Mun san cewa tushe Layer na bitumen pavement ya kasu kashi Semi-m da m. Tun da tushe mai tushe da saman saman kayan abu ne na kaddarorin daban-daban, haɗin gwiwa mai kyau da ci gaba da ƙarfi tsakanin su biyu shine mabuɗin buƙatun wannan nau'in pavement. Bugu da ƙari, lokacin da bitumen pavement ya sami ruwa, yawancin ruwan zai tattara ne a kan haɗin gwiwa tsakanin saman da ƙasa, wanda zai haifar da lalacewa ga pavetin na bitumen kamar grouting, kwance, da ramuka. Sabili da haka, ƙara ƙaramin hatimi a kan tsaka-tsakin tsaka-tsaki ko tsayayyen tushe zai taka muhimmiyar rawa wajen haɓaka ƙarfi, kwanciyar hankali da ƙarfin hana ruwa na tsarin shimfidar shimfidar shimfidar wuri. Mun san cewa fasahar da aka fi amfani da ita ita ce yin amfani da fasahar abin hawa mai sarrafa guntu.

Matsayin ƙaramin hatimi na abin hawa mai daidaita guntu

1. Haɗin haɗin kai
Akwai bambance-bambance a bayyane tsakanin shimfidar bitumen da tsaka-tsaki ko tushe mai tsauri dangane da tsari, kayan haɗin gwiwa, fasahar gini da lokaci. Haƙiƙa, an kafa farfajiya mai zamiya tsakanin saman saman da kuma gindin tushe. Bayan ƙara ƙananan hatimin hatimi, za'a iya haɗawa da shimfidar wuri da tushe daidai.

2. Canja wurin lodi
Ƙarƙashin saman bitumen da madaidaicin madauri ko ƙaƙƙarfan tushe na taka rawa daban-daban a cikin tsarin ginin pavement.
Layin saman bitumen yana taka rawa na hana zamewa, hana ruwa, hana surutu, zamewa da tsagewa, kuma yana ɗaukar kaya zuwa tushe.
Don cimma manufar canja wurin kaya, dole ne a sami ci gaba mai ƙarfi tsakanin farfajiyar saman da tushe mai tushe, kuma ana iya samun wannan ci gaba ta hanyar aiwatar da ƙaramin hatimi (adhesive Layer, permeable Layer).

3. Inganta ƙarfin saman hanya
Matsakaicin juriya na saman saman bitumen ya bambanta da na madaidaicin madauri ko tsayayyen Layer tushe. Lokacin da aka haɗa su tare a ƙarƙashin kaya, yanayin yaduwar damuwa na kowane Layer ya bambanta, kuma nakasar kuma ta bambanta. Ƙarƙashin nauyin tsayin daka da ƙarfin tasiri na gefe na abin hawa, Layer Layer zai sami halin ƙaura dangane da tushe na tushe. Idan juzu'in ciki da mannewar saman saman kanta da lankwasawa da damuwa a kasan saman saman ba za su iya jure wa wannan damuwa na ƙaura ba, saman Layer zai sami matsaloli kamar turawa, rutting, ko ma sassautawa da bawo, don haka Ana buƙatar ƙarin ƙarfi don hana wannan motsi na interlayer. Bayan da aka ƙara ƙananan hatimi, juriya na juriya da ƙarfin haɗin gwiwa don hana motsi yana ƙaruwa tsakanin yadudduka, wanda zai iya aiwatar da haɗin kai da ayyukan miƙa mulki tsakanin rigidity da sassauci, don haka Layer Layer, tushe Layer, matashin matashin kai da kuma daidaitawa. Tushen ƙasa zai iya tsayayya da kaya tare. Don cimma manufar inganta ƙarfin gaba ɗaya na shimfidar.

4. Mai hana ruwa ruwa da kuma hana ganima
A cikin tsarin shimfidar bitumen mai nau'i-nau'i na babbar hanya, aƙalla Layer ɗaya dole ne ya kasance nau'in I-nau'in simintin siminti mai yawa. Amma wannan bai isa ba, saboda ban da abubuwan ƙira, ginin kwalta na kankare kuma yana shafar abubuwa daban-daban kamar ingancin bitumen, kaddarorin kayan dutse, ƙayyadaddun kayan kayan dutse da ma'auni, rabon kwalta, kayan haɗawa da shimfidawa, mirgina zafin jiki. da lokacin mirgina. Tasiri Da farko, ya kamata ya zama mai ɗorewa da kyau sosai kuma ruwa ya kusan zama sifili, amma yawan ruwa yakan yi yawa saboda gazawar wata hanyar haɗin gwiwa, don haka yana shafar ikon hana gani na bitumen pavement. Har ma yana shafar kwanciyar hankali na bitumen pavement kanta, tushe da tushe na ƙasa. Don haka, lokacin da saman bitumen ya kasance a cikin wurin damina kuma raƙuman suna da yawa kuma ɗigon ruwa ya yi tsanani, ya kamata a yi shimfidar ƙananan hatimi a ƙarƙashin saman bitumen.

Tsarin gine-gine na abin hawa na rufewa tare da rufewa

Ka'idar aiki na hatimin tsakuwa na aiki tare shine yin amfani da kayan aikin musamman na gini——abin hawa mai haɗawa da sikirin sikirin don fesa bitumen mai zafi mai zafi da tsafta da busassun tsakuwa iri ɗaya a saman titi kusan lokaci guda, kuma an kammala bitumen da duwatsu a cikin gajeren lokaci. Haɗe, da ci gaba da ƙarfafa ƙarfi ƙarƙashin aikin lodi na waje.

Matsakaicin guntu mai daidaitawa na iya amfani da nau'ikan bitumen iri daban-daban: Tallausan bitumen tsantsa, gyare-gyaren bitumen polymer SBS, bitumen emulsified,  polymer modified emulsified bitumen, diluted bitumen, da dai sauransu 140°C ko zafi SBS da aka gyara bitumen zuwa 170°C, yi amfani da mai shimfida bitumen don  fesa bitumen daidai gwargwado a saman tushe mai tsauri ko tsaka-tsaki, sannan kuma yada jimillar daidai gwargwado. Jimlar tsakuwa ce ta farar ƙasa mai girman 13.2 ~ 19mm. Ya kamata ya zama mai tsabta, bushe, ba shi da yanayin yanayi da ƙazanta, kuma yana da siffa mai kyau. Adadin dutsen da aka murkushe yana tsakanin kashi 60 zuwa 70% na filin da aka shimfida.
Adadin bitumen da tara shine 1200kg · km-2 da 9m3 · km-2  bi da bi ta nauyi. Gina bisa ga wannan shirin yana buƙatar daidaito mai yawa a cikin adadin feshin bitumen da yaɗuwar jimillar, don haka dole ne a yi amfani da abin hawa na ƙwararren bitumen macadam synchronous don gini. A saman saman siminti-tsayayyen macadam wanda aka fesa ta cikin Layer, adadin feshin ya kai kusan 1.2~2.0kg·km-2 na bitumen mai zafi ko SBS da aka gyara, sannan Layer na dakakken bitumen tare da Girman barbashi guda ɗaya yana watsa shi daidai. Girman barbashi na tsakuwa da tsakuwa yakamata ya dace da girman barbashi na kwalta kwalta da aka yi akan shimfidar ruwa mai hana ruwa. Wurin da ake yadawa shine kashi 60-70% na cikakken pavement, sannan an daidaita shi tare da abin nadi na taya na roba har sau 1-2 don samarwa. Manufar yada tsakuwa tare da girman barbashi ɗaya shine don kare rufin da ke hana ruwa lalacewa ta hanyar tayoyin motocin gini kamar manyan motoci da na'urar rarrafe na bitumen paver yayin ginin, da kuma hana bitumen da aka gyara daga narkar da shi da girma. yanayin zafi da cakuɗen kwalta mai zafi. Manne dabaran zai shafi ginin.
A ka’ida, dakakken duwatsun ba sa haduwa da juna. Lokacin da aka shimfida cakuda kwalta, cakuda mai zafin jiki zai shiga tazara tsakanin duwatsun da aka murkushe, ya sa fim din bitumen da aka gyara ya zama mai zafi da narkewa. Bayan birgima da murƙushewa, dutsen dakakken farin ya zama tsakuwar bitumen an haɗa shi a cikin ƙasan tsarin tsarin bitumen don samar da shi gabaɗaya, kuma an samar da "launi mai arzikin mai" mai kusan cm 1.5 a ƙasan tsarin. Layer, wanda zai iya yin tasiri yadda ya kamata na Layer mai hana ruwa.

Abubuwan da ke buƙatar kulawa yayin gini

(1) Don samar da fim ɗin bitumen uniform da kauri daidai-wani ta hanyar fesa ta hanyar hazo, dole ne a ƙona bitumen mai zafi na yau da kullun zuwa 140°C, kuma yanayin zafin bitumen da aka gyara na SBS dole ne ya kasance sama da 170°C.
(2) Zazzabi na ginin hatimin bitumen bai kamata ya zama ƙasa da 15°C ba, kuma ba a ba da izinin ginin a cikin iska, hazo mai yawa ko damina.
3 tsawo na bututun ƙarfe.
(4) Motar ɗin da ke aiki tare da tsakuwa ya kamata ta yi gudu a daidai gudu da kuma gudu iri ɗaya. Ƙarƙashin wannan jigo, ƙimar yaɗuwar kayan dutse da abin ɗaure dole ne su dace.
(5) Bayan an yayyafa bitumen da tsakuwa da aka gyara (watse), gyara ko facin hannu ya kamata a yi nan take, kuma gyaran shine wurin farawa, ƙarshen ƙarshen, haɗin gwiwa mai tsayi, mai kauri sosai,  sirara ko rashin daidaituwa.
(6) Aika wani mutum na musamman ya riƙe tsintsiya madaurinki ɗaya don bin abin hawa na haɗin gwiwa, sannan ya share duwatsun da aka niƙa a waje da faɗin shimfidar (wato faɗin bitumen da ke yaɗuwa) cikin faɗin shimfidar  cikin lokaci, ko ƙarawa. baffa don hana murkushe duwatsu Popup Pave Width.
(7) Lokacin da aka yi amfani da duk wani abu akan abin hawa na haɗin gwiwar guntu, ya kamata a kashe maɓallan tsaro don duk isar da kaya nan take, sauran adadin kayan yakamata a duba, kuma a duba daidaiton haɗakarwa.

Tsarin gine-gine
(1) Mirgina. Ba za a iya mirgina Layer ɗin da aka fesa (yafaye) ba nan da nan, in ba haka ba babban zafin da aka gyara zai manne da tayoyin rola ɗin titin mai tayoyin roba kuma ya nisantar da tsakuwa. Lokacin da zafin bitumen da aka canza SBS ya faɗi zuwa kusan 100°C, ana amfani da abin nadi mai nau'in roba don daidaita matsa lamba don tafiya ɗaya, kuma saurin tuƙi shine 5-8km·h-1, ta yadda za a danna tsakuwa. a cikin bitumen da aka gyara kuma an haɗa su da ƙarfi.
(2) Kiyayewa. Bayan an yi shimfidar hatimin, an haramta shi sosai don motocin gini su yi birki ba zato ba tsammani su juya. Dole ne a rufe titin, kuma bayan an gama gina Layer ɗin hatimin bitumen da aka gyara na SBS tare da gina ƙaramin Layer, ƙaramin Layer ɗin ya kamata a gina nan da nan, kuma ƙananan Layer za a iya buɗewa kawai don zirga-zirga bayan ƙasa. Layer an shimfida. A saman Layer ɗin da ba ya hana ruwa ya daidaita ta hanyar robobin roba, alaƙar da ke tsakanin tsakuwa da bitumen tana da ƙarfi sosai, kuma ductility (na roba) na bitumen da aka gyara yana da girma, wanda zai iya jinkiri sosai da rage faɗuwar layin tushe. a saman Layer ta hanyar fasa rawar daɗaɗɗen Layer mai ɗaukar damuwa.
(3) Binciken ingancin kan-site. Binciken kamanni ya nuna cewa yaduwar bitumen na saman hatimin bitumen yakamata ya kasance ko da ba ya zubowa ba kuma man ya yi kauri sosai; Layer na bitumen da jimillar adadin tsakuwa mai girman guda ya kamata a yada shi daidai ba tare da nauyi mai nauyi ko yayyo ba. An raba gano adadin yayyafawa zuwa jimlar adadin adadin da gano maki guda; tsohon yana sarrafa adadin yayyafawa gabaɗaya na ɓangaren ginin, yana auna tsakuwa da bitumen, yana ƙididdige wurin yayyafawa gwargwadon tsayi da faɗin sashin yayyafawa, sannan yana ƙididdige adadin yayyafa sashen ginin. Yawan aikace-aikacen gabaɗaya; na karshen yana sarrafa ƙimar aikace-aikacen maki ɗaya da daidaito.
Bugu da kari, gano wuri guda yana ɗaukar hanyar sanya farantin: wato, yi amfani da tef ɗin ƙarfe don auna farfajiyar farantin murabba'i (farantin enamel), kuma daidaito shine 0.1cm2, kuma yawan adadin an auna farantin murabba'in zuwa daidaiton 1g; ba da gangan zaɓi ma'auni a cikin sashin feshin na yau da kullun, sanya faranti murabba'i 3 a cikin faɗin shimfidawa, amma yakamata su guji hanyar dabarar abin hawa, tazarar da ke tsakanin faranti murabba'in 3 3 ~ 5m, da lambar hannun jarin Ma'auni anan ana wakilta shi da matsayin farantin murabba'i na tsakiya; Ana yin babbar motar hatimin guntu mai aiki tare bisa ga saurin gini da hanyar yadawa; Ɗauke farantin murabba'in da aka karɓi samfura, sannan a yayyafa bitumen da tsakuwa a kan sarari cikin lokaci, a auna nauyin farantin murabba'in, bitumen, da tsakuwa, daidai zuwa 1g; Kididdigar yawan bitumen da tsakuwa a cikin murabba'in farantin; a fitar da tsakuwa tare da tweezers da sauran kayan aiki, jiƙa da narkar da bitumen a cikin trichlorethylene, bushe tsakuwa da auna shi, sannan a lissafta yawan tsakuwa da bitumen a cikin faranti; Adadin zane, ƙididdige matsakaicin ƙimar gwaje-gwaje guda 3 masu kama da juna.

Mun san cewa sakamakon gwajin ya nuna cewa mun san cewa adadin bitumen da aka fesa da abin hawan tsakuwar tsakuwa mai daidaitawa yana da ɗan kwanciyar hankali saboda gudun abin hawa bai shafe shi ba. Babban motar sinoroader synchronous sealer Adadin muƙaƙƙen dutsenmu yana da ƙayyadaddun buƙatu akan saurin abin hawa, don haka ana buƙatar direban ya yi tuƙi akai-akai a wani takamaiman gudu.