Muchivakwa chemazuva ano, chekufambisa, indasitiri, uye engineering yesimba,simbi yakagadzirwa, ine mabhenefiti ayo maviri mune zvese zviri zviviri zvinhu uye chimiro, yave yakakosha simba kutyaira hunyanzvi muinjiniya tekinoroji. Ichishandisa simbi seyayo yepakati-inotakura zvinhu, inodarika miganhu yezvimiro zvechinyakare kuburikidza nekugadzirwa kwemaindasitiri uye kuisirwa modular, ichipa mhinduro dzinoshanda dzeakasiyana mapurojekiti akaomarara.
Tsanangudzo uye Chimiro cheSimbi Chimiro
Simbi chimiro inoreva kutakura-kuremedza structural system inoumbwa nendiro dzesimbi, zvikamu zvesimbi (H matanda, U channels, angle simbi, nezvimwewo), uye mapaipi esimbi, akachengetedzwa kuburikidza newelding, mabhaudhi akasimba, kana rivets. Hunhu hwayo kukwidziridza kusimba kwesimbi uye kusimba kufambisa zvakaenzana mitoro yakatwasuka (yakafa uye uremu hwemidziyo) uye mitoro yakachinjika (mhepo nekudengenyeka kwenyika) kubva pachivakwa kana purojekiti kusvika pahwaro hwayo, kuve nechokwadi kugadzikana kwechimiro. Kuenzaniswa nekongiri zvimiro, iyo yakakosha mukana wezvimiro zvesimbi iri mumichina yavo yemagetsi: simba ravo rekusimba rinogona kusvika pamusoro pe345 MPa, kanopfuura ka10 kune yakajairika kongiri; uye plastiki yavo yakanakisa inovabvumira kukanganisa pasi pemutoro pasina kutyora, ichipa vimbiso yakapetwa kaviri yekuchengetedzwa kwemaitiro. Hunhu uhwu hunoita kuti dzisadzorereke mune yakakura-span, yakakwirira-kukwira, uye inorema-mutoro mamiriro.
Mhando Huru dzeSimbi Zvivako
(I) Kurongeka neFomu yeChimiro
Gateway Frame Structure: Ichi chimiro, chinoumbwa nembiru uye matanda, chinoumba "gedhi" -yakaita chimiro, yakasanganiswa neanotsigira sisitimu. Inokodzera zvidyarwa zveindasitiri, matura emidziyo, masupamaketi, uye zvimwe zvimiro. Nzvimbo dzakajairika dzinobva pa15 kusvika ku30 metres, uye dzimwe dzinopfuura makumi mana. Zvikamu zvinogona kugadzirwa mumafekitori, zvichibvumira kuisirwa pasaiti mumazuva gumi nemashanu kusvika makumi matatu chete. Semuenzaniso, JD.com's Asia No. 1 Logistics Park matura anonyanya kushandisa rudzi urwu rwechimiro.
Truss Structure: Ichi chimiro chine tsvimbo dzakatwasuka dzakabatana nemanodhi kuti dziite triangular kana trapezoidal geometry. Tsvimbo dzinoiswa chete kune axial mauto, kushandisa zvizere simba resimbi. Zvivako zvetruss zvinowanzoshandiswa mumatenga enhandare uye mazambuko makuru. Semuenzaniso, kugadziridzwa kweBeijing Workers' Stadium kwakashandisa truss chimiro kuti iwane 120-metres column-free span.
Zvimiro zvemafuremu: Sitimu yenzvimbo inoumbwa nematanda anobatanidza zvakasimba uye makoramu inopa hurongwa hwepasi hunochinjika uye ndiyo sarudzo huru yezvivakwa zvepamusoro-soro zvehofisi nemahotera.
Zvimiro zveGridhi: Giridhi yenzvimbo inoumbwa nenhengo dzakawanda, kazhinji iine nhanhatu yakajairwa uye masikweya node, inopa kutendeseka kwakasimba uye kwakanakisa kuramba kudengenyeka. Iwo anoshandiswa zvakanyanya munhandare dzendege uye nzvimbo dzemagungano.
(II) Kurongeka neMutoro Hunhu
Flexural nhengo: Inomiririrwa nematanda, nhengo idzi dzinoshingirira nguva dzekukotama, nekumanikidzana kumusoro uye kushushikana kuzasi. Ivo vanowanzo shandisa H-zvikamu kana welded bhokisi zvikamu, senge crane matanda muindasitiri zvirimwa, uye anofanira kusangana zvose simba uye kuneta kuramba zvinodiwa.
Nhengo dzakaremerwa neAxially: Idzi nhengo dzinongotarisana neaxial tension / compression, senge truss tie tsvimbo uye nhengo dzegridi. Tie tsvimbo dzakagadzirirwa simba, nepo compression tsvimbo inoda kugadzikana. Machubhu edenderedzwa kana makona simbi zvikamu zvinowanzo shandiswa. Eccentrically akaremerwa zvikamu: Izvi zvinoiswa kune ese axial mauto uye nekukotama nguva, senge furemu makoramu. Nekuda kweiyo eccentricity yemutoro padanda rinopera, symmetrical cross-sections (senge mabhokisi makolamu) inodiwa kuenzanisa masimba uye deformation.
Yakakosha Yakanakira Simbi Zvimiro
(I) Yakanakisa Mechanical Properties
Simba rakakwirira uye huremu hushoma ndiyo inonyanya kukosha yezvivakwa zvesimbi. Kune span yakapihwa, huremu hwedanda resimbi ingori 1/3-1/5 iyo yedanda rekongiri. Semuenzaniso, 30-mita span simbi truss inorema ingangoita 50 kg/m, nepo danda rekongiri rinorema kupfuura 200 kg/m. Izvi hazvingodzikisi mutengo wenheyo (ne20% -30%) asiwo zvinoderedza seismic mhedzisiro, kuvandudza kuchengetedzwa kwechimiro che seismic.
(II) Kushanda Kwekuvaka Kwepamusoro
Inopfuura 90% yemidziyo yesimbi yakagadzirwa kare mumafekitori ane millimeter-level chaiyo. Pa-saiti kuiswa kunoda chete kusimudza uye kubatana. Semuenzaniso, 10-nhurikidzwa yesimbi chivako chehofisi chinotora mwedzi 6-8 chete kubva pakugadzirwa kwechikamu kusvika pakupera, kuderedzwa kwe40% munguva yekuvaka kana ichienzaniswa nekongiri chimiro. Semuenzaniso, purojekiti yekugara yakagadzirwa nesimbi muShenzhen yakawana kumhanya kwekuvaka kwe "uriri humwechete mazuva manomwe ega ega," zvichideredza zvakanyanya mutengo wevashandi.
(III) Kuramba Kwakasimba Kwekudengenyeka Kwepasi uye Kugara
Kuomarara kwesimbi kunoita kuti zvimiro zvesimbi zviparadze simba kuburikidza nedeformation panguva yekudengenyeka kwenyika. Semuenzaniso, panguva yekudengenyeka kwenyika kuWenchuan muna 2008, fekitari yesimbi muChengdu yakangotambura nekuchinja kudiki uye hapana njodzi yekudonha. Uyezve, mushure mekurapa kwe-anti-corrosion (galvanizing uye coating), simbi inogona kuva nehupenyu hwehupenyu hwemakore 50-100, nemari yekugadzirisa yakaderera kudarika zvivakwa zvekongiri.
(IV) Kuchengetedzwa Kwezvakatipoteredza uye Kugara
Steel recycling mitengo inodarika 90%, ichibvumira kuti inyungudiswe zvakare uye kugadziriswa mushure mekuputswa, kubvisa kusvibiswa kwemarara ekuvaka. Zvakare, kuvaka simbi hakudi kuumbwa kana kugadzirisa, kunoda kushoma pa-saiti basa rakanyorova, uye kuderedza kuburitswa kweguruva nepamusoro pe60% zvichienzaniswa nezvivakwa zvekongiri, zvinopindirana nemisimboti yekuvaka yakasvibira. Semuenzaniso, mushure mekuparara kweIce Cube nzvimbo ye2022 Beijing Winter Olympics, zvimwe zvikamu zvakashandiswa zvakare mune mamwe mapurojekiti, kubudirira kudzokorodza zviwanikwa.
Yakapararira Kushandiswa KweSimbi Zvimiro
(I) Kuvaka
Zvivakwa zvevoruzhinji: Nhandare, nhandare dzendege, nzvimbo dzemagungano uye dzekuratidzira, nezvimwewo, vanovimba nezvivakwa zvesimbi kuti zviwane nzvimbo huru uye madhizaini akakura.
Zvivakwa zvekugara: Dzimba dzekugara dzakagadzirwa nesimbi dziri kuwedzera kuve nemukurumbira uye dzinogona kuzadzisa zvinodiwa pekugara.
Zvivako zvekutengesa: Zvivako zvehofisi zvepamusoro-pamusoro-soro uye nzvimbo dzekutengesera, dzinoshandisa zvivakwa zvesimbi kuti zviwane dhizaini yakaoma uye kuvaka kwakanaka.
(II) Kutakura
Bridge engineering: Cross-sea mabhiriji uye njanji mabhiriji. Mabhiriji esimbi anopa nzvimbo dzakakura uye mhepo ine simba uye kusagadzikana kwekudengenyeka kwenyika.
Chitima chekufambisa: Subway station canopies uye mwenje wenjanji matanda.
(III) Industrial
Zvidyarwa zveindasitiri: Zvidyarwa zvemichina inorema uye zvidyarwa zvesimbi. Zvivako zvesimbi zvinokwanisa kumira kurema kwemidziyo mikuru uye kufambisa kugadziridzwa kwemidziyo kunotevera.
Nzvimbo dzekuchengetera zvinhu: Cold chain warehouses uye logistics nzvimbo. Portal furemu zvimiro zvinosangana nehombe-span yekuchengetedza zvinodiwa uye inokurumidza kuvaka uye kutumira nekukurumidza.
(IV) Simba
Zvivakwa zvemagetsi: Thermal power plant zvivakwa zvikuru uye shongwe dzekufambisa. Zvivako zvesimbi zvakakodzerwa nemitoro yakakwira uye nzvimbo dzakaomarara dzekunze. New Energy: Wind turbine tower uye photovoltaic mounting masisitimu anoratidza zvimiro zvesimbi zvisingaremi zvekufambisa uye kuisirwa zviri nyore, zvichitsigira kuvandudzwa kwesimba rakachena.
Bata nesu kuti tidzidze zvakawanda nezve zvivakwa zvesimbi.
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Nguva yekutumira: Sep-30-2025