Mukuvaka kwemazuva ano, rebar inzvimbo huru, ichiita basa guru mune zvese kubva pazvivakwa zvirefu kusvika kumigwagwa inomonereka. Hunhu hwayo hwakasiyana hunoita kuti ive chinhu chakakosha pakuona kuchengetedzeka uye kugara kwenguva refu kwechivako.
Rebar, zita rinowanzo shandiswa pakugadzira simbi dzine ribbed ribbed, rinobva pachinhu chine ribbed pamusoro. Chikamu chayo chepakati chinowanzo tenderera, ine mbabvu mbiri dzakareba uye mbabvu dzakareba zvakaenzana. Mbabvu dzakareba dzakaita secrescent uye hadzisangani nembabvu dzakareba. Magadzirirwo aya akasiyana epamusoro haangosimbisi chete kubatana pakati pe rebar nekongiri asiwo anowedzera simba rayo rekusimba uye kugadzikana kwese muzvivakwa zvekuvaka. Rebar inowanzo gadzirwa nesimbi yekuvaka ine kabhoni kana simbi yekuvaka isina alloy uye inouya nedhayamita dzakasiyana-siyana, kubva pa6 mm kusvika 50 mm, kuti ikwane zvinodiwa zvakasiyana zvekuvaka.
Rebar ine hunhu hwakanaka hwemakanika, ichishandisa zvizere hunhu hwemakanika hwesimbi panguva yekumanikidzwa, zvichiita kuti ive yepamusoro pane rebar yakajairika. Pamusoro payo panogadzirwa kuti pave ne oxide layer yakakora, iyo inopa kudzivirira ngura uye inowedzera hupenyu hwayo hwekushanda. Inogonawo kuchekwa zviri nyore kusvika pakureba kwaunoda kuburikidza nekugadzira, zvichiita kuti mabasa ekuvaka ave nyore.
Rebar inorongwa nenzira dzakasiyana-siyana. Zvichienderana nechiyero cheChinese (GB1499), rebar yakakamurwa kuita magiredhi matatu zvichienderana nesimba (nzvimbo yekukura/simba rekudhonza): HRB335, ine simba re335 MPa, yakakodzera zvivakwa zvekuvaka; HRB400, ine simba re400 MPa, yakakodzera zvivakwa zvinotakura mitoro yakakura; uye HRB500, ine simba re500 MPa, inopa simba rakakwirira rekudhonza uye rekutenderera, yakakodzera mapurojekiti ehunyanzvi einjiniya. Rebar inogona kukamurwa kuita magiredhi anodhonzwa nekupisa uye anodhonzwa nechando zvichienderana nenzira yayo yekugadzira. Rebar inodhonzwa nekupisa inogadzirwa kubva pamapepa esimbi anodhonzwa kana kuti anodhonzwa pakutanga, zvichipa zvakanakira zvakaita sekusimba kwakakwirira, ductility yakanaka, uye kunamira kwakanaka kune kongiri. Rebar inodhonzwa nechando, kune rumwe rutivi, inogadzirwa kubva kuma coil anodhonzwa nekupisa, anotorwa kuti abvise scale, uye anodhonzwa nechando. Inoratidzawo simba rakakwirira, ductility yakanaka, uye simba rakasimba rekubatanidza nekongiri. Nekushandisa, inogona kukamurwa kuita mitsetse yakajairika yekongiri yakasimbiswa uye mitsetse yakagadziriswa nekupisa yekongiri yakasimirwa.
Rebar inoshandiswa mumabasa akasiyana-siyana ekuvaka neinjiniya. Muzvivakwa zvekuvaka, inowanzoshandiswa kusimbisa nekubatanidza matanda, makoramu, matombo esimbi, nezvimwe zvinhu muzvivakwa zvekongiri yakasimbiswa, zvichiwedzera kugadzikana kwavo uye kugona kwavo kutakura mutoro. Muinjiniya yezvivakwa, inoshanda sechisimbiso uye chinobatanidza mumabhiriji, matuneri, nemigwagwa mikuru, zvichivandudza kugadzikana kwavo uye kuramba kudengenyeka kwenyika. Muinjiniya yenjanji, inoshandiswa kuchengetedza nekubatanidza njanji, zvichiita kuti ishande zvakanaka. Mukuchera, inowanzoshandiswa sechisimbiso uye chinotsigira, ichitsigira matenga emugodhi nemadziro. Inotoshandiswa mukushongedza zvivakwa kugadzira zvinhu zvekushongedza zvakaita sema handrails, railings, uye masitepisi, zvichibatanidza runako nekugara kwenguva refu.
Kugadzira simbi dze ...
Rebar ine chinzvimbo chakakosha mumusika. Inoshanda sechiratidzo chikuru chebudiriro yeindasitiri yekuvaka, uye kuchinja kwemitengo yayo kune simba rakananga kumakambani ari kumusoro neari pasi muchikamu cheindasitiri yesimbi. Kune vagadziri vesimbi, kukwira kwemitengo ye rebar kunoshandura purofiti yakakwira; kumakambani ekuvaka ari pasi nevanovandudza dzimba, kuchinja kwemitengo kunokanganisa zvakananga mitengo yekuvaka. Muna 2023, mitengo ye rebar yenyika yangu yakachinja-chinja pakati pe3,600 ne4,500 yuan/tani, zvichikwira pakati paKurume. Kubva pakupera kwaKurume kusvika pakupera kwaChivabvu, data rezvivakwa harina kusvika pane zvaitarisirwa pamusika. Pamwe chete nekuderera kwemitengo yemarasha emunyika mushure mekureruka kwedambudziko remagetsi kunze kwenyika, mitengo ye rebar yakaderera nekukurumidza. Muna Mbudzi, nhevedzano yemitemo, kusanganisira iyo ine chekuita nemabhiriyoni ehurumende e trillion-yuan nezvivakwa, yakawedzera zvakanyanya manzwiro emusika uye yakatungamira mukukwira kwemitengo ye rebar. Panguva iyi, mamiriro ekunze akanaka mumusika wekumaodzanyemba akatungamira kune mamwe mabasa ekumhanya-mhanya, asi kudiwa kwacho kuchiri kwakasimba. Muna Zvita, zvichikonzerwa nekukwira kwemitengo yezvinhu zvakagadzirwa uye mitemo yezvehupfumi, mitengo ye rebar yakachinja-chinja inosvika 4,100 yuan/tani, kusvika 4,090.3 yuan/tani musi wa29 Zvita.
Rebar, hwaro hwakasimba hwemapurojekiti ekuvaka, inopenya munzvimbo dzakasiyana-siyana nekuda kwehunhu hwayo hwakasiyana, ichipesvedzera kukura kweindasitiri yekuvaka. Icharamba ichichinja nekufambira mberi kwetekinoroji uye kukura kweindasitiri.
Nguva yekutumira: Nyamavhuvhu-18-2025