HDPE Geomembrane VS SBS Waterproof Membrane: Cov Xwm Txheej Sib Txawv ntawm Daim Ntawv Thov
Cov txheej txheem tiv thaiv dej thiab tiv thaiv kev ntws dej yog qhov tseem ceeb rau kev tsim kho kom ruaj khov, kev tiv thaiv ib puag ncig, thiab kev tsim kho vaj tse hauv nroog. Hauv cov haujlwm tsim kho niaj hnub no, HDPE geomembrane thiab SBS daim nyias nyias tiv thaiv dej yog ob yam khoom siv tiv thaiv dej tseem ceeb, tab sis lawv cov khoom siv thiab cov chaw ib puag ncig siv tau txawv kiag li. Ntau tus engineers thiab cov neeg cog lus tsis meej pem HDPE geomembrane vs SBS daim nyias nyias tiv thaiv dej thiab siv tsis raug rau hauv cov xwm txheej tsis tsim nyog, ua rau dej xau, laus tsis ua haujlwm, lossis cov nqi project ntau dhau. Tsab xov xwm no tshuaj xyuas lawv cov yam ntxwv tseem ceeb thiab sib txawv lawv cov xwm txheej thov daim nyias nyias tiv thaiv dej los txhawb kev xaiv cov khoom siv raug.
Cov yam ntxwv ntawm cov khoom siv yooj yim
HDPE geomembrane yog ib daim ntaub polyethylene synthetic liner uas muaj cov khoom ntom ntom zoo heev uas tiv thaiv tau dej nkag, tiv taus tshuaj lom neeg, thiab tiv taus qhov tho. Nws muaj cov qauv molecular kaw tag nrho, dej tsis nkag tau yooj yim heev, thiab ua haujlwm ruaj khov hauv qhov chaw nyuaj. Muaj cov tuab ntawm 0.2 hli txog 4.0 hli, nws tuaj yeem hloov kho kom tau raws li cov kev xav tau ntawm kev tsim kho thiab tiv thaiv qhov tho. Nrog lub neej ua haujlwm txog li 50 xyoo hauv cov xwm txheej faus, nws yog tsim los rau cov haujlwm loj ib puag ncig thiab hydraulic tiv thaiv dej tsis pub dej nkag es tsis yog cov dej tsis nkag ntawm lub tsev ib txwm muaj. HDPE geomembrane yog tsim raws li GB/T 17643 (Tuam Tshoj) thiab GRI GM13 (thoob ntiaj teb) cov qauv, ua kom muaj kev zoo sib xws rau cov ntawv thov kev tsim kho ib puag ncig.
SBS daim ntaub thaiv dej yog cov khoom siv tiv thaiv dej bitumen hloov kho uas sib xyaw nrog styrene-butadiene-styrene roj hmab. Nws muaj kev ywj pheej zoo heev, tiv taus qhov kub tsawg, thiab hloov pauv tau qhov tawg ntawm cov qauv. Cov khoom siv tiv thaiv dej hauv tsev ib txwm muaj no tuaj yeem haum rau cov chaw tsis sib xws thiab hloov pauv nrog cov qauv tsev, ua rau nws siv dav hauv cov haujlwm tiv thaiv dej hauv tsev thiab kev lag luam.
Qhov Sib Txawv ntawm Kev Ua Haujlwm Tseem Ceeb
Kev ua haujlwm tiv thaiv kev seepage: HDPE geomembrane muab kev tiv thaiv tsis pub dej nkag mus rau hauv av nrog rau qhov ze li xoom permeability. Nws tiv taus acid, alkali, ntsev corrosion, thiab microbial erosion, tsim rau cov dej zoo thiab cov chaw muaj kuab paug. Hauv kev sib piv, SBS waterproof membrane muab cov dej nag thiab dej hauv av txhim khu kev qha tab sis tsis tuaj yeem tiv taus cov tshuaj lom neeg corrosion ntev lossis cov pa phem concentration siab.
Kev hloov kho tau ntawm cov qauv: SBS daim nyias nyias tiv dej muaj qhov yoog tau yooj yim thiab ncab tau. Nws tuaj yeem hloov kho rau cov kab nrib me me thiab qhov kub thiab txias hloov pauv ntawm cov tsev, zoo tagnrho rau cov qauv tsev dynamic. HDPE geomembrane muaj lub zog tensile siab tab sis qhov yooj ywm tsawg; nws xav tau lub hauv paus tiaj tus thiab ruaj khov thiab tsis haum rau cov chaw hloov pauv ntawm cov qauv ntau zaus.
Kev ruaj khov: HDPE geomembrane uas faus rau hauv av ua haujlwm ruaj khov tau ntau xyoo yam tsis muaj hnub nyoog. Daim nyias nyias tiv thaiv dej SBS uas raug nthuav tawm (tsis muaj cov txheej tiv thaiv) yooj yim raug oxidation thiab laus, nrog lub neej ua haujlwm ib txwm muaj li 15-25 xyoo. Yog tias muaj cov chaw tiv thaiv zoo xws li cov pob zeb lossis cov vuas ru tsev, lub neej ua haujlwm tuaj yeem ntev dua.
Cov Xwm Txheej Siv Tau Rau Ob Yam Khoom
Cov Xwm Txheej Kev Ua Haujlwm rau HDPE Geomembrane
Daim ntawv thov HDPE geomembrane tsom mus rau kev tiv thaiv ib puag ncig, hydraulic, thiab kev lag luam tiv thaiv kev ntws dej. Nws yog qhov kev xaiv tshwj xeeb rau cov haujlwm uas xav tau kev tiv thaiv kev ua qias tuaj mus sij hawm ntev thiab kev ua haujlwm tiv thaiv kev xau. Cov xwm txheej ib txwm muaj xws li kev tiv thaiv kev ntws dej hauv av, kev kho dej phwj hauv lub tank, kev khaws cia dej thiab dej hauv pas dej dag, kev tiv thaiv kev ntws dej hauv pas dej aquaculture, thiab kev cais cov pas dej tailings. Cov xwm txheej no xav tau cov ntaub ntawv los tiv thaiv cov tshuaj lom neeg thiab ua tiav xoom qhov xau, uas cov ntaub thaiv dej hauv tsev ib txwm tsis tuaj yeem ua tau.
Cov Xwm Txheej Kev Tshaj Lij rau SBS Waterproof Membrane
Daim ntawv thov SBS waterproof membrane tsom mus rau kev tiv thaiv dej hauv tsev rau pej xeem thiab cov lag luam. Nws siv dav hauv kev tiv thaiv dej ntawm lub ru tsev (nrog rau qib SBS uas tiv taus cov hauv paus hniav uas xav tau rau cov ru tsev ntsuab kom tiv thaiv cov hauv paus hniav ntawm cov nroj tsuag thiab kev puas tsuaj mus sij hawm ntev), kev tiv thaiv dej hauv pem teb thiab phab ntsa sab hauv qab nthab, kev tiv thaiv dej ntawm lub lawj choj, thiab kev tiv thaiv dej ntawm qhov av. SBS waterproof membrane ua raws li GB 18242 (Tuam Tshoj) thiab ASTM D6162 (thoob ntiaj teb) cov qauv, uas tau lees paub dav hauv kev lag luam tiv thaiv dej hauv tsev. Nws qhov zoo tshaj plaws yog kev sib haum xeeb ntawm cov chaw ua haujlwm nyuaj thiab tiv taus kev hloov pauv me me ntawm cov qauv, daws tau cov teeb meem dej xau ntawm lub tsev uas tshwm sim los ntawm kev hloov pauv kub thiab kev sib tsoo ntawm lub hauv paus.
Cov Xwm Txheej Tsis Siv Tau Rau Kev Siv Cov Lus Qhia Kom Tseeb
HDPE geomembranetsis haum rau kev tiv thaiv dej ntawm lub ru tsev thiab cov qauv uas puas lawm. Nws cov yam ntxwv khov kho ua rau nws yooj yim tawg thaum lub hauv paus puas, thiab nws tsis tuaj yeem sib txuas nrog cov qauv pob zeb, ua rau dej ntws tawm yooj yim.
SBS daim ntaub thaiv dej tsis sib haumtsis siv tau rau cov haujlwm tiv thaiv kev ntws dej ib puag ncig xws li cov chaw pov tseg thiab cov pas dej phwj tuaj. Nws tsis tuaj yeem tiv taus kev xeb tshuaj lom neeg thiab yuav laus thiab ua tsis tiav sai hauv cov chaw muaj kuab paug ntau, ua tsis tau raws li cov cai tiv thaiv kev ntws dej mus sij hawm ntev.
Cov Lus Nug Feem Ntau
Q1: Puas yog HDPE geomembrane hloov SBS membrane rau kev tsim kho ru tsev waterproofing?A: Tsis yog. HDPE geomembrane muaj qhov tsis zoo ntawm qhov chaw thiab tsis yooj ywm. Nws tsis tuaj yeem hloov kho rau kev tsim kho vaj tse thiab nws yooj yim rau dej ntws. SBS waterproof membrane tseem yog qhov kev xaiv txheem rau kev tsim kho ru tsev.
Q2: Puas siv tau SBS waterproof membrane rau landfill anti-seepage?A: Tsis pom zoo. SBS daim nyias nyias tsis muaj tshuaj lom neeg tiv taus xeb thiab tsis tuaj yeem tiv taus kev puas tsuaj ntawm cov av qias neeg. Tsuas yog HDPE geomembrane kev tshaj lij thiaj li ua tau raws li cov qauv tiv thaiv ib puag ncig.
Q3: Cov khoom siv twg muaj lub neej ua haujlwm ntev dua?A: HDPE geomembrane muaj zog dua. Cov HDPE liner uas faus rau hauv av tuaj yeem siv tau 40-50 xyoo ruaj khov. Los ntawm qhov sib piv, SBS waterproof membrane kav ntev li 15-25 xyoo yam tsis muaj cov txheej tiv thaiv, thiab 20-50 xyoo nrog kev tiv thaiv tsim nyog, sib txawv ntawm cov khoom siv zoo thiab cov qauv tsim kho.
Xaus lus
HDPE geomembrane thiab SBS waterproof membrane ua haujlwm sib txawv engineering teb tsis muaj kev sib tshooj ua haujlwm. HDPE geomembrane yog cov khoom siv tshwj xeeb tiv thaiv kev seepage rau ib puag ncig thiab hydraulic projects - xaiv nws rau kev tiv thaiv tshuaj lom neeg txhim khu kev qha thiab cov kev cai nruj xoom-leakage. SBS waterproof membrane yog tus qauv tseem ceeb rau kev tsim kho dej tsis zoo - xaiv nws rau kev hloov kho zoo dua qub thiab kev ua haujlwm ruaj khov ntawm cov chaw ua haujlwm pej xeem thiab cov lag luam. Kev xaiv cov khoom siv tsim nyog raws li cov yam ntxwv ntawm project zoo zam kev pheej hmoo zais cia thiab txo cov nqi kho mus sij hawm ntev.
