Muva nje ngokuthuthuka okusheshayo kokwakhiwa kobunjiniyela bomgwaqo omkhulu, ubuchwepheshe bezakhiwo zikakhonkolo we-asphalt buye benza inqubekelaphambili ngokushesha futhi sebufinyelele inani elikhulu lempumelelo evuthiwe nenhle kakhulu yezobuchwepheshe.
Njengamanje, ukhonkolo we-asphalt uye wasetshenziswa kabanzi emkhakheni wokwakhiwa komgwaqo omkhulu, oqokomisa isikhundla sawo esibalulekile emisebenzini yokwakha.Kodwa-ke, ngenkathi sibona impumelelo eyenziwe, kufanele futhi sazi ukuthi ukuguquguquka kanye nezinkinga zokulimala kokugandaywa kukakhonkolo wetiyela ziya ngokuya ziba zimbi kakhulu.
Imigodi enzima kanye nokukhubazeka emgwaqeni kungaba nomthelela omkhulu ekuphepheni kokushayela.I-basalt fiber eqoshiweiwuhlobo olusha lwempahla yefayibha, enezici zayo eziyingqayizivele zemishini, ukuzinza okuhle, kanye nesilinganiso sokusebenza kwezindleko eziphakeme, okuyenza ibe yinto enhle kakhulu yokuqinisa ukhonkolo.
Ukusebenza kwei-basalt fiber eqoshiwe
I-Basalt fiber chopped strand iyi-inorganic mineral fiber enobude obungaphansi kwama-50mm, esikwa ku-basalt fiber substrate ehambisanayo futhi ingahlakazwa ngokufanayo kukhonkolo.
I-basalt fiber eqoshiwebabe nezakhiwo ezinhle kakhulu njengamandla e-axial tensile ephezulu kanye ne-modulus ephezulu, enamandla aqinile angama-2250-2550MPa kanye ne-elastic modulus engaphezu kuka-78 GPa;I-basalt enqamulelayo inokumelana nezinga lokushisa eliphakeme okuvelele, okuyivumela ukuthi isebenze ngokuqhubekayo ebangeni lika -269 kuya ku-650 degrees Celsius;Inokumelana nokugqwala okuphezulu kanye nokuzinza kwamakhemikhali emithonjeni ebolayo (i-asidi, i-alkali, izixazululo zikasawoti), futhi ingagcina ukumelana nokugqwala kwe-alkali ezixazululweni ze-alkaline ezigcwele kanye nosimende neminye imithombo ye-alkaline.Izinga lokugcinwa kwamandla okuphuka kwentambo eyodwa likhulu kuno-75%;I-Basalt fiber chopped strand ingabuye ihambisane ne-inorganic adhesives, enezinga lokumunca umswakama elingaphansi kuka-1% namandla okumunca angashintshi ngokuhamba kwesikhathi, okufakazela ukuzinza kwawo kwempahla, isikhathi eside sokuphila, kanye nokuhambisana kwemvelo ngesikhathi sokusetshenziswa;Ngaphezu kwalokho, i-basalt fiber chopped strand nayo inokusebenza okuhle kokufakwa, ukuhlunga okunezinga lokushisa eliphezulu, ukumelana nemisebe, kanye nokungena kahle kwamagagasi.Ithebula 1 libonisa izinkomba zokusebenza kwezobuchwepheshe zomucu oqoshiwe we-basalt fiber.
Ukuhlaziywa kokusetshenziswa kwe-basalt fibre eqoshiwe ku-asphalt ukhonkolo ogandaywe
I-basalt fiber eqoshiweukhonkolo we-asphalt wenziwa ngokuyinhloko ngokwengeza umucu oqoshiwe we-basalt fiber ngesilinganiso esifanele sezinto zikakhonkolo ze-asphalt ezindaweni zomgwaqo, futhi uzixube ngaphansi kwesilinganiso esiqinile sokuxuba, izinga lokushisa, umswakama, isikhathi sokuxuba, nezinye izimo.
Njengoba kwaziwa kahle, ngaphezu kwemicu ye-basalt, izinto ze-fiber ezifana nezintambo ze-polyester, izintambo zokhuni, nezintambo zoboya bamaminerali zingasetshenziswa njengezinto zokuqinisa ekuqiniseni ukhonkolo we-asphalt.Kodwa-ke, ukusetshenziswa kwale micu iminyaka eminingi kubonisa ukuthi kunezinkinga ezithile lapho zisetshenziswa njengezinto zokuqinisa kukhonkolo ye-asphalt, njengokusebenza okubuthakathaka kokuguga, umphumela wokuqinisa obuthakathaka, nokulimaza impilo yomuntu.
Ukuvela kwe-basalt fiber chopped strand kugcwalise igebe kuzo zombili izinto nezindlela, ukuxazulula ngokuphumelelayo izinkinga ezikhona ku-asphalt ukhonkolo okhona futhi udlala indima enkulu ekuwukhuthazeni.Indima yayo ekugandayweni kukakhonkolo we-asphalt ibonakala kulezi zici ezilandelayo:
(1) Intambo ye-basalt eqoshiwe, ngenxa yokumuncwa kwamanzi aphansi, ingafakwa kukhonkolo wetiyela ukuze kwandiswe ukushuba kwendlela egandaywe yitiyela, okulenze kungabi lula ukuqhekeka nokungazinzi kombhede womgwaqo ngenxa yokumuncwa nokunwetshwa kwamanzi.
(2) Intambo ye-basalt eqoshiwe ayikwazi nje ukusizakala nge-modulus yayo ephezulu namandla aqinile, njengemicu yensimbi, ukuvimbela ukunwebeka okwengeziwe kwemifantu ngemva kokuvela, kodwa futhi nokugwema izimo lapho imicu yensimbi ijwayele ukugoqa ngesikhathi ixutshwa, okungekhona ukupompa, futhi inqubo yokwakha iyinkimbinkimbi.
(3) I-basalt fiber eqoshiwe iyi-nitric acid fiber evamile, ehambisana kahle.Ngenxa yokuthi ubuso bayo buyi-fluffy, ingakwazi ukumunca i-asphalt, ukuze i-basalt fiber isatshalaliswe ngokulinganayo kukhonkolo, yakha ungqimba oluqinile lwesixhumi esibonakalayo, ukuze kuthuthukiswe ukumelana nokuguga nokuqina komgwaqo we-asphalt ukhonkolo.
(4) Intambo eqoshiwe ye-basalt inezinga lokushisa elihle kakhulu futhi imelana nobunzima.Izinga layo lokushisa elisebenzayo liphakathi kuka-270 kuya ku-651 degrees Celsius, futhi lingakwazi ukugcina ukuzinza ezindaweni zokushisa okuphezulu.Kungase futhi kuvimbele ukushibilika kwezinto ezimbiwa phansi kukhonkolo, kuthuthukise ukuzinza kwayo, futhi kuthuthukise ngempumelelo ukumelana nezinga lokushisa eliphezulu kuhlobo lwe-rutting lokuhamba kukakhonkolo we-asphalt.
Ngaphezu kwalokho, i-basalt fiber chopped strand nayo inokumelana okuhle kakhulu nezinga lokushisa eliphansi, ikakhulukazi ukuthuthukisa ukumelana ne-fission yezinga eliphansi lokushisa lokuhamba kukakhonkolo we-asphalt.
Ukwengeza umucu oqoshiwe we-basalt fiber kukhonkolo ye-asphalt kungathuthukisa ukumelana nomthelela, ukumelana nokurutha, kanye nezakhiwo zemishini zokuhamba kukakhonkolo we-asphalt.Ngokukhethekile, i-basalt fiber chopped strand idlala indima ebalulekile ekugandayweni kukakhonkolo we-asphalt, njengokumelana nokuqhekeka, i-anti-seepage, ukuqina, ukumelana nomthelela, amandla aqinile, kanye nobuhle.
Izindlela zokwakha kanye nezinyathelo zokuqaphai-basalt fiber eqoshiweukhonkolo we-asphalt
(1) Izinga lokushisa lokwakha
Ukushisa kokwakhiwa kwe-basalt fiber oqoshiwe ukhonkolo we-asphalt akufanele kube phansi kakhulu, ngoba i-basalt fiber oqoshiwe i-strand izothuthukisa i-viscosity ye-asphalt.Ngakho-ke, izinga lokushisa lokwakhiwa kwekhonkrithi ye-asphalt ye-basalt esifushane kufanele ibe phezulu kunekhonkolo ye-asphalt evamile, ngaphandle kwalokho kuyoba lula ukubangela ukuxuba okungalingani.
(2) Ukulawulwa kwekhwalithi yokwakha
Ukulawulwa kwekhwalithi yokwakha ye-basalt fiber oqoshiwe ukhonkolo we-asphalt kufanele unake ukulawulwa kwekhwalithi yokuhlola, ukulinganisa, kanye nenqubo yokuxuba yengxenye ngayinye yezinto ezibonakalayo ku-basalt fiber oqoshiwe we-strand ukhonkolo.
Ekwakhiweni kwangempela, amanani ahlukene e-basalt enqamulelayo kufanele akhethwe ngaphakathi kwebanga elifanele ngokuya ngezidingo zobunjiniyela.Ngenxa yokuthi i-basalt fiber eqoshiwe i-strand ngokwayo ayiphenduli nezinye izingxenye zekhonkrithi nezingxube, okuqukethwe kwe-fiber ngeke kushintshe ingxenye yengxube yekhonkrithi yasekuqaleni.
Ngesikhathi sokwakha, ikhwalithi yezinto ezihlukahlukene ku-basalt fiber oqoshiwe ukhonkolo oqinisiwe kufanele ibalwe futhi inqunywe ngokusekelwe kwisilinganiso sokuxuba ukwakhiwa kanye nenani lesikhathi esisodwa sokuxuba.U-He Junyong, u-Tian Chengyu, nabanye bafunde ingxenye efanelekile yengxube ye-basalt fiber eqiniswe ukhonkolo ngokusebenzisa izindlela zokuhlola ze-orthogonal design.Izici ezinhlanu, okuhlanganisa okuqukethwe kwefayibha, isilinganiso sikasimende wamanzi, okuqukethwe komlotha wempukane, isilinganiso sesihlabathi, nokusetshenziswa kwamanzi kweyunithi, kukhethwe njengezici eziyinhloko ocwaningweni.
Ithebula lesi-2 libonisa isilinganiso semiksi efanele ye-basalt fiber eqiniswe ukhonkolo etholwe ngokuhlolwa.
Ukuhlolwa kubonise ukuthi ukuphakama kwesilinganiso sokuqukethwe kwe-basalt fiber chopped strand, kuba ngcono umphumela wokumelana nokuqhekeka kukakhonkolo, ku-1.2kg/m ³ Phakathi kwebanga elithile, amandla acindezelayo kakhonkolo akhuphuka ngokunyuka kokuqukethwe kwe-basalt fiber. umucu oqoshiwe, bese wehla futhi anda ngendlela egobile.
(3) Ukulandelana kokuphakelayo kanye nendlela
Enqubeni yokuxubai-basalt fiber eqoshiweukhonkolo we-asphalt, ukulandelana kokudla kwe-basalt fiber oqoshiwe kufanele kucatshangelwe.Uma usebenzisa, engeza umucu oqoshiwe we-basalt fibre kanye nama-aggregates anjengesihlabathi namatshe.Kungcono ukwengeza isihlabathi namatshe ngesikhathi esifanayo.Faka umucu oqoshiwe we-basalt esihlabathini, bese wengeza i-asphalt nengxube emanzi bese ugoqa.
Indlela yokwengeza i-fiber ingahlukaniswa ngokufakwa ngesandla kanye nokwengeza okuzenzakalelayo.Ukwengeza okwenziwayo kubhekisela ekwengezeni mathupha umucu oqoshiwe we-basalt fibre okukalwe ngemva kokuba ama-aggregate ashisayo engezwe ethangini lokuxuba.Kodwa-ke, ukungalungi kwayo ukuqina okukhulu kwabasebenzi, ukufana okuphansi kokuxubana, kanye nesidingo sokwandisa isikhathi sokuxuba ngokusho kwesimo sangempela ukuze kuqinisekiswe ukuthi izintambo zihlakazeka ngokulinganayo kukhonkolo ye-asphalt.
Ukuphakela okuzenzakalelayo kubhekisela ekusetshenzisweni kwesiphakeli se-basalt fiber ukuze kulinganise ngokuzenzakalelayo inani lempahla ezongezwa futhi ifakwe ebhodweni lokuxuba kanye nesamba esishisayo se-mixer.I-fiber feeder inezinzuzo ezifana nokubala okuzenzakalelayo, ukuchotshozwa kwangaphambili, kanye nendlela yokudlulisa umoya, futhi inemisebenzi yokwengeza ifayibha elula, esheshayo, nenembile.Ekusetshenzisweni okungokoqobo, izindlela ezifanele kufanele zikhethwe ngokusekelwe esimweni sangempela sokwakha.
(4) Izinyathelo zokuphepha
Okokuqala, kufanele kuqashelwe ukuhlanzeka kwendawo yokugandaya;Bese ushisa ngaphambili i-ayina ipuleti le-ayina libe ngama-degree Celsius angu-120, kuyilapho unaka ijubane lokugandaya, ulilawule cishe ngamamitha angu-3 kuya kwangu-4 ngomzuzu;I-coefficient yokuxegisa kufanele inqunywe ngokusekelwe ekubekweni kwesilingo sangempela sephrojekthi;Ukushisa kwe-paving kufanele kugcinwe ku-160 degrees Celsius.
(5) Ukwakha nokwelapha
Ukhonkolo oxutshwe nei-basalt fiber eqoshiweakufanele kube nezidingo ezikhethekile ngesikhathi sokubunjwa, ngaphandle kokuqinisekisa ukuhlanganisa okugcwele kokhonkolo lwe-asphalt.Kufanele ihlanganiswe ngangokunokwenzeka ngaphansi kwezimo zokushisa eziphezulu.
Izibonelo zohlelo lokusebenza lwei-basalt fiber eqoshiweendaweni egandaywe nge-asphalt ukhonkolo
I-Haining Interchange Connection Line ye-Jiashao Expressway (enesakhiwo esigandayiwe esingu-20cm usimende ozinzile isisekelo setshe esigxotshiwe kanye nokhonkolo we-asphalt+6cm (AC-20C) kanye+4cm (AC-16C) nokhonkolo wetiyela) kanye no-08 Provincial Road kuvunywe i-Haining Municipal Science and Technology Bureau.Ukuze uhlole izindlela zesayensi nezisebenzayo zokwenza ngcono ukumelana komgwaqo nokurutha, uqinisekise ukuphepha nokushelela komgwaqo onguthelawayeka, futhi ulwele ukwelapha izifo ezihlikihla ngendlela elula nelula, ngesikhathi esifushane sokwakha kanye nezindleko zokuwulungisa eziphansi, Ukwelapha izivivinyo. kwenziwa kusetshenziswa ukhonkolo we-asphalt oguquliwe nge-basalt fiber oqoshiwe.
Ngokombono womphumela wokwelapha, ukungezwa kwe-basalt fiber eqoshiwe kuthuthukisa kakhulu ukuzinza kwezinga lokushisa eliphezulu lokuhamba kukakhonkolo we-asphalt, kuthuthukisa ukuqina kwe-pavement, kwandisa impilo yayo yesevisi, futhi kunciphisa ukuvela kwe-ruts yesibili, kunikeze isiqinisekiso esiqinile. ukuphepha kokushayela.
Isiphetho
I-basalt fiber eqoshiwe, ngezakhiwo zabo eziyingqayizivele zemishini, ukuzinza okuhle, kanye nezindleko eziphansi, kubenza babe yinto enhle kakhulu yokuqinisa ukhonkolo.Amathemba okufaka isicelo se-basalt fiber oqoshiwe umucu oqinisiwe we-asphalt ukhonkolo abanzi kakhulu.Kokubili izinzuzo zezomnotho nezenhlalakahle zizofinyelela isimo sokuwina-win, futhi izoba enye yezinto zokwakha eziyinhloko emkhakheni wokwakhiwa komgwaqo omkhulu esikhathini esizayo.
Isikhathi sokuthumela: Mar-13-2024