Hniav laj kab hlau laj kab yog ib qho laj kab kev nyab xeeb tshwj xeeb uas siv ib puag ncig lub tshav dav hlau. Hniav laj kab hlau laj kab yog ua los ntawm cov qib qis carbon hlau zoo lossis aluminium magnesium alloy hlau los ntawm tshuaj tsuag vuam. Qhov zoo ntawm cov hniav laj kab laj kab yog cov qauv yooj yim, txhim kho yooj yim thiab thauj mus los yooj yim. Tus qauv ntawm cov hniav laj kab hlau laj kab yog qhov tsim nyog rau siv hauv thaj chaw roob thiab thaj chaw uas muaj qhov chaw nqes hav ntau dua. Hniav barbed hlau laj kab tau txais tos los ntawm cov neeg vim tias nws tus nqi qis thiab ua tau zoo heev. Cov kws tshuaj hauv qab no yuav qhia yuav ua li cas yuav tshav dav hlau Seine! Thaum yuav cov hniav laj kab hlau laj kab, cov neeg siv yuav tsum xyuam xim rau qee cov ntsiab lus. Tus kws kho mob txheeb tawm ob peb yam teeb meem uas tshwm sim feem ntau thaum yuav cov hlua thaiv hlua khi hlua khi. Cia peb saib!
Thov ua tib zoo saib cov ntsiab lus hauv qab no thaum yuav khoom siv hlua khi hlua khi:
1. Mesh qhov loj ntawm cov saw hlau thaiv kab thaiv. Daim phiaj loj yuav cuam tshuam ncaj qha rau qhov zoo thiab tus nqi ntawm cov hniav laj kab laj kab. Yog li ntawd, thaum yuav cov hniav laj kab laj kab laj kab, daim phiaj loj yog thawj qhov teeb meem raug sim. Txawm li cas los xij, yog tias tus thawj coj tsis muaj nyiaj tsawg, tsis txhob txhawj ntau txog nws.
2. Txoj kab uas hla ntawm cov hlau xaim ntawm cov saw hlau thaiv txoj hlua khi. Txoj kab uas hla ntawm cov hniav laj kab laj kab cuam tshuam nrog qhov ntau ntawm cov khoom siv. Nws tseem yog qhov ntsuas tseem ceeb cuam tshuam rau qhov zoo thiab tus nqi ntawm cov laj kab. Nws raug nquahu kom siv lub cuab yeej los ntsuas txoj kab uas hla. Koj tuaj yeem siv lub vernier caliper. Yog tsis yog, yuav ib qho. Tom qab tag nrho, nws tus nqi tsuas yog kaum ob yuan.
3. Qhov ntev ntawm lwm cov ntaub ntawv. Qhov zoo ntawm cov hniav laj kab laj kab laj kab kuj tseem yog ib feem tseem ceeb ntawm tag nrho laj kab, uas yuav cuam tshuam rau tus nqi ntawm cov hniav laj kab hlau laj kab. Yog li ntawd, thaum lub sijhawm yuav khoom, qhov ntev, dav thiab tuab ntawm cov khoom siv rau cov hniav laj kab hlau laj kab yuav tsum raug kuaj, tshwj xeeb tshaj yog kev ntsuas tuab, uas yog qhov tseem ceeb cuam tshuam rau qhov zoo ntawm cov hniav laj kab laj kab.
4. Txheej txheej zoo. Feem ntau, lub laj kab laj kab hauv tshav dav hlau xav tau kev kho saum npoo av txhawm rau tiv thaiv kev xeb thiab ua haujlwm lub neej ntawm lub laj kab laj kab dav dav. Cov txheej txheej txheej rau cov hniav thaiv kab hlau thaiv muaj xws li txheej txheej, txau, galvanizing thiab kub-dip galvanizing. Txawm hais tias koj yuav tsis paub qhov kev paub no, koj yuav tsum paub ntau ntxiv txog kev nkag siab yooj yim.
5. Paub qhov txawv thiab xaiv hom guardrail. Lub laj kab tuaj yeem faib ua ntau hom sib txawv raws li lub hom phiaj. Hom guardrail tsim nyog tuaj yeem raug xaiv raws li qhov chaw siv, thiab cov guardrails sib txawv muaj tus nqi sib txawv. Tus nqi sib txawv tseem loj, yog li peb yuav tsum xaiv raws li hom peb xav tau.
Sijhawm Tshaj Tawm: Sep-22-2021