Munguva pfupi yapfuura nekukura nekukurumidza kwekuvaka migwagwa mikuru, tekinoroji yezvivakwa zvekongiri yeasphalt yafambira mberi nekukurumidza uye yasvika pakubudirira kukuru kwehunyanzvi kwakakura uye kwakanaka kwazvo.
Parizvino, kongiri yeasphalt yave ichishandiswa zvakanyanya mukuvaka migwagwa mikuru, zvichiratidza kukosha kwayo mumapurojekiti ekuvaka. Zvisinei, tichiona kubudirira kwakaitwa, tinofanirawo kuziva kuti matambudziko ekushanduka-shanduka uye kukuvara kwenzira yeasphalt concrete ari kuramba achikura.
Makomba akakomba uye kukanganisika kwemugwagwa zvinogona kukanganisa zvakanyanya kuchengetedzeka kwekutyaira.Tambo yakachekwa neBasalt fiberimhando itsva yezvinhu zvefaibha, ine hunhu hwayo hwakasiyana hwemakanika, kugadzikana kwakanaka, uye chiyero chekushanda chinodhura zvakanyanya, zvichiita kuti ive chinhu chakanakisa chekusimbisa kongiri.
Kuitwa kwetambo yakachekwa yebasalt fiber
Tambo yakachekwa yeBasalt fiber ifiber yemineral isina organic ine hurefu husingasviki 50mm, iyo inochekwa kubva pasubstrate yefiber yebasalt inoenderana uye inogona kuparadzirwa zvakaenzana mukongiri.
Tambo yakachekwa neBasalt fiberine hunhu hwakanaka hwakadai sekusimba kwe axial tensile uye modulus yakakwira, ine simba rekusimba re 2250-2550MPa uye elastic modulus inopfuura 78 GPa; Basalt yakachekwa pfupi ine simba rekudzivirira kupisa kwakanyanya, zvichiita kuti ishande nguva dzose munzvimbo dziri pakati pe -269 kusvika 650 degrees Celsius; Ine simba rekudzivirira ngura uye kugadzikana kwemakemikari mu corrosive media (acid, alkali, salt solutions), uye inogona kuchengetedza simba rekudzivirira ngura ye alkaline mu saturated alkaline solutions uye simende nedzimwe alkaline media. Simba rekuchengetedza wire fracture rinodarika 75%; Basalt fiber yakachekwa inogonawo kuenderana ne inorganic adhesives, ine mwero wekunyudzwa kwemvura uri pasi pe1% uye kugona kunyudzwa kusingachinji nekufamba kwenguva, izvo zvinoratidza kugadzikana kwayo kwezvinhu, hupenyu hurefu, uye kuenderana kwezvakatipoteredza panguva yekushandiswa; Pamusoro pezvo, basalt fiber yakachekwa tambo inewo simba rakanaka rekudzivirira, kupfapfaidza kupisa kwakanyanya, kuramba mwaranzi, uye kugona kwemafungu kwakanaka. Tafura 1 inoratidza zviratidzo zvehunyanzvi zve basalt fiber yakachekwa tambo.
Kuongororwa kwekushandiswa kwetambo yakachekwa yebasalt fiber mu asphalt concrete pavement
Tambo yakachekwa neBasalt fiberKongiri yeasphalt inonyanya kugadzirwa nekuwedzera tambo yakachekwa yebasalt fiber muchikamu chakakodzera kune zvinhu zveasphalt zvekugadzira migwagwa, uye kuisanganisa pasi pechiyero chakasimba chekusanganisa, tembiricha, hunyoro, nguva yekusanganisa, nezvimwe zvinhu.
Sezvazvinozivikanwa, pamusoro pemafiber ebasalt, zvinhu zvakaita semafiber epolyester, mafiber ehuni, uye mafiber emvere dzemaminerari zvinogona kushandiswa sezvinhu zvinosimbisa mukusimbisa kongiri yeasphalt. Zvisinei, kushandiswa kwemafiber aya kwemakore mazhinji kunoratidza kuti pane mamwe matambudziko paanoshandiswa sezvinhu zvinosimbisa mukongiri yeasphalt, zvakaita sekusasimba kwesimba rekudzivirira kukwegura, simba rekusimbisa, uye kukuvadza hutano hwevanhu.
Kubuda kwesimbi yakachekwa yebasalt fiber kwakavhara mukaha mune zvese zvinhu uye nzira, zvichigadzirisa matambudziko aripo mumigwagwa yeasphalt concrete iripo uye zvichiita basa guru mukusimudzira. Basa rayo mumigwagwa yeasphalt concrete rinoratidzwa muzvinhu zvinotevera:
(1) Tambo yakachekwa neBasalt fiber, nekuda kwekusapinza kwayo mvura yakawanda, inogona kuwedzerwa kuasphalt concrete kuti iwedzere ukobvu hwenzira yeasphalt, zvichiita kuti isatsemuke uye isagadzikane nemugwagwa nekuda kwekupinza kwayo mvura uye kuwedzera kwayo.
(2) Tambo yakachekwa neBasalt fiber haingoshandisi chete modulus yavo yakakwira uye simba rekudhonza, kungofanana nefibers dzesimbi, kudzivirira kuwedzera kwekuputika mushure mekunge dzaonekwa, asiwo kudzivirira mamiriro ezvinhu apo fibers dzesimbi dzinogona kuungana panguva yekusanganisa, izvo zvisingakodzeri kupomba, uye maitiro ekuvaka akaomarara.
(3) Basalt fiber yakachekwa ifiber yakajairika ye nitric acid, iyo inoenderana zvakanaka. Nekuti pamusoro payo pane fluffy, inogona kunwisa asphalt, kuitira kuti basalt fiber iparadzirwe zvakaenzana mukongiri, zvichiita kuti ive nechikamu chakasimba, kuitira kuti ive nekudzivirira kukwegura uye kugara kwenguva refu kwekongiri yeasphalt.
(4) Tambo yakachekwa neBasalt fiber ine simba rakanaka pakupisa nekuoma. Tembiricha yayo inoshanda iri pakati pe270 kusvika 651 degrees Celsius, uye inogona kuchengetedza kugadzikana munzvimbo dzinopisa zvakanyanya. Inogona zvakare kudzivirira kutsvedza kwezvicherwa mukongiri, kuwedzera kugadzikana kwayo, uye kugadzirisa zvinobudirira kusimbaradza kupisa kwakanyanya pakuderedza simba rekongiri yeasphalt.
Pamusoro pezvo, tambo dzakachekwa nefiber yebasalt dzinewo simba rakanaka rekudzivirira kupisa kwakanyanya, kunyanya pakuvandudza simba rekudzivirira kupera kwepasi pevhu rekongiri yeasphalt.
Kuwedzera tambo yakachekwa nebasalt fiber kuasphalt concrete kunogona kuvandudza kusimba kwesimba, kusimba kweruts, uye hunhu hwemakanika easphalt concrete pavement. Kunyanya, tambo yakachekwa nebasalt fiber inoita basa rakakosha muasphalt concrete pavement, zvakaita sekudzivirira kutsemuka, kudzivirira kudonha kwemvura, kugara kwenguva refu, kusimba kwesimba, uye runako.
Nzira dzekuvaka uye matanho ekudziviriratambo yakachekwa yebasalt fiberkongiri yeasphalt
(1) Tembiricha yekuvaka
Tembiricha yekuvaka yekongiri yeasphalt yakagadzirwa nefiber yakachekwa haifanirwe kunge yakaderera zvakanyanya, nekuti kongiri yeasphalt yakagadzirwa nefiber yakachekwa inowedzera kusimba kweasphalt. Saka, tembiricha yekuvaka yekongiri yeasphalt yakagadzirwa nebasalt inofanira kunge yakakwira kupfuura yekongiri yakajairika yeasphalt, zvikasadaro zvichave nyore kukonzera kusanganiswa kusina kuenzana.
(2) Kudzora kunaka kwekuvaka
Kudzora kunaka kwekongiri yeasphalt yakagadzirwa nesimbi yebasalt fiber kunofanirwa kutarisisa kunaka kwekuongorora, kuyera, uye kusanganisa kwechinhu chimwe nechimwe chiri mukongiri yeasphalt fiber yakagadzirwa nesimbi yebasalt.
Mukuvaka chaiko, huwandu hwakasiyana hwebasalt yakachekwa pfupi hunofanira kusarudzwa mukati mehuwandu hwakaringana zvichienderana nezvinodiwa zveinjiniya. Nekuda kwekuti tambo yakachekwa nefiber yebasalt pachayo haisangani nezvimwe zvikamu zvekongiri uye zvakasanganiswa, huwandu hwefiber hahuzochinje huwandu hwemusanganiswa wekongiri yekutanga.
Munguva yekuvaka, mhando yezvinhu zvakasiyana-siyana zviri mukongiri yakasimbiswa nesimbi yebasalt fiber yakachekwa inofanira kuverengerwa uye kusarudzwa zvichienderana nehuwandu hwemusanganiswa wekuvaka uye huwandu hwekusanganisa kamwe chete. He Junyong, Tian Chengyu, nevamwe vakadzidza huwandu hwakanaka hwemusanganiswa wekongiri yakasimbiswa nesimbi yebasalt kuburikidza nenzira dzekuedza dzakagadzirwa ne orthogonal. Zvinhu zvishanu, zvinosanganisira huwandu hwefiber, huwandu hwesimende yemvura, huwandu hweash ash, huwandu hwejecha, uye kushandiswa kwemvura, zvakasarudzwa sezvinhu zvikuru mukuyedza.
Tafura 2 inoratidza huwandu hwakanakisisa hwekongiri yakasimbiswa nefiber yebasalt yakawanikwa kuburikidza nekuyedza.
Kuedza kwakaratidza kuti kana huwandu hwesimbi yakachekwa nenyuchi yebasalt hwakakwira, zvinoita kuti simende irambe ichirwisa kutsemuka, pa1.2kg/m³. Mukati mechikamu chakati, simba rekudzvanya resimende rinowedzera nekuwedzera kwehuwandu hwesimbi yakachekwa nenyuchi yebasalt, yobva yadzikira uye yawedzera muchimiro chakakombama.
(3) Kutevedzana kwekudya uye nzira yekudyisa
Mukuita kwekusanganisatambo yakachekwa yebasalt fiberKonkriti yeasphalt, nzira yekudyisa tambo yakachekwa nefiber yebasalt inofanira kufungwa nezvayo. Paunenge uchishandisa, wedzera tambo yakachekwa nefiber yebasalt pamwe chete nezvinhu zvakaita sejecha nematombo. Zvakanaka kuwedzera jecha nematombo panguva imwe chete. Wedzera tambo yakachekwa nefiber yebasalt mujecha, wobva wawedzera asphalt nemusanganiswa wakanyorova wokurunga.
Nzira yekuwedzera fiber inogona kukamurwa kuita kuwedzera nemaoko uye kuwedzera otomatiki. Kuwedzera kwekugadzira kunoreva kuwedzera nemaoko tambo yakachekwa yebasalt fiber yakayerwa mushure mekunge maaggregates anopisa awedzerwa mutangi rekusanganisa. Zvisinei, kuipa kwayo isimba guru rekushanda, kuenzana kwakaderera kwekusanganisa, uye kudiwa kwekuwedzera nguva yekusanganisa zvichienderana nemamiriro chaiwo ekuona kuti fibers dzakapararira zvakaenzana mukongiri yeasphalt.
Kudyisa otomatiki zvinoreva kushandiswa kwemuchina wekudyara fiber webasalt kuyera otomatiki huwandu hwezvinhu zvinowedzerwa uye kuzviisa muhari yekusanganisa pamwe chete nechinhu chinopisa chemuchina wekusanganisa. Muchina wekudyara fiber une zvakanakira zvakaita sekuyera otomatiki, kupwanya usati wapwanya, uye nzira yekufambisa mhepo, uye une mabasa ekuwedzera fiber ari nyore, anokurumidza, uye akarurama. Mukushandiswa kwakakodzera, nzira dzakakodzera dzinofanira kusarudzwa zvichienderana nemamiriro chaiwo ekuvaka.
(4) Nzira dzekudzivirira kufamba kwematombo
Kutanga, tarisa kuchena kwenzvimbo yekuisira matombo; Wobva wapisa plate yekuisira matombo kusvika pa120 degrees Celsius, uchinyatsotarisa kumhanya kwenzvimbo yekuisira matombo, uchiidzora nemamita matatu kusvika mana paminiti; Kureba kwekusunungura matombo kunofanirwa kutariswa zvichibva pakuedza chaiko kwepurojekiti; Tembiricha yekuisira matombo inofanira kuchengetedzwa pa160 degrees Celsius.
(5) Kugadzira uye kugaya
Konkriti yakasanganiswa netambo yakachekwa yebasalt fiberHazvifanirwe kunge zvichidikanwa zvakanyanya panguva yekuumba, kunze kwekunge paine chokwadi chekuti kongiri yeasphalt inodzvinyirirwa zvakakwana. Inofanira kudzvinyirirwa zvakanyanya sezvinobvira mumamiriro ekupisa kwakanyanya.
Mienzaniso yekushandiswa kwetambo yakachekwa yebasalt fibermumigwagwa yekongiri yeasphalt
Mutsetse weHaining Interchange Connection Line weJiashao Expressway (une chimiro chemugwagwa che20cm simende yakagadzika pasimende uye +6cm (AC-20C) asphalt concrete uye +4cm (AC-16C) asphalt Road) uye 08 Provincial Road zvatenderwa neHaining Municipal Science and Technology Bureau. Kuti tiongorore nzira dzesainzi uye dzinoshanda dzekuvandudza kuramba kwemugwagwa kunzira, kuve nechokwadi chekuti mugwagwa mukuru wakachengeteka uye wakatsetseka, uye kuedza kurapa zvirwere zvenzira nenzira iri nyore uye iri nyore, nenguva pfupi yekuvaka uye mari shoma yekugadzirisa, bvunzo dzekurapa dzakaitwa uchishandisa kongiri yeasphalt yakagadziriswa netambo yakachekwa yebasalt fiber.
Kubva pakuona kwemhedzisiro yekurapa, kuwedzerwa kwetambo yakachekwa yebasalt fiber kunovandudza zvikuru kugadzikana kwepamusoro-soro kwemugwagwa weasphalt concrete, kunowedzera kugara kwenguva refu kwemugwagwa, kunowedzera hupenyu hwekushanda kwayo, uye kunoderedza kuitika kwematanho echipiri, zvichipa vimbiso yakasimba yekuchengetedza kutyaira.
Mhedziso
Tambo yakachekwa neBasalt fiber, nehunyanzvi hwadzo hwekugadzira michina, kugadzikana kwakanaka, uye mutengo wakaderera, zvinoita kuti dzive chinhu chakanaka chekusimbisa kongiri. Mikana yekushandisa kongiri yeasphalt yakasimbiswa nesimbi yakachekwa yebasalt fiber yakakura kwazvo. Mabhenefiti ehupfumi nemagariro evanhu achaita kuti pave nekubudirira, uye ichave imwe yezvinhu zvikuru zvekuvaka mumunda wekuvaka migwagwa mikuru mune ramangwana.
Shanghai Orisen New Material Technology Co., Ltd
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Nguva yekutumira: Kurume-13-2024