Kem

Tianjin Lefin Industrial Co., Ltd yog ib qho ntawm cov tuam txhab kev paub ntau tshaj plaws thiab cov chaw muag khoom ntawm lub thawv kem hauv Suav teb. Thov koj xav tias dawb mus yuav cov khoom zoo hauv lub thawv los ntawm peb lub hoobkas. Kev pabcuam zoo thiab tus nqi tsim nyog muaj.

Lub thawv -zoo li tus kem (tseem hu ua "kem kem") yog hom kaw-section steel qauv lossis steel-cov khoom sib xyaw ua ke. Nws cov yam ntxwv tseem ceeb yog kev siv plaub daim hlau (lossis ntu) welded ua ke los tsim ib lub thawv duab plaub / square hollow, uas tuaj yeem sau nrog pob zeb lossis nruab nrog cov partitions los txhim kho kev ruaj ntseg.

Raws li cov qauv txheej txheem, nws tuaj yeem muab faib ua cov qauv hlau ntshiab lub thawv (xws li Q355B steel phaj vuam), steel - cov pob zeb ua vaj tse pob zeb (nrog rau cov steel bars thiab pob zeb), thiab flexural kem kab (sab nrauv reinforced pob zeb + sab hauv steel kem) thiab lwm yam.

Tus ntoo khaub lig- ntu qhov ntev ntawm lub thawv- zoo li tus kab tuaj yeem hloov kho raws li qhov xav tau ntawm engineering (xws li qhov dav ntawm 500mm txog 1200mm, qhov siab ntawm 500mm txog 1200mm, thiab phab ntsa tuab ntawm 10mm txog 50mm), thiab nws yog qhov tsim nyog rau ntau yam kev thauj khoom, horizon loads, vertical loads, lwm yam).

Yog vim li cas vim li cas lub thawv- zoo li cov kab tau dhau los ua cov khoom zoo tshaj plaws rau super- siab- cov tsev nce siab, cov chaw tsim khoom loj, thiab cov phiaj xwm choj nyob hauv lawv cov khoom siv ntawm "muaj zog torsional tsis kam, siab ruaj khov, thiab zoo heev load-cov kabmob muaj peev xwm".

Cov khoom no tuaj yeem sau tau raws li hauv qab no:

1. Zoo heev mechanical zog:Zoo heev torsional txhav thiab load-bearing muaj peev xwm

Tus ntoo khaub lig kaw- seem ntawm lub thawv- zoo li kab ke ua rau nws muaj zog torsional ntau dua li qhov qhib ntoo khaub lig- ntu (xws li H- cov kab hlau zoo li tus) (qhov torsional txhav yog kwv yees li 3-5 npaug ntawm H- zoo li steel). Nws tuaj yeem tiv taus cov teebmeem torsional los ntawm kab rov tav loads (xws li av qeeg thiab cua). Nyob rau tib lub sijhawm, cov qauv ntawm lub thawv hollow ua tiav cov khoom siv tau zoo - los ntawm kev sau cov khoom siv sab hauv nrog cov pob zeb (steel-reinforced pob zeb kem), cov kev ua haujlwm ntawm cov pob zeb thiab cov tensile kev ua tau zoo ntawm cov hlau tuaj yeem ua ke, thiab cov kabmob muaj peev xwm nce los ntawm 20% -30% piv rau cov qauv hlau ntshiab.

Piv txwv li, Shanghai Ntauwd siv lub thawv- zoo li tus kab nrog qhov ntev ntawm 1200mm × 1200mm × 50mm × 50mm, thiab suav nrog cov hlau- cov pob zeb ntxiv dag zog los txhim kho thaj chaw sib txuas, ua tiav cov qauv ntawm 632 meters hauv qhov siab nrog kev ruaj ntseg lav; nyob rau hauv ib tug dej hiav txwv - hla choj nyob rau hauv Chifeng, lub ntsiab piers siv lub thawv- zoo li tus kab nrog qhov ntev ntawm 800mm × 800mm × 35mm × 35mm, thiab txhim khu kev tiv thaiv - overturning muaj peev xwm los ntawm sab nraud prestressing technology.

2. Kev ruaj ntseg ruaj khov: Kev ua haujlwm zoo heev rau kev hloov pauv sab nraud thiab kev ua haujlwm buckling

Txoj kev sib npaug ntawm ob sab - ntu ntawm lub thawv- zoo li kab ke (nrog lub sijhawm zoo sib xws ntawm inertia hauv X thiab Y cov lus qhia) ua kom muaj kev ruaj ntseg zoo dua nyob rau hauv ob qho tib si lub dav hlau thiab lub dav hlau sab nraud cov lus qhia piv rau H- cov kab hlau zoo li qub, zoo tswj lub lateral hloov ntawm cov qauv (xws li lub inter{{3} 4} lub tsev siab tshaj). Tsis tas li ntawd, sab hauv kab rov tav partitions (nrog rau qhov sib nrug tsawg dua lossis sib npaug li 3m) tuaj yeem tiv thaiv lub zos buckling ntawm lub thawv qauv, ntxiv dag zog rau cov qauv kev ruaj ntseg.

Rau qhov yuav tsum tau muaj kev ruaj ntseg siab, daim duab peb sab stabilizing blocks (tag nrho welded kev sib txuas) yog ntxiv ntawm cov partitions rau qee lub thawv -zoo li tus kab. Los ntawm kev siv cov duab peb sab quab yuam cov yam ntxwv, cov khoom tawg yog tawg, thiab cov seismic tsis kam ntawm cov kab no tau txhim kho los ntawm 15% mus rau 20% piv rau cov thawv ib txwm muaj - cov kab ke.

3.Kev tsim kho yooj yim: Kev sib koom ua ke ntawm Hoobkas prefabrication nrog rau ntawm - qhov chaw sib dhos

Cov qauv tsim ntawm lub thawv- zoo li cov kab ua rau lawv haum rau lub Hoobkas prefabrication (xws li los ntawm kev txiav thiab vuam kab). Ntawm - qhov chaw teeb tsa tsuas yog yuav tsum tau nqa thiab ntsia hlau txuas (lossis vuam) kom ua tiav, ua kom lub sijhawm siv sijhawm luv. Piv txwv li, nyob rau hauv Wuhan Optical Valley Finance Center qhov project, lub thawv- zoo li tus ncej steel ncej tau siv, nrog lub Hoobkas prefabrication tus nqi ntawm 100%. Kev teeb tsa ntawm - qhov chaw ntawm ib ntu ntawm kab tsuas yog siv sijhawm 3 hnub los ua kom tiav.

Txhawm rau hais txog cov teeb meem kev sib txuas zoo ntawm qhov chaw, cov tub ntxhais tseem ceeb hom ob -flange txuas ntawm node (xws li thev naus laus zis tsim los ntawm xibfwb Zhang Ailin pab pawg) tau qhia. Qhov kev sib txuas node ua tiav ntawm - qhov chaw sib dhos ntawm txhua kab los ntawm siab - lub zog bolts, thiab nws cov kev ua haujlwm zoo ib yam li cov welded nodes, thaum qhov kev tsim kho tau nce 40%.

4. High durability: Zoo heev corrosion kuj thiab fireproofing zog

Cov qauv kaw ntawm lub thawv-zoo li tus kem tuaj yeem cais qhov chaw sab nraud (xws li dej los nag, ntsev pos), thiab thaum ua ke nrog cov tshuaj tiv thaiv -corrosion coatings (xws li kub-dip galvanizing, dej- raws li txheej), nws lub neej kev pabcuam tuaj yeem ncav cuag 50 xyoo. Piv txwv li, lub thawv-zoo li cov kab uas tsim los ntawm Chifeng Shenzhou Steel Structure raug kho nrog kub-dip galvanizing rau kev tiv thaiv- corrosion, thiab VOC emissions raug txo los ntawm 76% piv rau hnyav-raws li txheej, ua tau raws li cov qauv kev tiv thaiv ib puag ncig ntawm GB/T 38207.

Rau cov hlau- cov pob zeb ua vaj tse ntxiv, txheej txheej sab nraud tuaj yeem muab kev tiv thaiv hluav taws (nrog rau qhov hluav taws kub txwv tsis pub ntau tshaj lossis sib npaug li 2 teev), tshem tawm qhov xav tau ntxiv ntawm cov txheej txheem hluav taws kub, yog li txo cov nqi kho.

5. Ntsuab thiab Environmentally Friendly: Cov khoom siv rov ua dua tshiab thiab cov pa roj carbon tsawg
 

Kev rov ua dua tshiab ntawm cov hlau rau lub thawv ntawv (nrog tus nqi rov ua dua ntawm 98%) yog qhov zoo tshaj ntawm cov pob zeb ua vaj tse (nrog tus nqi rov ua dua ntawm kwv yees li 30%), txo qhov tsim cov khoom pov tseg. Piv txwv li, ib txoj haujlwm ecological chaw ua si hauv Ordos siv Q345B hlau rov ua dua tshiab. Tom qab cov qauv raug rhuav tshem, cov hlau rov ua dua tshiab tau nce mus txog 98%, txo cov khoom siv pov tseg los ntawm 85% piv rau cov qauv pob zeb.

Tsis tas li ntawd, tsis ntev los no tau tshaj tawm laser-arc hybrid vuam tshuab (xws li 20mm tuab phaj vuam txheej txheem los ntawm KEB Laser) ua rau seamless vuam yam tsis muaj beveling, ua tiav kev nkag mus rau hauv ib qho mus. Qhov no txo ​​cov kev siv ntawm vuam hlau (ua rau 15% txo tus nqi) thiab emission ntawm cov pa phem (xws li 50% txo cov pa luam yeeb). Nws ua raws li lub tswv yim ntawm lub tsev ntsuab.

Lub thawv- cov kab zoo li yog siv rau hauv ntau qhov chaw xws li super siab- cov tsev nce siab, cov nroj tsuag kev lag luam, choj engineering, thiab cov chaw pej xeem. Nov yog qee qhov xwm txheej:

1. Super-cov tsev siab: cov tub ntxhais kawm thiab cov ncej sab nraud

Lub thawv- zoo li cov kab yog cov tub ntxhais thauj khoom-cov kabmob ntawm cov tsev siab siab- nce siab, feem ntau yog siv rau cov tub ntxhais tube (tiv thaiv kab rov tav loads) thiab cov ncej sab nraud (cov kabmob ntsug loads). Piv txwv li:
• Shanghai Ntauwd: Nws siv 1200mm × 1200mm × 50mm × 50mm lub thawv- zoo li cov kab, nrog cov hlau embedded-cov pob zeb ua kom muaj zog, los txhawb cov qauv kev nyab xeeb ntawm 632-meter-siab lub tsev;
• Guangzhou Poly Center: Nws siv lub thawv khov kho- cov kab zoo li (sab nraud cov pob zeb ntxiv dag zog + sab hauv steel lub thawv), thiab nws cov seismic kev ua tau zoo raws li 8-degree tsim qauv.

2. Industrial Cog: Heavy Manufacturing thiab Metallurgical Chemical Industry

Lub thawv- zoo li cov kab tuaj yeem tiv taus cov khoom loj ntawm - ncua lub portal thav duab (ntev 30m - 60}m) thiab hnyav cranes (50-tuj - 100-tuj choj cranes), ua rau lawv nyiam cov khoom siv rau cov tsev lag luam. Piv txwv li:
• Nyob rau hauv ib qho chaw metallurgical hauv Chifeng: 500mm × 500mm × 20mm × 20mm lub thawv- zoo li cov kab tau siv, ua tiav cov kabmob 50-tuj choj crane thauj khoom, ua tau raws li kev co ntawm cov khoom siv metallurgical.

3. Choj Engineering: Choj Piers thiab Arch Ribs

Lub thawv- cov kab zoo li feem ntau yog siv hauv choj engineering rau cov piers siab (pier qhov siab> 40m) thiab arch ribs (rau loj -span arch txuas hniav), thiab tuaj yeem tiv thaiv tsheb thauj khoom thiab cua vibrations. Piv txwv li:
•Nyob rau hauv ib tug dej hiav txwv - hla choj hauv Chifeng:Lub ntsiab piers txais 800mm × 800mm × 35mm × 35mm lub thawv- zoo li tus kab. Los ntawm kev siv thev naus laus zis sab nraud, qhov kev hloov pauv hloov pauv tau zoo dua qub, thiab tsis muaj cov qauv deformation tau tshwm sim rau 3 xyoos txij li qhib rau kev khiav tsheb;
•Ib tug loj -span arch choj:Cov arch ribs yog ua los ntawm lub thawv -zoo li tus kab (nrog rau tus ntoo khaub lig- ntu ntawm 600mm × 600mm × 30mm × 30mm), uas txo qhov hnyav los ntawm 25% piv rau cov tsoos truss arch ribs, yog li txo tus nqi ntawm lub hauv paus.

4. Cov Chaw Pej Xeem: Tsev Kho Mob thiab Chaw Ua Si
Kev hloov pauv ntawm qhov chaw ntawm lub thawv- zoo li cov kab (nrog lub peev xwm khaws cov kav xa dej hauv) ua rau lawv tsim nyog rau cov chaw pej xeem xws li tsev kho mob thiab chaw ua kis las. Piv txwv li:
• Hauv ib lub tsev kho mob hauv Chifeng:Lub thawv- zoo li cov kab (nrog rau ntu ntawm 600mm × 600mm × 25mm × 25mm) tau siv, thiab cov kav dej sab hauv rau cov kav dej thiab hluav taws xob tau tshwj tseg, yog li txhim kho qhov chaw siv;

• Ib qho chaw ua kis las: Nws siv lub thawv- zoo li cov kab raws li lub ru tsev txhawb nqa, nrog rau qhov ntev ntawm 80 meters, ua tiav qhov chaw tsim tsis muaj kab.

Lub thawv -zoo li tus kem, raws li qhov siab - kev ua tau zoo ntawm cov qauv, tau txais kev muaj koob meej vim nws cov khoom siv zoo heev, kev ruaj ntseg siab, thiab kev tsim kho yooj yim. Nws tau dhau los ua qhov kev xaiv zoo tshaj plaws hauv thaj chaw xws li super siab- cov tsev nce siab, cov nroj tsuag muaj, thiab choj engineering. Nrog kev nruam ntej ntawm cov thev naus laus zis xws li laser vuam thiab kev sib txuas ua ntej, daim ntawv thov kev cia siab ntawm lub thawv - cov kab zoo li yuav ua kom dav dua, muab kev txhawb zog rau cov vaj tsev ntsuab thiab kev tsim kho ntse.