Ukusetyenziswa kothuthu oluphaphazelayo kwisiseko sendlela kugxininiswe kakhulu kwiinkalo ezimbini: izinto ezizinzileyo zothuthu (ilime kunye nothuthu oluphaphazelayo) kunye nezinto ezizinzileyo zothuthu oluphaphazelayo lwesamente. Ezi zinto zimbini zihlanganiswe ngokwemigangatho yesizwe, iteknoloji ivuthiwe, kwaye kukho iindlela ezininzi ezisebenzayo. Ukusetyenziswa kothuthu oluphaphazelayo kwiindawo zendlela ikakhulu ngumphezulu womxube we-asphalt kunye nomphezulu wekhonkrithi yesamente. Uphando lukaJiao Hua weYunivesithi yaseChang'an kwithesis yakhe ye-master lubonisa ukuba xa uthuthu oluphaphazelayo luthatha indawo yomgubo we-ore kumxube we-asphalt we-AC-16, lunokumelana nokuqhekeka okuphantsi kobushushu kunye nozinzo olungcono lobushushu obuphezulu kunolo luxutywe nomgubo we-ore. , uzinzo lwamanzi luye lwaphuculwa kodwa isiphumo asibonakali. UXie Jun, uWu Shaopeng, nabanye bafunde isiphumo sonyango lomphezulu wothuthu oluphaphazelayo kunye ne-agent yokudibanisa kumonakalo wokufuma komxube we-asphalt. Ukudibanisa i-filler ne-agent yokudibanisa kunye nothuthu oluphaphazelayo kubizwa ngokuba yi-composite fly ash modifier. Iimpawu ze-composite fly ash modifier zaziphawulwa kakhulu yi-scanning electron microscopy kunye ne-Fourier transform infrared spectroscopy. Njengesigcwalisi, impembelelo yayo kubuntununtunu bokufuma kwimixube ye-asphalt ihlolwe ngovavanyo lwe-modulus yokuqina kwe-tensile engangqalanga, i-static creep, kunye novavanyo lokudinwa kwe-tensile engangqalanga. Iziphumo zibonisa ukuba umxube we-asphalt one-composite fly ash modifier unamandla aphezulu okudinwa angangqalanga kunye nomlinganiselo wamandla okudinwa ngexesha leqhwa kwaye unobuntununtunu obuhle kakhulu bokufuma. Ukongeza, umxube we-asphalt oguqulweyo we-composite fly ash modifier ubonise i-modulus yokuqina engcono, ukumelana nokuguquguquka okusisigxina, kunye nobomi bokudinwa emva konyango oluthile lomonakalo womswakama. Isiphelo: I-composite fly ash modifier inokuphucula ngempumelelo ubununtunu bokufuma komxube we-asphalt.
Iingxangxasi zothuthu lwempukane zikwasetyenziswa kakhulu kubunjineli beendlela, ingakumbi kwiindawo zendlela ezisisiseko somhlaba othambileyo. Ingasebenzisa ngokupheleleyo ubunzima obulula bothuthu lwempukane ukunciphisa ubunzima bothuthu lwempukane kunye noxinzelelo olongezelelweyo lwesiseko somhlaba othambileyo, ngaloo ndlela inciphisa ukuhlala ngokupheleleyo kwaye iphucule uzinzo lwempukane. Ngokufanayo, ukuzalisa uthuthu lwempukane ngomhlaba ozalisa kakhulu kwintloko yebhulorho kunokuphucula ingxaki yokutsiba kwentloko yebhulorho ebangelwa kukuhlala okubangelwa bubunzima bomhlaba ozalisa kakhulu kwintloko yebhulorho. ULiu Tiejun wafunda iipropati zoomatshini zothuthu lwempukane ezisetyenziswa njengesizalisi sempukane waza wafikelela kwizigqibo ezilandelayo: uxinano olomileyo lothuthu lwempukane lubonise umkhwa wokwanda kuqala uze unciphe ngokwanda komxholo womswakama, kwaye uxinano olomileyo oluphezulu lomxholo womswakama yayiyi-19%; Uxinano olomileyo lothuthu lwelahle luyancipha ngokukhawuleza ngokwanda koxinano olomileyo. Xa uxinano olomileyo lothuthu lwempukane lungaphantsi kwe-1.35g/cm3, uxinano olomileyo alunampembelelo phantse kwi-coefficient yalo yokungena; Ukudibana kothuthu lwempukane kuyanda kunye nomthamo wamanzi Xa umxholo wokufuma kothuthu lwempukane uyanda kwaye uncipha, kwaye ukwehla kucotha xa umxholo wokufuma ungaphantsi kwama-26%, kungenjalo uncipha ngokukhawuleza; xa umxholo wokufuma kothuthu lwempukane unyuka nge-1%, i-engile yokuxinana kwangaphakathi iyancipha malunga ne-0.25°; Ukudibana kothuthu lwamalahle kuyanda ngokuthe ngqo kunye nokwanda kweqondo lokuxinana, ngelixa i-engile yokuxinana kwangaphakathi kothuthu lwempukane inyuka ngokukhawuleza kunye nokwanda kweqondo lokuxinana; umxholo wokufuma wothuthu lwempukane Xa usondele kumxholo wokufuma ofanelekileyo okanye xa usondele kwi-100% yokuxinana, kokukhona ukuncipha kokudibana kunye ne-engile yokuxinana kwangaphakathi kunye nokwanda kwamaxesha okungcangcazela, kwaye kulula ukufikelela kwimeko ezinzileyo kwinqanaba lokuqala lokungcangcazela. UChen Yunyong kunye noGao Liang nabo benze uvavanyo lwemodeli yangaphakathi kwii-embankments zothuthu lwempukane eziqinisiweyo. Ngokomgaqo wokufana, la madoda mabini anciphise i-embankment yokwenyani kwi-ratio ye-1:8 kwaye asebenzisa i-bidirectional geogrid njengezinto zokuqinisa, kwaye enza uphando lovavanyo malunga noxinzelelo kunye noxinzelelo lwe-embankment yothuthu lwempukane oluqinisiweyo. Iziphumo zibonisa ukuba ukuhlaliswa okungalinganiyo kwe-fly ash embankment kunokuncitshiswa kakhulu ngokuqiniswa kwe-geogrid, kwaye amandla okuthwala kwe-embankment anokuphuculwa kakhulu.
Umthombo womxholo: I-Fly Ash Industry Alliance
Ixesha lokuthumela: Julayi-10-2023