Kedu ka ike ọgwụgwụ nke geogrid si dị mma

Akụkọ

Geogrid na-eji eriri polyester siri ike ma ọ bụ eriri polypropylene dị ka ihe akụrụngwa, ma na-anakwere nhazi nhazi nke akpa akwa.The warp na weft yarn na ákwà na-enweghị na-ehulata, na njikọ njikọ na-ejikọta na elu-ike fiber filament na-eme ka a siri ike nkwonkwo, na-enye zuru ezu egwuregwu ya n'ibu Njirimara.Ị maara ka ike ọgwụgwụ ya si dị mma?
Isi ihe dị na asphalt machie na pavment simenti ochie bụ iji kwalite ọrụ ngwa nke pavement, mana ọ naghị etinye aka na mmetụta na-ebute.Pavement siri ike nke dị n'okpuru ihe mkpuchi ahụ ka na-arụ ọrụ dị mkpa n'ibu.Ihe mkpuchi asphalt dị na pavement asphalt ochie dị iche.Ihe mkpuchi nke asphalt ga-ebu ibu ya na pavement asphalt ochie.Ya mere, ihe mkpuchi nke asphalt na pavement konkịtị ga-eweta ọ bụghị naanị mgbawa ntụgharị, kamakwa ike ọgwụgwụ n'ihi mmetụta dị ogologo oge nke ibu.Ka anyị leba anya na nrụgide nke asphalt machie na pavement ochie nke asphalt: n'ihi na mkpuchi asphalt bụ pavement na-agbanwe agbanwe nke nwere otu ọdịdị dị ka ihe mkpuchi nke asphalt, elu okporo ụzọ ga-atụgharị ma ọ bụrụ na etinyere ya mmetụta ibu.Ihe mkpuchi asphalt na-emetụ wiil ahụ ozugbo nọ n'okpuru nrụgide, na elu na-enwekwa esemokwu na mpaghara gafere oke nha wheel.N'ihi na ihe ndị dị ike nke mpaghara abụọ ahụ na-akpata nchekasị dị iche iche ma dị nso na ibe ha, njikọ nke mpaghara abụọ ahụ na-akpata nchekasị, ya bụ, mgbanwe mberede nke ike, dị mfe imebi.N'okpuru mmetụta nke ibu ogologo oge, ike ọgwụgwụ na-eme.
N'ime ihe mkpuchi asphalt, geotextile nwere ike ịtọpụ nrụgide mkpakọ dị n'elu yana nrụgide tensile, wee mepụta mpaghara nchekwa n'etiti mpaghara abụọ na-ebu nrụgide.N'ebe a, nchekasị na-agbanwe nwayọọ nwayọọ kama na mberede, na-ebelata mmebi nke ihe mkpuchi nke asphalt nke mgbanwe nrụgide mberede kpatara.Obere elongation nke iko fiber geogrid na-ebelata nkwụsị nke pavement ma hụ na pavment ahụ agaghị ata ahụhụ site na ngbanwe mgbanwe.
A na-eji polymer (polypropylene PP ma ọ bụ polyethylene HDPE wepụ ya n'ime mpempe akwụkwọ dị mkpa), wee tụọ ya n'ahịhịa mgbe niile, wee gbatịa ogologo oge.N'ime usoro a, polymer nọ n'ọnọdụ kwụ ọtọ, na-eme usoro netwọk oval ogologo na nkesa otu na ike ọnụ elu.
Grid unidirectional bụ ụdị geosynthetics siri ike dị elu, nke enwere ike kewaa n'ime grid polypropylene unidirectional na grid polyethylene unidirectional.
Uniaxial tensile geogrid bụ ụdị geotextile siri ike nke nwere polymer dị elu dị ka isi akụrụngwa, agbakwunyere ya na ụfọdụ ihe mgbochi ultraviolet na mgbochi ịka nká.Mgbe ndọtị na-enweghị isi, a na-atụgharịgharị mkpụrụ ndụ yinye ndị mbụ ekesara gaa n'ọnọdụ kwụ ọtọ, wee pụta n'ime efere dị mkpa, na-emetụta ntupu a na-ahụkarị, wee gbatịa ogologo oge.Sayensị ihe onwunwe.
N'ime usoro a, a na-eduzi polymer site na steeti linear, na-eme usoro netwọk ogologo elliptical na nkesa otu na ike ọnụ elu.Ihe owuwu a nwere nnukwu ike ike na modul.Ike nkwụsịtụ bụ 100-200Mpa, dị nso na ọkwa nke obere carbon ígwè, nke dị mma karịa omenala ma ọ bụ ihe nkwado dị ugbu a.
Karịsịa, ngwaahịa a nwere ọkwa mba ụwa n'oge dị oke elu (mgbatị nke 2% - 5%) ike ike na modul.Ọ na-enye usoro dị mma maka ntinye ala na mgbasa.Ngwaahịa a nwere nnukwu ike tensile (> 150Mpa) yana ọdabara maka ala dị iche iche.Ọ bụ ụdị ihe agbam ume a na-ejikarị eme ihe ugbu a.Njirimara ya bụ isi bụ ike dị elu, arụmọrụ dị mma, ihe owuwu dị mma na ọnụ ala dị ala.


Oge nzipu: Jan-07-2023