HDPE Geomembranetseem hu ua high-density polyethylene impermeable geomembrane.Nws yog ib yam khoom siv dej tsis zoo, cov khoom siv raw yog high-molecular polymer.Cov khoom tseem ceeb yog 97.5% HDPE thiab 2.5% ntawm Carbon dub / anti-aging agent / anti-oxygen / UV absorbent / stabilizer thiab lwm yam khoom siv.
Nws yog tsim los ntawm triple co-extrusion txheej txheem los ntawm cov cuab yeej siv siab tshaj plaws uas yog los ntawm Ltalis.
Yingfan geomembranes tag nrho ua tau raws lossis tshaj US GRI thiab ASTM cov qauv.Nws lub luag haujlwm tseem ceeb yog los tiv thaiv kev tawm tsam thiab kev sib cais., yog li kev teeb tsa ntawmHDPE geomembrane linertseem ceeb heev.
HDPE geomembrane txheej txheem kev teeb tsa ua lub luag haujlwm tseem ceeb hauv cov dej tsis sib haum thiab kev tiv thaiv dej.Peb, Shanghai Yingfan Engineering Material Co., LTD, muaj peb tus kheej kev teeb tsa pab pawg los muab cov kev pabcuam hauv chaw teeb tsa, nrog ntau tshaj kaum xyoo dhau los.Yog li kuv vam tias phau ntawv qhia no tuaj yeem pab koj tiag tiag.
Phau ntawv qhia no qhia txog txoj kev teeb tsa ntawm HDPE geomembrane.Los ntawm cov lus qhia no, koj yuav paub zoo dua yuav ua li cas rau nruab HDPE geomembrane thiab pab koj txuag sijhawm thiab ua haujlwm.
Feem ntau hais lus, HDPE geomembrane installation txheej txheem raws li hauv qab no:
1) Kev npaj rau kev teeb tsa
2) Kev kho mob ntawm qhov chaw
3) Kev npaj rau tso HDPE geomembrane
4) Tso HDPE geomembrane
5) Vuam HDPE geomembrane
6) Kev soj ntsuam zoo
7) Kho HDPE geomembrane
8) HDPE Geomembrane anchorage
9) Kev tiv thaiv kev ntsuas
Cia kuv qhia cov txheej txheem installation ntawm geomembrane kom ntxaws hauv qab no:
1. Kev npaj rau kev teeb tsa
1.1 Npaj thaj chaw tiaj tus nyob ib ncig ntawm qhov chaw (loj: loj dua 8m * 10m) rau kev tshem tawm thiab txiav.
1.2 Unload lub geomembrane ua tib zoo. Muab qee lub rooj ntoo ntawm ntug ntawm lub tsheb thiab dov lub geomembrane ntawm lub tsheb ntawm manually lossis tshuab.
1.3 Npog daim nyias nyias nrog lwm cov dej tsis zoo, hauv qab lub ncoo khoob.
2. Kev kho mob ntawm qhov chaw
2.1 Lub hauv paus nteg yuav tsum muaj zog thiab tiaj tus.Yuav tsum tsis muaj cov hauv paus hniav, rubble, pob zeb, pob zeb, steel tuav, iav shards, thiab lwm yam uas yuav ua rau lub HDPE geomembrane puas.
2.2 Txawm tias nyob rau hauv qab thiab sab txoj kab nqes ntawm lub tank, tamp lub nto nrog lub tshuab vim lub tank yuav sawv ntsug zoo kawg li tom qab dej impoundment.Rau cov av hauv qab thiab sab txoj kab nqes, nws yuav tsum muaj peev xwm txaus los tiv thaiv cov dej siab kom tsis txhob muaj cov av. phab ntsa deformation vim dej siab.Qhov saum npoo yuav tsum tau tamped.Yog tso cai, cov qauv pob zeb yuav tsum zoo dua.(Raws li hauv qab no pic.)
2.3.Hollow tawm anchoring groove (loj 40cm * 40cm) nyob ib ncig ntawm lub tank dej rau fixation ntawm HDPE geomembrane.
3. Peparation rau tso HDPEgeomembrane
3.1 Qhov saum npoo yuav tsum ncav cuag tus qauv tsim thiab ua kom zoo.
3.2 Qhov zoo ntawm HDPE geomembrane thiab vuam pas nrig yuav tsum ncav cuag tus qauv tsim thiab kev ua tau zoo.
3.3 Cov neeg tsis sib xws tsis raug tso cai nkag mus rau hauv qhov chaw teeb tsa.
3.4 Tag nrho cov installers yuav tsum hnav dhau thiab khau uas tsis muaj kev puas tsuaj rau HDPE geomembrane.Tsis haus luam yeeb hauv qhov chaw teeb tsa.
3.5 Tag nrho cov cuab yeej yuav tsum tau muab maj mam.Cov cuab yeej kub tsis pub kov HDPE geomembrane.
3.6 Siv kev tiv thaiv los txhim kho HDPE geomembrane.
3.7 Peb tsis tuaj yeem siv cov cuab yeej uas yuav ua rau muaj kev puas tsuaj thaum lub sij hawm hloov cov txheej txheem.Uncontrolled expansion method tsis tau tso cai thiab tuav nrog kev saib xyuas.
4. Tso HDPE geomembrane
4.1 Qhib HDPE geomembrane ntawm thaj chaw tiaj tus thiab txiav cov khoom mus rau qhov xav tau profile.
4.2 Kev puas tsuaj rau tib neeg yuav tsum raug zam thaum lub sij hawm nteg txheej txheem.Lub geomembrane yuav tsum tau nteg du thiab txo qis drape.Xaiv cov kev taw qhia nteg tsim nyog kom txo tau kev sib koom tes.
4.3 Deformation ntawm HDPE geomembrane yuav tsum tau lav txog 1% -4%.
4.4 Tag nrho cov tshawb nrhiav HDPE geomembrane yuav tsum tau compressed ntawm sandbags lossis lwm yam khoom hnyav los tiv thaiv geomembrane windblown.
4.5 Kev tsim kho sab nraum zoov ntawm HDPE geomembrane yuav tsum siab tshaj 5 ° C, thiab tsis muaj nag lossis daus tsis muaj huab cua hauv qab 4 cua.Thaum nteg lub geomembrane, lub weld seam yuav tsum tau tsawg.Raws li qhov kev pom zoo ntawm kev ua kom zoo, cov khoom siv raw yuav tsum tau txais kev cawmdim ntau li ntau tau, thiab qhov zoo tuaj yeem ua kom yooj yim.
4.6 Ntsuas: ntsuas qhov loj rau txiav;
4.7 Txiav: Txiav raws li qhov loj me xav tau;qhov dav dav yog 10cm ~ 15cm.
5. Vuam HDPE geomembrane
5.1 Huab cua:
(1) Kub: 4-40 ℃
(2) Kev ziab qhuav, tsis muaj nag lossis lwm yam dej
(3) Cua ceev ≤4 chav kawm / h
5.2 Kub vuam:
5.2.1 Ob HDPE geomembrane yuav tsum sib tshooj tsawg kawg yog 15cm.Cov membrane yuav tsum tau kho thiab txo cov drape.
5.2.2 Qhov chaw vuam yuav tsum raug ntxuav thiab xyuas kom tsis muaj dej, plua plav lossis lwm yam khoom siv.
5.2.3 Kev sim vuam: Kev ntsuas vuam yuav tsum tau ua ua ntej vuam ua haujlwm.Kev ntsuas vuam yuav tsum tau ua raws li cov qauv ntawm cov khoom siv impervious.Qhov ntev ntawm cov qauv yuav tsum tsis pub tsawg tshaj 1 m thiab qhov dav yuav tsum tsis pub tsawg tshaj 0.2 m.Tom qab qhov kev xeem welding tiav lawm, peb 2.5 cm dav qhov ntsuas tau raug txiav los kuaj lub zog tsim kua muag thiab lub zog weld shear.
5.2.4 Vuam: Lub geomembrane yog welded siv tsis siv neeg nkag hom ob lub tsheb ciav hlau vuam tshuab.Ib qho extrusion kub-melt welder yuav tsum tau siv qhov twg ob lub tsheb ciav hlau vuam tshuab tsis tuaj yeem ua haujlwm.Nws yog txuam nrog cov vuam pas nrig ntawm tib cov khoom nrog geomembrane.Cov txheej txheem vuam yog raws li nram no: kho lub siab, qhov kub thiab txias, qhov chaw ceev, pob qij txha soj ntsuam, geomembrane loading rau hauv lub tshuab, pib lub cev muaj zog.Yuav tsum tsis muaj roj los yog hmoov av ntawm cov pob qij txha, thiab yuav tsum tsis muaj cov khib nyiab, condensation, ya raws thiab lwm yam khib nyiab nyob rau hauv lub puab tsaig pob qij txha ntawm lub geomembrane.Yuav tsum tau ntxuav ua ntej vuam.
5.3 Extrusion vuam;
(1) Ob HDPE geomembrane yuav tsum sib tshooj tsawg kawg yog 7.5cm.Qhov chaw vuam yuav tsum tau ntxuav thiab xyuas kom tsis muaj dej, plua plav lossis lwm yam khoom siv.
(2) Kub vuam tsis tuaj yeem ua puas rau HDPE geomembrane.
(3) Vuam pas nrig yuav tsum huv si thiab qhuav.
Kub vuam
Extrusion vuam
Thaum lub sij hawm vuam txheej txheem, los tiv thaiv HDPE geomembrane windblown, peb yuav nteg thiab welding tib lub sij hawm.Ua ntej vuam, ntxuav lub vuam cheeb tsam.Lub log ntawm vuam tshuab yuav tsum kuj yuav tsum tau ntxuav. Kho qhov parameter ua ntej welding.Kua lub vuam tshuab khiav nrog. uniform ceev.Kuaj lub vuam seam tom qab ua tiav txias.
6. Kev soj ntsuam zoo
6.1 Txheeb xyuas tus kheej: Tshawb xyuas thiab sau txhua hnub.
6.2 Xyuas tag nrho cov vuam seam, vuam dot thiab kho qhov chaw.
6.3 Tom qab kev teeb tsa, qee qhov tshwm sim me me raug tso cai.
6.4 Txhua qhov kub vuam seam yuav tsum xeem dhau kev puas tsuaj, qhov kev sim zoo li: siv lub tshuab tensile los txiav thiab tev, cov khoom siv hauv paus raug puas tsuaj thaum lub vuam seam tsis pub raug puas tsuaj.
6.5 Cua siab nrhiav kom tau: Thaum siv tsis siv neeg crawl hom ob lub tsheb ciav hlau vuam tshuab, cov cua kab noj hniav yog tshwj tseg nyob rau hauv nruab nrab ntawm cov vuam, thiab cov cuab yeej ntsuas cua siab yuav tsum tau siv los xyuas qhov muaj zog thiab huab cua nruj.Tom qab kev tsim kho ntawm lub vuam ua tiav, ob qho kawg ntawm lub vuam kab noj hniav raug kaw, thiab cov cua chamber ntawm lub vuam yog pressurized mus rau 250 kPa nrog lub tshuab ntsuas roj rau 3-5 feeb, huab cua siab yuav tsum tsis txhob qis dua. 240 kPa.Thiab tom qab ntawd nyob rau lwm qhov kawg ntawm qhov vuam, thaum qhov qhib yog deflated, lub barometer pointer tuaj yeem rov qab sai sai rau sab xoom raws li tsim nyog.
7. Kho HDPE geomembrane
Thaum lub sij hawm tso txheej txheem, tej yam tsis xws luag los yog puas lawm geomembrane yuav tsum tau kho kom tsis txhob muaj kev cuam tshuam rau waterproof muaj nuj nqi.
7.1 Qhov me me tuaj yeem kho tau los ntawm kev siv vuam extrusion, yog tias lub qhov loj dua 6 hli, peb yuav tsum kho cov khoom siv.
7.2 Sawb cheeb tsam yuav tsum tau patched, yog hais tias qhov kawg ntawm strip cheeb tsam yog ntse, peb yuav txiav nws mus ncig ua ntej striping.
7.3 Lub geomembrane yuav tsum tau grinded thiab huv si ua ntej striping.
7.4 Cov khoom siv thaj yuav tsum zoo ib yam nrog cov khoom kawg thiab raug txiav mus rau lub voj voog lossis ellipse.Cov khoom siv thaj yuav tsum loj dua li tus ciam teb ntawm qhov tsis zoo yam tsawg 15cm.
8. HDPE Geomembrane anchorage
Anchorage groove (loj: 40cm * 40cm * 40cm), rub lub geomembrane rau hauv zawj nrog U ntse thiab kho nws nrog sandbag lossis pob zeb.
9. Kev tiv thaiv
Txhawm rau tiv thaiv HDPE geomembrane, peb yuav siv cov hauv qab no:
9.1 Pave lwm geotextile rau saum lub geomembrane ces repave xuab zeb los yog av.
9.2 Pauv cov av lossis pob zeb thiab ua kom zoo nkauj.
Peb, Shanghai Yingfan Engineering Material Co., LTD, muaj peb tus kheej kev teeb tsa pab pawg los muab cov kev pabcuam hauv chaw teeb tsa, nrog ntau tshaj kaum xyoo kev paub. Zoo siab txais tos hu rau peb kom paub ntau ntxiv rau HDPE geomembrane khoom thiab kev pabcuam installation.
Post lub sij hawm: Sep-28-2022