Manhole npog yog ib yam khoom tseem ceeb hauv peb lub neej niaj hnub no, thiab cov ntaub npog manhole xav tau nyob hauv ntau qhov chaw xws li thaj chaw nyob, txoj kev thiab ntsuab, tab sis ntau tus neeg tsis nkag siab zoo.Kuv tsis ntseeg qhov nyuaj.Txhawb tsheb thiab neeg.cia peb nrhiav
Ductile hlau manhole npog yuav tsum ua kom tau raws li qhov yuav tsum tau ua kom ua tau raws li qhov yuav tsum tau ua, thiab qhov tsim nyog hardness yuav tsum tau lav tias kev siv cov ductile hlau manhole npog.Relatively siab hardness manhole npog yog qhov nyuaj rau tawg thiab muaj peev xwm ntxiv load-bearing.
Lub peev xwm ntawm ductile hlau manhole npog rau deform los yog tawg ntawm qhov chaw uas tsis muaj npog yog kuaj thaum lub sij hawm ntau lawm nyob ntawm lub taub hau zoo los ntawm tag nrho cov static load txoj kev.Kev pab them nqi hnub thiab load loj yog txawv.Hardnesses muaj xws li Brinell Hardness, Rockwell Hardness, Vickers Hardness thiab Microhardness thiab yog siv los tsim ntau hom manhole npog.
1. Cov kav hlau hlau manhole npog yog tus nqi pheej yig hauv kev tsim kho, ua rau cov khoom txuag thiab txo peev nyiaj.Thaum siv lub voj voog loj thiab hnyav hnyav, tus nqi qis dua cam khwb cia hlau.Tub sab nyiag thiab tawg tuaj yeem cawm tau
2. Kub-dip galvanized nto kho: Nws muaj zog tiv thaiv corrosion thiab tiv thaiv xeb ua haujlwm.Hlau mesh gutter npog yog txuas nrog lub thav duab los ntawm hinges, tiv thaiv tub sab nyiag, nyab xeeb thiab yooj yim qhib.
3. Lub npog ntsej muag ntawm cov hlau manhole muaj qhov zoo nkauj zoo nkauj, ntau yam qauv, cov kab yooj yim thiab cov nyiaj zoo nkauj, txawm tias siv rau ntawm txoj kev, nws yuav tsis cuam tshuam rau kev siv tag nrho.
4. Peb muaj ntau hom Ductile Iron Manhole Npog, uas tuaj yeem ua tau raws li qhov xav tau ntawm qhov chaw sib txawv, loads, spans thiab cov duab, thiab kuj tuaj yeem kho raws li qhov ntau thiab tsawg thiab cov duab muab los ntawm cov neeg siv khoom.
5. Cov dej ntws zoo, qhov dej xau yog 83.3%, ntau dua ob npaug ntawm cov hlau cam khwb cia.
6.Kev siv cov pa roj carbon steel muaj zog ua rau lub zog siab steel gratings siv rau hauv qhov ntev-ntev, siab-load puag ncig xws li docks thiab tshav dav hlau.
Kev tshaj lij kev cai manhole npog rau 20 xyoo, thov hu rau peb yog tias koj xav tau.
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Post lub sij hawm: Aug-02-2022