Kutshanje ngophuhliso olukhawulezayo lolwakhiwo lobunjineli bohola wendlela, itekhnoloji yezakhiwo zekhonkrithi ye-asphalt yenze inkqubela phambili ekhawulezileyo kwaye ifikelele kwinani elikhulu leempumelelo eziqolileyo nezigqwesileyo zobugcisa.
Okwangoku, ikhonkrithi ye-asphalt isetyenziswe ngokubanzi kwintsimi yokwakhiwa kohola wendlela, ibalaselisa indawo yayo ebalulekileyo kwiiprojekthi zokwakha.Nangona kunjalo, ngelixa sibona impumelelo eyenziweyo, kufuneka siqaphele ukuba ukuguqulwa kunye neengxaki zomonakalo we-asphalt concrete pavement ziya zisiba mbi kakhulu.
Imingxuma enzima kunye nokukhubazeka kwindlela ehamba phambili kunokuba nefuthe elibalulekileyo ekukhuseleni ukuqhuba.I-Basalt fiber inqunyulwe intamboluhlobo olutsha lwemathiriyeli yefayibha, eneempawu zayo ezizodwa, uzinzo oluhle, kunye nomlinganiselo wokusebenza kweendleko eziphezulu, oko kuyenza ibe yeyona nto igqwesileyo yokuqinisa izinto eziphathekayo.
Ukusebenza kweI-basalt fiber inqunyulwe intambo
I-Basalt i-fiber eqoshiwe i-strand yi-fiber ye-mineral fiber enobude obungaphantsi kwe-50mm, enqunywe kwi-substrate ye-basalt fiber ehambelanayo kwaye inokusasazwa ngokufanayo kwikhonkrithi.
I-Basalt fiber inqunyulwe intambozineepropathi ezigqwesileyo ezinje ngokuqina kokuqina kwe-axial ephezulu kunye nemodyuli ephezulu, inamandla okuqina angama-2250-2550MPa kunye nemodyuli elastiki enkulu kune-78 GPa;I-basalt enqamlekileyo inokumelana nobushushu obuphezulu, evumela ukuba isebenze ngokuqhubekayo kuluhlu lwe-269 ukuya kwi-650 degrees Celsius;Inokumelana ne-corrosion ephezulu kunye nokuzinza kweekhemikhali kwimidiya ephazamisayo (i-asidi, i-alkali, izisombululo zetyuwa), kwaye inokugcina ukuxhathisa okuphezulu kwi-alkaline corrosion kwi-saturated alkaline solutions kunye ne-samente kunye nezinye i-alkaline media.Izinga logcino lwamandla okuqhawuka kocingo olunye likhulu kune-75%;I-Basalt i-fiber eqoshiwe i-strand inokuhambelana nokunamathiswa kwe-inorganic, kunye nesantya sokufunxa ukufuma okungaphantsi kwe-1% kunye nomthamo wokufunxa ongatshintshiyo ngokuhamba kwexesha, obonisa ukuzinza kwezinto zabo, ixesha elide lokuphila, kunye nokuhambelana kwendalo ngexesha lokusetyenziswa;Ukongeza, i-basalt fibre enqunqwe intambo ikwanentsebenzo entle yokugquma, ukuhluzwa kobushushu obuphezulu, ukuxhathisa kwimitha, kunye nokungenwa kakuhle kwamaza.Itheyibhile ye-1 ibonisa izibonakaliso zokusebenza kobugcisa be-basalt fiber eqoshiwe i-strand.
Uhlalutyo lwesicelo se-basalt fibre eqoshiwe i-strand kwi-asphalt concrete pavement
I-Basalt fiber inqunyulwe intamboIkhonkrithi ye-asphalt yenziwa ikakhulu ngokudibanisa i-basalt fibre enqunqwe umcu ngokufanelekileyo kwizixhobo ze-asphalt zekhonkrithi kwiindawo zendlela, kwaye zixutywe phantsi komlinganiselo ongqongqo wokuxuba, ubushushu, ukufuma, ixesha lokuxuba, kunye nezinye iimeko.
Njengoko kwaziwa kakuhle, ngaphezu kweefayili ze-basalt, izinto zefiber ezifana ne-polyester fibers, i-wood fibers, kunye ne-mineral fibers fibers zingasetyenziswa njengezinto zokuqiniswa ekuqinisweni kwekhonkrithi ye-asphalt.Nangona kunjalo, ukusetyenziswa kwale micu iminyaka emininzi kubonisa ukuba kukho iingxaki ezithile xa zisetyenziswa njengezinto zokuqinisa kwikhonkrithi ye-asphalt, njengomsebenzi obuthathaka wokuguga, umphumo obuthathaka wokuqinisa, kunye nobungozi kwimpilo yabantu.
Ukuvela kwe-basalt fiber eqoshiwe i-strand igcwalise i-gap kwizinto zombini kunye neendlela, ukuxazulula ngokufanelekileyo iingxaki ezikhoyo kwi-asphalt yekhonkrithi ekhoyo kunye nokudlala indima enkulu ekukhuthazeni.Indima yayo kwipavumente ye-asphalt yekhonkrithi ibonakaliswa kule miba ilandelayo:
(1) I-Basalt fiber inqunyulwe intambo, ngenxa yokufunxa kwamanzi aphantsi, inokongezwa kwikhonkrithi ye-asphalt ukunyusa ubukhulu be-asphalt pavement, okwenza kube lula ukukrazula kunye nokungazinzi kwe-roadbed ngenxa yokufunxa kwamanzi kunye nokwandiswa.
2 engafanelekanga ukumpompa, kwaye inkqubo yokwakha inzima.
(3) Ifayibha enqunqiweyo yebasalt yifiber ye-nitric acid eqhelekileyo, ehambelana kakuhle.Ngenxa yokuba umphezulu wayo uguquguqukayo, unokufunxa i-asphalt, ukuze ifayibha ye-basalt isasazwe ngokulinganayo kwikhonkrithi, yenze umaleko oqinileyo wojongano, ukuze kuphuculwe ukuxhathisa ukuguga kunye nokuqina kwepavement ye-asphalt ikhonkrithi.
(4) I-Basalt fiber inqunyulwe intambo inobushushu obubalaseleyo kunye nokumelana noxinzelelo.Iqondo lokushisa elisebenzayo liphakathi kwama-270 ukuya kuma-651 degrees Celsius, kwaye linokugcina uzinzo kwiindawo eziphakamileyo zokushisa.Inokuthintela ukutyibilika kwezinto ezimbiwa kwikhonkrithi, iphucule uzinzo lwayo, kwaye iphucule ngokufanelekileyo ukumelana nobushushu obuphezulu kuxinzelelo lwe-rutting ye-asphalt ye-concrete pavement.
Ukongeza, i-basalt fiber enqunqwe intambo ikwanayo nokumelana nobushushu obuphantsi, ngakumbi ekuphuculeni ubushushu obuphantsi be-fission ukumelana ne-asphalt ikhonkrithi.
Ukongeza i-basalt fibre enqunqwe umcu kwikhonkrithi ye-asphalt kunokuphucula ukuxhathisa impembelelo, ukuxhathisa kwe-rutting, kunye neempawu zoomatshini bokuhamba kwe-asphalt ikhonkrithi.Ngokukodwa, i-basalt fiber enqunqwe intambo idlala indima ebalulekileyo kwipavumente yekhonkrithi ye-asphalt, njengokumelana nokuqhekeka, ukuchasana nokubona, ukuqina, ukuchasa impembelelo, amandla aqinile, kunye nobuhle.
Iindlela zokwakha kunye nezilumkiso zeI-basalt fiber inqunyulwe intamboikhonkrithi yeasphalt
(1) Ubushushu bokwakha
Ubushushu bokwakhiwa kwe-basalt fibre enqunqwe i-strand asphalt ikhonkrithi ayifanele ibe phantsi kakhulu, kuba i-basalt fibre eqoshiwe i-strand iya kwandisa i-viscosity ye-asphalt.Ngoko ke, ubushushu bokwakhiwa kwekhonkrithi ye-asphalt ye-basalt kufuneka ibe phezulu kunokoqobo lwekhonkrithi ye-asphalt eqhelekileyo, ngaphandle koko kuya kuba lula ukubangela ukuxuba okungafaniyo.
(2) Ukulawulwa komgangatho wokwakha
Ukulawulwa komgangatho wokwakhiwa kwe-basalt fiber enqunyulwe i-strand asphalt ikhonkrithi kufuneka inikele ingqalelo ekulawuleni umgangatho wokuhlola, ukulinganisa, kunye nenkqubo yokuxuba into nganye yecandelo kwi-basalt fibre eqoshiwe ye-strand concrete.
Kulwakhiwo lwangempela, iimali ezahlukeneyo ze-basalt ezinqamlekileyo kufuneka zikhethwe ngaphakathi kwinqanaba elifanelekileyo ngokweemfuno zobunjineli.Ngenxa yokuba i-basalt fiber inqunyulwe i-strand ngokwayo ayiphenduli kunye nezinye izinto eziphathekayo kunye ne-admixtures, umxholo wefiber awuyi kutshintsha umlinganiselo womxube wekhonkrithi yasekuqaleni.
Ngethuba lokwakha, umgangatho wezinto ezahlukeneyo kwi-basalt fiber enqunqwe i-strand eqinisiweyo ikhonkrithi kufuneka ibalwe kwaye inqunywe ngokusekelwe kwi-mix mix proportion kunye nexesha elinye lokuxuba.Yena uJunyong, uTian Chengyu, kunye nabanye bafunde owona mxube ufanelekileyo wefayibha ye-basalt eyomeleziweyo ikhonkrithi ngokusebenzisa iindlela zovavanyo loyilo lwe-orthogonal.Izinto ezintlanu, kubandakanywa umxholo wefiber, umlinganiselo wesamente yamanzi, umxholo we-fly ash, umlinganiselo wesanti, kunye nokusetyenziswa kwamanzi eyunithi, zikhethwe njengezona zinto ziphambili kuvavanyo.
Itheyibhile ye-2 ibonisa umlinganiselo ochanekileyo wokuxuba i-basalt fiber eqiniswe ikhonkrithi efunyenwe ngokuvavanywa.
Iimvavanyo zibonise ukuba xa uphezulu umlinganiselo womxholo we-basalt fayibha enqunqwe umsonto, kokukhona ifuthe lokumelana nokuqhekeka kwekhonkrithi, nge-1.2kg/m ³ Kuluhlu oluthile, amandla okucinezela ikhonkrithi ayanda ngokunyuka komxholo we-basalt fiber. i-strand eqoshiwe, emva koko iyancipha kwaye inyuke kwifom egobileyo.
(3) Ukulandelelanisa ukutya kunye nendlela
Kwinkqubo yokuxubaI-basalt fiber inqunyulwe intamboIkhonkrithi ye-asphalt, ukulandelelana kokutya kwe-basalt fiber eqoshiwe i-strand kufuneka ithathelwe ingqalelo.Xa usebenzisa, yongeza i-basalt fiber strand eqoshiwe kunye nee-aggregates ezifana nesanti kunye nelitye.Kungcono ukongeza isanti kunye nelitye ngaxeshanye.Yongeza i-basalt fiber strand esantini, uze udibanise i-asphalt kunye nomxube omanzi kwaye ugxobhoze.
Indlela yokudibanisa ifayibha inokwahlulwa ibe yincwadi yokudibanisa kunye nokudibanisa ngokuzenzekelayo.Ukongezwa okwenziweyo kubhekiselele ekongezeni ngesandla i-basalt fiber i-strand enqunqwe i-strand eye yalinganiswa emva kokuba i-aggregates eshushu yongezwa kwitanki yokuxuba.Nangona kunjalo, ukungonakali kwayo kukuphezulu kwabasebenzi, ukufana okuphantsi kokuxuba, kunye nesidingo sokwandisa ixesha lokuxuba ngokwemeko yangempela ukuqinisekisa ukuba iifibers zihlakazwa ngokulinganayo kwikhonkrithi ye-asphalt.
Ukutya okuzenzekelayo kubhekisela ekusetyenzisweni kwe-basalt fiber feeder ukulinganisa ngokuzenzekelayo ubungakanani bezinto eziza kudityaniswa kwaye zifakwe embizeni yokuxuba kunye ne-aggregate eshushu yomxube.Ifiber feeder ineengenelo ezinje ngemitha ezenzekelayo, ukutyunyuzwa kwangaphambili, kunye nendlela yokuhambisa umoya, kwaye inomsebenzi oluncedo, okhawulezayo, kunye nochanekileyo wokongezwa kwefayibha.Kwizicelo ezisebenzayo, iindlela ezifanelekileyo kufuneka zikhethwe ngokusekelwe kwimeko yangempela yokwakha.
(4) Amanyathelo okukhusela
Okokuqala, ingqwalasela kufuneka ihlawulwe kucoceko lwendawo yokugalela;Emva koko fudumeza i-ayina ipleyiti ye-paver ukuya kwi-120 degrees celsius, ngelixa unikela ingqalelo kwisantya sokuhamba, uyilawule malunga ne-3 ukuya kwi-4 yeemitha ngomzuzu;I-coefficient yokukhulula kufuneka imiselwe ngokusekelwe kolona vavanyo lweprojekthi;Ubushushu be-paving kufuneka bugcinwe kwi-160 degrees Celsius.
(5) Ukubumba kunye nokunyanga
Ikhonkrithi exutywe neI-basalt fiber inqunyulwe intamboakufunekanga ibe neemfuno ezizodwa ngexesha lokubumba, ngaphandle kokuqinisekisa ukunyanzeliswa okupheleleyo kwekhonkrithi ye-asphalt.Kufuneka idityaniswe kangangoko kunokwenzeka phantsi kweemeko eziphezulu zokushisa.
Imizekelo yokusetyenziswa kweI-basalt fiber inqunyulwe intambokwipavumente ye-asphalt yekhonkrithi
IHaining Interchange Connection Line yaseJiashao Expressway (enesakhiwo sepavumente esiyi-20cm sesamente ezinzile isiseko samatye atyunyuziweyo kunye+6cm (AC-20C) nesamente yeasphalt kunye+4cm (AC-16C) nekhonkrithi yeasphalt) kunye neNdlela yePhondo eyi-08 yamkelwe ngu. iZiko leNzululwazi neTekhnoloji kaMasipala waseHaining.Ukuze uphonononge iindlela zenzululwazi kunye nezisebenzayo zokuphucula ukuxhathisa kwendlela kwi-rutting, ukuqinisekisa ukhuseleko kunye nokugudiswa kohola wendlela, kwaye uzame ukunyanga izifo ezikhukhulayo ngendlela elula nefanelekileyo, kunye nexesha elifutshane lokwakha kunye neendleko eziphantsi zokugcinwa, Ukunyanga iimvavanyo. ziqhutywe kusetyenziswa ikhonkrithi ye-asphalt eguquliweyo kunye ne-basalt fiber eqoshiwe.
Ngokombono wesiphumo sonyango, ukongezwa kwe-basalt fiber enqunqwe i-strand kuphucula kakhulu ukuzinza kobushushu obuphezulu be-asphalt pavement yekhonkrithi, kwandisa ukuqina kwepavement, kwandisa ubomi bayo benkonzo, kwaye kunciphisa ukwenzeka kwe-ruts yesibini, inika isiqinisekiso esinamandla. ukhuseleko lokuqhuba.
Ukuqukumbela
I-Basalt fiber inqunyulwe intambo, kunye neempawu zabo ezizodwa zoomatshini, ukuzinza okulungileyo, kunye neendleko eziphantsi, zenze zibe yinto egqwesileyo yokuqinisa ikhonkrithi.Amathuba okusetyenziswa kwe-basalt fibre enqunqwe intambo eqinisiweyo ye-asphalt ikhonkrithi ibanzi kakhulu.Zombini inzuzo yezoqoqosho kunye nentlalontle iya kufezekisa imeko yokuphumelela, kwaye iya kuba yinto ephambili yezinto zokwakha kwintsimi yokwakhiwa komgwaqo omkhulu kwixesha elizayo.
Ixesha lokuposa: Mar-13-2024