Fa'idodi da tarihin gyaran CIPPbututu

Dabarar jujjuyawar CIPP (wanda aka warke a bututu) yana da fa'idodi masu zuwa:

(1) Tsawon lokacin gini: Yana ɗaukar kusan kwana 1 ne kawai daga sarrafa kayan rufin zuwa shirye-shiryen, juyawa, dumama, da kuma warkar da wurin ginin.

(2) Kayan aiki sun mamaye wani yanki kaɗan: ƙananan tukunyar jirgi da famfunan zazzage ruwan zafi ne kawai ake buƙata, kuma yankin titin ba shi da mahimmanci yayin aikin, hayaniya ba ta da ƙarfi, kuma tasirin zirga-zirgar hanya kaɗan ne.

(3) Bututu mai rufi yana da ɗorewa kuma mai amfani: bututu mai rufi yana da fa'idodin juriya na lalata kuma yana sa juriya.Kayan abu yana da kyau, kuma yana iya magance matsalar shigar ruwa cikin ƙasa gaba ɗaya.Bututun yana da ɗan hasarar yanki mai ƙetare, wuri mai santsi, da raguwar juzu'i na ruwa (an rage juzu'in ƙima daga 0.013 zuwa 0.010), wanda ke haɓaka ƙarfin kwararar bututun.

(4) kiyaye muhalli da adana albarkatu: babu tono hanyoyin mota, babu shara, babu cunkoson ababen hawa.

An kirkiro dabarar juyar da CIPP a Burtaniya a cikin shekarun 1970s sannan aka fara aiwatar da ita a Turai da Amurka.A cikin 1983, cibiyar binciken ruwa ta Burtaniya WRC (cibiyar binciken ruwa) ta ba da ka'idojin fasaha don gyara reshe da sabunta bututun karkashin kasa a saman duniya.

Cibiyar Gwajin Kayayyakin Ƙasa ta Amurka ta ƙirƙira tare da ƙaddamar da ƙayyadaddun fasahar gini don gyaran bututun da ba shi da reshe da ƙayyadaddun atom don ƙira a cikin 1988, waɗanda ke ƙira da sarrafa fasahar.Tun daga shekarun 1990s, fasahar CIPP ta yi amfani da ita sosai a duk faɗin duniya saboda ƙarancin farashi da ƙarancin tasiri akan zirga-zirga.Dauki Japan a matsayin misali.Daga cikin kusan kilomita 1,500 na bututun da aka gyara ta hanyar amfani da fasahar da ba ta da reshe tun 1990, an gyara sama da kashi 85% na tsayin daka ta hanyar amfani da fasahar CIPP.Fasahar hanyar jujjuyawar CIPP ta balaga sosai.Ya kamata a ba da hankali sosai idan muka yi amfani da bututun ƙarfe don samar da ruwa.Komai ka sayi bututun ƙarfe maras sumul ko ERW, ya kamata ka bincika cewa an yi ainihin kayan don bututun ƙarfe.