Geosynthetics bụ ụdị ọhụrụ nke ihe eji arụ ọrụ geotechnical, nke enwere ike iji polymers eke ma ọ bụ nke mmadụ mere (plastic, fiber chemical, roba sịntetik, wdg) ma tinye ya n'ime, n'elu ma ọ bụ n'etiti ala dị iche iche iji wusie ma ọ bụ chebe ya. ala.
Ka ọ dị ugbu a, a na-eji geotextiles eme ihe n'okporo ụzọ, ụgbọ okporo ígwè, nchekwa mmiri, ọkụ eletrik, ihe owuwu, ọdụ ụgbọ mmiri, ogbunigwe, ụlọ ọrụ agha, nchebe gburugburu ebe obibi na mpaghara ndị ọzọ.Ụdị dị iche iche nke geosynthetics gụnyere geotextiles, geogrids, geogrids, geomembranes, geogrids, geo composites, bentonite mat, geological slopes, geo foam, etc. Na ngwa injinia, Geotextiles nwere ike iji naanị ya ma ọ bụ jikọtara ya na geogrids, geomembranes, geogrids na ndị ọzọ. ihe mejupụtara geo.
Ka ọ dị ugbu a, akụrụngwa nke geotextiles bụ nke sitere na sịntetik, nke a na-ejikarị bụ polyester fibers na polypropylene fibers, nke polyamide fibers na polyvinyl acetal fibers sochiri ya.
Polyester fiber nwere ezigbo ihe anụ ahụ na akụrụngwa, ezigbo ike na ihe na-akpụ akpụ, ebe mgbaze dị elu, nguzogide oke okpomọkụ, nguzogide ịka nká, teknụzụ mmepụta tozuru oke na oke ahịa.Ihe ọghọm ndị na-adịghị mma bụ hydrophobicity na-adịghị mma, dị mfe ịkwakọba condensate maka ihe mkpuchi ọkụ, arụmọrụ dị ala na-adịghị mma, dị mfe vitrify, ike belata, acid na-adịghị mma na nguzogide alkali.
Polypropylene eriri nwere ezigbo ngbanwe, na ngwa ngwa ngwa ngwa na resilience dị mma karịa eriri polyester.Ezi acid na alkali na-eguzogide, na-eyi nguzogide, mildew na-eguzogide na obere okpomọkụ na-eguzogide;Ọ nwere ezigbo hydrophobicity na mmiri absorption, ma nwee ike ịnyefe mmiri n'elu elu n'akụkụ eriri eriri.Njupụta dị ntakịrị, naanị 66% nke eriri polyester.Mgbe ọtụtụ oge nke idepụtachara, enwere ike nweta fiber denier dị mma nwere nhazi kọmpat yana arụmọrụ dị elu, ma mgbe usoro iwusi ike, ike ya nwere ike ịdị elu karịa.Mwepu bụ elu okpomọkụ na-eguzogide, nro nro nke 130 ~ 160 ℃, ogbenye ìhè eguzogide, mfe decompose na anyanwụ, ma UV absorbers na ndị ọzọ nwekwara ike ịgbakwunye na-eme ka ọ UV eguzogide.
Na mgbakwunye na eriri ndị a dị n'elu, enwere ike iji jute fibers, polyethylene fibers, polylactic acid fibers, wdg. nwekwara ike iji dị ka akụrụngwa maka geotextiles na-adịghị kpara akpa.Eriri eke na eriri pụrụ iche ejirila nke nta nke nta banye na mpaghara ngwa dị iche iche nke geotextiles.Dịka ọmụmaatụ, ejirila eriri sitere n'okike (jute, aki oyibo, fiber bamboo pulp, wdg) mee ihe na subgrade, drainage, nchebe ụlọ akụ, igbochi mbuze ala na ubi ndị ọzọ.
Ụdị geotextile
Geotextile bụ ụdị geotextile nwere ike ime ka ọ bụrụ ihe eji eme fibers polymer site na ịpị ọkụ, cimentation na ịkwa akwa, nke a makwaara dị ka geotextile, gụnyere ịkwa akwa na ndị anaghị akpa.
Ngwaahịa geotextile kpara nke ọma gụnyere ịkwa akwa (akpa nkịtị, akwa okirikiri), ịkpa akwa (akpa akwa, twill), ịkpa akwa (ịkpa akwa, akwa agịga) na usoro mmepụta ndị ọzọ.
Geotextiles na-adịghị kpara akpa gụnyere usoro mmepụta dị ka usoro nkwado igwe (usoro acupuncture, usoro ịkpọpu mmiri), usoro njikọ kemịkalụ (usoro ịgbanye gluu, usoro impregnation), usoro njikọ agbaze ọkụ (usoro ịgbagharị ọkụ, usoro ikuku ọkụ), wdg.
Geotextile kpara akpa bụ geotextile izizi ewebata, mana ọ nwere oke nke ọnụ ahịa dị elu yana arụmọrụ adịghị mma.N'ọgwụgwụ 1960s, ewebata geotextiles na-abụghị kpara akpa.Na mmalite 1980s, China malitere iji ihe a na ụlọ ọrụ injinia.N'ịbụ ndị a na-ewu ewu nke agịga na-akụ ihe ndị na-abụghị nke na-adịghị mma na spunbonded nonwovens, mpaghara ngwa nke nonwoven dị ukwuu karịa nke geotextiles mebiri emebi, ma tolite ngwa ngwa.China azụlitela ka ọ bụrụ nnukwu onye na-emepụta Nonwovens n'ụwa, ma jiri nwayọọ nwayọọ na-agakwuru onye nrụpụta ike.
Geotextile filtration, ogbugba mmiri n'ubi, iche, mkwado, seepage mgbochi, mgbochi ọrịa, ìhè arọ, elu tensile ike, ezi penetration na ala okpomọkụ na-eguzogide, oyi na-eguzogide, ịka nká, mgbochi corrosion, mgbanwe na na, na-eji n'ọtụtụ ebe na ubi dị iche iche.Ndụ nke magburu onwe ọrụ metropolis nwa oge kpamkpam na-egosi na ọ dịghị ọzọ ọrịa.
Kedu ihe kpatara ekwesịrị iji rụọ ọrụ ndekọ aha kpọmkwem tupu owuwu geotextile?Ọtụtụ novice technicians amabeghị nke ọma banyere nkọwa nkọwa nke geotextiles tupu ewu.Ọ dabere na nkwekọrịta atụmatụ na usoro ngụ ihe owuwu.N'ozuzu, a na-agbakọ ya dịka mpaghara ahụ si dị.Ịkwesịrị ịṅa ntị na mkpọda ahụ.Ịkwesịrị iji ọnụọgụ mkpọda mụbaa ya.
Oge nzipu: Jul-21-2022