Musiyano uripo pakati pekupeta kunopisa uye kutonhora kutenderedza ndiko kunyanya tembiricha yekukunguruka."Kutonhora" zvinoreva tembiricha yakajairika, uye "kupisa" zvinoreva kupisa kwakanyanya.Kubva pakuona kwesimbi, muganho uri pakati pekutonhora kukunguruka uye kupisa kupisa kunofanirwa kusiyaniswa nerecrystallization tembiricha.Ndiko kuti, kukunguruka pazasi recrystallization tembiricha inotonhora kukunguruka, uye kutenderera pamusoro peiyo tembiricha recrystallization inopisa kukunguruka.Iyo tembiricha recrystallization yesimbi ndeye 450-600 ℃.
Inotevera ipfupiso yemhinduro kumibvunzo pamusoro pe[Musiyano pakati pekukunguruka kunopisa nekutonhora]:
Musiyano uripo pakati peinotonhora yekukunguruka uye inopisa kukunguruka inonyanya kupisa tembiricha yekukunguruka."Kutonhora" zvinoreva tembiricha yakajairika, uye "kupisa" zvinoreva kupisa kwakanyanya.Kubva pakuona kwesimbi, muganho uri pakati pekutonhora kukunguruka uye kupisa kupisa kunofanirwa kusiyaniswa nerecrystallization tembiricha.Ndiko kuti, kukunguruka pazasi recrystallization tembiricha inotonhora kukunguruka, uye kutenderera pamusoro peiyo tembiricha recrystallization inopisa kukunguruka.Iyo tembiricha recrystallization yesimbi ndeye 450-600 ℃
Kupisa kukungurutsira uye kutonhora kukungurutswa maitiro ekugadzira mahwendefa esimbi kana maprofile, ane simba guru pane chimiro uye zvimiro zvesimbi.Kukunguruka kwesimbi kunonyanya kupisa kukunguruka, uye kutonhora kutenderedza kunongoshandiswa kugadzira chidimbu chesimbi uye ndiro yakatetepa.Ingots kana billets zvakaoma kukanganisa uye kugadzirisa pane tembiricha.Kazhinji, dzinopisa kusvika 1100-1250 ℃ yekukunguruka.Kukunguruka uku kunodaidzwa kuti hot rolling.Tembiricha yekupedzisira yekutenderera inopisa inowanzoita 800-900 ℃, uyezve inotonhodzwa mumhepo, saka iyo inopisa yekutenderera mamiriro yakaenzana nekugadzirisa kurapwa.Simbi zhinji inokungurutswa nekukunguruka kunopisa.Cold rolling (Cold rolling) zvinoreva nzira yekukungurusa yesimbi yekuburitsa uye kushandura chimiro chesimbi nekumanikidza kwemapumburu patembiricha yekamuri.Kunyangwe iyo nzira yekugadzirisa ichizoitawo kuti ndiro yesimbi idziye, ichiri kunzi inotonhora rolling.
Gwaro iri rinotsanangudza mamiriro ehunyanzvi ekutakura kwesimba repamusoro uye mamiriro ekunze anodzivirira emagetsi welded uye akanyura arc welded inotonhora yakaumbwa simbi yezvimiro mhango zvikamu zvedenderedzwa, sikweya, rectangular kana elliptical mafomu uye akaumbwa kutonhora pasina kunotevera kupisa kurapwa kunze kwekupisa kwekupisa kwetambo yeweld. .CHERECHEDZA 1 Zvinodiwa zvekushivirira, hukuru uye zvikamu zvezvikamu zvinogona kuwanikwa mu EN 10219 2. CHERECHEDZA 2 Kutarisisa kwevashandisi kunokweverwa kuchokwadi chekuti nepo kutonhora kuumba mamakisi mugwaro rino anogona kuenzana mechanicha zvinhu kune kupisa-kupedzwa mamakisi muEN. 10210 3, zvikamu zvezvikamu zvemativi ane sikweya uye rectangular hollow mu EN 10219 2 uye EN 10210 2 hazvina kuenzana.CHERECHEDZA 3 Mhando yemagiredhi esimbi inotsanangurwa mugwaro rino uye mushandisi anogona kusarudza giredhi rakanyatsoenderana nezvinodiwa kushandiswa uye sevhisi mamiriro.Iwo magiredhi uye zvivakwa zvemuchina, asi kwete ekupedzisira ekupa mamiriro ekutonhora akaumbwa makomba zvikamu zvinowanzo kufananidzwa neizvo zviri mu EN 10025 3, EN 10025 4, EN 10025 5, EN 10025 6, EN 10149 2 uye EN 10149 3.
EN 10210-3-2020
Kupisa kwakapera simbi structural hollow zvikamu- Chikamu 3: Tekinoroji yekuendesa mamiriro esimba rakakwirira uye mamiriro ekunze anopikisa simbi
Gwaro iri rinotsanangudza hunyanzvi hwekutakura mamiriro esimba repamusoro uye mamiriro ekunze anodzivirira kupisa-kupedzwa kusina musono, magetsi akaiswa uye akanyura arc welded simbi yekugadzira mhango zvikamu zvedenderedzwa, sikweya, rectangular kana elliptical mafomu.Inoshanda kuzvikamu zvisina mhango zvakaumbwa zvichipisa, zvine kana pasina kunotevera kupisa kwekurapwa, kana kuumbwa kutonhora nekutevera kupisa kurapwa pamusoro pe580 ° C kuti uwane yakaenzana mechanical zvivakwa kune izvo zvinowanikwa mune inopisa yakagadzirwa chigadzirwa.CHERECHEDZA 1 Zvinodiwa zvekushivirira, zviyero uye zvikamu zvezvivakwa zvinotsanangurwa mu EN 10210-2.CHERECHEDZA 2 Kutariswa kwevashandisi kunoswededzwa kunyaya yekuti nepo kuchitonhora kuumba mamakisi muEN 10219-3 inogona kunge yakaenzana mechanicha magiredhi kune anopisa-apedzwa mamakisi mugwaro rino zvikamu zvezvikamu zveskweya uye rectangular hollow zvikamu mu EN 10210-2 uye EN. 10219-2 haina kuenzana.CHERECHEDZA 3 Magiredhi akasiyana-siyana anotsanangurwa mugwaro rino uye mushandisi anogona kusarudza giredhi rakanyatsoenderana nezvinodiwa kushandiswa uye sevhisi mamiriro.Iwo mamakisi uye michina zvivakwa zveakapedzwa makomba zvikamu zvinowanzo kuenzaniswa neizvo zviri muEN 10025-4, EN 10025-5 uye EN 10025-6.CHERECHEDZA 4 Zvinodiwa zvezvikamu zvisina musono uye zvakashongedzwa zvesimbi zvemukati zvekushandisa muzvivakwa zvekunze zvakafukidzwa muEN 10225 nhevedzano.CHERECHEDZA 5 Spiral welded hollow zvikamu zvinotarisirwa kushandiswa zvine hungwaru muzvishandiso zvinosanganisira hunhu hunochinja (kuneta kushushikana) sezvo, kusvika parizvino, hapana data rakakwana maererano nekuita kwavo.
Sumai kushandiswa kwakakura kweinotonhora-yakaumbwa rectangular chubhu
MuChina maindasitiri uye zvivakwa zvevagari, kongiri yakasimbiswa yakashandiswa kwemakore mazhinji
Kutenderera kwakareba uye kusvibiswa kwakanyanya.Mumakore achangopfuura, nekubudirira kwekupisa kwakakungurutswaH-dandazvigadzirwa zveMa Steel uye Lai Steel
Zvinoenderana nekutanga kwemusika, kushandiswa kwesimbi chimiro muindasitiri yekuvaka kwave kuwedzera.Yakasiyana-siyana simbi dhizaini zvivakwa zvekuedza, dzimba dzemhando uye zvivakwa zvenzvimbo zvakaunzwa imwe mushure meimwe.Izvo zviyero uye zvakatemwa zvekugadzira uye kuvaka zvakatangawo kupinda munhanho yekuvandudza zvishoma nezvishoma.Indasitiri yekuChina yekugadzira simbi yakaita budiriro huru mumakore achangopfuura.
Nekudaro, parizvino, zvivakwa zvekuChina zvekuvaka simbi zvinonyanya kushandiswa kupisa yakakungurutswa H-yakaita simbi uye akasiyana-siyana akaiswa simbi zvimiro.Kugona kwesimbi inopisa yakatenderedzwa H-yakaita muChina yasvika mamiriyoni matatu ematoni, uye kubuda kwesimbi yakashongedzwa yakaita H-yakaita H uye zvimiro zvesimbi zvakasiyana-siyana zvakare mazana ezviuru zvematani.Kubuda kwe welded pombi muChina kunodarika matani emamiriyoni manomwe pagore, ayo akabudainotonhora-yakaumbwa sikweya uye rectangular pombiuye akasiyana-siyana anotonhora-akaumbwa simbi zvimiro zvekuvaka zvivakwa zvesimbi zvisingasviki 5% yehuwandu hwekubuda kwesimbi inotonhora.Iko kushandiswa kwesimbi inotonhora-yakaumbwa muindasitiri uye yevagari zvivakwa zvesimbi zvivakwa muChina kuri padanho rekutanga.Iyo inotonhora-yakaumbwa sikweya uye rectangular chimiro welded pombi ichangotanga kutsiva inopisa-yakakungurutswa H-yakaita simbi sembiru yesimbi.Imwe simbi inotonhora inotonhora haishandiswe muindasitiri yekuvaka.
yuantai simbi hollow chikamu nokuda crane,yuantai seamless hollow chikamu,yuantai square hollow chikamu
Parizvino, Ministry of Construction yakavaka zvimwe zvivakwa zvesimbi zvekuyedza zvivakwa mumaindasitiri uye zvivakwa zvevagari, senge
Dzimba mbiri dzekuratidzira dzesimbi dzeBazi Rekuvaka dzakavakwa muTianjin muna 2002. Mapombi esimbi akashandiswa muchirongwa ichi.
Concrete column simbi simbi furemu simbi yakasimbisa kongiri musimboti chubhu (SRC) zvimiro sisitimu, yakazara purojekiti nzvimbo.
8000m2, mutumbi mukuru une pasi gumi nerimwe, imwe mbiru yakagadzirwa nepombi yakatenderera, uye imwe mbiru inogadzirwa neskweya simbi pombi.
350x350mm, ukobvu hunosiyana nepasi, iyo 1 ~ 3 pasi iri 16mm, 4 ~
14mm pauriri hwe6, 12mm ye7 kusvika 9 pauriri, 10mm yegumi negumi negumi neimwe, ndokudururira mupombi yesimbi.
C40 kongiri.
Danda rakagadzirwa ne-welded I-beam ine tsanangudzo ye350x200x10x18mm, uye pasi slab.
Iyo prestressed composite slab ine yakakwirira-simba spiral rib reinforcement.Panguva iyoyo, hapana mugadziri muChina aigadzira masikweya machubhu ane dhayamita yakakura kudaro, saka machubhu esikweya esimbi akashandiswa muchirongwa ichi, aive mana maplate akaiswa makoramu eBOX.
Chimiro chesimbi chekuratidzira kwedzimba chirongwa cheBazi Rekuvaka reTianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd. inokwevera kurudziro mbiri kubva mukushandiswa kwesimbi inotonhora-yakaumbwa chikamu simbi (kunyanya rectangular chubhu) mune simbi chimiro dzimba:
Chekutanga, nzvimbo yemusika yemachubhu mahombe akatonhora akaumbwa ane rectangular yakakura, uye nhamba inonzwisisika yepasi pekugara kwesimbi.
Iine 10 ~ 18 floors, akadai epakati uye akakwira ekukwira zvimiro zvakare ane zvimwe zvinodikanwa kune zvakatemwa zveinotonhora-yakaumbwa rectangular chubhu.
Chechipiri, mapaipi esimbi ane mabhenefiti ari pachena pamusoro pepombi dzesimbi dzakatenderedza nekuda kwezvikonzero zvitatu:
Chekutanga, mapaipi akaenzana uye akatenderera ane hurefu hwedivi uye dhayamita imwechete ane kutakura kurinani uye kuita seismic
Kugona.Zvinoenderana nebvunzo yakaitwa neyunivhesiti muTianjin pane nhatu nyaya mbiri span square chubhu uye denderedzwa chubhu kongiri mbiru furemu.
Kureba kweparutivi kwembiru yepombi ndeye 150mm, uye dhayamita yepombi yakatenderera i150mm.Mhedzisiro yebvunzo inoratidza kuti yekutanga inoshingirira kune lateral simba goho rinobereka
Iyo yekuremedza huwandu uye yekupedzisira kutakura kugona ndeye 80% yakakwirira kupfuura yekupedzisira, uye seismic performance index ingangoita kaviri ekupedzisira;
Chechipiri, kuvakwa kwepombi yesquare kunowedzera nyore.Iyo kongiri mbiru yesimbi chimiro chekugara inoda kuwedzera
Pakuvaka, chikamu chakatenderera chinoshandurwa kuita chikamu chikamu;
Chechitatu, zvakaoma kubata nekubatana pakati pedenderedzwa kongiri mbiru uye matanda.Ramangwana simbi chimiro muChina
Mumusika, inotonhora-yakaumbwa sikweya uye rectangular chubhu ichave yakakosha mugove.
Iyo yepamusoro kupisa kurapwa kwesimbi pombi inogona kuvandudza zvakanyanya kupera kwekuneta kwechigadzirwa workpiece.Semuyenzaniso, yepakutanga yekugadzira tekinoroji yemotokari hafu ekisi yesimbi yakajairwa kupisa kupisa, uye hupenyu hwayo hwesevhisi hwakawedzerwa kanoda kusvika ka20 nekuchinja kubva pakurapa kupisa kwepamusoro kusvika pakupisa kupisa.Mukuwedzera, kupisa kwepamusoro kurapwa kunoderedza vacancy senitivity yezvikamu.Chinangwa chekugadzirisa kupisa kwepamusoro ndechekuvandudza maitiro ezvigadzirwa.Inoshandiswa zvakanyanya munzvimbo dzakasiyana-siyana, iyo yakanyatsoenderana nemaitiro ezvose zviri zviviri.
Nguva yekutumira: Zvita-21-2022
