A cikin 'yan shekarun nan, micro-surfacing ya zama mafi amfani da shi azaman tsarin kulawa na rigakafi. Haɓaka fasahar kere-kere ta wuce matakan da suka biyo baya har zuwa yau.
Mataki na farko: jinkirin-crack da jinkirin saita hatimin slurry. A lokacin Tsari na Shekaru Biyar na takwas, fasahar emulsifier ɗin kwalta da aka samar a ƙasata ba ta kai matsayin da ta dace ba, kuma ana amfani da na'urorin da ke da saurin fashewa bisa lignin amine. Kwalta na kwalta da aka samar wani nau'in kwalta ne mai saurin fashewa kuma a hankali, don haka ana ɗaukar lokaci mai tsawo don buɗe zirga-zirgar bayan an ɗora hatimin slurry, kuma tasirin bayan ginin ba shi da kyau sosai. Wannan matakin yana kusan daga 1985 zuwa 1993.
Mataki na biyu: Tare da ci gaba da gudanar da bincike na manyan jami'o'i da cibiyoyin bincike na kimiyya a masana'antar manyan tituna, aikin emulsifiers ya inganta, kuma sannu-sannu da fasa kwalta da saurin saita kwalta sun fara bayyana, galibi nau'ikan emulsifiers anionic sulfonate. Ana kiranta: jinkirin fashewa da saurin kafa hatimin slurry. Tsawon lokaci ya kasance daga 1994 zuwa 1998.

Mataki na uku: Ko da yake aikin emulsifier ya inganta, hatimin slurry har yanzu ba zai iya cika sharuɗɗan hanyoyi daban-daban ba, kuma ana gabatar da buƙatu mafi girma don alamun wasan kwaikwayo na ragowar kwalta, don haka manufar gyara hatimin slurry ya bayyana. Styrene-butadiene latex ko chloroprene latex ana saka shi a cikin kwalta ta emulsified. A wannan lokacin, babu buƙatun mafi girma don kayan ma'adinai. Wannan mataki yana daga kimanin 1999 zuwa 2003.
Mataki na hudu: fitowar micro-surfacing. Bayan da kamfanonin kasashen waje irin su AkzoNobel da Medvec suka shiga kasuwannin kasar Sin, bukatunsu na kayayyakin ma'adinai da kwalta kwalta da aka yi amfani da su a cikin hatimin slurry sun sha bamban da na tambarin slurry. Hakanan yana sanya buƙatu mafi girma akan zaɓin albarkatun ƙasa. An zaɓi Basalt azaman kayan ma'adinai, mafi girman yashi daidai buƙatun, gyare-gyaren emulsified kwalta da sauran yanayi ana kiran su micro-surfacing. Lokacin yana daga 2004 zuwa yanzu.
A cikin 'yan shekarun nan, ƙananan ƙararrakin da ke rage amo ya bayyana don magance matsalar amo na micro-surfacing, amma aikace-aikacen ba su da yawa kuma sakamakon bai gamsu ba. Don inganta haɓakar ƙira da ƙima na cakuda, fiber micro-surfacing ya bayyana; don magance matsalar raguwar man fetur na asalin hanyar hanya da mannewa tsakanin cakudawa da kuma ainihin hanyar hanya, an haifi danko-ƙara fiber micro-surfacing.
Ya zuwa karshen shekarar 2020, jimillar nisan manyan tituna da ke aiki a fadin kasar ya kai kilomita miliyan 5.1981, inda kilomita 161,000 ke bude wa zirga-zirgar ababen hawa. Akwai kusan hanyoyin kiyaye kariya guda biyar da ake da su don titin kwalta:
1. Su ne hazo sealing Layer tsarin: hazo sealing Layer, yashi sealing Layer, da yashi-dauke da hazo seal Layer;
2. Tsakuwa sealing tsarin: emulsified kwalta tsakuwa sealing Layer, zafi kwalta tsakuwa sealing Layer, modified kwalta tsakuwa sealing Layer, roba kwalta tsakuwa sealing Layer, fiber tsakuwa sealing Layer, mai ladabi surface;
3. Slurry sealing tsarin: slurry sealing, modified slurry sealing;
4. Tsarin micro-surfacing: micro-surfacing, fiber micro-surfacing, da viscose fiber micro-surfacing;
5. Tsarin kwanciya mai zafi: murfin Layer na bakin ciki, NovaChip ultra-bakin ciki sawa Layer.
Daga cikin su, ana amfani da micro-surfacing sosai. Amfaninsa shine cewa ba wai kawai yana da ƙananan farashin kulawa ba, amma har ma yana da ɗan gajeren lokacin ginin da kuma tasirin magani mai kyau. Yana iya inganta aikin hana guje-guje da tsalle-tsalle na hanyar, da hana zubar ruwa, da inganta kamanni da santsin hanyar, da kuma kara karfin yin lodin hanyar. Yana da fa'idodi da yawa da yawa wajen hana tsufa na lafa da kuma tsawaita rayuwar layin. Ana amfani da wannan hanyar kulawa sosai a ƙasashe masu ci gaba kamar Turai da Amurka da kuma China.