Covob chav hlau meshmuaj cov txheej txheem yooj yim, cov khoom siv tsawg, cov nqi ua haujlwm tsawg, thiab yooj yim rau kev thauj mus los ntev, yog li tus nqi tsim nyog tsawg; hauv qab ntawm lub laj kab thiab cov phab ntsa cib-pob zeb yog kev sib xyaw ua ke, uas ua rau muaj txiaj ntsig zoo ntawm qhov tsis muaj kev nruj ntawm lub vas thiab txhim kho kev tiv thaiv kev ua haujlwm. Tam sim no nws tau txais dav los ntawm cov neeg siv khoom nrog cov ntim loj. Hais txog cov tsos ntawm rusty headings ntawm ob sab ntawm lub laj kab laj kab, qhov laj thawj tseem ceeb yog vim li cas qhov tshwm sim tau ua rau muaj kev cuam tshuam loj heev, xws li baffle, stud txav, lossis lwm yam thiab qhov tseem ceeb ntawm kev siv lub cev.
Tsawg-hydrogen electrode yog siv rau monotonous thiab tshem tawm cov roj thiab xeb ntawm qhov chaw vuam, preheating ua ntej vuam thiab kev kho cua sov tom qab vuam. Yuav ua li cas nws thiaj li qeeb qeeb xeb, tiv thaiv xeb, thiab ua kom ntev kev pab cuam lub neej. Raws li cov ntaub ntawv raw, txhawm rau siv ob sab ntawm lub laj kab hlau, xaiv cov ntaub ntawv siv ntau dua, thiab tom qab ntawd mus los ntawm kev tiv thaiv corrosion xws li txheej txheej, dipping, thiab kub-dip galvanizing.
Cov tsos ntawm cov khoom no tau ob npaug, ntau lawm thiab siv tus nqi ntawmob chav hlau meshtau txuas ntxiv, thiab kev siv tus nqi tau nce ntxiv. Cement cua: Vim tias cov pa cement yog qhov nyuaj, peb xaiv cov khoom siv perforating, tseem hu ua cov khoom siv hauv av. Lub ob sab guardrail yog welded nrog ib tug flange nyob rau hauv qab ntawm kem, xuas nrig ntaus rau hauv av, thiab ces ncaj qha siv lub expansion ntsia hlau rau punch qhov muaj nuj nqi. , Hom cwj pwm no muaj feem xyuam nrog kev sib tsoo, yog li tsawg tus neeg xaiv.
Post lub sij hawm: Sep-18-2020