Tag nrho cov geocomposite kua nets yuav tsum muaj tsawg kawg yog 1.5 meters saum toj no tus ntiv taw ntawm txoj kab nqes.
Lub geocomposite drainage net yuav tsum tsis txhob ua kom puas cov ntaub ntawv geotechnical hauv qab los yog thaiv cov geocomposite drainage net, xws li av nkos, plua plav, av thiab khib nyiab. Geocomposite kua net tsis tuaj yeem welded nrog geomembrane.
Cov cuab yeej siv rau kev txiav cov geocomposite drainage net yuav tsum tau pom zoo los ntawm tus engineer ua ntej nws tuaj yeem siv tau. Cov rab chais uas tsis muaj kev tiv thaiv lossis "riam riam" siv tsis tau.
Cov neeg ua haujlwm tsim kho yuav tsum ntxuav lub chaw ua haujlwm txhua hnub, tshem tawm thiab muab pov tseg kom zoo ntawm cov khib nyiab uas tau tsim thaum lub sij hawm teeb tsa ntawm cov kav dej geocomposite, thiab muab tso rau hauv cov thawv tsim nyog.
(12) Tom qab tag nrho cov geocomposite drainage nets raug teeb tsa, cov neeg ua haujlwm tsim kho thiab cov engineers yuav tsum tau ua tib zoo tshuaj xyuas qhov chaw los txiav txim siab tias tsis muaj cov khoom txawv teb chaws, cov nets geocomposite puas, lossis cov dej geocomposite puas nets hauv qab geocomposite cov nets. Cov seams tsis zoo. Txhua yam khoom txawv teb chaws yuav tsum raug tshem tawm. Ib qho kev puas tsuaj geocomposite ntws mesh lossis cov seams puas yuav tsum tau kho.
F.2 Kev khi thiab xaws geocomposite ntws net
Tshwj tsis yog tias pom zoo, qhov geonet feem ntawm geocomposite ntws mesh yuav tsum sib tshooj los ntawm qhov tsawg kawg nkaus ntawm 75mm los yog raws li kev pom zoo los ntawm cov chaw tsim khoom ua ntej bundling. Txhua geotextiles yuav tsum tau muab tshem tawm ntawm nruab nrab ntawm qhov sib tshooj ntawm cov geonet.
Yog hais tias tus engineer tsis pom zoo rau lwm cov cuab yeej khi, qhov sib tshooj ntawm cov geonet yuav tsum tau khi nrog tsawg kawg ib kab ntawm lub teeb xim yas xaim. Cov cuab yeej sib txuas yuav tsum tsis pub dawb ntawm ib qho hlau thiab muaj qhov sib npaug sib npaug los yog siab dua 200N. Cov bindings yuav tsum nyob rau hauv nruab nrab ntawm qhov sib tshooj thiab yuav tsum dhau los ntawm ntau tshaj ib axis ntawm lub geonet.
Qhov kev sib txuas ntawm cov geonet raws txoj kab nqes yog 1,500 hli, thiab qhov sib txuas ntawm qhov sib txuas ntawm cov kwj deg thiab cov seams hauv qab ntawm qhov chaw pov tseg yog 150 hli.
Thaum bundled, cov khaubncaws sab nraud povtseg ntawm geotextile rau geocomposite kua mesh feem yuav tsum sib tshooj los ntawm yam tsawg kawg nkaus ntawm 150mm, los yog sewn ua ke tsis tu ncua raws li cov neeg tsim khoom pom zoo.
Sewing geotextile seams yuav tsum muaj tsawg kawg yog 1 kab ntawm ob txoj xov stitches. Cov xov siv hauv kev xaws yuav tsum muaj qhov nruj nruj ntawm ntau dua 60N hauv ntau cov hlua thiab muaj kev tiv thaiv rau cov tshuaj corrosion thiab ultraviolet lub teeb sib npaug los yog ntau tshaj ntawm geotextiles.
Yog tias muaj "ploj ploj lawm", qhov chaw cuam tshuam yuav tsum tau rov sewed.
(7) Cov neeg ua haujlwm tsim kho yuav tsum xyuas kom meej tias cov av, pob zeb lossis cov khoom txawv teb chaws raug tiv thaiv los ntawm kev nkag los yog sib cais hauv nruab nrab ntawm cov khoom siv geotechnical thaum lub sij hawm lossis tom qab kev teeb tsa ntawm cov khoom siv geotechnical composite.
F.3 Kev kho thiab kho
Cov neeg ua haujlwm tsim kho yuav tsum tau tshuaj xyuas tag nrho cov geocomposite cov nets, cov pob qij txha thiab kho uas yuav puas thiab / lossis puas vim yog kev tsim khoom lossis kev teeb tsa. Txhua qhov kev sib txuas tsis zoo yuav tsum tau cim kom meej meej ntawm qhov geocomposite ntws dej thiab kho raws sijhawm.
Yog tias qhov teeb meem loj dua 1 meter, lub geocomposite ntws network yuav tsum tau kho raws li hauv qab no:
Nyob rau hauv qab ntawm qhov chaw pov tseg, thaj chaw puas raug txiav tawm thiab ob feem geocomposite kua mesh txuas nrog raws li tau piav qhia hauv Tshooj 2.5.
Ntawm qhov chaw siab tshaj, puas geocomposite kua mesh yob yuav tsum tau muab tshem tawm thiab hloov.
Yog tias qhov tsis xws luag tsawg dua 1mx1m, geocomposite ntws network yuav tsum tau kho raws li hauv qab no:
Yog tias lub geonet tsis puas tab sis cov geotextile puas lawm, siv cov vuam kub los kho qhov chaw puas nrog 300mm sib tshooj thaj ua rau thaj.
Yog hais tias lub geonet puas lawm, txiav tawm lub puas geonet. Siv ib daim ntawm geonet los hloov qhov puas thiab khi nws mus rau lub geonet uas twb muaj lawm txhua 150 hli nrog cov yas dawb khi. Ib thaj ntawm geotextile nrog 30 hli sib tshooj tau ntxiv rau geonet los ntawm thermal vuam.
G Anchor Ditch Backfill
Thaum backfilling, phau ntawv backfilling thiab me me mechanical compaction yuav tsum tau siv, thiab mechanical backfilling yuav tsum tsis txhob siv los tiv thaiv mechanical fracturing ntawm geomembrane thiab non-woven npuag, uas yuav ua rau cov kua khib nyiab pov tseg thiab ua rau cov dej tsis zoo thiab av.
Ua ntej phau ntawv backfilling thiab ramming, lub backfill yuav tsum tau pib theem, thiab cov ramming yuav tsum tau ua nyob rau hauv ib qho kev taw qhia. Thaum tamping lub hauv paus trench thiab hauv pem teb, txoj kev ramming yuav tsum pib ntawm plaub sab, thiab ces ram mus rau nruab nrab.
Thaum tamping nrog cov khoom me me xws li Qav rammers, qhov sau yuav tsum tau ua ntej theem ua ntej ramming, thiab cov rammers ram nyob rau hauv lem, sib npaug sib cais, tsis muaj ib qho kev ncua.
Lub backfill ntawm lub hauv paus qhov (qhov) yuav tsum tau rov qab thiab compacted nyob rau tib lub sij hawm ntawm opposite sab los yog ib ncig. Thaum backfilling cov yeeb nkab trench, cov av yuav tsum tau sau thiab compacted nyob ib ncig ntawm cov yeeb nkab ua ntej, thiab nws yuav tsum tau ua los ntawm ob sab ntawm cov yeeb nkab tib lub sij hawm. Yog tias muaj cov dej hauv av los yog cov dej tsis tu ncua hauv txheej txheej, cov kwj dej thiab cov dej sau cov dej yuav tsum tau teem ib ncig kom txo cov dej.
Yog hais tias cov av puv txheej yog dej nyab, cov av nkos yuav tsum tau muab tshem tawm ua ntej backfilling txheej sab saud; qhov chaw filling yuav tsum muaj qee qhov kab rov tav txoj kab nqes, lossis siab dua me ntsis hauv nruab nrab thiab qis dua ntawm ob sab kom yooj yim rau cov kua dej; lub filling yuav tsum tau ua nyob rau tib hnub compaction.
Thaum lub caij los nag, qhov backfilling ntawm lub hauv paus pits (slots) los yog cov yeeb nkab trenches yuav tsum tsis txhob loj heev, thiab yuav tsum tau ua kom tiav seem ntawm seem thiab seem ntawm seem. Cov txheej txheem los ntawm lub ntiaj teb txav, tso thiab ntim rau hauv compaction yuav tsum tau nqa tawm tsis tu ncua. Ua ntej los nag, cov av txheej txheej yuav tsum tau nias thiab ib qho kev nqes hav yuav tsum tau tsim los pab kom cov dej ntws tawm. Thaum lub sij hawm tsim kho, cov chaw tso dej yuav tsum tau kuaj xyuas thiab ua kom cov dej hauv av tsis txhob ntws mus rau hauv lub qhov (slot), ua rau txoj kab nqes los yog lub hauv paus av puas.
H Technical Feasibility Analysis ntawm Proposed Rain and Sewage Diversion Project
Los nag thiab dej phwj siv tshuab rau kev pov tseg hauv tsev yog ib txoj hauv kev tshiab tsim thiab siv nyob rau xyoo tas los no. Peb tau mus xyuas Shangqiu Txoj haujlwm ua dej nag thiab dej phwj tuaj ntawm lub nroog cov khib nyiab hauv nroog ntseeg tias qhov kev ntsuas no yooj yim thiab nrawm rau kev siv, thiab qhov teeb meem kuj tseem muaj. daws qhov teeb meem ntawm cov ntxhiab tsw ntawm cov khib nyiab pov tseg thiab qhov sib txawv ntawm cov khoom khib nyiab nrog cua Qhov teeb meem.
Lub hauv paus ntsiab lus ntawm qhov kev ntsuas no yog: ua ntej, tsim cov khib nyiab pov tseg, npog qhov chaw nrog cov av tiaj tiaj ntawm 30 ~ 40cm, thiab kho nws. Cov duab tiaj tus, 300g geotextile thiab HDPE (High Density Polyethylene) geomembrane yog siv rau ntawm qhov chaw. pawg, uas yuav tsis xav tau .Area kev pab them nqi rau kev ua haujlwm pov tseg. Nyob rau hauv txoj kev no, vim muaj kev sib cais ntawm HDPE geomembrane, cov dej nag tsis nkag mus rau hauv cov khib nyiab.Cov khib nyiab pov tseg ncaj qha tawm mus rau sab nraud ntawm qhov chaw los ntawm kev tsim cov dej los nag, kom txo tau cov kua qaub.Purpose. Nyob rau tib lub sijhawm, vim muaj qhov cuam tshuam ntawm HDPE geomembrane, thaj chaw uas muaj HDPE geomembrane yuav tsis tawg lawm.Tsis muaj ntxhiab tsw, tsis muaj yoov tshaj cum thiab yoov, thiab tsis muaj cov khib nyiab ntxiv nyob hauv cua.
Vim tias cov dej xau nyob ib puag ncig ntawm txoj kab nqes ko taw ntawm cov khib nyiab pov tseg, yog tias kev ntsuas los nag thiab dej phwj tuaj, nws yog qhov yuav tsum tau ua kom Leachate drainage ditches yog teem ib ncig ntawm txoj kab nqes ko taw ntawm cov heap. Cov dej ntws los nag tau teeb tsa rau sab saud ntawm lub qhov dej ntws tawm, thiab cov kwj deg tso rau hauv Ib qho me me ntawm cov pob zeb thiab cov dej nag nkag mus rau hauv qhov dej nyab thawj qhov kev cuam tshuam ditch los ntawm underditch thiab los ntawm Huanchang Road.
Los nag thiab dej phwj hloov kev pab them nqi npaj daim ntawv qhia chaw
Txij li thaum cov khib nyiab pov tseg yuav txuas ntxiv mus pov tseg cov khib nyiab, thaum tsim cov phiaj xwm, qhov tseeb ntawm qhov chaw pov tseg tom qab yuav tsum tau txiav txim siab.International operations. Ntawm lub platform nyob rau sab saum toj ntawm cov khib nyiab pov tseg, xav txog kev siv txoj kev ua haujlwm raws li cov txheej txheem, thiab faib lub platform ua ob ntu: Sab hnub tuaj thiab sab hnub poob, txhua ib nrab ntawm thaj chaw yuav hloov mus rau qhov chaw pov tseg rau ib xyoos. Thaum siv cov dej nag thiab cov dej phwj hloov kev tsim kho, lub platform tsuas yog npog sab hnub tuaj ib nrab ntawm thaj chaw thiab txhua qhov chaw nyob ib puag ncig. HDPE geomembrane npog thaj tsam yog nyob ib sab ntawm txoj kev ua haujlwm, thiab siv ib qho 1-meter-dav geomembrane.Cov ntug ntawm daim ntaub raug nias, thiab tom qab ntawd ib txheej ntawm cov hnab ntim av yog nias rau saum. tiv thaiv cua thiab sib sau ua ke (txoj kev no kuj yog siv rau sab saum toj ntawm txoj kab nqes hauv sab hnub poob ib nrab); tos rau sab hnub poob Ib nrab Tom qab cheeb tsam tau sau rau ib qhov siab thiab npog nrog cov av thiab theem, HDPE geomembrane ntawm lub platform nyob rau hauv ib nrab cheeb tsam no yog txiav qhib thiab tsiv mus rau qhov chaw sau.
Lub platform nyob rau sab hnub poob ib nrab ntawm cov khib nyiab zoo (yog tias lub geomembrane tsis txaus, koj tuaj yeem yuav ib qho me me) los npog nws. txoj kev no, nws tsis tsuas yog ua kom cov nyhuv ntawm cov nag thiab dej phwj tuaj, txuag nyiaj, tab sis kuj ua kom muaj kev ua haujlwm zoo thiab tsim cov khoom pov tseg.
I Cov txheej txheem kev tsim kho ntawm biogas phau ntawv qhia thiab tso qhov dej
Muaj 10 phau ntawv qhia txog biogas thiab cov qhov dej tso tawm los tsim (saib daim duab hauv qab no rau kev faib dav hlau). Thaum tsim cov phau ntawv qhia biogas thiab cov qhov dej tso tawm, Lub chaw tso dej tawm sab saud tuaj yeem tsis tsuas yog coj thiab tso tawm biogas xwb, tab sis kuj tseem rov ua cov dej xau. Recharged leachate, nrog cov pov tseg hauv cov khoom siv organic react, thiab ib feem ntawm cov leachate yuav hloov mus rau hauv biogas thiab tso tawm, uas tuaj yeem txo cov leachate. Nws xav tias txhua tus nqi ntawm cov dej xau rov qab rau hauv lub qhov dej tuaj yeem ncav cuag 10-30 tons hauv ib hnub (cov nyiaj rov qab sib txawv nrog lub caij).
I.1 Lub dav hlau layout ntawm biogas phau ntawv qhia thiab tso qhov dej
I.2 Schematic daim duab qhia ntawm biogas qhia thiab seem seem
I.3 Kev kos duab ntawm cov hlau tawb rau biogas phau ntawv qhia thiab tso kom zoo
Kev sib txuas ua haujlwm: vuam.
J Cov lus piav qhia ntxaws txog kev tsim kho ntawm biogas phau ntawv qhia thiab cov qhov dej tso tawm
J.1Lub qhov dej biogas qhov dej ntawm qhov project yog qhov sib sib zog nqus, nrog kev kwv yees qhov tob ntawm 14 meters, thiab cov biogas yooj yim rau kev mloog zoo, yog li nws tsis tuaj yeem muab rho tawm.Drilling txoj kev siv; tsuas qhib excavation yuav siv tau. Nws yog npaj yuav siv lub caj npab ntev excavator mus khawb ib lub vojvoog tob.Nws yog ib tug ncig arc trench nrog ib tug dav ntawm 14 meters thiab dav ntawm 1 meter. Xav txog cov xwm txheej ntawm cov khib nyiab pov tseg, qhov kev khawb qhov dav dav yuav tsum nyob rau hauv 1.5 ~ 2 meters los xyuas kom meej tias qhov dav siv dav mus txog 1 meter. Raws li qhia hauv qab no:
J.2Vim lub concentration ntawm biogas, nyob rau hauv tus txheej txheem ntawm sau lub tawb nrog pebbles, sparks yog yooj yim generated thaum lub pob zeb sib tsoo, ua rau tawg. Yog li ntawd, biogas steel tawb yuav tsum tau muab faib ua ntu txhua 2 meters, welded nyob rau hauv seem sab nraum qhov chaw, thiab thauj mus rau qhov chaw nyob rau hauv seem.Installation, phau ntawv sau ntawm pebbles nyob rau hauv seem, installation thiab backfilling seem los ntawm seem, thiab stacking thiab lifting. ntu ntawm ntu. Thaum lub sij hawm sau cov txheej txheem, Siv lub tshuab tawg-pov thawj kom ua pa kom muaj kev nyab xeeb; phau ntawv pob zeb sau yuav tsum tau ua tib zoo saib xyuas kom tsis txhob muaj qhov tshwm sim los ntawm kev sib tsoo ntawm pob zeb Biogas tawg kom muaj kev nyab xeeb.
J.3 Thaum txhim kho lub biogas tawb, cov dej sib xyaw ua ke tau muab tso rau hauv cov khaubncaws sab nraud povtseg tib lub sijhawm. Thaum cov leachate recharged, cov leachate tuaj yeem raug tso tawm.Nws tuaj yeem tawg mus rau hauv pawg khib nyiab raws qhov sib txawv ntawm cov kua dej sib xyaw kom ntseeg tau tias cov kua roj recharged tuaj yeem cuam tshuam zoo rau hauv cov khib nyiab. Cia cov khib nyiab txuas ntxiv mus txog thaum nws. ruaj khov.
K Sketch ntawm kev tsim qauv ntawm qhov project floating npog
K.1 Plane Schematic
K.2 Sectional daim duab
