Raws li qhov siab-bandwidth thiab kev nyab xeeb siab kis tau tus mob nruab nrab, fiber ntau tau siv dav hauv kev sib txuas loj. Vim tias tus nqi siab ntawm cov xov hluav taws xob thiab cov cuab yeej siv, cov khoom siv hluav taws xob feem ntau tsuas yog siv hauv lub nraub qaum ntawm lub network, uas yog, siv hauv kab ke txuas ntawm kab rov tav ntsug kab rov tav thiab cov pab pawg hauv tsev kom paub qhov sib txuas ntawm cov tsev thiab nruab nrab . Cia peb luv luv nkag siab txog kev paub yooj yim ntawm cov kab hluav taws xob sib txuas.
Ua ntej yuav pib nrog cov kab hluav taws xob fiber ntau, ua ntej xav txog qhov yuav tsum tau ua ntawm cov kab hluav taws xob tso. Feem ntau, cov kab hluav taws xob kho qhov muag yuav tsum ua tau raws li cov hauv qab no:
Qhov tsawg kawg nkaus uas tau tso cai ntawm txoj kab nkhaus ntawm qhov kho qhov muag cable yuav tsum tsis pub tsawg tshaj 20 npaug ntawm txoj kab uas hla ntawm txoj kab hluav taws xob kho qhov muag thaum tsim kho, thiab yuav tsum tsis pub tsawg dua 15 npaug ntawm txoj kab sab nraud ntawm kab hluav taws xob tom qab tsim kho. Thaum tso cov kab hluav taws xob kho qhov muag, nws yuav tsum tau rub lub zog ntawm cov kab hluav taws xob kho qhov muag yuav tsum tsis pub ntau tshaj 80% ntawm qhov tso cai nruj ntawm cov kab hluav taws xob kho qhov muag, thiab qhov siab tshaj plaws rub tam sim tam sim ntawd yuav tsum tsis ntau dua li qhov tso cai nruj ntawm qhov kho qhov muag cable. Lub hauv paus tseem ceeb yuav tsum tau ntxiv rau tus tswv cuab lub zog ntawm cov kho qhov muag cable, thiab cov kho qhov muag fiber tsis tuaj yeem ncaj ncaj dov qhov nro.
Tom qab nkag siab cov kev xav tau yooj yim ntawm kev kho qhov muag fiber ntau, cov kauj ruam tom ntej yog ua kom tiav cov xov hluav taws xob txuas hluav taws xob. Cov kab hluav taws xob feem ntau tau muab faib ua kab sab hauv tsev thiab thaiv sab nraum zoov. Hauv qab no peb yuav tshuaj xyuas lawv kom ntxaws.
1. Kev faib tawm cov kab hluav taws xob thiab kev paub thaiv
Cov khoos phis tawm sab hauv tsev feem ntau yog siv hauv kev tso kab rov tav thiab kab rov tav ntsug kab rov tav. Kev tso ntawm kab rov tav kab hluav taws xob kab hluav taws xob zoo sib xws rau cov khub sib tw, tab sis vim tias qhov kev ua tau zoo ntawm cov kab hlau kho qhov muag tsis zoo, koj yuav tsum tau ceev faj ntau dua thaum rub thiab muaj lub vojvoog loj dua ntawm qhov nkhaus. Cov kab rov tav ntsug kab rov tav kab hluav taws xob tau siv los txuas cov khoom siv chav rau chav txuas ntawm txhua chav, thiab feem ntau tau teeb tsa hauv kab txuas lossis chav riser. Txhawm rau tiv thaiv kom tsis txhob poob los yog plam, cov kab hluav taws xob kho qhov muag yuav tsum tau khov kho sab saud, qis kawg thiab nruab nrab ntawm cov channel ntawm txhua plag tsev. Raws li qhov xwm txheej ib txwm muaj, cov hlua nylon txuas lossis cov hlau txuas tuaj yeem siv rau kev kho kom zoo. Thaum kawg, roj-noob cov khoom siv tau siv los thaiv thiab kaw txhua qhov khoob ntawm cov kab hluav taws xob kho qhov muag ntawm txhua lub tsev ntawm lub tsev, thiab qhov khoob ntawm cov yeeb nkab yuav tsum raug thaiv, thiab ntsuas hluav taws xws li thaiv cov khoom pov thawj hluav taws. yuav tsum tau ua kom tiav cov txiaj ntsig ntawm kev ya raws thiab kev tiv thaiv hluav taws. Thaum tso cov kab hluav taws xob kho qhov muag, qhov ntev tsim nyog yuav tsum tau tshwj tseg raws li cov qauv tsim. Feem ntau, 5m-10m yuav tsum tau tshwj tseg ntawm cov cuab yeej kawg, thiab yog tias muaj qhov tshwj xeeb xav tau, qhov tsim nyog yuav tsum tau txuas ntxiv.
Kev tso cov kab hluav taws xob sab nraum zoov tuaj yeem faib ua ntau hom raws li ib puag ncig sib txawv. Hauv ib puag ncig xws li cov kab tsheb ciav hlau nyob deb nroog, xov tooj sab hauv nroog, kev sib txuas lus hauv qab dej thiab hauv nkoj, kev sib txuas hauv cheeb tsam hauv cheeb tsam, thiab kev sib koom tes ntiag tug, kev xaiv cov kab hluav taws xob kho qhov muag sib txawv. Cov txheej txheem txheej txheem tseem ceeb yog nyiaj siv ua haujlwm, faus ncaj qha, kav dej, hauv qab dej, sab hauv tsev, thiab lwm yam.
1. Nyiaj siv ua haujlwm kho qhov muag cable
Cov nyiaj siv ua haujlwm siv hluav taws xob feem ntau siv rau ntawm tus ncej xov tooj. Thaum tso cov nyiaj siv ua haujlwm kho qhov muag txuas hluav taws xob, thawj lub hauv paus qhib hlau ncej tuaj yeem siv tau, uas tuaj yeem txuag cov nqi tsim kho thiab ua rau lub sijhawm tsim kho luv. Txawm li cas los xij, cov nyiaj siv hluav taws xob siv hluav taws xob nyob hauv qhov chaw siab thiab muaj kev pheej hmoo rau kev puas tsuaj ntuj tsim xws li cua daj cua dub, dej khov thiab dej nyab, nrog rau cov zog sab nraud thiab ua rau lawv lub zog muaj zog tsis muaj zog. Yog li ntawd, qhov ua tsis tiav ntawm cov nyiaj siv ua haujlwm siv hluav taws xob txuas hluav taws xob siab dua li qhov ncaj qha faus thiab ducted kho qhov muag fiber thiab kho qhov muag cable. Muaj ob txoj hauv kev tseem ceeb:
Hom hlau xaim: ua ntej txuas lub xov tooj ntawm tus ncej nrog xaim dai, thiab tom qab ntawd dai cov hlua kho qhov muag ntawm txoj hlua dai nrog tus nqaj, thiab lub nra ntawm cov hlua kho qhov muag tau nqa los ntawm cov xaim dai. Hom kev txhawb nqa tus kheej: siv tus qauv txhawb nqa tus kheej ntawm cov kab hluav taws xob kho qhov muag, cov kab hluav taws xob kho qhov muag zoo li" 8&"; cov kab hluav taws xob kho qhov muag tau nqa los ntawm txoj kab txhawb tus kheej.
2. Ncaj nraim kho qhov muag cable
Ncaj nraim faus cov kab hluav taws xob ncaj qha faus cov kab hluav taws xob feem ntau yog ncaj qha faus rau hauv av, uas xav tau kev ua haujlwm ntawm kev tiv thaiv cov khoom siv sab nraud puas tsuaj thiab av xeb. Nyob ntawm cov av zoo thiab ib puag ncig, qhov tob ntawm fiber ntau optic cable faus rau hauv av yog feem ntau ntawm 0.8 meters thiab 1.2 meters. Thaum lub sij hawm tso, yuav tsum tau saib xyuas kom ua kom lub zog ntawm cov khoom siv fiber ntau nyob hauv qhov txwv txwv.
Kev tso ncaj qha faus cov kab hluav taws xob xav tau trenching. Cov txheej txheem trenching feem ntau yog 1.2m ntawm cov av zoo ib yam, 1.0m ntawm ib nrab pob zeb, 0.8m ntawm cov xuab zeb, thiab 1.2m ntawm kev khawb thaum hla kev tsheb ciav hlau thiab txoj kev loj. Hauv qab ntawm cov kab hais los saum toj no yuav tsum tau ntim nrog 10cm av zoo lossis Rau cov av av av, qhov dav ntawm qhov tob hauv qab yog feem ntau 30cm. Thaum nws tsim nyog los teeb ob lossis ntau qhov txuas hluav taws xob, qhov nrug nruab nrab ntawm cov kab hluav taws xob yuav tsum yog 5cm. Cov kav hlau lossis cov kav yas nyuaj yuav tsum tau ua ntej ua ntu hauv ntu uas feem ntau ntawm txoj kev pavement feem ntau tau nrawm. Kev tso cov kab hluav taws xob kho qhov muag yuav tsum tau muab tso rau hauv" S" zoo thaum nws ntsib txoj kab nqes, hla txoj kev tsheb ciav hlau, txoj kev loj thiab lwm qhov tshwj xeeb.
3. Cov yeeb nkab fiber optic cable
Kev tso cov yeeb nkab feem ntau nyob hauv cov nroog, thiab ib puag ncig tsis hnyav li cov nyiaj siv ua haujlwm siv hluav taws xob txuas ncaj qha thiab faus cov kab hluav taws xob ncaj qha. Yog li ntawd, tsis muaj qhov tshwj xeeb xav tau rau txoj hlua kab hlau kho qhov muag thiab tsis tas yuav muaj cov cuab yeej tiv thaiv. Ua ntej tso cov raj xa dej, qhov ntev ntawm ntu tso thiab qhov chaw ntawm qhov chaw sib txuas yuav tsum raug xaiv. Thaum tso, cov neeg kho tshuab hla los yog phau ntawv traction tuaj yeem siv. Lub zog quab yuam ntawm ib qho nqa yuav tsum tsis pub tshaj qhov tso cai nruj ntawm cov kho qhov muag cable. Cov ntaub ntawv rau cov kav dej tuaj yeem xaiv los ntawm cov pob zeb ua ke, asbestos cement, kav hlau, cov kav dej yas, thiab lwm yam raws li thaj chaw.
Lub nroog tus qauv yeeb nkab qhov loj yog feem ntau ф90MM, uas tuaj yeem haum rau 3 3-4 ntiv yas yas sub-kav. 1-inch sub-tube yog qhov tsim nyog rau cov kab hluav taws xob kho qhov muag nrog txoj kab uas hla tsawg dua 20MM. Lub raj xa hluav taws xob tau yooj yim kom muab ntxig thaum txheej txheej txheej. Thaum lub suab sib tw tsawg dua 10 meters, kev sib txhuam ntawm cov kab hluav taws xob kho qhov muag thiab sab hauv phab ntsa ntawm lub raj xa dej yuav nce ntxiv. Qhov no yuav coj qee yam teeb meem rau kev teeb tsa lub kho qhov muag cable. Yog li ntawd, kev tso cov yas yas yas hauv qab yuav tsum zam. kev txawv txav. Thaum tso cov kab hluav taws xob kho qhov muag hauv cov ciav hlau, muaj txoj kab nkhaus ntawm txoj kev nkag thiab tawm ntawm cov qhov rooj, nrog rau txoj kab nkhaus thiab qhov siab sib txawv ntawm cov qhov dej hauv cov ciav dej. Cov cuab yeej taw qhia yuav tsum tau teeb tsa raws sijhawm kom txo qis kev sib txhuam ntawm cov kab hluav taws xob kho qhov muag thiab txo qis kev sib zog ntawm cov kab hlau kho qhov muag. Ib qho cuab yeej tshwj xeeb" nylon pas nrig" yuav tsum tau siv nyob rau hauv qhov kho qhov muag cable traction sub-yeeb nkab, uas tuaj yeem rub los ntawm kab ntawm cov kws tsim txuj ci tsim nyog thiab cov kws tshaj lij. Tom qab cov kab hluav taws xob tau rub tawm, cov hlua txuas ntxiv hauv txhua lub qhov rooj yuav muab tso rau ntawm tus kheej tes. Rau kev nyab xeeb yav tom ntej, hoses lossis PE hoses feem ntau siv rau kev tiv thaiv, thiab kho nrog cov hlua txuas. Qhov kawg ntawm cov kab hluav taws xob yuav tsum tau sab laug nrog qhov ntev ntawm cov kauj thiab dai rau ntawm phab ntsa ntawm lub qhov dej, thiab yuav tsum tsis txhob raus dej.
Cov yeeb nkab fiber optic cable
4. Underwater kho qhov muag cable
Ntawm cov hom kev kho qhov muag cable tso txoj hauv kev, tso ib puag ncig ntawm cov kab hluav taws xob hauv qab dej yog qhov hnyav tshaj, yog li nws nyuaj dua los kho cov thev naus laus zis thiab ntsuas ntsuas. Feem ntau, cov kab hluav taws xob hauv qab dej yuav tsum tau siv cov hlau hlau lossis cov kab xev hlau tiv thaiv txheej txheem, thiab cov txheej txheem ntawm cov ntaub thaiv yuav tsum tau txiav txim siab kom nkag siab raws li qhov xwm txheej hydrogeological ntawm tus dej. Piv txwv li, hauv cov av pob zeb thiab cov hav dej raws caij nyoog uas muaj cov nplaim dej muaj zog, qhov twg cov kab hlau kho qhov muag raug kev puas tsuaj thiab muaj kev nruj siab, tsis tsuas yog cov hlau tuab tuab yuav tsum tau ua rau tiv thaiv, tab sis txawm tias yuav tsum tau muab ob txheej txheej thaiv. Txoj kev tsim kho yuav tsum raug xaiv raws tus dej dav, dej tob, tus nqi ntws, dej hauv txaj, tus nqi ntws, thiab dej hauv av zoo av.
Underwater kho qhov muag cable
