Munyika ine simba yekuvaka nekugadzira, makoiri esimbi anomira pachena sesarudzo inofarirwa nevakawanda. Kuzivikanwa kwavo kunobva mukuramba kwavo kukorona, uko kwakakosha kune zvimiro zvakafumurwa nemamiriro ekunze akaomarara. Nekudaro, rwendo rwekubva pakusarudza iyo chaiyo galvanized simbi coil kusvika pakushandiswa kwayo yakazara nematambudziko. Chinyorwa ichi chinotarisa mumatambudziko akajairika mukutenga kwesese kwesese kwemakoiri esimbi uye chinopa ruzivo rwemafambisirwo nemazvo.
Kunzwisisa kushanduka kwemusika
Musika wepasi rose we galvanized simbi coils yakaona kukura kwakakura mumakore achangopfuura, zvichifambiswa nekuwedzera kuri kuda kubva kumatunhu akasiyana, anosanganisira kuvaka, mota, uye midziyo. Iyi yekukura trajectory inotarisirwa kuenderera mberi, nehukuru hwemusika hunofungidzirwa kusvika pamadhora mazana maviri nemakumi mashanu emadhora panosvika 2025, ichikura paCAGR ye5.2% kubva 2020 kusvika 2025.
Pane zvinhu zvakawanda zvinoita kuti uku kuwedzere. Chekutanga, kusimukira kweindasitiri yekuvaka, kunyanya mune hupfumi huri kusimukira, kwakonzera kuwanda kwekudiwa kwemakoiri esimbi. Aya makoiri anosarurwa pakusimba kwawo uye kuramba ngura, achiita kuti ave akakodzera kumatenga, siding, uye zvimwe zvimiro zvekushandisa. Kechipiri, kushanduka kwechikamu chemotokari kuenda kuzvinhu zvikareruka uye zvisingadzivirirwe necorrosion kwawedzera kuwedzera kudiwa kwesimbi.
Nekudaro, iyo indasitiri haina matambudziko ayo. Kuchinja-chinja kwemitengo yezvinhu, kunyanya zinc, kwakanganisa purofiti yevagadziri nevatengesi. Pamusoro pezvo, kusawirirana kwekutengeserana kuri kuramba kuchiitika uye mitero yakatemerwa pazvigadzirwa zvesimbi zvakakonzera kukanganisa kwekutengesa, kukanganisa kuwanikwa uye mitengo. Semuyenzaniso, hondo yekutengeserana yeUS-China yakakonzera mutero we25% pasimbi inotengeswa kunze kwenyika, zvichikonzera shanduko yekutsvagisa nzira dzemakambani mazhinji.
Munzvimbo ino yemakwikwi, kunzwisisa nuances yemusika kunova kwakakosha kumabhizinesi ari kutsvaga kutenga galvanized steel coils. Hazvisi zvekungowana dhiri yakanaka; ndezvekuvimbisa mhando, kuenderana, uye kuvimbika mukupihwa.
Kukosha kwehutano pamusoro pehuwandu
Munzvimbo yemakoiri esimbi, kunaka hakusi kungotaura; chinhu chakakosha chinotemesa kuita kwechigadzirwa uye kurarama kwenguva refu. Kune mabhizinesi, zvinorehwa nekukanganisa pamhando zvinogona kutyisa, zvichitungamira mukutadza kwemaitiro, kuwedzera mari yekugadzirisa, uye njodzi dzinogona kuitika.
Kukosha kwekuomerera kumitemo yenyika hakugoni kupfuudzwa. Masangano akaita seASTM, ISO, uye EN akaisa maitiro ekuyedza uye zvitupa kuti ave nechokwadi chemhando yezvigadzirwa zvesimbi. Semuyenzaniso, ASTM A653/A653M ndeye yakajairwa simbi pepa, zinc-yakavharwa (galvanized) neinopisa-dip maitiro ezvigadzirwa zvemarata. Kutevedzera zviyero zvakadaro kunovimbisa kuti makoiri esimbi ane anodiwa emuchina zvivakwa, uremu hwekuputira, uye kuumbwa kwekemikari kuti aite zvakakwana mukushandisa kwavo kwavanoda.
Nekudaro, rwendo rwekuve nechokwadi chemhando yakazara nematambudziko. Imwe yematambudziko ekutanga ndeye tsika yekuisa pamberi mutengo pane kunaka. Mukuda kuderedza mitengo, mamwe mabhizinesi anogona kusarudza zvakachipa, subpar zvigadzirwa. Iyi nzira yekuona pfupi inogona kutungamirira kune zvakakosha zvenguva refu mari. Semuenzaniso, chidzidzo chakaitwa neNational Association of Home Builders chakawana kuti muvhareji wemutengo wekutadza kwemumba mumba waive madhora zviuru makumi mana. Kukundikana kwakadaro kunogona kazhinji kurondwa shure kwekushandiswa kwezvinhu zvakaderera.
Chimwe chikanganiso chakajairika kushaikwa kwekuyedzwa kwakakwana uye kuongororwa. Nepo vazhinji vatengesi vachipa zvitupa, zvakakosha kuti mabhizinesi aite kushingaira kwavo. Kubatanidza vechitatu-bato rekuongorora masangano kuti vaone kunaka kwesimbi coils kunogona kuchengetedza makambani kubva mukurasikirwa kunogona kuitika. Zvakare, kuongororwa nguva dzose kwevatengesi kunogona kuve nechokwadi chekuti vanotevedzera zvakabvumiranwa-pane zvakatemwa uye zviyero.
Kufambisa kuoma kwezvinhu zvesimbi
Galvanized steel coils haisi imwe-saizi-inokodzera-yese mhinduro. Ivo vanouya mumagiredhi akasiyana, rimwe nerimwe rakarongedzerwa kune chaiwo maapplication. Kunzwisisa mamakisi aya uye zvazvinoreva kwakakosha kuti mabhizinesi aite sarudzo dzine ruzivo rwekutenga.
Iwo magiredhi akasiyana emagalvanized simbi coils anonyanya kutariswa nehuremu hwekuputira, hunova ukobvu hwezinc layer. Uremu hwekuputira uku hwakakosha sezvo huchikanganisa kupikisa kwesimbi kune ngura. Semuyenzaniso, G90 galvanized simbi coil, ine huremu hwekuvharisa hwe0.90 oz/ft², inopa kusimba kwepamusoro kwekuora kana ichienzaniswa nekoiri yeG60, ine huremu hwekupotera hwe0.60 oz/ft². Misiyano yakadaro haisi yedzidzo chete; vane zvinorehwa nenyika chaiyo. Ongororo yakaitwa neAmerican Galvanizers Association yakaratidza kuti zvivakwa zviri mumahombekombe egungwa, kana zvakavakwa nesimbi yeG90, zvine hupenyu hwekuwedzera ne20% zvichienzaniswa neakavakwa neG60 simbi.
Kupfuura uremu hwekuputira, iyo mechanical properties yesimbi yakakosha zvakaenzana. Zvinhu izvi, kusanganisira kusimba kwegoho, kusimba kwesimba, uye kurebesa, zvinotarisa kugona kwesimbi kutsungirira kushushikana uye deformation. Semuenzaniso, coil yesimbi ine simba regoho re50,000 psi inogona kunge yakakodzera padenga rekushandisa, nepo imwe ine simba regoho re70,000 psi ingave yakanyatsokodzera kune zvimiro zvemukati. Zvinorehwa nekusarudza giredhi risirizvo zvinogona kudhura. Nyaya iripo ndeye kuputsika kwechivako chakaumbwa nesimbi muChina muna 2009, icho chainzi chakakonzerwa nekushandiswa kwesimbi isingaenzaniswi iine michina isina kukwana.
Nekudaro, iwo akaomarara haapere nekunzwisisa mamakisi. Iyo procurement process pachayo inogona kunge iri minefield. Mabhizinesi mazhinji anowira mumusungo wekuvimba chete nekurudziro dzevatengesi, pasina kuita tsvakiridzo yavo. Izvi zvinogona kukonzera kusawirirana pakati pezvinhu zvesimbi uye zvinodiwa neprojekiti. Semuyenzaniso, chirongwa chekuvaka muDubai chakatarisana nekunonoka kukuru uye kuwanda kwemitengo pazvakaonekwa kuti macoil esimbi aipihwa haana kusangana nezvinodiwa zvekurebesa, zvichikonzera kunetsa mukugadzira.
Kuti ufambise izvi zvakaomarara, mabhizinesi anofanirwa kukoshesa dzidzo uye kushingaira kwakakodzera. Kudyidzana nenyanzvi dzeindasitiri, kuenda kumashopu, uye kuita tsvakiridzo yakakwana kunogona kupa vashandi vekutenga neruzivo rwavanoda. Pamusoro pezvo, kukurudzira kutaurirana kwakajeka nevatengesi, kuve nechokwadi chekuti vanonzwisisa zvinodikanwa uye zviyero zvepurojekiti yega yega, zvakakosha. Kugara uchiongorora uye kuongorora kunogona kuwedzera kuve nechokwadi chekuti simbi dzakatengwa coils dzinosangana neyakabvumiranwa-pane zvakatemwa.
Kuvaka hukama hwakasimba hwevatengesi
Kutengwa kwemakoiri esimbi hakungori hukama hwekutengeserana; kudyidzana kunoda kuvimbana, pachena, uye kunzwisisana. Kuvaka nekuchengetedza hukama hwakasimba nevashambadziri kunogona kuve mutsauko pakati pekutenga zvisina musono nemakomba anodhura.
Rimwe rematambudziko ekutanga muhukama hwevatengesi kuve nechokwadi chekuenderana uye kuburitsa. Muindasitiri yesimbi, uko kudiwa kunogona kushanduka uye nguva dzekutungamira dzinogona kureba, kunyangwe kutsauka kudiki mumhando kana kunonoka kuburitsa kunogona kuve nemhedzisiro yakakura. Semuenzaniso, chimwe chirongwa chikuru chekuvaka muNew York chakatarisana nekunonoka kwemwedzi mitanhatu nekuda kwekutadza kwemutengesi kuendesa giredhi yesimbi yakatarwa panguva. Izvi hazvina kungowedzera mari chete asiwo zvakakanganisa hukama pakati pekontrakta nemutengi.
Rimwe dambudziko rinowanzoitika kushaikwa kwekubuda pachena mukukurukurirana. Vazhinji nyanzvi dzekutenga zvinhu vanotsamira pane nguva nenguva zvigadziriso uye mishumo kubva kune vatengesi, izvo dzimwe nguva zvinogona kurasisa. Imwe nzira yekukurumidza inosanganisira yenguva dzose kuongororwa uye kuongorora, uko zvikwata zvekutenga zvinogona kuona mhando uye zvakatemwa zvesimbi coils. Kubatana nevechitatu-bato rekuongorora masangano anogona kuenderera mberi nekusimudzira maitiro aya, kuve nechokwadi chekuongorora kusingaite.
Uyezve, zvakakosha kukurudzira tsika yekubatana uye kukura pamwe chete. Izvi zvinosanganisira kugovana ruzivo, matambudziko, uye mhinduro. Semuyenzaniso, kana mutengesi akatarisana nezvimhingamipinyi mukuzadzisa chimwe chinodikanwa, zvinobatsira kuti boka rekutenga riziviswe pachine nguva. Izvi zvinobvumira kudyidzana kugadzirisa matambudziko, kuve nechokwadi chekuti mapato ese ari maviri anogona kufambisa matambudziko pamwechete.
Mukupedzisa, nepo kutengwa kwesimbi dzesimbi kungaita sekwakatwasuka, kuzere nematambudziko. Nekudaro, nekuisa pamberi pemhando, kunzwisisa zvakatemwa, uye nekusimudzira hukama hwakasimba hwevatengesi, mabhizinesi anogona kufambisa zvipingamupinyi izvi uye kuona kubudirira kwekutenga.
Mhedziso
Kutengwa kwemakoiri esimbi chinhu chakakosha kumabhizinesi ari muchikamu chekuvaka nekugadzira. Kunyange zvimhingamipinyi zvakawandisa, kukosha kwekuisa pamberi pemhando, kunzwisisa zvinorehwa, uye kuvaka hukama hwakasimba hwemupi haugone kupfuudzwa. Nekuomerera kune idzi misimboti, mabhizinesi haangogone kudzivirira njodzi dzakajairika asi zvakare kuona hupenyu hurefu uye kubudirira kwemapurojekiti avo. Muindastiri umo masiteki akakwira, ane ruzivo uye ane hunyanzvi sarudzo dzekutenga zvinhu ndiwo musimboti wekushanda kwakanaka.
