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nug tam sim noDirect Buried Fiber Optic Cable Siv txoj kev
Direct faus fiber ntau optic cable yog tsim los ntsia ncaj qha rau hauv av yam tsis tas yuav tsum muaj kev tiv thaiv ntxiv. Txoj kev tsim kho no muaj ntau yam txiaj ntsig, suav nrog kev txuag nqi thiab txo lub sijhawm teeb tsa. Ntawm no yog ib qho kev nthuav dav ntawm cov ntsiab lus tseem ceeb ntawm txoj kev ncaj qha faus fiber ntau optic cable:
1. Cable tsim thiab qauv
Sab nrauv: Cov ntaub qhwv sab nrauv feem ntau yog ua los ntawm cov khoom siv ruaj khov, siab ntom ntom polyethylene (HDPE) lossis cov khoom zoo sib xws. Qhov no muab kev tiv thaiv ib puag ncig xws li ya raws, tshuaj lom neeg, thiab kev puas tsuaj.
Armor: Muaj ntau cov kab faus ncaj qha suav nrog txheej armor, feem ntau yog ua los ntawm corrugated steel daim kab xev lossis lwm yam khoom siv hlau, los tiv thaiv cov nas puas thiab cuam tshuam rau lub cev.
Cov tswvcuab muaj zog: Cov no yog embedded nyob rau hauv lub cable los muab ntxiv tensile zog. Cov ntaub ntawv zoo li aramid yarn (Kevlar) lossis fiberglass rods feem ntau yog siv.
Dej thaiv cov ntsiab lus: Txhawm rau tiv thaiv cov dej nkag, gel-filled los yog dej thaiv kab xev yog muab tso rau hauv cov qauv cable.
Buffer Tubes: Cov fibers kho qhov muag tau nyob hauv cov raj tsis muaj zog uas tiv thaiv lawv los ntawm kev ntxhov siab thiab ib puag ncig.
Optical Fibers: Cov khoom tseem ceeb, cov fibers kho qhov muag, yog tsim los ntawm iav los yog yas thiab muaj lub luag haujlwm rau kev xa cov ntaub ntawv ntawm lub teeb liab.
2. Kev teeb tsa
Trenching: Ib qho trench yog excavated raws li txoj kev cable. Qhov tob thiab dav ntawm lub trench nyob ntawm seb cov kev cai tshwj xeeb thiab cov cai hauv zos, feem ntau nyob ib ncig ntawm 1-1.5 meters tob.
Cov txaj pw: Ib txheej ntawm cov mos mos, xoob av lossis xuab zeb yog muab tso rau hauv qab ntawm lub trench los muab lub cushion rau cable.
Tso lub Cable: Lub fiber optic cable yog unrolled thiab nteg ncaj qha rau hauv lub trench. Kev saib xyuas yog ua kom tsis txhob muaj kev khoov ntse thiab cov neeg kho tshuab kev ntxhov siab uas tuaj yeem ua rau lub cable puas.
Backfilling: Lub trench yog backfilled nrog excavated av los yog xuab zeb, xyuas kom meej tias lub cable yog zoo npog thiab tiv thaiv los ntawm kev cuam tshuam ncaj qha.
Restoration Deg: Qhov saum npoo tau rov qab los rau nws qhov qub, uas yuav cuam tshuam nrog kev cog nyom, kho pavements, lossis lwm yam kev kho kom rov zoo.
3. Kev txiav txim siab thiab kev coj ua zoo tshaj plaws
Txoj Kev Npaj: Kev npaj txoj hauv kev zoo yog qhov tseem ceeb kom tsis txhob muaj cov khoom siv hauv av thiab cov teeb meem uas twb muaj lawm.
Kev Tiv Thaiv Ib puag ncig: Kev ntsuas yuav tsum tau ua kom txo qis kev cuam tshuam ib puag ncig thaum lub sijhawm teeb tsa.
Daim kab xev nplaum: Ib daim kab xev ntes tau feem ntau muab tso rau saum cov kab hauv lub trench kom ceeb toom rau yav tom ntej excavators rau lub xub ntiag ntawm cable.
Kev kuaj thiab cov ntaub ntawv: Tom qab kev teeb tsa, lub fiber optic cable raug kuaj xyuas kom ntseeg tau tias cov teeb liab ncaj ncees. Cov ntaub ntawv ntxaws ntxaws ntawm cov txheej txheem kev teeb tsa thiab txoj hauv kev cable kuj tseem ceeb.
4. Qhov zoo
Nqi-zoo: Tshem tawm qhov xav tau ntawm cov kav dej tiv thaiv, txo cov khoom siv thiab cov nqi zog.
Kev ua tau zoo: Kev teeb tsa sai dua piv rau lwm txoj hauv kev, xws li tso cov kab hauv ducts.
Durability: Tsim los tiv thaiv ib puag ncig hnyav thiab kev ntxhov siab.
5. Kev sib tw
Initial Installation Disruption: Trenching tuaj yeem ua rau muaj kev cuam tshuam ib ntus rau cov toj roob hauv pes thiab cov vaj tse uas twb muaj lawm.
Kho Complexity: Nyob rau hauv cov ntaub ntawv ntawm kev puas tsuaj, nkag mus thiab kho lub cable yuav nyuaj dua piv rau ducted installations.
Kev nkag siab txog txoj kev siv hluav taws xob ncaj qha rau hauv fiber ntau optic yog qhov tseem ceeb rau cov kws tshaj lij hauv xov tooj, cov thawj tswj xyuas qhov project, thiab pab pawg txhim kho kom ntseeg tau tias kev xa tawm ntawm fiber ntau optic tes hauj lwm zoo. Kev npaj kom raug, ua tiav, thiab ua raws li cov qauv kev lag luam yog qhov tseem ceeb rau kev txhim kho kom tiav.
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