Geomembrane nke mmiri mmiri
Nkọwa Dị Mkpirikpi:
- E ji ihe polymer mee Geomembranes eji eme ihe maka ọdọ mmiri, ọkachasị polyethylene (PE), polyvinyl chloride (PVC), wdg. Ihe ndị a nwere obere ikike mmiri ịbanye nke ọma ma nwee ike igbochi mmiri ịbanye n'ime mmiri nke ọma. Dịka ọmụmaatụ, a na-emepụta polyethylene geomembrane site na mmeghachi omume polymerization nke ethylene, nhazi molekul ya dịkwa obere nke na molekul mmiri anaghị enwe ike ịgafe ya.
- E ji ihe polymer mee Geomembranes eji eme ihe maka ọdọ mmiri, ọkachasị polyethylene (PE), polyvinyl chloride (PVC), wdg. Ihe ndị a nwere obere ikike mmiri ịbanye nke ọma ma nwee ike igbochi mmiri ịbanye n'ime mmiri nke ọma. Dịka ọmụmaatụ, a na-emepụta polyethylene geomembrane site na mmeghachi omume polymerization nke ethylene, nhazi molekul ya dịkwa obere nke na molekul mmiri anaghị enwe ike ịgafe ya.
1.Àgwà Arụmọrụ
- Arụmọrụ mgbochi ịmịpụ:
Nke a bụ ọrụ kachasị mkpa nke geomembranes n'iji ihe mgbochi mmiri ndị a na-etinye n'ime mmiri. Geomembranes dị elu nwere ike inwe ihe na-eme ka mmiri ghara ịbanye nke ruru 10⁻¹² - 10⁻¹³ cm/s, nke fọrọ nke nta ka ọ ghara igbochi mmiri ịgafe kpamkpam. Ma e jiri ya tụnyere oyi akwa ụrọ ọdịnala nke na-egbochi mmiri ịbanye, mmetụta ya na-egbochi mmiri ịbanye dị egwu karịa. Dịka ọmụmaatụ, n'okpuru otu nrụgide isi mmiri ahụ, oke mmiri na-asọfe na geomembrane bụ naanị obere akụkụ nke nke ahụ site na oyi akwa mgbochi mmiri ịbanye. - Arụmọrụ mgbochi mgbapu:
Mgbe a na-eji geomembranes eme ihe n'ime dam ndị dị n'ime mmiri, ihe ndị dị nkọ dịka nkume na alaka dị n'ime ahụ dam nwere ike ịgbawa ha. Ezigbo geomembranes nwere ike igbochi mgbawa dị elu. Dịka ọmụmaatụ, ụfọdụ geomembranes mejupụtara nwere akwa nkwado eriri dị n'ime nke nwere ike iguzogide mgbawa nke ọma. N'ikwu ya n'ozuzu, ike mgbochi mgbawa nke geomembranes ruru eru nwere ike iru 300 - 600N, na-eme ka ha ghara ịdị mfe imebi n'ebe dị mgbagwoju anya nke ahụ dam. - Nguzogide Ịka nká:
Ebe ọ bụ na ọdọ mmiri ndị a na-eji mmiri eme ihe na-adịte aka, geomembranes kwesịrị inwe ezigbo iguzogide ịka nká. A na-agbakwụnye ihe ndị na-egbochi ịka nká n'oge mmepụta nke geomembranes, nke na-eme ka ha nwee ike ịnọgide na-arụ ọrụ kwụsiri ike ruo ogologo oge n'okpuru mmetụta nke ihe ndị dị gburugburu ebe obibi dịka ụzarị ultraviolet na mgbanwe okpomọkụ. Dịka ọmụmaatụ, geomembranes ndị a na-eji usoro na usoro pụrụ iche eme ihe nwere ike ịdịru afọ 30 - 50 n'èzí. - Mgbanwe Mgbanwe:
Ọdọ mmiri ahụ ga-enwe mgbanwe ụfọdụ dịka ebe obibi na mbugharị n'oge usoro nchekwa mmiri. Geomembranes nwere ike ịgbanwe ọdịdị ndị dị otú ahụ na-enweghị mgbawa. Dịka ọmụmaatụ, ha nwere ike ịgbatị ma gbagọọ ruo n'ókè ụfọdụ yana ebe ahụ dam dị. Ike nrụgide ha nwere ike iru 10 - 30MPa, nke na-eme ka ha nwee ike iguzogide nrụgide nke mgbanwe nke ahụ dam kpatara.
Kness dịka mkpa ọrụ ahụ si dị. Ọkpụrụkpụ nke geomembrane na-abụkarị site na 0.3mm ruo 2.0mm.
- Enweghị ike ịbanye mmiri: Hụ na geomembrane ahụ nwere ezigbo ike ịbanye mmiri iji gbochie mmiri dị n'ime ala ịbanye n'ọrụ ahụ.
2. Isi ihe owuwu
- Ọgwụgwọ Ntọala:
Tupu e tinye geomembranes, ntọala nke dam ahụ ga-adị larịị ma sie ike. A ga-ewepụ ihe ndị dị nkọ, ahịhịa, ala na-adịghị mma na nkume ndị dị n'elu ntọala ahụ. Dịka ọmụmaatụ, a na-achọkarị ka achịkwa njehie dị larịị nke ntọala ahụ n'ime ±2cm. Nke a nwere ike igbochi geomembrane ka ọ ghara ịchacha ma hụ na e nwere ezigbo njikọ n'etiti geomembrane na ntọala ahụ ka e wee nwee ike ịrụ ọrụ mgbochi nsị ya. - Usoro Ịtọ:
A na-ejikarị njikọta ma ọ bụ ịgbado ọkụ na-ejikọta geomembranes. Mgbe a na-agbado ọkụ, ọ dị mkpa ijide n'aka na okpomọkụ, ọsọ na nrụgide ịgbado ọkụ kwesịrị ekwesị. Dịka ọmụmaatụ, maka geomembranes ndị a na-agbado ọkụ, okpomọkụ ịgbado ọkụ na-adịkarị n'etiti 200 - 300 °C, ọsọ ịgbado ọkụ dị ihe dị ka 0.2 - 0.5m/min, nrụgide ịgbado ọkụ dịkwa n'etiti 0.1 - 0.3MPa iji hụ na ịgbado ọkụ dị mma ma gbochie nsogbu ịgbado ọkụ nke ịgbado ọkụ na-akpata. - Njikọ Mgbidi:
Njikọ nke geomembranes na ntọala dam, ugwu ndị dị n'akụkụ abụọ nke dam ahụ, wdg. na mpụta dam ahụ dị oke mkpa. N'ozuzu, a ga-eji olulu ndị na-ejide ihe, mkpuchi simenti, wdg. mee ihe. Dịka ọmụmaatụ, a na-etinye olulu ndị na-ejide ihe nke dị omimi nke 30 - 50cm na ntọala dam ahụ. A na-etinye nsọtụ geomembrane ahụ n'ime olulu ndị na-ejide ihe ma jiri ihe ala ma ọ bụ simenti a kpara akpa dozie ya iji hụ na geomembrane ahụ jikọtara nke ọma na ihe ndị gbara ya gburugburu ma gbochie mmiri ịpụ apụ.
3.Ndozi na Nnyocha
- Nlekọta Oge Nile:
Ọ dị mkpa ka a na-enyocha ma e nwere mmebi, akwa, ntụpọ, wdg n'elu geomembrane ahụ. Dịka ọmụmaatụ, n'oge ọrụ nke dam ahụ, ndị ọrụ mmezi nwere ike ime nyocha otu ugboro n'ọnwa, na-elekwasị anya na ịlele geomembrane n'ebe mmiri na-agbanwe ugboro ugboro na ebe nwere nnukwu mmebi ahụ dam ahụ. - Ụzọ Nnyocha:
Enwere ike iji usoro nnwale na-anaghị emebi emebi, dịka usoro nnwale ọkụ. N'ụzọ a, a na-etinye voltaji ụfọdụ n'elu geomembrane. Mgbe mmebi nke geomembrane mebiri emebi, a ga-emepụta ọkụ, ka e wee nwee ike ịchọta ebe ndị mebiri emebi ngwa ngwa. Na mgbakwunye, e nwekwara usoro nnwale oghere. A na-emepụta oghere mechiri emechi n'etiti geomembrane na ngwaọrụ nnwale, a na-ekpebikwa ịdị adị nke ntapu na geomembrane site n'ileba anya na mgbanwe na ogo oghere oghere.
Paramita ngwaahịa
