Qhov zoo thiab keeb kwm ntawm CIPP khocov kav dej

CIPP flipping txheej txheem (kho nyob rau hauv qhov chaw yeeb nkab) muaj cov nram qab no zoo:

(1) Lub sijhawm tsim kho luv: Nws tsuas yog siv sijhawm li 1 hnub los ntawm kev ua cov khoom siv hauv ob sab phlu mus rau kev npaj, hloov pauv, cua sov, thiab kho qhov chaw tsim kho.

(2) Cov khoom siv nyob hauv ib cheeb tsam me me: tsuas yog cov boilers me me thiab cov twj tso kua dej kub uas xav tau, thiab thaj chaw ntawm txoj kev tsis tseem ceeb thaum lub sij hawm tsim kho, lub suab nrov tsawg, thiab kev cuam tshuam ntawm txoj kev tsheb me me.

(3) Cov yeeb nkab hauv ob sab phlu yog ruaj thiab siv tau: cov yeeb nkab hauv ob sab phlu muaj qhov zoo ntawm kev tiv thaiv corrosion thiab hnav tsis kam.Cov khoom siv zoo, thiab nws tuaj yeem daws qhov teeb meem ntawm cov dej hauv av infiltration ib zaug thiab rau tag nrho.Cov kav xa dej muaj qhov poob qis me ntsis, qhov chaw du, thiab kev sib txhuam ntawm cov dej txo qis (qhov kev sib txhuam coefficient yog txo los ntawm 0.013 mus rau 0.010), uas txhim kho lub peev xwm ntawm cov kav dej.

(4) khaws cia ib puag ncig thiab txuag cov peev txheej: tsis muaj kev khawb av, tsis muaj khib nyiab, tsis muaj tsheb thauj mus los.

Cov txheej txheem CIPP inversion tau tsim nyob rau hauv tebchaws United Kingdom hauv xyoo 1970 thiab tom qab ntawd tau pib siv hauv Tebchaws Europe thiab Tebchaws Meskas.Xyoo 1983, lub chaw tshawb fawb dej hauv tebchaws Askiv WRC (chaw tshawb fawb dej) tau tshaj tawm cov txheej txheem rau kev kho cov ceg tsis muaj ceg thiab rov ua dua tshiab ntawm cov kav dej hauv av nyob rau sab saud ntawm lub ntiaj teb.

National Materials Testing Center ntawm lub tebchaws United States tsim thiab tshaj tawm cov kev tsim kho specification rau branchless pipeline kho thiab atm specification rau structural tsim nyob rau hauv 1988, uas tus tsim thiab kev tsim kho kev tswj ntawm lub tshuab.Pib txij xyoo 1990, CIPP thev naus laus zis tau siv dav thoob plaws ntiaj teb vim nws tus nqi qis thiab muaj kev cuam tshuam tsawg rau kev khiav tsheb.Coj Nyiv ua piv txwv.Ntawm qhov kwv yees li 1,500 kis lus mev ntawm cov kav dej uas tau kho dua siv cov cuab yeej tsis muaj ceg txij li xyoo 1990, ntau dua 85% ntawm tag nrho qhov ntev tau kho siv CIPP thev naus laus zis.Lub tshuab ntawm CIPP overturning txoj kev yog paub tab heev.Cov ntaub ntawv yuav tsum tau ua tib zoo saib yog tias peb siv cov yeeb nkab steel rau dej.Txawm hais tias koj yuav ib lub seamless lossis ERW steel yeeb nkab, koj yuav tsum xyuas tias cov khoom qub yog tsim rau cov yeeb nkab steel.