Ukuguqula indlela yendlela: Amandla e-polymer asphalt ye-asphalt ye-asphals ezinzileyo

ISISHWANKATHELO:Fumanisa umhlaba weI-Polymer i-Asphalmed Asphalt(I-PMA), inkqubela phambili ebalulekileyo ngaphezulu kwendabukoi-asphalts. Eli nqaku lithanda ukuba yintoniI-asphalt ye-asphaltyiyo, kutheniUkulungiswa kwe-asphaltkubalulekile kwiziseko zophuhliso zangoku, iintlobo zei-polymerIimodyulisi ezisetyenzisiweyo (njenge-inpevativeI-Elvaloy ™), kwaye indlela okukhokelela kuyo ngakumbi,uzinzo, kwaye isebenza ngendlekoIipavements. Ukuba ubandakanyeka ekufumaneni izixhobo zokwakha zendlela, i-aluminium inyibilikayo, okanye imveliso yentsimbi, ukuqondaI-PMAIqhosha lokufezekisa intsebenzo engcono kunye ne-ongenvity, inokubandakanyaphinda usebenzise kwakhonaImilambo injeiplastiki. Funda ukuze ufunde ukuba ukukhetha ilungeloSebenzisa i-AsphaltUnokwenza umhlaba umahluko.

1. Yintoni kanye kanyeII-aspharlt aspharl? Ukuqonda iziseko

Kwisiseko sayo, i-asphalt inamathelayo, emnyama, kunye nefom ye-viscous eqinileyo okanye ifomu eqinileyo yepetroleum. Yiglue, okanyeI-Asphalt Binder, ebambe i-Agegregates (njengelitye kunye neSanti) kunye ukwenza iI-Asphalt PovementSiqhuba yonke imihla. Nangona kunjalo, umgangatho okanye "ucocekile"I-Asphalt BinderUnemida. Inokuba brittle kwayeukuqhekekangaphakathiUbushushu obubandayoIimeko okanye ithambile kakhulu kwaye i-pronet yokutsala (Ukuchasana nokuSebenzaImiba) kwiamaqondo obushushu aphezulu. Kulaphoukuguqulwaungene.

I-asphalt ye-asphaltNgokwesiqheloisiseko i-asphaltephuculwe ngokongeza ikhethekileyoi-polymersokanye enyeizixhobo ezahlukeneyo(Iimodyuli). Cinga nje ngokungathi ukongeza izithako ezikhethekileyo kwiresiphi yokuphucula ukuthungwa, amandla, okanye indlela eziziphatha ngayo phantsi kweemeko ezahlukeneyo. Injongo yeUkulungiswa kwe-asphaltkukuphucula iiipropathi zomzimbaye-Binder, esenza ibe nzima ngakumbi kwaye ilungele ukuphatha uxinzelelo lwale mihlaumthwalo wetrafikhikunye nemozulu eyahlukeneyo. II-Binder iguqulweUkufezekisa okuthileIntsebenzo oyifunayoiimpawuengafezekisiI-Asphalt ayinakuzisa ngokungaguqukiyo.

Inkqubo ibandakanya ukudibanisa okhethwemodifierkushushuI-Asphalt Binderukwenza isitali, i-homogeneousumxube. Ukusebenza kweukuguqulwaKuxhomekeka kakhulu kuhlobo kunye nenani lei-polymerisetyenzisiwe, iipropathi zeisiseko i-asphalt, kunye nokuhambelana phakathi kwe-binder kunye neyongeza. Olu ncedo ludala iarhente ephezulu yokubophaI-Asphalt ixube, ekhokelela enamandla, ngakumbiihlala ixesha elide indlela.

2. Kutheni uphuculwe? Ukutyhila izibonelelo zentsebenzo zePolymer Asphalt Asphalt

Ke, kutheni uhamba engxakini kunye neendleko ezongezelelweyo zokusebenzisaI-asphalt ye-asphalt? Impendulo ilele ekuphuculeni phambili ukusebenza kwaye yandiswaUbomi beNdawo. Xa kuthelekiswa neqhelekileyoI-Asphalt,I-Polymer i-Asphalmed Asphaltinikezela ngoluhlu lweengenelo ezikhuthazayo eziguqulela kwixabiso elingcono ngaphezulu kweUbomi Benkonzoyeindlela yendlela. UMark Thompson, njengamagosa amagosa okuthenga, ujonge umgangatho obiza indleko, kwayeI-PMAihlala ihambisa kanye loo nto.

Nazi ezinye izibonelelo eziphambili:

• Ukunyuka kokuchaswa kwe-rut:Kwiamaqondo obushushu aphezulu, i-asphalt esemgangathweni inokuthathwa, kukhokelela kwiingxaki ezisisigxina okanye ama-Ruts phantsi kwenzimaumthwalo wetrafikhi. Ukulungiswa kwePolymer, ngakumbi kunye ne-ElastomersI-sbsokanye i-polymers esebenzayoI-Elvaloy ™, yonyusa ukuqina kwe-Binder kunye ne-elasticy kubushushu obuphezulu, ndincedaindlela i-nestsukungcungcutheka.
• Ukuphuculwa kokumelana nokungakhathali kokukhathalela:Ukulayisha okuphindaphindiweyo okunokwenzeka kunokubangela ukudinwaukuqhekekangaphakathiI-Asphalt Povement, ngakumbi njengoko ikhula.Ii-Binders eziguqulweyoUkuphucula ubuqaqawuli be-asphalt kunye nokukwazi ukubuyela kwakhona kuxinzelelo, kulibazisa kakhulu ukhathalelo lokudinwaukuqhekeka.
• Ukungaxhathisi okuphuculweyo kwi-subrmal:Kwimozulu ebandayo, izivumelwano ze-asphalt. Ukuba olo xinzelelo lungaphezulu kwamandla e-phendles ye-Binder,Ukuqhekeka kwe-thermalkwenzeka.Iimodyulisiinokuphucula iamaqondo obushushu asezantsiukuguquguquka kweI-Asphalt Binder, yenze ukuba ibe ngaphantsi kolu hloboUxinzelelo lwendlela.
• Ukucutha ubume bokufuma:Amanzi anokwenza buthathaka ubudlelwane phakathi kweI-Asphalt Binderkwaye ihlanganisa, ekhokelela ekutyibilikeni (umtya) nangaphambi kwexeshaindlelaukungaphumeleli. EzinyeI-polymer eguqulweyo ye-asphaltsbonisa ngconoUmlinganisoIipropathi kwaye azinantsingiseloukufuma, ukuphucula iyonkeukuqina.
• Inkonzo yeNkonzo yeNdawo eyongeziweyo:Ngokuthomalalisa iimbaleki eziqhelekileyo ezifana ne-rutukuqhekeka, I-Polymer i-Asphalmed Asphaltinokwandisa kakhulu umsebenziUbomi Benkonzoyeindlela, ekhokelela kubomi obuphantsi-umjikeloIindleko kwaye incitshiswe imfuno rhoqoIindleko zokugcina.

Olu phuculo luthethaIindlela zenziwengeI-PMANgaba unako ukuphatha iimeko ezixineneyo kwaye hlala ixesha elide, unikezela ngolondolozo lwexesha elide kakhulu nangona kunokwenzeka iindleko zokuqala eziphezulu. Njengoko umntu efumana izinto ezifunyanisiweyo, eqinisekisa ukuba izinto ezithandwayo kunye nokunciphisa iintloko zecala leza kubathengi bakho (njengeenkampani zokwakha ezindleleni) yinxalenye enkulu.

3. Zeziphi iintlobo eziqhelekileyo zeemodeli zepolymer ezisetyenziswa kwi-asphalt?

Umhlaba weUkulungiswa kwe-asphaltSebenzisa iintlobo ezahlukeneyo zei-polymers, nganye idlulisela iimpawu ezahlukeneyo ukuya kokugqibelaI-Asphalt Binder. Ukhetho lwemodifierKuxhomekeka kwizixhasi ezithile zomsebenzi ezifunekayo, iimeko zemozulu,umthwalo wetrafikhi, kunye nokuqwalaselwa kwexabiso. Njengomzi-mveliso onjengowethu, sisebenza kunye neenkcazo ezahlukeneyo zokudibana neemfuno ezahlukeneyo zehlabathi, ukusuka e-USA ukuya eYurophu naseOstreliya.

Ezinye zezona zixhaphakileyoi-polymerIimodyulisiisetyenzisiwe kubandakanya:

• I-styrene-butadne-styrene (SBS):Le isenokusetyenziswa kakhuluI-polymer modifier. I-sbsNgaba i-thermoplastic Elastomer, intsingiselo isebenza njengerabha kwi-rabertis yenkonzo kodwa ingenziwa njengeiplastikikumaqondo aphezulu amaqondo obushushu. Yenza inethiwekhi ngaphakathiI-Asphalt Binder, ukuphucula kakhulu i-elasticity, ukuguquguquka (ngakumbi kwiIqondo lokushisa eliphantsi), kwaye ukumelana nokubini kwe-rut kunye nokudinwaukuqhekeka. I-sbsingaba ilayini okanyeradialkwiimolekyuliUlwakhiwo.
• I-Ethylene Vinyl Acetate (EVA): I-Evayi-thermoplastici-polymer(iplastomer). Ngokuyintloko yonyusa ukuqina kwayei-viscofityyeI-Asphalt Binder, ukuphucula ukumelana nokuchasana ne-rutIqondo lokushisa eliphezuluiimeko. Ngelixa iphucula ukusebenza kobushushu obuphezulu, impembelelo yayo kwiamaqondo obushushu asezantsiUkuguquguquka kunokutyhilwaxa kuthelekiswa neqhelekileyoI-Elastomers zithandaI-sbs. Ivinyl acetateUmxholo uphembelela iipropathi zayo.
• Yenza i-elastomeric terpolymers (E.G., i-Evaloy ™):Ezi zinto zihambileIimodyulisiyenzelwe ukusabela ngekhemizi kunyeI-Asphalt Binder. I-Elvaloy ™, iphuhliswe nguDow Inc., ngumntu ophambili. Le ngxaki yekhemikhali idala isigxina, izinzilei-polymerInethiwekhi kwi-Asphalt, ihambisa ixesha lokuqina eligqwesileyo, uzinzo lobushushu obuphezulu (Uzinzo lwe-thermal),Ubushushu obubandayoUkusebenza, kunye nokugcinwa kokugcina. Siza kuthethaI-Elvaloy ™ngokweenkcukacha ngakumbi.
• Ezinye iimodires:
  • Irabha ye-crub:Ithathwe kwi-scrap amatayara,irabha ye-crubisetyenziselwa ukuphucula imeko ye-Elasticastity kunye nokuchaswa kwe-Rut. Ukusetyenziswa kwayo kukukhuthazaukuphinda kusetyenziswe kwakhona.
  • I-Polythylene (PE):Iifom ezahlukeneyo ze-PE zingasetyenziswa, zihlala zikhulisa ukuqina. Ngamaxesha athile,I-plastics ehlaziyiweyozibandakanyiwe.
  • Polyphostic Acid (PPA):Ngelixa hayi ai-polymer, I-PPA ngamanye amaxesha isetyenziswa, ihlala idibene nee-polymers, ukonyusa ubushushu obukhuselekileyo (I-pgIbanga) le-binder.

Ukuqonda ezi ntlobo ezahlukeneyo zeukuguqulwainceda ekucaciseni imveliso efanelekileyo yesicelo esithile, nokuba ingabakho indlela ehamba kakhulu eNyakatho Melika okanye kwindawo yengingqi eYurophu. NganyeUhlobo lokuguqulwainika ibhalansi eyahlukileyo yepropathi.

4. Kwenzeka njani ukuba i-polymeremed asphalt iguqulwe ngokukhethekileyo ukuphucula ukusebenza kwendlela?

Masingene nzuluNjaniukongezai-polymersIguqulela kwiindlela ezingcono. Umlingo uyenzeka kwinqanaba le-micro-tshintshaiipropathi zomzimbakunye nokuziphatha kakuhle (ukuba kuhamba njani kwaye isebenze) yeI-Asphalt Binder. Le hinder iphucule emva koko idala ngakumbii-asphalt yomxubeXa zidityanisiwehlanganisa.

Cinga ngeentshaba eziphambili zeI-Asphalt Povement: Iilori ezinzima, amaqondo obushushu amaninzi, amanzi kunye nexesha.I-Polymer i-Asphalmed AsphaltUkujongana nale ntloko:

• Ukulwa i-Shograph (i-rut):Kwiamaqondo obushushu aphezulu, I-Asphalt Sorftens. Ii-polymerInethiwekhi ngaphakathiI-PMAIzenzo ezinjenge-skeleton, ukwandisa ukuqina kwe-Binder kunye nokuphola. Xa i-lorck id idlula,indlelaIphehleka kancinane kodwa ixhaphaze ngcono kakhulu, ukunciphisa kakhulu isketso esisigxina eliziwa ngokuba yi-rutet (rut). Oku kubalulekile kwiindlela eziphezuluumthwalo wetrafikhiIivolumu okanye izithuthi ezihamba kancinci.
• Ukuxhathisa ukhathalelo lokudinwa:Khawufane ucinge ukugoba iphepha elingasemva - ekugqibeleni, iyaqhekeka.I-Asphalt Povementufumana uxinzelelo olufanayoImijikelezophantsi kwetrafikhi.I-polymersUkuphucula ukuqaqanjelwa komthi kunye nokukwazi ukondla ngaphandle kokophula, ngokukhululekileyo ukwandisa ubomi bayo bokudinwa. Oku kuthetha iindlelainokunyamezela kakhulu ukulayisha ngakumbiImijikelezongaphambiliukudinwaiqala ukuvela, ukwandisa ubomi bayo obuluncedo.
• Ukuthintela ukuqhekeka kwe-thermal:Xa amaqondo obushushu plummet, izivumelwano ze-asphalt kwaye iba brittle. Ukuba uxinzelelo lwentshukumo luphakamile kakhulu, lubangelaamaqondo obushushu asezantsiokanyeUkuqhekeka kwe-thermal. Ukulungiswa kwePolymer, ngakumbi kunye ne-ElastomersI-sbsokanye i-polymers esebenzayoI-Elvaloy ™, liphucula amandla e-Binder yokuhlala oguqukayoUbushushu obubandayoUkugqithisa, ukunciphisa umngcipheko wonakalisacecks. Oku kubaluleke kakhulu kwimimandla efumana ubusika obuhluphekayo.
• Ukunciphisa ukonakala komswakama (ukuqhekeka): I-polymersinokuphucula iUmlinganisophakathi kweI-Asphalt Binderkwaye ihlanganisaiindawo eziphezulu. Ibhondi enamandla kuthetha ukuba amanzi akunakwenzeka ukuba angene kwaye abe buthathaka i-intanethi, inkqubo ekuthiwa yi-Priping. Oku kuphuculweukufumaUkuxhathisa Igalelo elikhulu kubo bonkeukuqinakunye nobomi boI-Asphalt Povement. NgconoUmlinganisoigcina iumxubeI-Anct.

Ngokuyintloko,Ukusebenza kokuguqulwaI-Asphalt iphakamile kubai-polymerInethiwekhi iguqula indlela i-binder iphendula ngayo kuxinzelelo kunye nezinto zokusingqongileyo, ezikhokelela kwi-incarher, ezondle ngakumbiindlelaUlwakhiwo. Oku kujongana ngqo neeNtsizwi eziNtlawulo malunga nePovevity Longetions kwayeIindleko zokugcina.

5. Ngaba i-asphalts iguqulwe ngendlela yokwakhiwa kweendlela ezizinzileyo zendlela?

Ngokuqinisekileyo. Ngelixa ugxininiso lokuqalaUkulungiswa kwe-asphaltNgaba ucocekile ekuphuculeni intsebenzo, izibonelelo eziphumlweni zilungelelanisa ngokungqongqo kunye nemfuno ekhulayouzinzoizisombululo zophuhliso. UMark Thompson, esebenzisana namashishini ahlukeneyo, eqonda ukubaluleka kokubaluleka kokuqwalaselwa kwendalo kunye nexabiso lexesha elide.

Nantsi indlelaI-asphalt ye-asphaltInegalelo ekuzinzisweni:

1. Ubomi obude bokuhlala:Lo mhlawumbi igalelo elibalulekileyo.Iindlela zenziwengeI-PMAixesha elide. Ngokwandisa iUbomi Benkonzoyeindlela. Oku kuthetha ukuba basebenzise izinto ezimbalwa eziluhlaza (i-Aggregate, i-Binder), usebenzisa amandla amancinci kwimveliso nolwakhiwo, kwaye kubangela ukuphazamiseka kwetrafikhi kwiI-Poevement'subomiumjikelo.
2. Ulondolozo oluncitshisiweyo:Ukuxhathisa okuphuculweyo ekubandezeleni iimbambano,ukuqhekeka, kwaye ukhulisa kuthetha into encinci yendlelaIindleko zokugcinanjengokutywina kwengxengxwa. Ukuncitshiswa kolondolozo oluguqulweyo kuguqulelo lokuthatha izinto eziphantsi, ukulungiselela amafutha amachaphaza ngamandla olondolozo, kunye neengozi ezimbalwa zokhuseleko ezinxulumene nemimandla yomsebenzi.
3. Inokubakho kwiindlela ezinqwenelekayo:Ngamanye amaxesha, iipropathi ezinkulu zeumxube we-polymerinokuvumela kancinci kancinciindlelauyilo ngelixa usaphumelelaIntsebenzo oyifunayokwayeUbomi Benkonzo. Oku kunciphisa ngokuthe ngqo ivolumu yezinto ezifunekayo.
4. Ukubandakanya izinto ezisetyenzisiweyo:Itekhnoloji emvaI-asphalt ye-asphaltiya kuphononongwa ukuba iququzelele ukusetyenziswa kweI-plastics ehlaziyiweyo (phinda usebenzise kwakhona) ngaphakathiI-Asphalt ixube. Ngelixa imiceli mingeni ihlala ngokuhambelana nexesha elide, iimodyuli zinokuba zinokuba zinokwazi ukudibanisa ukuhambelanaI-plastics ehlaziyiweyoNgaphakathi kwi-Asphalt Matrix, ehambisa indawo enokubakho kwinkunkuma yeplastiki. Iitekhnoloji ezinjeI-Elvaloy ™baphandwa ukuba bakwazi ukusebenza ngokufanelekileyo kunye nezinye izinto, ezinokubandakanya izinto ezisetyenzisiweyo.

NgelixaInkqubo yokuphuculaye-asphalt kunye nokuveliswa kwei-polymersngokwabo uneenyawo zeenyawo zokusingqongileyo, ixesha lobomi osindileyo kunye neemfuno zokulondolozwa kwesondlo ezinikezelweyoI-PMAYenza impikiswano eyomeleleyo yendima yayo ngakumbiuzinzo I-Asphalt Payiindlela zokuziphatha. I-shifs ekugxilwe kuzo ukusuka kwimpembelelo yokuqala kubo bonke ubomiumjikelointsebenzo kunye nokusetyenziswa kwezixhobo. Olu luvo lwexesha elide lubalulekile kucwangciso lweziseko zophuhliso kunye notyalo-mali.

I-6. Indawo yokuhlala

Phakathi kweentlobo ezahlukeneyoi-polymerIindlela ezikhoyo ezikhoyo,I-Elvaloy ™(I-elastomeric terpolymer) ukusukaDow Inc.imele ukuqhubela phambili kwezobuchwephesha kwiUkulungiswa kwe-asphalt. Ayisiyonto nje eluladibanisa; Yenzelwephendulangamachiza kunyeI-Asphalt Binder. Oku kuhlelwa buyibeka ngokwahlukeneyo kwaye kubonelela izibonelelo ezahlukeneyo ezichaphazelekayo ngokukodwa ukufezekisa ukusebenza kakhulu,ihlala ixesha elideIipavements.

Yintoni eyenzaI-Elvaloy ™Ekhethiweyo?

• Ukuboleka kwamachiza:NgokungafaniyoI-sbs, eyenza inethiwekhi yomzimba,I-Elvaloy ™inamaqela asebenzayo adityaniswe ngamakhamazi ngeemolekyuli ezithile kwiI-Asphalt Binder. Oku kudala isigxina, izinzile, ezintathui-polymerInethiwekhi kuyo yonke i-Asphalt.
• Ukuphucula ubuchule kunye nobunzima:IsiphumoI-Polymer i-Asphalmed Asphaltbonisa ukubuyela umva ngokulandelelana kwamaqondo obushushu ngokubanzi. Oku kuthetha ukunganyangeki okuphezulu kwi-rutamaqondo obushushu aphezulukwaye iphuculwe ukutshintsha ukuthintelaukuqhekekakwiamaqondo obushushu asezantsi.
• Uzinzo lokugcina:Umngeni omnye kunye nabanyeI-asphalts eguqulweyo, ngakumbiI-sbs-Aboboyisekileyo, banokuba kukwahlukaniswa kwinqanaba ngexesha lokugcina okushushu. I-Bound yekhemizi efunyenwe ngeI-Elvaloy ™Iziphumo ezizinzileyoumxubeOko kuxhathiswa ukwahlukana, ukwenza izinto ngokulula kunye nokujonganaI-Asphalt Payiikontraki. Oku kujongana ngqo neempawu ezinokubakho zentlungu ezinxulumene nokungaguquguquki kwezinto.
• Ukuqhubela phambili ngokuqhubekekayo: I-Elvaloy ™Ibonelelwa kwifom yepellet yasimahla, esenza kube lula ukuphatha kwaye ifake kwiI-Asphalt Binder.
• Ukutshintsha: I-Elvaloy ™iqinisekisiwe ukuba isebenze kwizicelo ezahlukeneyo, ukusuka ekufumaneni indlela ephezuluIipavementsukuya kwi-airfield yokuphumla. Inceda ukufezekisa phezuluI-pg(Ibanga leNtsebenzo) Ii-Binders ezifunwa ngokuchazayoSuperpave.

Ukuphuculwa kweendlela ezisebenzayoI-Elvaloy ™ibonisa ukungafikeleli kwintsimi. Abaxhasi ngathi, ukuhambisa iimveliso eziguqulweyo kunye ne-Advancedi-polymersnjengeI-Elvaloy ™ iphinda isebenze elastomericIi-terpolymeds zivumela ukuba sifezekise iimfuno zomsebenzi ezinokukhulisa iiprojekthi kwiU.S., IYurophu, nangaphaya. Imele ipremiyamuukuguqulwaInketho yokufezekisa i-tier ephezuluindlelaintsebenzo kwayeukuqina. UkusebenzisaI-Elvaloy ™ihlala ikhokelela kuphuculo olubalulekileyo ekuchanyoniUxinzelelo lwendlelaiindlela. I-chemistry eyahlukileyo yeI-Elvaloy ™Inika isisombululo sombane xa sithelekiswa nokudityaniswa okulula. NiniI-Elvaloy ™I-projeks, iyinethiwekhi ekhuphayohydrocarbonizinto, ukwandisa uzinzo ngokubanzi.

7. Umgangatho kunye nokungaguquguquki kwePolymer Asphalt asphalt iqinisekisiwe?

Phawula inkxalabo ye-thompson malunga nokuhlolwa komgangatho kwaye iziqinisekiso zisebenza kakhulu, ngakumbi xa zifumana izixhobo kwilizwe liphela. Ukuqinisekisa umgangatho kunye nokungaguquguquki kweI-Polymer i-Asphalmed Asphaltyeyona nto iphambili ekufezekiseni iIntsebenzo oyifunayoKwisipheloindlela. Oku kubandakanya uvavanyo olujikelezayo kunye nokubambelela kwimilinganiselo kuyo yonke inkqubo yokubonelela. Njengomzi mveliso enemigca emininzi yemveliso kunye namava ehlabathini kwihlabathi, siyayiqonda ngokusondeleyo.

Izinto eziphambili zokuqinisekiswa komgangatho zibandakanya:

• Ukucaciswa kwe-Binder kunye noVavanyo: I-Asphalt ye-asphalt ye-asphaltziqhelekile ngokusebenzisa iinkqubo ezinje ngeSuperpaveUkuhlelwa kwentsebenzo (I-pg) Inkqubo. Le nkqubo iphawula i-binder esekwe kwintsebenzo yayo elindelekileyo ngokunxulumene nemozulu (i.g.,I-pg76-22 Ibonisa i-binder efanelekileyo kwiqondo lokushisa eliphezulu lama-76 ° C kunye ne-22 ° C). Uvavanyo oluqhelekileyo lulinganisa iipropathi ezinje:
  • I-Viskosity:I-binder ihamba njani kubushushu obuphezulu (efanelekileyo ngokuxuba kunye nokuqulunqwa).
  • I-Synamic Shear Rheometers (DSR):Ukuqina nokuqina kwe-elastity kwayeamaqondo obushushu aphezulu(inxulumene ne-rutting kunye nokudinwaukuqhekeka).
  • Ukugoba i-beam rheometer (BR):Ukuqina kukuqinaamaqondo obushushu asezantsi(inxulumene neUkuqhekeka kwe-thermal).
  • I-Testay Reder (DTT):Amanyatheloamaqondo obushushu asezantsiI-DECTIT (ikwanxulumene naUkuqhekeka kwe-thermal).
  • Ukuhlaziywa kwe-elastic:Amandla okukwazi kwe-Binder ukuba "abuye emva koko woluliwe.
  • Indawo yokuthambisa:Ibonisa ubushushu apho i-Asphalt ifikelela kwinqanaba elithile lokuthamba.
  • UkungenaUmlinganiso wesintu wobunzima / ukungqinelana kubushushu obuqhelekileyo.
• Ukuhambelana kakuhle kunye nokusasazeka:Kubalulekile ukubaI-polymer modifieriyahambelana neisiseko i-asphaltkwaye ichithwe ngokufanelekileyo kwi-binder. IhlwempuUkusasazekainokukhokelela kwimveliso engahambelaniyo kunye nokusebenza kwe-subtar. Iindlela ezifana ne-fluorescenceI-Microscopyinokusetyenziselwa ukujonga ngokubonakalayoi-polymerubume benethiwekhi ngaphakathi kweI-asphalt ye-asphalt. IyahambelanaUkusasazekaisitshixo.
• Imveliso yoLawulo lweNkqubo:Abavelisi kufuneka bagcine ulawulo olunzima ngaphezulu kobushushu, amaxesha okuxuba, kwayemodifierAmaxabiso okudibanisa ukuqinisekisa ukuba i-batch yemveliso engaguqukiyo emva kwebatch.
• Izatifikethi:Abathengisi abadumileyo kufuneka banike amaxwebhu aqinisekisiweyo ukuba imveliso yabo ihlangabezana neenkcazo eziyimfuneko (E.G., i-AASTTO, i-ASTM, okanye iimfuno ezithile zeprojekthi). Ukuvumelana kwiMigangatho ye-ISO yoLawulo loMgangatho kukwisalathiso esifanelekileyo. Ukujongana nenkxalabo kaMarko malunga nobuqhetseba kwesatifikethi kufuna ukukhuthala nokusebenza nabathengisi abasekwe, ababonakalayo.
• Uyilo lomxube kunye novavanyo:Ngaphaya kwe-binder, okokugqibelai-asphalt yomxube(I-Binder +hlanganisa) kufuneka iyilelwe ngokufanelekileyo kwaye ihlolwe (i.G., kusetyenziswa i-marshall okanyeSuperpaveIindlela zokwenza izinto zegraphrictory) ukuqinisekisa ukuba ihlangabezana ne-rovory kunye nendlela yokusebenza ethanda ukumelana nokuchasana ne-rutukuthathwa komswakama. Amacandelo ovavanyozihlala zisetyenziselwa ukuqinisekisa intsebenzo kwiimeko zehlabathi zokwenyani.

Ulawulo loMgangatho yinkqubo yamanyathelo amaninzi, ibalulekile ekuqinisekiseni ukuba iipropathi eziphuculweyo zithenjiswe yiI-Polymer i-Asphalmed Asphaltzisiwe kwiindlela yendlela.

8. Ukuhambahamba kwendlela ngaphambili: Ngaba kukho imiceli mngeni ekusebenziseni i-asphalts eziguqulweyo?

NgelixaI-Polymer i-Asphalmed AsphaltInika izibonelelo ezibalulekileyo, kufanelekile ukuba zivume imiceli mngeni abanokudibana abasebenzisi kunye nabavelisi banokudibana. Ukuqonda ezi zinto kuyanceda ekucwangcisweni nasekunciphiseni imiba enokubakho.

• Ixabiso eliphezulu le I-polymer modifierskunye nesenzo esongeziweyo esifunekayoI-PMAibiza kakhulu kuneziqhelekileyoI-Asphalt Binder. Le ndleko iphakanyisiweyo kufuneka isindwe ngokuchasene nezibonelelo zexesha elideUbomi Benkonzokwaye incitshisiweIindleko zokugcina. Ubomi-umjikeloUhlalutyo lweendleko luhlala lubonisa isindululo sexabiso, kodwa impembelelo yokuqala yohlahlo-lwabiwo mali yinto.
• Ukuphatha kunye nokugcinwa:EzinyeI-asphalts eguqulweyo, ngakumbi ezo ziphakamileyoi-polymerukugxininisa okanye iintlobo ezithile ezifanaI-sbs, inokufuna ukuxuba okuphezulu kunye namaqondo obushushu empikiswano athelekiswa nayoengafezekisiI-Asphalt. Uzinzo lokugcina lunokuba yinkxalabo, ifuna ukuqhatha okwaneleyo kwiitanki zokugcina ukukhusela ukwahlulwa kwenqanabaI-Elvaloy ™ubukhulu becala le nto).
• Imiba yokuhambelana:Akunjalo kwakonai-polymersziyahambelana nayo yonkeisiseko se-asphalts. I-chemistry yeisiseko i-asphalt, uphembelelwe ngumthombo weoyile ye-cede kwayeInkqubo yokuphucula, inokuchaphazela indlela yei-polymerukusasazeka kunye nokusebenza. Uvavanyo luhlala lufuna ukuqinisekisa ukulunga.
• Imfuno yobungcali:Imveliso efanelekileyo, ukuphatha, kunye nokusetyenziswa kweI-PMAfuna ukuqonda okuhle kwezinto ezibonakalayo. Abasebenzi kunye nabasebenzi bobugcisa bafuna uqeqesho olufanelekileyo kunye namava okuqinisekisa iindlelayakhiwe ngokuchanekileyo ukufezekisaIntsebenzo oyifunayo. Oku kujongana nenqaku lika-Thmpson malunga nokusilela kubungcali bobuchwephesha kubaxhasi abanolwazi kuya kubaluleke kakhulu.
• Ukulawulwa komgangatho:Izibonelelo zentsebenzo zixhomekeke kumgangatho ongaguqukiyo. Oku kubeka imfuno ephezulu kwiinkqubo zokulawula umgangatho womenzi kunye novavanyo lomgangatho womsebenzisi. Nakuphi na ukuphazamiseka, njengamahlwempumodifier Ukusasazeka, inokulalanisa intsebenzo.

Ngaphandle kwezi mngeni, irekhodi le-track kunye nezibonelelo ezingqinisiweyo zeI-Polymer i-Asphalmed Asphaltbakhokelele ekunikezelweni kwawo ngokusemthethweni kwizicelo zokucela. Ukucwangciswa ngononophelo, ukukhetha kufanelekileIimodyulisi(njengeI-Elvaloy ™Ukuzinza), kunye nokusebenzisana nabathengisi abanamava kunokulawula ngokufanelekileyo. Unxibelelwano olucacileyo, ukujongana ne-PARK PREAM PRORTON, kubalulekile phakathi komthengisi kunye nomthengi ukuqinisekisa iimfuno kunye nemiceli mngeni enokubakho iqondwa.

9. Ukwenza ukhetho olufanelekileyo: Ndikukhetha njani eyona nto iguqulweyo ye-asphalt yam?

Ukukhetha ilungeloI-asphalt ye-asphaltayisiyo-fit-fire-tity-sonke isigqibo. Ifuna ukuthathelwa ingqalelo ngenyameko kwezinto ezahlukeneyo kwiprojekthi. Ngomntu onjengaManqaku eThompson, obonelela ngezixhobo ezahlukeneyo (i-Aluminium smelters ifuna i-pitch / coke, kodwa ukuqondwa kwezi ndlela zokukhetha i-asphalt), ukukhetha iikhrayitheriya zokukhetha kubalulekile.

Nalu ukophuka kwezinto ekufuneka kuqwalaselwe:

1. Imozulu:Ingaba iindlelaIbekwe kwindawo enobushushu obugqithisileyo, ukubanda kakhulu, okanye ukutshintsha kobushushu obukhulu? Oku kuyalela okufunekayoI-pgIbakala. Ubushushu obuphezulu bunyanzelisa ukunyangwa kwe-Rut elungileyo (Iqondo lokushisa eliphezuluUkuqina), ngelixa i-cemates ebandayo ifuna ukugqwethaamaqondo obushushu asezantsiUkuguquguquka ukukhuselaUkuqhekeka kwe-thermal.
2. Umthwalo wetrafikhi:Ingakanani itrafikhi, kwaye loluphi uhlobo (iilori ezinzima, izithuthi ezihamba kancinci), iyaindlela yendlelaphatha? Ngaphezuluumthwalo wetrafikhiImitha kunye nobunzimaukudinwa.
3. Iimfuno ezithile zomsebenzi:Ngaba kukho ubunzima obuthile odinga ukulwa? Umzekelo, ukuba ukudinwaukuqhekekayeyona nto iphambili, i-ElastomericmodifiernjengeI-sbsokanyeI-Elvaloy ™inokukhetha. Ukuba uzinzo lobushushu obuphezulu yeyona njongo iphambili,I-EvaokanyeI-Elvaloy ™inokuba kukhetho olufanelekileyo.
4. Isakhiwo seNdawo:Uyilo lwabapheleleyoindlelaInkqubo (ububanzi bomgangatho, umgangatho wesiseko) Inefuthe elixinzelelekileyo olwalufumanayo.
5. Ukufumaneka kunye namava asekhaya:Ziintlobo ezithile zeI-asphalts eguqulweyoIfumaneka ngokulula kwingingqi? Ngaba iikontraki zalapha ekhaya zinamava asebenza ngokukodwaI-PMAIindidi? Ngamanye amaxesha ukuqwalaselwa okusebenzayo kuyaphembelela ukhetho.
6. Uhlalutyo lweendlekoNgelixa intsebenzo iphambili, iindleko zihlala ziyinto. Vavanya iindleko zokuqala ngokuchaseneyo nolwandiso olulindelweyo kwiUbomi Benkonzokunye nokuncitshiswa kweIindleko zokugcina. Utyalomali oluphezulu oluphezulu kwiprimiyamumodifiernjengeI-Elvaloy ™inokugwetyelwa ngokude kakhuluUbomi beNdawokwiimeko zokufundela. IIZiko le-AsphaltInika izixhobo ezinokukunceda ngohlalutyo lweendleko zobomi.
7. IINKCAZO:Qinisekisa ukuba abanyuliweyoI-asphalt ye-asphaltIfezekisa yonke ingcaciso yeprojekthi kunye nemigangatho efanelekileyo (i.G., i-AASTTO, i-ASTM, iimfuno ze-DOT). Ukudibana kwezixhobo ezinjeIZiko le-Asphaltinokubonelela ngesikhokelo sendlela efanelekileyo.

Ekugqibeleni, ukhetho lubandakanya ukulungelelanisa iimfuno zomsebenzi, iimeko zokusingqongileyo, iimfuno zendlela, kunye nezithintelo zohlahlo-lwabiwo mali. Ukusebenza ngokusondeleyo noMboneleli onolwazi, njengeqela lethu kumzi-mveliso, oqonda iipropathi ezahlukeneyoI-asphalts eguqulweyo (Njengomqondo ophakathi we-AsphaltokanyeIqondo lokushisa eliphezulu), kubalulekile ukuba senze isigqibo solwazi. Singanceda izisombululo zefowuni esekwe kwiimfuno ezithile, zithintela amava ethu ngokuhlukeneyoi-polymerIindidi kunye namabanga.

10. Liyintoni ikamva lokuguqula kuka-Asphalt kunye nokufuna iindlela ezingcono?

Intsimi yeUkulungiswa kwe-asphaltiyaqhubeka ivela, iqhutywa yimfuno yokuqina ngakumbi, ineendleko, kwayeuzinzoIipavements. Iindlela ezininzi ezinomdla zibumba ikamva:

• I-Polymer Prolymer Chemistry:Uphando luyaqhubeka kwiindidi ezintsha zei-polymerskwayeukuguqulwaIindlela zobuchule. Oku kubandakanya ukuqhubeka kophuhliso lwee-polymers ezisebenzayoI-Elvaloy ™, Ukuhlola iinkqubo ze-hybrid ukudibanisa okwahlukileyoIimodyulisi, kwaye uyila i-polymers ngenkcaso engcono kakhulu ekuphelisweni (i-ultravioletukukhanya kunye ne-oxidation) kwayeukonakaliswa.
• UKUSETYENZISWA KOKUSETYENZISELWA KWEZOBUCHULE:Ukomelela ngumqhubi ophambili. Uphando olubalulekileyo lujolise ekuphumeni kwepesenti ephezuluI-plastics ehlaziyiweyo, irabha ye-crub(ukusuka kumatayara), kunye ne-Asphalt ye-Asphalt ye-AsphaltImixube ye-asphalt eguqulweyongaphandle kokusebenza kakuhle.IimodyulisiDlala indima ephambili ekuthengiseni ezi zinto.
• Bio-Binders:Kukho inzala ekhulayo ekuphuhliseni i-asphalt ye-asphalt efakwe ngokuyinxenye okanye iphela kwizibonelelo ezihlaziyiweyo (ii-oyiles, i-oyile, i-lign) njengeenkuni zepetroliisamente. UkuguqulwaIindlela zobuchule zinokuhlengahlengiswa kwezi ntlobo zintsha zabafundi.
• I-nanotechnology:Abaphandi baphonononge ukusetyenziswa kwe-nanomateals (njenge-nanoclay okanye i-carbon natot) njengoko kunokwenzekaI-Asphalt modifiersUkufezekisa ukuphuculwa kwentsebenzo kubaluleke nangakumbi kumazinga okungenisana kakhulu.
• Itekhnoloji efudumeleyo ye-Asphalt (WMA)Ngelixa unganyanisekangaukuguqulwa, Iiteknoloji ze-WMA zivumela uAsphaltumxube(kubandakanyaI-asphalt ye-asphalt) Ukuveliswa kwaye kubekwe kubushushu obuphantsi. Oku kunciphisa ukusetyenziswa kwamandla, ukukhutshwa, kunye ne-sume fume abasebenzi, ukulungelelanisa kunyeuzinzoIinjongo. Rhoqo, i-Woma yongezelelo isetyenziswa ngokudibeneyoI-Polymer Binders eguqulweyo.
• Inkcazo esekwe kwintsebenzo:Kukho ukutshintsha okuqhubekayo kwinkcazo echaza iUmsebenzi ofunekayo(E.G., ukumelana nokudakumba,ukuqhekeka) Endaweni yokubalisa iindlela ezithile zokupheka. Oku kukhuthaza ubuchule obutsha kwaye kuvumela abathengisi ukuba basebenzise eyona isebenzayoukuguqulwaIindlela (njengokusebenzisaI-Elvaloy ™) Ukuhlangabezana neethagethi zentsebenzo.

Njengomvelisi ozibophelele kumgangatho kunye nezinto ezintsha, sibeka esweni le mikhwa. Injongo ihlala ifana: ukubonelela ngezinto ezinjengethuI-asphalt ye-asphaltOko kwenza ukuba ukwakhiwa kweendlela ezihlala ixesha elide, zenza ngcono phantsi koxinzelelo, zifuna ulondolozo oluncinci, kwaye zinegalelo ngakumbiuzinzoInethiwekhi yeziseko zophuhliso kwihlabathi liphela. Uhambo lweUkulungiswa kwe-asphaltukude kakhulu, ukuthembisa izisombululo ezingcono zeiindlelaingomso.

I-fetays eziphambili ekufuneka ikhumbule:

• I-Asphalt ye-Asphalt (PMA):I-Asphalt ye-Asphalt ye-Asphalt iphuculwei-polymersokanye enyeIimodyulisiukuphucula intsebenzo.
• Izibonelelo eziphambili:Ukunyuka kokuchasana nokuhlanjwa, ukudinwaukuqhekeka, Ukuqhekeka kwe-thermal, kwayeukufumaUmonakalo, okhokelela kwixesha elideInkonzo yeWepekunye nobomi obusezantsi-umjikeloiindleko.
• Iimodyuli eziqhelekileyo: I-sbs(i-Elastomer),I-Eva(iPlastomer), kunye ne-polymers esebenzayoI-Elvaloy ™. Irabha ye-crubkwayeI-plastics ehlaziyiweyoziyasetyenziswa.
• Ukuphuculwa kwentsebenzo: I-polymersYenza uthungelwano lokuqinisa ngaphakathi kwi-Asphalt, ukuphucula ukuqina kwayoamaqondo obushushu aphezulukunye nokuguquguquka kwiamaqondo obushushu asezantsi.
• Ukuzinza: I-PMAInegalelo ekuzinzisweni kokuhlala ixesha elideUbomi beNdawo, ukulungiswa kokulungiswa, kunye nokubanakho kubandakanyaukuphinda usebenzise kwakhonaizixhobo.
• Umgangatho ubalulekile:Uvavanyo olungqongqo (I-pgUkuhlelwa, i-DSR, BRO), uLawulo lweNkqubo, kwaye lufanelekileyoUkusasazeka kwe-modifierzibalulekile ekuqinisekiseni ukusebenza okungaguqukiyo.
• Izinto zokukhetha:Ukukhetha kweI-PMAixhomekeke kwimozulu,umthwalo wetrafikhi, iimfuno ezithile zomsebenzi, iindleko, kunye nezinto zasekhaya. Intsebenziswano nabathengisi abanolwazi sisitshixo.
• Imeko yexesha elizayo:Gxila kwi-polymers ephezulu, ukwanda kokuphinda kusetyenziswelwe, ii-bio-binds, i-nanotechnology, kunye neenkcazo ezisekwe kwintsebenzo.

Ngokuqonda nokusebenzisaI-Polymer i-Asphalmed Asphalt, abathathi-nxaxheba bafana noMarkoni kunye namashishini basebenza banokwakha ngcono, baninzi ngakumbi, nangaphezuluuzinzoiziseko zophuhliso kwikamva.