Kuramba kwemamiriro ekunze ( Weather resistance) zvinoreva kusimba kwefirimu rinoputira hupfu kana rasangana nemhepo yekunze.
Anenge ese matraffic guardrails anoshandiswa panze. Mamiriro emuchadenga anosanganisira chiedza chezuva, okisijeni uye ozone, kupisa uye kutonhora kushanduka kwekushisa, mvura uye hunyoro hunoenderana, pamwe chete nehutachiona uye zvipembenene zvichakanganisa hupenyu hwebasa rejasi.
Traffic guardrails kazhinji inoda kushandiswa kunze kweanopfuura makore gumi pasina kubuda pachena, kutsemuka uye kutsemuka, uye kuchengetedza kutendeseka uye kushongedza kwefirimu rekuputira. Nokudaro, zvinodiwa nemamiriro ekunze ekupikisa kwehupfu zvakakosha zvikuru.
Chinhu chikuru chinokanganisa kusamira kwemamiriro ekunze chiedza chezuva. Muchiedza chezuva, simba rechiedza chete rine mawavelength e250 kusvika 1400 nm ndiro rinopenya pamusoro penyika. Pakati pavo, iyo wavelength ye780 kusvika 1400 nm infrared, inoverengera 42% kusvika 60% yeiyo yakazara solar radiation. Inonyanya kuburitsa simba rekupisa kune zvinhu; wavelength ye380 kusvika 780 nm chiedza chinooneka. , inoverengera 39% kusvika 53% yehuwandu hwemwaranzi yezuva, inonyanya kukanganisa zvinhu kuburikidza nekupisa kwesimba uye kuita kwemakemikari; ultraviolet mwenje ine wavelength ye250 ~ 400nm inonyanya kukanganisa zvinhu kuburikidza nekuita kwemakemikari.
Miedzo yakaratidza kuti chinoparadza zvakanyanya pamapolymer resins ndeye ultraviolet mwaranzi ine wavelength ye290 kusvika 400 nm, kunyanya ultraviolet mwaranzi ine wavelength ingangoita 300 nm, inova chinhu chikuru chinotungamira mukuipa kwepololefin resin.
Tembiricha inokanganisa kusamira kwemamiriro ekunze. Kune yega yega 10 ° C kuwedzera kwekushisa, iyo photochemical reaction rate inopeta kaviri.
Pamusoro pekukonzera hydrolysis reaction uye kunyura kwemvura deformation yefirimu yekuputira, mvura inonaya zvakare ine kukukurwa uye kukanganisa mhedzisiro. Mvura inogona kugeza tsvina uye zvigadzirwa zvekuchembera panzvimbo yekuchengetedza, asi inoderedza kudzivirira uye inomhanyisa maitiro ekuchembera.
Kuvandudza kupikisa kwemamiriro ekunze kwehupfu kunoreva kudzidza zvinhu zvinokonzeresa kushatisa kwefirimu uye kutsvaga matanho ekugadzirisa matambudziko. Mumakore achangopfuura, nyika yangu yehupfu yakaputira yakaita basa rakawanda rinobereka zvibereko mukusarudzwa kwezvinhu zvakasvibirira, kuwedzera kwekugadzirira, kusanganisa, extrusion uye kupwanya, izvo zvakagadzirisa zvakanyanya kupikisa kwemamiriro ekunze kwehupfu.
Zvisinei, inofanira kutaurwa kuti hutano huripo hwekugadzirwa kwehupfu munyika yangu hauna kuenzana, nekusiyana kukuru. Vagadziri vashoma vanongotsvaga purofiti, vanowedzera zvakadzokororwa, zadza nezvinodhura zvakachipa, kushaya nzira dzekuongorora, uye kuve nemhando yakaderera yechigadzirwa. Hupfu huchachinja ruvara uye kutsemuka mukati menguva pfupi mushure mekupfeka. , uye yakanaka poda-yakavharidzirwa traffic guardrail inogona zvechokwadi kusvika kupfuura 10a yekushandiswa kunze.
Muedzo wekupokana nemamiriro ekunze unowanzo shandisa bvunzo yekuchembera yekuchembera uye bvunzo yemamiriro ekunze ekunze. Muedzo wekuchembera wekugadzira unotevedzera mamiriro emuchadenga wobva waienzanisa nemuenzaniso. Inogona chete kuverenga iyo yakaenzana yekunze nguva yekuchembera. Mhedzisiro yekuongororwa kwechisikigo inotaridzika chaizvo, asi inotora nguva yakareba.
Nguva yekutumira: Zvita-12-2023