Cov khoom lag luam
Cargo khi txoj hlua khi ua si lub luag haujlwm tseem ceeb hauv cov xwm txheej ntawm theem trimari, thiab lawv cov ntawv thov tshwj xeeb yog raws li hauv qab no:
Txhim kho truss Cheebtsam:
Thaum lub sij hawm tsim kho ntawm theem trusses, ntau ntu ntawm trusses yuav tsum tau sib sau ua ke. Cargo khi txoj hlua khi khi tuaj yeem siv los kho cov seem txuas ntawm trusses kom ntseeg tau tias txhua tus sib xyaw kom nruj nreem ua ke.
Stabilizing lub erected truss:
Tom qab theem truss yog tsim, nyob rau hauv thiaj li yuav tiv thaiv nws los ntawm kev txav mus los yog lam ua cua ntsawj ntshab ib puag ncig, xws li cua ntsawj ntshab ib puag ncig, xws li cua ntsawj ntshab chaw nyob rau hauv ib puag ncig ntawm cov neeg nyob ib puag ncig thiab cov khoom siv ua ntej rau hauv av. Hauv kev tsim kho ntawm sab nraum zoov qhov twg cua dag zog yog muaj zog, ib qho kawg ntawm lub zog uas muaj kev ntxhov siab ntawm qhov kev ntxhov siab tseem ceeb ntawm truss, thiab lwm qhov kawg yog tsau rau ntawm cov av khov kho. Los kho cov nruj ntawm txoj hlua khi pluaj, nws tuaj yeem cuam tshuam qhov cuam tshuam ntawm cua dag ntawm lub truss thiab xyuas kom cov theem tseem nyob thoob plaws kev ua haujlwm.
Pab nyob rau hauv hoisting trusses:
Thaum siv cov khoom siv xws li cranes rau hoist theem loj trusses, Cargo khi cia txoj hlua tuaj yeem ua cov cuab yeej ua haujlwm. Kev hla txoj hlua khi khi los ntawm cov qhov tshwj xeeb lossis cov thav duab ntawm cov kev ntxhov siab ntawm cov kab ke ntawm kev sib tiv thaiv hauv zos ntawm tus nuv thiab truss.
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