Ma'anar da aikace-aikacen fasahar rufe slurry a cikin ginin babbar hanya
Slurry sealing yana amfani da kayan aikin injiniya don haɗawa daidai gwargwado emulsified kwalta, m da lafiya aggregates, ruwa, fillers (ciminti, lemun tsami, gardama ash, dutse foda, da dai sauransu) da Additives bisa ga tsara rabo a cikin wani slurry cakuda da uniformly An paved. a kan ainihin hanyar hanya kuma an haɗa shi da tabbaci tare da ainihin hanyar hanyar ta hanyar matakai na shafi, demulsification, rabuwar ruwa, evaporation da solidification don samar da wani m, karfi, lalacewa-resistant da hatimi na hanya, wanda ya inganta aikin haɓakawa. saman hanya.
Fasahar rufe baki ta fito a Jamus a ƙarshen 1940s. A Amurka, aikace-aikacen slurry sealant yana da kashi 60% na baƙar fata na ƙasar, kuma an faɗaɗa amfani da shi. Yana taka rawa wajen yin rigakafi da gyara cututtuka kamar tsufa, tsagewa, santsi, sako-sako, da ramuka a cikin sababbi da tsofaffin lafazin, yana mai da haɓakar abubuwan da ke hana ruwa ruwa, hana ƙeƙasasshiya, santsi da lalacewa na saman titin cikin sauri.
Har ila yau, hatimin slurry hanya ce ta hana ƙorafi don kula da shimfidar ƙasa. Tsofaffin lafuzzan kwalta sau da yawa suna da fashe da ramuka. Lokacin da saman da aka sawa, emulsified kwalta slurry sealing cakuda yana bazuwa a kan pavement a cikin wani bakin ciki Layer da ba da damar ƙarfafa da sauri da sauri, sabõda haka, da kwalta kankare pavement za a iya kiyaye. Yana da kulawa da gyare-gyare tare da manufar mayar da aikin shimfidar hanya da kuma hana ƙarin lalacewa.
Jinkirin fatattaka ko matsakaitan fashe gauraye kwalta da aka yi amfani da su a cikin slurry hatimin Layer yana buƙatar abun ciki na kwalta ko polymer ya zama kusan 60%, kuma mafi ƙarancin kada ya zama ƙasa da 55%. Gabaɗaya, anionic emulsified kwalta yana da ƙarancin mannewa ga kayan ma'adinai kuma yana ɗaukar lokaci mai tsawo don samarwa. Ana amfani da shi mafi yawa don tarawar alkaline, irin su farar ƙasa. Cationic emulsified kwalta yana da kyau adhesion zuwa acidic aggregates kuma ana amfani da mafi yawa a cikin acidic aggregates, kamar basalt, granite, da dai sauransu.
Zaɓin emulsifier na kwalta, ɗaya daga cikin sinadiran da ke cikin kwalta mai kwalta, yana da mahimmanci musamman. Kyakkyawan emulsifier kwalta ba zai iya tabbatar da ingancin ginin kawai ba amma kuma yana adana farashi. Lokacin zabar, zaku iya komawa zuwa alamomi daban-daban na kwalta emulsifiers da umarnin don amfani da samfuran da suka dace. Kamfaninmu yana samar da nau'ikan emulsifiers na maƙasudi iri-iri. Idan kuna da wasu tambayoyi, da fatan za a tuntuɓi sabis na abokin ciniki.
Za a iya amfani da hatimin slurry na kwalta don kiyaye kariya na Class II da kuma ƙasan manyan tituna, kuma ya dace da ƙaramin hatimin hatimi, sanye da Layer na kariya na sabbin manyan hanyoyi. Yanzu kuma ana amfani da shi akan manyan hanyoyi.
Rarraba hatimin slurry:
A cewar ma'adinai gradation
Dangane da daban-daban gradations na ma'adinai kayan, da slurry sealing Layer za a iya raba lafiya sealing Layer, matsakaici sealing Layer da m sealing Layer, wakilta ES-1, ES-2 da ES-3 bi da bi.
Dangane da saurin buɗewa ga zirga-zirga
Dangane da saurin buɗe zirga-zirga[1], za a iya raba hatimin slurry zuwa madaidaicin buɗaɗɗen zirga-zirgar ababen hawa da jinkirin buɗewar hatimin slurry.
Raba bisa ga ko an ƙara masu gyara polymer
Dangane da ko an ƙara mai gyara polymer, slurry sealing Layer za a iya raba zuwa slurry sealing Layer da modified slurry sealing Layer.
Rarraba bisa ga daban-daban kaddarorin na emulsified kwalta
Slurry sealing Layer ya kasu kashi talakawa slurry sealing Layer da modified slurry sealing Layer bisa ga daban-daban kaddarorin emulsified kwalta.
Raba bisa ga kauri
Dangane da kauri daban-daban, an raba shi zuwa mafi kyawun rufewa (I Layer), Layer sealing Layer (nau'in II), babban abin rufewa (nau'in III) da kauri mai kauri (nau'in IV).