Cov polyethylene siab ntom (HDPE) geomembranes rau cov chaw pov tseg

Kev Piav Qhia Luv:

HDPE geomembrane liner yog tshuab pwm los ntawm cov khoom siv polyethylene polymer. Nws lub luag haujlwm tseem ceeb yog tiv thaiv cov kua xau thiab cov pa roj evaporation. Raws li cov ntaub ntawv raw khoom, nws tuaj yeem muab faib ua HDPE geomembrane liner thiab EVA geomembrane liner.

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Cov Khoom Qhia Txog Khoom

Cov Khoom Piav Qhia

HDPE geomembrane yog ib qho ntawm cov ntaub ntawv geosynthetic, nws muaj kev tiv thaiv kev ntxhov siab zoo heev, tsis tshua muaj qhov kub thiab txias, tiv thaiv kev laus, tiv thaiv corrosion, nrog rau qhov kub thiab txias loj thiab lub neej ntev, dav siv rau hauv cov khib nyiab hauv tsev, cov khib nyiab khov kho, cov dej phwj tuaj yeem tsis nkag, cov pas dej dag tsis nkag, kev kho tailings thiab lwm yam haujlwm tsis nkag.

Cov yam ntxwv ntawm kev ua tau zoo

1. Tsis muaj tshuaj lom neeg ntxiv, tsis raug kho cua sov, yog cov khoom siv hauv tsev uas zoo rau ib puag ncig.
2. Muaj cov khoom siv kho tshuab zoo, dej zoo permeability, thiab tuaj yeem tiv taus corrosion, anti-aging.
3. Nrog lub zog faus ruaj khov, tiv taus corrosion, fluffy qauv, nrog kev ua haujlwm zoo.
4. Muaj ib qho coefficient zoo ntawm kev sib txhuam thiab lub zog tensile, nrog rau kev ua tau zoo ntawm geotechnical reinforcement.
5. Nrog kev rho tawm, kev lim dej, kev ntws dej, kev tiv thaiv, kev ruaj khov, kev txhawb zog thiab lwm yam haujlwm.
6. Muaj peev xwm hloov kho rau lub hauv paus tsis sib npaug, tuaj yeem tiv taus kev puas tsuaj ntawm kev tsim kho sab nraud, kev nkag mus me dua.
7. Qhov kev sib txuas lus tag nrho yog qhov zoo, lub teeb yuag, kev tsim kho yooj yim.
8. Nws yog ib yam khoom permeable, yog li nws muaj kev lim dej zoo, muaj zog tiv thaiv kev tawg, yog li nws muaj kev tiv thaiv zoo.

Cov Lus Qhia Txog Khoom

GB/T17643-2011 CJ/T234-2006

Tsis yog.	Khoom	Tus nqi
Tsis yog.	Khoom	1.00	1.25	1.50	2.00	2.50	3.00
1	qhov ceev tsawg kawg nkaus (g/㎝)³)	0.940
2	Lub zog tawm los (TD, MD), N/㎜≥	15	18	22	29	37	44
3	lub zog tawg (TD, MD), N/㎜≥	10	13	16	21	26	32
4	kev nthuav dav ntawm cov qoob loo (TD, MD), % ≥	12
5	tawg elongation (TD, MD), % ≥	100
6	(qhov nruab nrab ntawm lub duab plaub fab rhuav lub zog (TD, MD), ≥N	125	156	187	249	311	374
7	kev tiv thaiv kev tawg, N≥	267	333	400	534	667	800
8	kev ntxhov siab tawg tsis kam, h≥	300
9	Cov ntsiab lus carbon dub,%	2.0 ~ 3.0
10	cov pa roj carbon dub dispersion	cuaj ntawm 10 yog qib I lossis II, tsawg dua 1 yog tias qib III
11	Lub sijhawm oxidative induction (OIT), feeb	tus qauv OIT≥100
11	Lub sijhawm oxidative induction (OIT), feeb	siab siab OIT≥400
12	qhov cub laus ntawm 80 ℃ (tus qauv OIT khaws cia tom qab 90 hnub), % ≥	55

Kev Siv Geomembrane

1. Muab pov tseg, dej phwj tuaj lossis tswj cov khib nyiab ntawm ntug dej hiav txwv.
2. Pas dej pas dej, pas dej tailings, pas dej phwj tuaj thiab pas dej, channel, cia cov pas dej ua kua (qhov av, ore).
3. Lub tsheb ciav hlau hauv av, qhov av, txoj kab tiv thaiv kev seepage ntawm qab nthab thiab qhov av.
4. Dej hiav txwv, cov chaw ua ntses dej qab zib.
5. Txoj Kev Loj, lub hauv paus ntawm txoj kev loj thiab txoj kev tsheb ciav hlau; cov av dav dav thiab cov av nplaum uas yoo tawg ntawm cov txheej tiv dej.
6. Tiv thaiv kev seepage ntawm ru tsev.
7. Txhawm rau tswj cov kev hauv av thiab lwm yam dej ntsev hauv paus.
8. Qhov dej ntws, pem hauv ntej ntawm lub hauv paus tiv thaiv kev seepage, theem ntawm cov txheej txheem ntsug impervious, kev tsim kho cofferdam, thaj chaw pov tseg.