Geomembrane yosalala
Kufotokozera Kwachidule:
Geomembrane yosalala nthawi zambiri imapangidwa ndi chinthu chimodzi cha polima, monga polyethylene (PE), polyvinyl chloride (PVC), ndi zina zotero. Pamwamba pake ndi posalala komanso lathyathyathya, popanda kapangidwe koonekera bwino kapena tinthu tating'onoting'ono.
Kapangidwe koyambira
Geomembrane yosalala nthawi zambiri imapangidwa ndi chinthu chimodzi cha polima, monga polyethylene (PE), polyvinyl chloride (PVC), ndi zina zotero. Pamwamba pake ndi posalala komanso lathyathyathya, popanda kapangidwe koonekera bwino kapena tinthu tating'onoting'ono.
- Makhalidwe
- Mphamvu yabwino yoletsa kutuluka kwa madzi: Ili ndi mphamvu yochepa kwambiri yoletsa kulowa kwa madzi ndipo imatha kuletsa kulowa kwa madzi. Ili ndi mphamvu yabwino yoletsa madzi, mafuta, mankhwala, ndi zina zotero. Mphamvu yoletsa kutuluka kwa madzi imatha kufika 1 × 10⁻¹²cm/s mpaka 1 × 10⁻¹⁷cm/s, zomwe zingakwaniritse zofunikira zoletsa kutuluka kwa madzi m'mapulojekiti ambiri.
- Kukhazikika kwamphamvu kwa mankhwala: Kuli ndi kukana bwino kwa asidi ndi alkali komanso kukana dzimbiri. Kungakhale kokhazikika m'malo osiyanasiyana a mankhwala ndipo sikungowonongeka mosavuta ndi mankhwala omwe ali m'nthaka. Kumatha kukana dzimbiri la kuchuluka kwa asidi, alkali, mchere ndi njira zina.
- Kukana kutentha kochepa: Imathabe kukhalabe yosinthasintha komanso yolimba ngati makina pamalo otentha pang'ono. Mwachitsanzo, ma geomembrane ena abwino kwambiri a polyethylene amakhalabe ndi kusinthasintha pang'ono pa -60℃ mpaka -70℃ ndipo ndi ovuta kuwasweka mosavuta.
- Kapangidwe kosavuta: Pamwamba pake ndi posalala ndipo coefficient ya friction ndi yaying'ono, yomwe ndi yabwino kuyika pa malo ndi maziko osiyanasiyana. Ikhoza kulumikizidwa pogwiritsa ntchito welding, bonding ndi njira zina. Liwiro la kamangidwe ndi lachangu ndipo khalidwe lake ndi losavuta kulilamulira.
Njira Yopangira
- Njira yopangira zinthu pogwiritsa ntchito pulasitiki: Zinthu zopangira polymer zimatenthedwa mpaka zitasungunuka ndipo zimatulutsidwa kudzera mu pulasitiki kuti zipange chopanda kanthu. Kenako, mpweya wopanikizika umalowetsedwa mu chubu chopanda kanthu kuti chifutukuke ndikumamatira ku nkhungu kuti zizizire ndi kupanga mawonekedwe. Pomaliza, geomembrane yosalala imapezeka podula. Geomembrane yopangidwa ndi njira iyi ili ndi makulidwe ofanana komanso mawonekedwe abwino a makina.
- Njira yopangira kalendala: Zinthu zopangira polima zimatenthedwa kenako zimatulutsidwa ndikutambasulidwa ndi ma rollers angapo a kalendala kuti apange filimu yokhala ndi makulidwe ndi m'lifupi mwake. Pambuyo pozizira, geomembrane yosalala imapezeka. Njirayi imakhala ndi ntchito yabwino kwambiri yopanga komanso m'lifupi mwake, koma makulidwe ake ndi ochepa.
Minda Yofunsira
- Pulojekiti yosamalira madzi: Imagwiritsidwa ntchito pochiza malo osungira madzi monga malo osungira madzi, madamu, ndi ngalande. Imatha kuletsa madzi kutuluka, kukonza bwino malo osungira madzi ndi kuyendetsa bwino ntchito za mapulojekiti osamalira madzi, ndikuwonjezera nthawi yogwira ntchito ya pulojekitiyi.
- Malo Otayira Zinyalala: Monga chotchingira pansi ndi m'mbali mwa malo otayira zinyalala, chimateteza madzi otayira kuti asaipitse nthaka ndi madzi apansi panthaka ndipo chimateteza chilengedwe chozungulira.
- Nyumba yosalowa madzi: Imagwiritsidwa ntchito ngati gawo losalowa madzi padenga, pansi pa nyumba, bafa ndi mbali zina za nyumbayo kuti madzi amvula, madzi apansi panthaka ndi chinyezi china zisalowe mnyumbamo ndikuwonjezera magwiridwe antchito osalowa madzi mnyumbamo.
- Malo Opangidwa: Amagwiritsidwa ntchito poletsa madzi m'nyanja zopangidwa, maiwe opangidwa ndi malo, malo ochitira masewera a gofu, ndi zina zotero, kuti madzi azikhala olimba, kuchepetsa kutaya madzi, komanso kupereka maziko abwino opangira malo.
Mafotokozedwe ndi Zizindikiro Zaukadaulo
- Mafotokozedwe: Makulidwe a geomembrane yosalala nthawi zambiri amakhala pakati pa 0.2mm ndi 3.0mm, ndipo m'lifupi nthawi zambiri amakhala pakati pa 1m ndi 8m, zomwe zimatha kusinthidwa malinga ndi zosowa za mapulojekiti osiyanasiyana.
- Zizindikiro zaukadaulo: Kuphatikiza mphamvu yokoka, kutalika kwa kusweka, mphamvu yokoka ya mbali yakumanja, kukana kupsinjika kwa hydrostatic, ndi zina zotero. Mphamvu yokoka nthawi zambiri imakhala pakati pa 5MPa ndi 30MPa, kutalika kwa kusweka kwa mbali yakumanja kumakhala pakati pa 300% ndi 1000%, mphamvu yokoka ya mbali yakumanja imakhala pakati pa 50N/mm ndi 300N/mm, ndipo kukana kupsinjika kwa hydrostatic kuli pakati pa 0.5MPa ndi 3.0MPa.
Magawo wamba a geomembrane yosalala
| Parameter (参数) | Unit (单位) | Mtundu Wamtengo Wapatali (典型值范围) |
|---|---|---|
| Makulidwe (厚度) | mm | 0.2 - 3.0 |
| M'lifupi (宽度) | m | 1 - 8 |
| Kulimbitsa Mphamvu (拉伸强度) | MPa | 5 - 30 |
| Elongation at Break (断裂伸长率) | % | 300 - 1000 |
| Mphamvu ya Misozi Yakumanja (直角撕裂强度） | N/mm | 50 - 300 |
| Hydrostatic Pressure Resistance (耐静水压) | MPa | 0.5 - 3.0 |
| Permeability Coefficient (渗透系数) | cm/s | 1×10⁻¹² - 1×10⁻¹⁷ |
| Carbon Black Content (炭黑含量) | % | 2 - 3 |
| Nthawi Yowonjezera Oxidation (氧化诱导时间） | mphindi | ≥100 |
