Cov Lus Qhia Luv luv thiab cov txheej txheem cov yam ntxwv ntawm welded grids
Welded Daim phiaj yog cov phiaj xwm spatial cov qauv, lub hom tseem ceeb ntawm ntev - spance tsim qauv. Lawv cov tub ntxhais yog tsim ntawm ntau cov neeg hlau (xws li cov kav dej steel thiab cov khoom sib txuas ua ke) Qhov tseem ceeb, lawv siv cov hluav taws xob hnyav rau cov neeg hloov chaw hloov chaw los txhawb nqa. Lawv tau siv dav hauv ru tsev lossis pem teb cov qauv ntawm loj {9} {{{{{{{}} ceev cov chaw nres tsheb ciav hlau, thiab cov chaw tsim khoom loj.
1. Cheebtsam tseem ceeb thiab cov qauv ntawm Welded Grids
Ua ntej sib tham txog cov txheej txheem cov txheej txheem, nws yog qhov tsim nyog los qhia txog lawv cov txheej txheem tseem ceeb, uas ua rau lub hauv paus ntawm cov txheej txheem tsim:
Cov Tswvcuab: Seamless Steel Kav (Tsawg {{0} {{{{{{{{4 4} Daim hlau siv hauv qee cov ntawv thov. Cov tswvcuab yuav tsum ua tiav ob qho tib si lub teeb thiab siab- lub zog yuav tsum tau, nrog 219 hli thiab phab ntsa thicknesses ntawm 3 txog 12 hli. Nodes: Cov Cheebtsam sib txuas sib txuas, Categorized los ntawm vuam qauv:
Welded sphere nodes: The most commonly used type, consisting of two hemispheres (stamped from steel plates) welded together to form a hollow sphere, which is then welded to the member. Suitable for large spans and heavy loads (e.g., stadiums with spans >30m).
Phaj nodes (txuas phaj no yog txiav rau hauv cov duab tshwj xeeb (piv txwv li, hla kev, thiab tus tswv cuab xaus yog welded rau cov phaj txuas. Haum rau me me rau nruab nrab spans thiab ib tug me me ntawm cov tswv cuab (piv txwv li, cov ntaub ntawv me me).
Cov Qauv Txheej Txheem: Uniform Spatial loadated kev faib khoom khoov ntawm lub sij hawm (siab tag nrho cov kev sib koom tes) Ii. Cov Txheej Txheem Tseem Ceeb ntawm Welded Grids
Welded Grid txheej txheem rub tawm ib ncig ntawm ob kauj ruam tseem ceeb: Hoobkas ua ntej thiab ntawm {{0} {thaj chaw nruab thiab vuam. Cov kev cai tseem ceeb uas muaj cov pob qij txha muaj zog, cov pob qij txha tsis muaj zog, thiab muaj kev nyab xeeb ntau. Cov yam ntxwv tshwj xeeb tuaj yeem txheeb xyuas los ntawm kev xav hauv qab no:
1. Cov txheej txheem sib koom tes: qhov no yog qhov tseem ceeb siv tswj tau zoo, hais txog "kev nkag mus" thiab "sealing."
Cov pob qij txha yog qhov tseem ceeb rau lub load - Cov kabmob Xwm ntawm cov kab sib chaws, thiab lawv cov kab txheem kev nyab xeeb cuam tshuam nrog kev nyab xeeb. Cov yam ntxwv tseem ceeb yog li nram no:
Welded Kheej Tes Haujlwm Ib Leeg:
Nthuav ntau cov pob tsim khoom lag luam: tom qab hemispheres yog stamped los ntawm cov ntawv hlau steel, lawv yog thawj lub pob tw (pob tw welded (ua ke ob lub halves ua ke los ua ib qho chaw ua haujlwm). Qhov no taub qab vuam yuav tsum muaj cov cuab yeej tshwj xeeb kom ntseeg tau qhov sib txawv (thev taus tsawg dua los yog sib npaug ± 2 hli). Tom qab vuam, "root tu" (tshem tawm weld shrag los ntawm sab nraum qab ntawm weld) yog ua kom paub meej tias cov weld) tau ua kom ntseeg tau tias cov welds tsis pub dhau tus kheej yog dawb ntawm pores thiab tawg. Vuam ntawm Qws - rau - sherrational pob qij txha: "Groove pentration vuam" yog siv. Ib tug zawj yuav tsum tau tsim thawj zaug ntawm tus pas nrig ntawm lub pas nrig (kaum-sab xis)℃-45℃tshaj lossis sib npaug ntawm cov pas nrig phab ntsa tuab). Tus pas nrig xaus yog tom qab ntawd av rau ib qho kev sib txuam sib xyaw. Vuam yog ua tiav siv cov pa roj thaiv cov vuam lossis phau ntawv arc vuam kom ntseeg tau tias muaj tag nrho 90% ntawm cov pas nrig phab ntsa tuab). Tom qab vuam, cov welds yuav tsum yauv mus kuaj MT sib nqus (lossis siv 100% tus qauv
Phaj Ob Vuam Txheej Txheem:
Cov phaj txuas tau yog thawj qhov ntsuas hluav taws xob hauv lub hoobkas (rau kev tso cai ib ntus ntawm bolts). Tom qab tus pas nrig xaus yog mus raws li cov phaj sib txuas, "fillet weld + plug weld" kev sib xyaw. The fillet weld ensures the strength of the rod-to-plate connection, while the plug weld (welded within the prefabricated hole in the connecting plate) enhances shear resistance. Tom qab vuam, weld nto yuav tsum muab ntxuav kom ntseeg tau xws li undercuts thiab tsis tiav}} precision prefabrication, tswj qhov ntev thiab bevel qhov tseeb
Trellis cov pas nrig yuav tsum yog preabricated nyob rau hauv lub Hoobkas, siv tus txheej txheem uas muaj cim los ntawm precision thiab txheej txheem:
Kev Txiav Txim Kev Tswj: Cov pas nrig raug txiav (xws li Plasma txiav kom muaj (xws li lub tshuab ntsuas ntshav lossis laser ntev), nyob deb ntawm lub ntsej muag steel). Yog tias cov pas nrig yog cov kav hlau steel, lawv yuav tsum ncaj qha (siv cov yeeb nkab ncaj) rau qhov ntev dua lossis muaj sib npaug ntawm L / 1000 (qhov twg l
Groove ua qhov tseeb: Qws xaus yuav tsum yog beveled raws li node kaum (piv txwv li, txiav txim siab los ntawm kev sib tw ntawm lub cav truss). Qhov no ua tiav siv lub tshuab cnc beveling nrog lub tshuab bevel lub siab ntev txog ± 1 degree. Lub dlunt ntug tuab (uncut feem ntawm lub hauv paus ntawm bevel) yog tswj hwm rau cov thooj kev sib tw nrog cov ntawv cuav thaum lub sij hawm vuam. Nto Pretreatment: Tom qab ua kev ua txuj ci, cov tswvcuab yuav tsum tau txhaj tshuaj tiv thaiv (SA2.5 qib) kom tshem cov nplai thiab xeb. Ib lossis ob lub tsho tiv no ntawm anti {13} {rust primer (xws li epoxy ricter) yuav tsum tau thov kom tiv thaiv xeb thaum kev thauj mus los thiab kev teeb tsa. Qhov tuab tuab tus tuabneeg tuab yuav tsum muaj ntau dua lossis sib txig sib luag rau 60μm, thiab cov kua nplaum yuav tsum muaj ntau dua los yog sib npaug nrog 5mpa (hla kev daug lawm).
3. Kev sib dhos thiab vuam ua ntu zus: kev tswj hwm thiab tsis txhob muaj kev ntxhov siab.
Daim phiaj yog ib qho kev sib tw sib txawv, thiab kev sib dhos tsis raug thiab cov vuam ua ntu zus tuaj yeem ua rau muaj kev tawm tsam tag nrho. Tus txheej txheem nta "Symmetrical sib dhos, fawm kib vuam, thiab kho kom zoo":
Hoobkas ua ntej (cov khoom ua kom tiav):
Txhawm rau kom txo tau ntawm -}} chaw ua haujlwm ua haujlwm ib txwm muaj rau "(piv txwv li, 3m × 3m lossis 5m daim phiaj) hauv lub hoobkas. Lub pre {- kev sib dhos platform yuav tsum tau precisely preced (kab rov tav li 2mm / 10m). Ib qho chaw nres tsheb tag nrho yog siv rau kev teeb tsa thiab muab tso rau kom ntseeg tau tias cov duab geometric ntawm cov qauv muaj raws li tus qauv (sib xyaw loj kom ntev ± 2mm). Thaum ua ntej -}}}}}}}}} Cov nodes nrog bolts ib ntus, tom qab los ntawm "Tus" Cov cuab yeej ua haujlwm Weld yuav tsum muaj ntau dua los yog sib npaug rau 70% ntawm kev siv weld tiag tiag los tiv thaiv cov koog los ntawm kev poob ntsej muag thaum lub sij hawm sib txuas thiab teeb tsa.
On -} chaw sundation thiab vuam ua ntu zus:
Kev yoog Vuam txoj kev kawm: Xaiv txoj kev teeb tsa raws li kev sib tw luv thiab qhov hnyav ntawm truss. Cov hau kev sib txawv yuav tsum muaj vuam sib txawv ua ntu zus:
Siab -} Aerial BARTEMLY TXOJ KEV (MEAP) (sib sau ua ke) los ntawm kev pab txhawb rau lub chaw. Tom qab txhua chav tsev tau sib sau ua ke, Weld cov nodes tam sim ntawd kom tiv thaiv kev tawm tsam kev tawm tsam.
Thaiv cov kev xav (nruab nrab): HOED cov tsev ua haujlwm prefabricated rau qhov chaw tsim, thiab tom qab ntawd weld cov nodes ntawm cov blocks. Vuam yog ua yeeb yam symmetrically los ntawm nruab nrab sab nraud.
Tshaj tawm txoj kev lifting (loj luv): Tom qab Truss yog sib dhos thiab welded rau hauv av, siv hydraulic nqa nws mus rau qhov kev tsim nyog. Thaum lub sijhawm nqa cov txheej txheem, saib xyuas cov synchronization ntawm txhua lub sijhawm nqa tes (deviation tsawg dua los yog sib npaug rau 5 hli). Ib zaug hauv qhov chaw, Weld lub tuam txhab txhawb nqa. Vuam kev ntxhov siab tswj: Siv "ntu vuam txuas ntxiv rau ntawm ob tog Yog tias yuav tsum muaj kev ntxhov siab yog tseev kom muaj tom qab vuam, qhov chaw sib koom ua ke tuaj yeem raug rau "annealing hauv nroog" (cua sov kom haum, thiab tom qab ntawd maj mam txias).
4. Kev soj ntsuam zoo thiab kev lees paub: nruj tswj tau thoob plaws tag nrho cov txheej txheem, deb tshaj ntawm cov qauv hlau zoo tib yam
Raws li ntev -}} {{-} Welded Trusses yog qhov ua rau cov qauv kev tshuaj ntsuam xyuas zoo heev. Cov txheej txheem yog tus cwj pwm los ntawm "tag nrho- Ua kev tshuaj xyuas thiab ntau {}} qhov ntsuas pov thawj":
Lub Hoobkas soj ntsuam: Tus Tswv Cuab Ua Ntej, Groovension cov ces kaum kev ntsuas (ntsuam xyuas siv cov ntsuas hluav taws xob ntau), thiab siv cov txheej txheem tuab) Ntawm - chaw tshuaj xyuas:
Kev sib koom ua ke vuam zoo: 100% Welds yauv tsis- kev sim (}), tsom mus rau Weld nkag, tawg, thiab porosity.
Zuag qhia tag nrho cov qhov ntev
Cov kev txhawb nqa txuas: Txheeb kev txhawb nqa Bolt Torque (yuav tsum tau ua kom tau raws li cov qauv tsim qauv, ntsuas nrog lub zog khi hluav taws xob) thiab weld zoo ntawm kev them nyiaj yug thiab daim phiaj.
Kev ntsuas kev sim: rau cov phiaj xwm tseem ceeb (xws li chaw ua haujlwm loj), "graded thauj khoom" yog ua rau simulate loads (piv txwv li lub ru tsev deavle). Qhov kev ntxhov siab kev ntxhov siab (siv hom gauges) thiab deflection ntawm daim phiaj yog saib xyuas kom meej ua raws li cov qauv tsim qauv. III. Cov ntsiab lus zoo ntawm Welded Daim Phiaj Kev Sib Tw Technology (piv nrog cov tsoos ntev-} span lug)
Kev sib piv qhov ntev: Welded Daim phiaj, tsoos hlau truss (tiaj), pob zeb ua tsev
Ntsev muaj peev xwm: Loj (20-150m), nruab nrab (15-50m), me me (tsawg dua los yog sib npaug rau 30m)
Vuam Core: Tag Nrho -}} pentration vuam ntawm nodes, uniform tag nrho kev thauj khoom thauj. Taub qab vuam ntawm cov tswv cuab, uas yog mloog zoo lub tiaj tiaj. Tsis muaj vuam, cia siab rau Rebar khi.
Qhov hnyav thiab cov khoom siv: lub teeb (kwv yees li 30-50kg / m2), cov khoom noj tsawg. Hnyav dua (kwv yees li 50-80kg / m2), high consumables. Hnyav (kwv yees li 200-300kg / m2), high consumables.
Kev tsim kho: Hoobkas ua ntej + ntawm -}}}} efficiency. High on -} chaw vuam, qis efficiency. Ntev pouring thiab kho lub sijhawm, tsis muaj peev xwm.
Seismic tiv taus thiab deformation: zoo seismic tiv taus, tsis tshua muaj kev tiv thaiv tsawg. Cov seismic tsis zoo, muaj kev tiv thaiv loj. Cov seismic tsis zoo, nquag mus ua kom tawg.
Cim npe nrov: Welded Daim phiaj, Tuam Tshoj Welded Daim Phiaj Chaw Tsim Tshuaj, Hoobkas
