Cov geomembrane sib xyaw yog rhuab los ntawm deb infrared nyob rau hauv ib lub qhov cub ntawm ib sab los yog ob sab ntawm daim nyias nyias, thiab cov geotextile thiab cov geomembrane raug nias ua ke los ntawm cov ntawv qhia cov menyuam los ua ib qho kev sib xyaw geomembrane.Kuj tseem muaj cov txheej txheem ntawm kev tsim cov khoom sib xyaw geomembrane.Nws daim ntawv yog ib daim ntaub thiab ib zaj duab xis, ob daim ntaub thiab ib zaj duab xis, ob zaj duab xis thiab ib daim ntaub, peb daim ntaub thiab ob zaj duab xis, thiab lwm yam.
Nta
Cov geotextile yog siv los ua cov txheej txheem tiv thaiv ntawm geomembrane los tiv thaiv txheej impermeable los ntawm kev puas tsuaj.Txhawm rau txo cov hluav taws xob ultraviolet thiab ua kom cov laus tiv taus, txoj kev faus yog siv rau kev tso.
1. Qhov dav ntawm 2 meters, 3 meters, 4 meters, 6 meters thiab 8 meters yog qhov ua tau zoo tshaj plaws;
2. High puncture kuj thiab kev sib txhuam coefficient;
3. Zoo aging kuj, hloov mus rau ntau yam ntawm ambient kub;
4. Kev ua haujlwm zoo los tiv thaiv dej;
5. Muaj feem xyuam rau kev txuag dej, tshuaj lom neeg, kev tsim kho, kev thauj mus los, subway, tunnel, khib nyiab pov tseg thiab lwm yam dej num
Cov txheej txheem hauv paus
1) Lub hauv paus txheej ntawm cov khoom sib xyaw geomembrane yuav tsum tiaj tus, thiab qhov sib txawv hauv zos qhov siab yuav tsum tsis txhob siab tshaj 50mm.Tshem cov cag ntoo, cov cag nyom thiab cov khoom tawv kom tsis txhob muaj kev puas tsuaj rau cov khoom sib xyaw geomembrane.
Tso cov khoom sib xyaw geomembrane
1) Ua ntej, xyuas seb cov khoom puas puas lawm.
2) Cov geomembrane sib xyaw yuav tsum tau muab tso rau raws li nws cov kev taw qhia lub zog tseem ceeb, thiab tib lub sijhawm, nws yuav tsum tsis txhob rub nruj heev, thiab qee qhov kev nthuav dav thiab kev cog lus yuav tsum tau tshwj tseg kom hloov mus rau qhov deformation ntawm matrix..
3) Thaum tso, nws yuav tsum tau ceev ceev, tsis muaj wrinkles, thiab ze rau ntawm cov kabmob qis.Nws yuav tsum tau compacted txhua lub sij hawm nrog lub khw kom tsis txhob raug lifted los ntawm cua.Kev tsim kho tsis tuaj yeem ua tiav thaum muaj dej los yog los nag, thiab bentonite lev nteg rau hnub yuav tsum tau npog nrog cov khoom siv rov qab.
4) Thaum muab cov geomembrane sib xyaw, yuav tsum muaj cov npoo ntawm ob qho kawg.Cov npoo yuav tsum tsis pub tsawg dua 1000mm ntawm txhua qhov kawg, thiab yuav tsum tau kho raws li tus qauv tsim.
5) Ib qho dav ntawm PE zaj duab xis thiab PET npuag tsis-nplaum txheej (piv txwv li, ntug tsis lees paub) tau tshwj tseg rau ntawm ob sab ntawm cov khoom sib xyaw geomembrane.Thaum tso, cov kev taw qhia ntawm txhua chav tsev ntawm cov khoom sib xyaw geomembrane yuav tsum tau kho kom yooj yim rau ob chav ntawm cov geomembrane sib xyaw.vuam.
6) Rau cov nteg sib xyaw geomembrane, yuav tsum tsis muaj roj, dej, plua plav, thiab lwm yam ntawm ntug pob qij txha.
7) Ua ntej vuam, kho cov PE ib zaj duab xis ntawm ob sab ntawm lub seam kom nws sib tshooj ib qho dav.Qhov dav sib tshooj feem ntau yog 6-8cm thiab tiaj tus thiab tsis muaj wrinkles dawb.
Vuam;
Qhov sib xyaw geomembrane yog welded siv lub tshuab vuam ob npaug, thiab qhov chaw ntawm PE zaj duab xis txuas los ntawm kev kho cua sov yog rhuab kom yaj ntawm qhov chaw, thiab tom qab ntawd fused rau hauv ib lub cev los ntawm lub siab.
1) Vuam hlaws dav: 80 ~ 100mm;ntuj folds ntawm lub dav hlau thiab ntsug dav hlau: 5% ~ 8% feem;reserved expansion thiab contraction tus nqi: 3% ~ 5%;Cov khoom seem: 2% ~ 5%.
2) Kev ua haujlwm kub kub yaj vuam yog 280 ~ 300 ℃;kev mus ncig ceev yog 2 ~ 3m / min;welding daim ntawv yog ob-txoj kev vuam.
3) Kho cov txheej txheem ntawm cov khoom puas, txiav cov ntaub ntawv nrog tib yam tshwj xeeb, kub-kua sib txuas lossis sealing nrog cov kua nplaum tshwj xeeb geomembrane.
4) Rau kev sib txuas ntawm cov ntaub tsis-woven ntawm cov hlaws weld, cov geotextile sib xyaw ntawm ob sab ntawm daim nyias nyias tuaj yeem welded nrog cov phom kub cua kub yog tias nws qis dua 150g / m2, thiab lub tshuab xaws portable tuaj yeem siv rau sewing tshaj 150g / m2.
5) Lub sealing thiab dej nres ntawm lub hauv qab nozzle yuav tsum tau muab khi nrog GB roj hmab dej-nres strip, qhwv nrog hlau thiab kho nrog kev tiv thaiv corrosion.
Backfill
1. Thaum backfilling, lub backfilling ceev yuav tsum tau tswj raws li tus tsim yuav tsum tau thiab lub hauv paus kev daws teeb meem.
2. Rau thawj txheej ntawm cov av sau rau ntawm cov khoom siv geosynthetic, lub tshuab filling tsuas tuaj yeem khiav raws cov kev taw qhia perpendicular mus rau nteg cov kev taw qhia ntawm cov khoom siv geosynthetic, thiab lub teeb-lub luag hauj lwm machinery (siab dua 55kPa) yuav tsum tau siv rau kis los yog dov.
Post lub sij hawm: Sep-22-2022