Wave beam guardrails, ịbụ ụdị dị ịrịba ama nke ihe mgbochi ọkara, bụ nke a na-eme site na nchara nchara na-ejikọta ma na-akwado site na posts. A na-emepụta okporo ụzọ nche ndị a ka e jiri ya mee ihe na mpụga ebe, ebe a na-ekpuchi ha na ọnọdụ ikuku dị ka ìhè anyanwụ, oxygen, ozone, mgbanwe okpomọkụ, mmiri na iru mmiri, na ọbụna microorganisms na ụmụ ahụhụ; ihe ndị a niile nwere mmetụta na ndụ nke mkpuchi nchebe.
Oghere nche nke ebili mmiri na-arụ ọrụ na-abụkarị afọ 5 ruo 10 mgbe agba anaghị agbanwe nke ọma, na-enweghị mgbawa na ihe ndị ọzọ dị n'elu. A na-echekwa ihe ịchọ mma na iguzosi ike n'ezi ihe nke ihe nkiri mkpuchi ya nke ọma; ya mere, nguzogide ihu igwe nke mkpuchi ntụ ntụ dị oke mkpa.
Mgbochi ihu igwe bụ ikike nke mkpuchi ntụ ntụ iji nagide ọnọdụ ikuku mgbe ejiri ya mee ihe n'èzí. Akụkụ dị mkpa bụ okpomọkụ. Ọnụego mmeghachi omume photochemical na-abawanye okpukpu abụọ maka mmụba okpomọkụ Celsius iri ọ bụla. N'ime ogologo ebili mmiri niile nke radieshon anyanwụ, ogologo wavelength dị n'etiti 250-1400nm ruru ụwa. Nke infrared radieshon (780-1400nm) na-enye 42-60% nke ngụkọta anyanwụ radieshon, tumadi emetụta mode nke okpomọkụ na ihe. Ìhè a na-ahụ anya (380-780nm), nke na-etolite 39-53% nke ngụkọta radieshon anyanwụ, na-emetụta ihe n'ụdị okpomọkụ na mmeghachi omume kemịkal. Ultraviolet radieshon (250-400nm) na-emetụta ihe site na ọrụ fotochemical. Achọpụtara ya site n'ọmụmụ ihe dị iche iche na radieshon ultraviolet kachasị na-emebi na resin polymer bụ ogologo n'etiti 290-400 nm na nke kachasị dị irè na ihe dịka 300nm. Ezinụlọ a nke ogologo ebili mmiri bụ maka mmebi nke resin polyolefin.
Ya mere, nchedo ihu igwe nke mkpuchi ntụ ntụ nwere ike ịkwalite site na ndị na-ekewapụ ihe na-eduga na mmebi nke mkpuchi na usoro nhazi ha. Karịsịa n'ime afọ ndị na-adịbeghị anya, nhọrọ akụrụngwa na ihe mgbakwunye, ngwakọta na extrusion, yana usoro egweri na ihe ndị ọzọ, enwewo ọganihu dị ukwuu na China, na-eme ka ọ dịkwuo mma nke iguzogide ihu igwe.
Otú ọ dị, otu isi ihe a ga-ekwu bụ na àgwà dịgasị iche iche n'etiti ndị na-emepụta ntụ ntụ na China. Ụfọdụ n'ime ha na-eche banyere uru karịa ịdị mma, igbutu ọnụ ahịa, imegharị ngwa ngwa, na ịgbakwunye ihe mgbakwunye ọnụ ala nke a na-anwalebeghị nke ọma. Ihe si na ya pụta bụ mkpuchi adịghị mma nke na-ada ada ma na-agbawa n'oge. N'ụzọ dị iche, ezigbo mkpuchi ntụ ntụ dị mma nwere ike inye aka idobe ihe nchebe nke ebili mmiri na-arụ ọrụ maka afọ 5-10 na ogologo oge.
Ka ọ dị ugbu a, mmiri ozuzo nwere ike ịmalite hydrolysis na mmịpụta mmiri, nke na-emebi ihe nkiri mkpuchi. N'otu oge ahụ, ọ nwekwara ike ịsacha unyi na ngwaahịa ịka nká site na ebe nchekwa, na-ebelata ọrụ nchebe na usoro ịka nká.
Enwere ike nyochaa nguzogide ihu igwe site na iji nnwale ihu igwe gbagoro agbagoro na nke okike. Site na ule ihu igwe gbagoro agbagoro, enwere ike nweta amụma gbasara oge ịka nká kwekọrọ gbasara mmetụta ikuku. N'iji ya tụnyere, ule ikpughe eke ga-enweta nsonaazụ ezi uche karịa; Otú ọ dị, ule ndị a ga-ewe oge dị ukwuu.
