Na farko, an gabatar da ma'anar kariya ta tsarin kwalta ta kankare, kuma an taƙaita bincike, haɓakawa da matsayi na aikace-aikacen rigakafin kiyaye ginin kwalta a gida da waje. An gabatar da hanyoyin gine-ginen da aka saba amfani da su na rigakafi na gyaran kwalta na kwanminti, kuma an yi nazari da kuma taƙaita aikin bayan jiyya da sauran muhimman al'amurran da suka shafi rigakafin kiyaye ginin kwalta da kuma taƙaitawa, kuma ana sa ran yanayin ci gaban gaba.
Kulawa na rigakafi
Kulawa na rigakafi yana nufin hanyar kulawa da aka aiwatar lokacin da ginin tudun bai riga ya lalace ba. Yana inganta yanayin aiki na tsarin shimfidar shimfidar wuri kuma yana jinkirta lalacewa ta hanyar kwalta ba tare da ƙara ƙarfin tsarin ba. Idan aka kwatanta da hanyoyin kiyayewa na gargajiya, kiyayewa na rigakafi ya fi ƙarfin aiki kuma yana buƙatar tsari mai ma'ana don cimma tasirin da ake so.
Tun daga shekara ta 2006, tsohuwar ma'aikatar sufuri ta inganta amfani da rigakafin rigakafi a cikin ƙasa baki ɗaya. A cikin shekaru goma da suka gabata, ma'aikatan kula da injiniyoyin manyan tituna na ƙasata sun fara karɓa da yin amfani da kulawar rigakafi, kuma fasahar kiyaye rigakafi ta ƙara girma. A lokacin “tsarin shekaru biyar na goma sha biyu”, adadin kula da rigakafin a cikin ayyukan kula da kasata ya karu da kashi biyar cikin dari a kowace shekara, kuma an samu sakamako mai kyau na ayyukan tituna. Duk da haka, a wannan mataki, aikin kula da rigakafi bai riga ya girma ba, kuma har yanzu akwai wurare da yawa da za a yi nazari. Sai kawai ta hanyar tarawa da bincike da yawa na iya zama fasahar kiyaye rigakafi ta zama mafi girma kuma ta sami sakamako mai kyau na amfani.
Babban hanyoyin kiyaye rigakafi
A aikin gyaran manyan hanyoyin mota na kasata, bisa ga ma’auni da wahalar aikin, aikin gyaran ya kasu kashi: gyara, gyare-gyare kanana, gyare-gyaren matsakaita, manyan gyare-gyare da gyare-gyare, amma babu wani nau’i na daban na kula da rigakafin, wanda zai yi aiki. yana tasiri sosai wajen aiwatar da ayyukan kiyaye rigakafi. Sabili da haka, a cikin ci gaban ci gaba na gaba, kulawar rigakafi ya kamata a haɗa shi cikin iyakar kiyayewa. A halin yanzu, hanyoyin gine-ginen da aka saba amfani da su a cikin gida da waje don rigakafin kiyaye ginin kwalta ta kankare sun hada da rufewa, slurry sealing micro-surfacing, hazo da rufewar dutse.
Seling yafi hada da nau'i biyu: grouting da grouting. Gouting shine a yi amfani da manne injiniya don rufewa kai tsaye a wurin da fashe ke faruwa a saman hanya. Tun da an rufe tsagewar tare da manne, girman tsagewar ba zai iya girma da yawa ba. Wannan hanya ta dace ne kawai ga cututtuka tare da cututtuka masu laushi da ƙananan faɗuwar fashe. Lokacin gyaran gyare-gyare, ya kamata a yi amfani da gel tare da kyakkyawar viscoelasticity da kwanciyar hankali mai zafi don magance kullun, da tsagewar da suka bayyana suna buƙatar a bi da su a lokaci. Rufewa yana nufin dumama ɓarnar da aka lalatar da saman titin da yanke shi a buɗe, sannan a yi amfani da silinda don rufe riguna a cikin ramuka.
Slurry sealing micro-surface fasaha yana nufin hanyar yada wani gauraye abu da aka samar ta hanyar haɗa wani yanki na dutse, emulsified kwalta, ruwa, da filler akan farfajiyar hanya ta amfani da slurry sealer. Wannan hanya za ta iya inganta aikin hanyar hanya yadda ya kamata, amma bai dace da maganin cututtuka na hanyoyi tare da manyan cututtuka ba.
Fasahar rufe hazo tana amfani da shimfidar kwalta don fesa kwalta da aka gyara sosai a kan titin don samar da shimfidar ruwan saman hanya. Sabuwar hanyar da aka kirkira mai hana ruwa ruwa na iya inganta juriyar ruwan saman titin kuma yadda ya kamata ya hana danshi daga kara lalata tsarin ciki.
Fasahar hatimi ta Chip tana amfani da injin feshi ta atomatik don amfani da adadin kwalta da ya dace a saman titi, sannan ta watsa tsakuwa na wani nau'in girman barbashi a kan kwalta, sannan a karshe ya yi amfani da abin nadi don mirgina shi. Filayen titin da aka yi amfani da fasahar hatimin guntu ya inganta sosai aikin rigakafin skid da juriya na ruwa.