Nguva pfupi yadarika nekusimudzira nekukurumidza kwekuvaka kwenzira huru, tekinoroji yeasphalt kongiri zvimiro yakafambira mberi nekukurumidza uye yasvika kuwanda kwehukuru uye hwakanakisa hunyanzvi hwekuita.
Parizvino, kongiri yeasphalt yakashandiswa zvakanyanya mumunda wekuvaka mugwagwa, ichiratidzira chinzvimbo chayo chakakosha mumapurojekiti ekuvaka.Nekudaro, tichiona zvakabudirira zvakaitwa, isu tinofanirawo kuziva kuti deformation nekukuvara matambudziko easphalt kongiri pavement ari kuramba achiwedzera.
Makomba akakomba uye deformations pamusoro pemugwagwa anogona kuve nemhedzisiro yakakura pakuchengetedza kutyaira.Basalt fiber yakachekwa tamborudzi rutsva rwefiber material, iine yakasarudzika michina zvimiro, kugadzikana kwakanaka, uye yakakwirira mutengo wekuita reshiyo, ichiiita yakanakisa kongiri yekusimbisa zvinhu.
Performance ofbasalt fiber yakachekwa tambo
Basalt fiber yakachekwa tambo ndeye inorganic mineral fiber ine kureba isingasviki 50mm, iyo inochekwa kubva inoenderana basalt fiber substrate uye inogona kuparadzirwa zvakafanana mukongiri.
Basalt fiber yakachekwa tamboiva neakanakisa zvimiro senge axial tensile simba uye yakakwira modulus, ine simba rekusimba re2250-2550MPa uye elastic modulus yakakura kupfuura 78 GPa;Short cut basalt ine yakasarudzika tembiricha yekudzivirira, ichiibvumira kuti irambe ichishanda mumhando ye -269 kusvika 650 degrees Celsius;Iyo ine yakakwira corrosion resistance uye kugadzikana kwemakemikari mune corrosive media (asidhi, alkali, munyu mhinduro), uye inogona kuchengetedza yakakwirira kupikisa kune alkaline corrosion mune yakazara alkaline mhinduro uye simende uye mamwe alkaline media.Chiyero chekuchengetedza kwesimba rekutsemuka kwewaya imwe yakakura kupfuura 75%;Basalt fiber yakachekwa tambo inogona zvakare kuenderana ne inorganic adhesives, ine hunyoro hwekunyudza mwero weisingasviki 1% uye yekunyudza simba isingachinji nekufamba kwenguva, iyo inoratidza kugadzikana kwavo kwezvinhu, hupenyu hurefu, uye kuenderana kwezvakatipoteredza panguva yekushandiswa;Uye zvakare, basalt fiber yakachekwa tambo zvakare ine yakanaka insulation performance, yakakwirira-tembiricha kusefa, radiation kuramba, uye yakanaka wave permeability.Tafura 1 inoratidza hunyanzvi hwekuita zviratidzo zvebasalt fiber yakachekwa tambo.
Kuongororwa kwekushandiswa kwebasalt fiber yakachekwa tambo mune asphalt kongiri pavement
Basalt fiber yakachekwa tamboasphalt kongiri inonyanya kugadzirwa nekuwedzera basalt fiber yakachekwa tambo muchikamu chakakodzera kune asphalt kongiri zvinhu zvepamugwagwa, uye nekuzvisanganisa pasi pekusanganisa kusanganisa chiyero, tembiricha, humidity, kusanganisa nguva, uye mamwe mamiriro.
Sezvinozivikanwa, kuwedzera kune basalt fibers, fiber zvinhu zvakadai sepolyester fibers, huni huni, uye mineral wool fibers zvose zvinogona kushandiswa sezvinhu zvekusimbisa mukusimbisa asphalt kongiri.Zvisinei, kushandiswa kwefibers kwemakore akawanda kunoratidza kuti kune mamwe matambudziko kana anoshandiswa sezvinhu zvekusimbisa mu asphalt konkrete, zvakadai sekushaya simba kwekuita kukwegura, simba rekusimbisa simba, uye rinokuvadza kuhutano hwevanhu.
Kubuda kwebasalt fiber yakachekwa strand yakazadza gaka mune zvese zvishandiso uye nzira, kugadzirisa zvinobudirira matambudziko aripo aripo asphalt kongiri pavement uye kutamba basa rakakura mukurisimudzira.Basa rayo mu asphalt kongiri pavement inoratidzwa mune zvinotevera zvinhu:
(1) Basalt fiber yakachekwa tambo, nekuda kwekudzika kwayo kwemvura, inogona kuwedzerwa kune asphalt kongiri kuti iwedzere kukora kweasphalt pavement, zvichiita kuti isanyanya kuputika uye kusagadzikana kweiyo nzira yemugwagwa nekuda kwekunyudzwa kwemvura uye kuwedzera.
(2) Basalt fiber yakachekwa tambo haingotore mukana weiyo yakakwira modulus uye kusimba kwesimba, senge simbi fiber, kudzivirira kumwe kuwedzera kwekutsemuka mushure mekuonekwa, asi zvakare kudzivirira mamiriro ezvinhu apo simbi fiber inowanzoita cluming panguva yekusanganiswa, iyo isingabatsiri kupomba, uye nzira yekuvaka yakaoma.
(3) Iyo yakachekwa basalt faibha ndiyo yakajairwa nitric acid faibha, ine kuenderana kwakanaka.Nemhaka yokuti nzvimbo yaro ine fluffy, inogona kutora asphalt, kuitira kuti basalt fiber igoverwe zvakaenzana mukrete, ichigadzira yakasimba interface layer, kuitira kuti ivandudze kuchembera kuramba uye kusimba kweasphalt kongiri pavement.
(4) Basalt faibha yakachekwa tambo ine tembiricha yakanakisa uye kusagadzikana kwekudzivirira.Tembiricha yaro yekushanda iri pakati peminus 270 kusvika 651 degrees Celsius, uye inogona kuchengetedza kugadzikana munzvimbo dzekushisa kwepamusoro.Iyo inogona zvakare kudzivirira kutsvedza kwezvinhu zvicherwa mukongiri, kuwedzera kugadzikana kwayo, uye zvinobudirira kuvandudza yakakwira-tembiricha kuramba kune rutting dhizaini yeasphalt kongiri pavement.
Uye zvakare, basalt fiber yakachekwa tambo zvakare ine yakanakisa yakaderera-tembiricha kuramba, kunyanya yekuvandudza yakaderera-tembiricha fission kuramba kweasphalt kongiri pavement.
Kuwedzera basalt fiber yakachekwa tambo kune asphalt kongiri inogona kuvandudza kukanganisa kwekudzivirira, rutting kuramba, uye michina zvimiro zveasphalt kongiri pavement.Kunyanya, basalt fiber yakachekwa tambo inoita basa rakakosha muasphalt kongiri pavement, senge crack resistance, anti-seepage, durability, impact resistance, tensile simba, uye aesthetics.
Kuvaka nzira uye kudzivirira kwebasalt fiber yakachekwa tamboasphalt kongiri
(1) Kuvaka tembiricha
Iyo tembiricha yekuvaka yebasalt fiber yakachekwa strand asphalt kongiri haifanire kunge yakaderera, nekuti basalt fiber yakachekwa tambo inosimudzira viscosity yeasphalt.Naizvozvo, tembiricha yekuvaka yekapfupi basalt asphalt kongiri inofanira kunge yakakwira kupfuura iyo yakajairwa asphalt kongiri, zvikasadaro zvichave nyore kukonzera kusaenzana kusanganisa.
(2) Kugadziriswa kwehutano hwekuvaka
Iyo yekuvaka yemhando yekudzora yebasalt fiber yakachekwa strand asphalt kongiri inofanirwa kutarisisa kune yemhando yekudzora kwekutarisa, kuyerwa, uye kusanganisa maitiro echimwe nechimwe chikamu zvinhu mubasalt fiber yakachekwa strand kongiri.
Mukuvaka chaiko, huwandu hwakasiyana hweshort cut basalt hunofanirwa kusarudzwa mukati mehunyoro hunoenderana nezvinodiwa zveinjiniya.Nekuda kwekuti basalt fiber yakachekwa tambo ivo pachavo havaite pamwe nezvimwe zvikamu zvekongiri uye zvakasanganiswa, iyo fiber yemukati haishandure musanganiswa chikamu chekongiri yekutanga.
Munguva yekuvaka, kunaka kwezvinhu zvakasiyana-siyana mubasalt fiber yakachekwa tambo yakasimbiswa kongiri inofanirwa kuverengerwa nekutemerwa zvichibva pane yekuvaka musanganiswa chikamu uye imwe-nguva yekusanganisa huwandu.Iye Junyong, Tian Chengyu, nevamwe vakadzidza iyo yakakwana musanganiswa chikamu chebasalt fiber yakasimbiswa kongiri kuburikidza ne orthogonal dhizaini yekuyedza nzira.Zvinhu zvishanu, zvinosanganisira fiber content, water simenti ratio, fly ash content, jecha reshiyo, uye unit mvura kushandiswa, zvakasarudzwa sezvinhu zvikuru mukuedza.
Tafura 2 inoratidza iyo yakakwana musanganiswa zviyero zvebasalt fiber yakasimbiswa kongiri inowanikwa kuburikidza nekuedza.
Ongororo dzakaratidza kuti kukwira kwechiyero chemukati chebasalt faibha yakachekwa tambo, zvinoita nani kutsemuka kwekongiri, pa 1.2kg/m ³ Mukati mehumwe huwandu, kusimba kwekongiri kunowedzera nekuwedzera kwezviri mukati mebasalt fiber. tambo yakachekwa, yozodzikira uye inowedzera mune yakakombama fomu.
(3) Kudyisa kutevedzana uye nzira
Mukusanganisa nzira yebasalt fiber yakachekwa tamboasphalt kongiri, kutevedzana kwekudya kwebasalt fiber yakachekwa tambo inofanirwa kutariswa.Paunenge uchishandisa, wedzera basalt fiber yakachekwa tambo pamwe chete neaggregates sejecha nedombo.Zvakanakisisa kuwedzera jecha nematombo panguva imwe chete.Wedzera basalt fiber yakachekwa tambo kujecha, wobva wawedzera asphalt uye wet mix uye simbisa.
Iyo fiber yekuwedzera nzira inogona kukamurwa kuita bhuku rekuwedzera uye otomatiki yekuwedzera.Kuwedzera kweArtificial kunoreva kuwedzera nemaoko basalt fiber yakachekwa tambo iyo yakayerwa mushure mekunge zvinopisa zvinosanganiswa zvawedzerwa kune tangi yekusanganisa.Zvisinei, zvipingamupinyi zvayo ndezvekushanda kwakanyanya, kuderera kusanganisa kufanana, uye kudiwa kwekuwedzera nguva yekusanganiswa maererano nemamiriro ezvinhu chaiwo kuti ave nechokwadi chokuti fiber inoparadzirwa zvakanyanya muasphalt concrete.
Kudyisa otomatiki kunoreva kushandiswa kwebasalt fiber feeder kuyera otomatiki huwandu hwezvinhu zvichawedzerwa nekuzviisa muhari yekusanganisa pamwe chete nekupisa kwemusanganiswa.Iyo fiber feeder ine zvakanakira senge otomatiki metering, pre kupwanya, uye mhepo yekufambisa michina, uye ine nyore, nekukurumidza, uye kwakaringana fiber kuwedzera mabasa.Mukushandiswa kunoshanda, nzira dzakakodzera dzinofanira kusarudzwa zvichienderana nemamiriro chaiwo ekuvaka.
(4) Kudzivirira pakugadzira
Chekutanga, kutarisisa kunofanirwa kubhadharwa kune kuchena kwepaving surface;Wobva wapisa ndiro yeayina yepaver kusvika ku120 madhigirii, uchiteerera kumhanya kwepaving, uchiidzora pamakiromita matatu kusvika mana paminiti;Iyo coefficient yekusunungura inofanirwa kutariswa zvichibva pane chaiyo yekumisikidzwa kweiyo purojekiti;Iyo tembiricha yekugadzira inofanira kuchengetedzwa pa160 degrees Celsius.
(5) Kugadzira uye kurapa
Kongiri yakasanganiswa nebasalt fiber yakachekwa tambohaifanirwe kunge iine zvakakosha zvinodiwa panguva yekuumbwa, kunze kwekuona kuzara kwakazara kweasphalt kongiri.Inofanira kubatanidzwa zvakanyanya sezvinobvira pasi pemamiriro ekupisa kwepamusoro.
Mienzaniso yekushandisa yebasalt fiber yakachekwa tambomu asphalt kongiri pavement
Iyo Haining Interchange Connection Line yeJiashao Expressway (ine dhizaini ye20cm simende yakagadzikana yakapwanyika dombo base uye+6cm (AC-20C) asphalt kongiri uye+4cm (AC-16C) asphalt kongiri) uye 08 Provincial Road yakabvumidzwa ne iyo Haining Municipal Science uye Technology Bureau.Kuti uongorore nzira dzesainzi uye dzinoshanda dzekuvandudza kuramba kwemugwagwa kune rutting, kuve nechokwadi chekuchengetedza uye kutsetseka kwemugwagwa mukuru, uye kuedza kurapa zvirwere zvekurarisa nenzira iri nyore uye iri nyore, nenguva pfupi yekuvaka uye mutengo wakaderera wekugadzirisa, Kurapa bvunzo. yakaitwa uchishandisa yakagadziridzwa asphalt kongiri ine basalt fiber yakachekwa tambo.
Kubva pakuona kwemaitiro ekurapa, kuwedzera kwebasalt fiber yakachekwa tambo inovandudza zvakanyanya kugadzikana kwepamusoro-yekupisa kweasphalt kongiri pavement, kunowedzera kusimba kwegwagwa, kunowedzera hupenyu hwesevhisi, uye kunoderedza kuitika kwechipiri ruts, ichipa vimbiso yakasimba. kuitira kuchengetedza kutyaira.
Mhedziso
Basalt fiber yakachekwa tambo, neayo ega ega emuchina maitiro, kugadzikana kwakanaka, uye mutengo wakaderera, unovaita yakanakisa kongiri yekusimbisa zvinhu.Iyo tarisiro yekushandisa yebasalt fiber yakachekwa tambo yakasimbiswa asphalt kongiri yakakura kwazvo.Zvese zviri zviviri zvehupfumi uye zvemagariro mabhenefiti zvichawana kukunda-kukunda mamiriro, uye ichave imwe yezvivakwa zvikuru zvekuvaka mumunda wekuvaka mugwagwa mukuru mune ramangwana.
Nguva yekutumira: Mar-13-2024