Kev tsim lub tsev nyob lossis lub tsev ua haujlwm tsis tuaj yeem ua tsis tau yam tsis muaj kev npaj thiab txhim kho cov dej phwj sab nraud (https://www.standartpark.ru/catalog/podzemnye-kommunikatsii/). Los ntawm txhais tau tias, qhov no yog cov kav dej phwj uas ncab los ntawm qhov chaw tso tawm ntawm qhov chaw mus rau qhov chaw tawm ntawm cov dej kho.
Cov dej phwj sab nraud muaj xws li:
- chaw kho dej khib nyiab;
- zoo;
-
pipe systems.
cev
Cov kav dej rau sab nraud yog ua los ntawm cov ntaub ntawv hauv qab no:
- cam khwb cia hlau. Cov kav dej ntawm hom no yog qhov txawv ntawm tus nqi qis;
- Ypolyethylene;
- polyvinyl chloride. Kev siv cov khoom siv no tso cai rau koj los txhim kho cov kav dej ruaj khov thiab ruaj khov uas nyuaj rau kev tawm tsam los ntawm cov tshuaj. Lub neej kev pab cuam ntawm cov kav dej ntawm hom no yog mus txog 95 xyoo.
Qhov zoo ntawm kev siv cov kav dej yas hauv kev sib raug zoo nrog cov hlau muaj xws li kev yooj yim ntawm kev teeb tsa, lub zog siab, tsis muaj cov txheej txheem corrosive hauv cov kav dej thiab siab te.
Kev txhim kho kev tshawb fawb thiab thev naus laus zis pom nws cov lus teb hauv kev tsim cov kav dej. Muaj kev khiav tawmhlau pipelines polymeric. Tam sim no, cov kav dej PVC tau siv dav hauv kev tsim kho kev lag luam. Lawv yog cov flammable me ntsis, lawv muaj siab tiv thaiv ultraviolet hluav taws xob. Rau kev txhim kho cov kav dej polyethylene siv rau cov dej phwj tuaj sab nraum zoov, cov khoom siv kim heev yog siv, ua haujlwm nrog nws yuav tsum muaj cov neeg ua haujlwm tsim nyog, nrog rau kev ua haujlwm tshwj xeeb. Thaum txhim kho cov kav dej PVC, cov teeb meem no tsis tuaj: ua hauj lwm nrog lawv yog yooj yim heev, yuav tsum tau siv sij hawm tsawg thiab siv zog.
Thaum lub tsev tsim kho, cov teeb meem ntawm dej nyab ntawm thaj av uas cov txheej txheem kev tsim kho tseem raug daws. Txhawm rau daws nws, kev siv cov kav dej sib txuas yog siv, uas yog siv los tshem tawm cov dej noo ntau dhau ntawm ib daim av (lub hauv paus ntawm lub tsev). Kev tso cov yeeb nkab yuav tsum tau ua nrog txoj kab nqes me ntsis, uas ua kom lub zog ntawm cov dej noo. Cov kav dej muaj qhov tshwj xeeb zoo li: qhov ua rau ntawm lawv qhov chaw nyob rau sab saum toj los ntawm cov dej noo ntau dhau, tom qab ntawd nws ntws hauv cov yeeb nkab thiab nkag mus rau hauv lub thawv uas tau npaj yav dhau los lossis lub qhov dej ntuj.
Cov kav dej hauv qab no yog qhov txawv:
- Nrog qhov.
- Nrog cov ntaub ntawv ntxuav.
Raws li hom raw khoom siv rau kev tsim, cov kav dej tau muab faib ua hlau, ceramic thiab polymer. Hlau thiab ceramic kav muaj ntau qhov tsis zoo. Qhov no yog qhov loj ntawm cov khoom, uas yuam kev siv cov cuab yeej hnyav rau kev teeb tsa, txheej txheem kev teeb tsa nyuaj, kev ua haujlwm qis, kev pabcuam luv luv thiab siab.tus nqi ntawm cov txheej txheem dej.
Cov kav dej yas, ntawm qhov tsis sib xws, muaj ntau yam zoo uas ua rau cov khoom lag luam ua tus thawj coj hauv cheeb tsam no. Cov no suav nrog:
PVC kav yog tsim los ntawm ib lossis ntau txheej ntawm cov khoom siv raw. Lawv tuaj yeem hloov tau (muab) lossis ncaj (nyuaj). Cov kav dej kuj txawv ntawm hom nto: lawv du lossis corrugated.
Cov kav dej rau cov dej phwj tuaj thiab cov kav dej muaj qhov sib txawv tseem ceeb (https://www.standartpark.ru/catalog/podzemnye-kommunikatsii/):
- Dej thiab dej phwj txav los ntawm cov kav dej phwj, dej hauv av yog thauj los ntawm cov kav dej.
- Ntau yam khoom siv raw yog siv rau cov kav dej, piv txwv li, hlau, ceramics, cam khwb cia hlau, polymers. Cov kav dej yog tsim los ntawm cov polymers yuav luag tag nrho.
- Cov kav dej thiab cov pob qij txha hauv lawv yuav tsum yog cov dej tsis huv, cov kav dej cia cov dej ntws los ntawm.
Ob leeg ntawm cov kav dej saum toj nonrov heev ntawm cov neeg yuav khoom, yog li muaj ntau qhov kev muab rau lawv muag ntawm cov khoom lag luam, yog li cov neeg yuav khoom muaj lub sijhawm los xaiv qhov kev xaiv zoo tshaj plaws.
