Micro-surfacing fasaha ce ta kariya ta kariya wacce ke amfani da wani nau'i na guntun dutse ko yashi, masu cikawa (siminti, lemun tsami, ash gardama, foda na dutse, da sauransu) da kwalta ta polymer-gyara kwalta, abubuwan da ke waje da ruwa a wani yanki. Mix shi a cikin wani cakuda mai gudana sannan kuma a watsa shi a ko'ina a kan shingen rufewa a saman hanya.
Nazarin tsarin shimfidar wuri da kuma abubuwan da ke haifar da cututtuka
(1) Sarrafa ingancin albarkatun ƙasa
A lokacin aikin gine-gine, sarrafa kayan da aka yi amfani da shi (ƙasassun taraccen diabase, ƙananan diabase foda, gyare-gyaren emulsified kwalta) yana farawa tare da kayan shigarwa da mai sayarwa ya bayar, don haka kayan da mai sayarwa ya ba su dole ne Akwai rahoton gwaji na yau da kullum. Bugu da ƙari, ana bincikar kayan gabaɗaya daidai da ƙa'idodin da suka dace. A yayin aikin gini, dole ne a kuma bincika ingancin albarkatun ƙasa. Idan akwai kokwanto, dole ne a bincika ingancin ba da gangan ba. Bugu da ƙari, idan an sami canje-canje a cikin kayan aiki, dole ne a sake gwada kayan da aka shigo da su.
(2) Sarrafa daidaiton slurry
A cikin tsarin daidaitawa, an ƙaddara ƙirar ruwa na cakuda slurry. Duk da haka, bisa ga tasirin zafi a kan wurin, damshin abun ciki na tarawa, yanayin zafi, yanayin daɗaɗɗen hanya, da dai sauransu, shafin sau da yawa yana buƙatar daidaita slurry bisa ga ainihin halin da ake ciki. Adadin ruwan da aka yi amfani da shi a cikin slurry mix an daidaita shi dan kadan don kula da daidaiton haɗin da ya dace da buƙatun shimfidar wuri.
(3) Micro-surface demulsification sarrafa lokaci
A lokacin tsarin gina ƙananan ƙananan hanyoyi, muhimmin dalili na matsalolin inganci shine lokacin lalatawar cakuda slurry ya yi wuri da wuri.
Rashin daidaiton kauri, tarkace, da rashin haɗin kai na kwalta da ke haifar da gurɓataccen abu duk suna faruwa ne ta hanyar lalata da wuri. Dangane da alaƙar da ke tsakanin shingen rufewa da saman hanya, lalatawar da ba ta kai ba kuma zai yi illa sosai gare shi.
Idan an gano cewa an lalata cakudar da wuri, yakamata a ƙara adadin da ya dace na retarder don canza sashi na filler. Kuma kunna canjin ruwan rigar don sarrafa lokacin karyewa.
(4) Sarrafa wariya
Yayin aikin shimfida manyan tituna, rarrabuwa na faruwa ne saboda dalilai kamar kauri mai kauri, kauri mai kauri, da alamar matsayi (mai laushi kuma tare da wani kauri).
A lokacin aikin shimfida shimfidar wuri, ya zama dole a sarrafa kauri na shimfidar, auna kauri a cikin lokaci, da yin gyare-gyare akan lokaci idan an sami wani lahani. Idan gradation na cakuda ya yi girma sosai, ya kamata a daidaita gradation na cakuda slurry a cikin kewayon gradation don inganta yanayin rarrabuwa a ƙaramin saman. Haka nan kuma sai a nika alamomin hanyar da za a yi kafin shimfida.
(5) Sarrafa kaurin shimfidar hanya
A cikin aikin shimfida manyan tituna, kauri mai kauri na gauraya mai sirara kusan sau 0.95 zuwa 1.25 ne. A cikin kewayon kima, lanƙwan ya kamata kuma ya kasance kusa da mafi kauri.
Lokacin da rabon manyan tarawa a cikin tarawa ya yi girma, dole ne a dage farawa mai kauri, in ba haka ba ba za a iya danna manyan abubuwan da aka haɗa ba a cikin murfin rufewa. Bugu da ƙari, yana da sauƙi don haifar da scratches a kan scraper.
Akasin haka, idan jimillar ta yi kyau a lokacin rabon rabon, to dole ne a yi shimfidar shimfidar titin da siriri yayin aikin shimfida babbar hanyar.
A yayin aikin ginin, dole ne a sarrafa kauri da kauri da gwadawa don tabbatar da adadin cakudar da ake amfani da shi wajen shimfida babbar hanya. Bugu da kari, yayin dubawa, ana iya amfani da na'urar sikeli don auna hatimin slurry kai tsaye a kan ƙaramin saman sabuwar babbar hanyar. Idan ya wuce wani kauri, dole ne a gyara akwatin paver.
(6) Sarrafa bayyanar babbar hanya
Don shimfida ƙananan shimfidar ƙasa a kan manyan hanyoyi, dole ne a gwada ƙarfin tsarin titin a gaba. Idan sako-sako, taguwar ruwa, rauni, ramuka, slurry, da tsagewa sun bayyana, dole ne a gyara waɗannan yanayin hanyar kafin rufe ginin.
Yayin aikin shimfida, tabbatar da kiyaye shi a tsaye kuma tabbatar da cewa shingen shinge ko gefen tituna sun yi daidai da juna. Bugu da kari, a lokacin da ake yin shimfidar, ya kamata a tabbatar da fadin shimfidar shimfidar, sannan a sanya mahaɗin gwargwadon iyawa a kan layin raba layin don sarrafa daidaiton abin da ake hadawa da hana kayan daga rabuwa da wuri a cikin akwatin shimfidar don tabbatar da cewa. su ne Adadin ruwa a lokacin aikin yana da ma'ana kuma matsakaici.
Bugu da ƙari, duk kayan dole ne a duba su yayin lodawa don cire ɓangarorin da suka wuce gona da iri, kuma dole ne a daidaita lahani a cikin lokaci yayin aiwatar da cikawa don kiyaye kamannin su santsi da daidaito.
(7) Sarrafa hanyoyin buɗe ido
Gwajin alamar takalmi hanya ce ta bincike da aka saba amfani da ita don ingancin buɗe babbar hanya yayin kula da babbar hanyar ƙaramar ƙasa. Wato sanya nauyin mutum akan tushen ko kasan takalmi kuma a tsaya akan abin rufewa na daƙiƙa biyu. Idan jimlar ba a fitar da ita ba ko kuma ta makale a takalmin mutumin lokacin barin saman rufin hatimin, ana iya la'akari da shi azaman micro surface. Bayan an gama aikin kulawa, ana iya buɗe shi zuwa zirga-zirga.