Shanduko nzira: Simba rePolymer rakagadziridzwa asphalt for gadziriro yekugara

Pfupiso:Tsvaga nyika yepolymer yakagadziridzwa asphalt(PMA), kufambira mberi kwakakura pamusoro petsikaasfirlts. Ichi chinyorwa chinodedera mune chiiyakagadziridzwa asphalt, neiasphalt yekugadziridzwainokosha yezvinoitika zvemazuva ano, mhando dzepolymermodifiers inoshandiswa (seyevhuElvaloy ™ ratsoka), uye kuti zvinoitungamira sei kune zvakawanda zvakaringana,sousfulable, uye mutengo-unoshandaPaments. Kana iwe uchibatanidzwa muzvinhu zvekuvakwa kwemugwagwa, aluminium kunyudzwa, kana simbi kugadzirwa, kunzwisisaPMAkiyi yekuzadzisa kuita kuri nani uye hupenyu hurefu, zvinogona kutowanyadzokororahova sengePurasitiki. Verenga kuti udzidze kuti kusarudza kodzeroAsphalt Shandisainogona kuita nyika mutsauko.

1. ChaizvoizvoNdizvoYakagadziridzwa asphalt? Kunzwisisa izvo zvekutanga

Pazasi payo, asphalt itsvina, dema, uye yakanyanya viscous mvura kana semi-yakasimba fomu ye petroleum. Iglue, kanaasphalt binder, iyo inobata maAggregates (sewe dombo nejecha) pamwechete kuti ugadzire iyoAsphalt preeTinotyaira pazuva rega rega. Nekudaro, standard kana "yakachena"asphalt binderine zvavanogumira. Inogona kuve brittle uyekupengamukatikutonhora-tembirichamamiriro kana akapfava uye anowedzera kuongororwa (Kudzivirira Kusvibisanyaya)kupisa kwakanyanya. Apa ndipokushandurwainouya.

Yakagadziridzwa asphaltChaizvoizvo zvakajairikabase asphaltizvo zvakavandudzwa nekuwedzera zvakanangapolymerskana zvimweZvinhu zvakasiyana(modifiers). Funga nezvazvo sekuwedzera zvinhu zvakakosha kune imwe nzira yekuvandudza chimiro chayo, simba, kana kuti inozvibata sei mumamiriro ezvinhu akasiyana. Chinangwa cheasphalt yekugadziridzwandeyekuvandudza iyoZvivakwa zvemuviriof the binder, ichiita kuti ive zvakanyanya kutenderwa uye zviri nani kugadzirisa kushushikana kwemazuva anoTraffic mutorouye makiromita akasiyana. The theBinder inoshandurwakuzadzisa zvakanangaKuita Kwaunoda Kuitahunhu izvoZvakasarudzikaAsphalt haigone kuburitsa nguva nenguva.

Maitiro acho anosanganisira kuchenjera kusarudzwa kwevasina kusarudzwamodifiermukupisaasphalt binderkugadzira yakagadzikana, homogeneousmusanganiswa. Kushanda kwekushandurwazvinoenderana nemhando uye huwandu hwepolymeryakashandiswa, izvo zvivakwa zvebase asphalt, uye kuwirirana pakati peiyo binder uyezvinowedzera. Uku kusimudzira kunogadzira mumiriri akasungwa akasungwa eAsphalt musanganiswa, inotungamira kune yakasimba, zvimwerefu-pekugara pambiro.

2. Nei kusimudzira? Kuvhenekesa zvakanakira polymer yakagadziridzwa asphalt

Saka, nei uchienderera nedambudziko uye zvinogona kuwanikwa nemutengo wekushandisayakagadziridzwa asphalt? Mhinduro iri mune yakanyanya kuvandudzwa kuita uye yakawedzerwaPament Hupenyu. Tichienzaniswa neyakajairwaAsphalt,polymer yakagadziridzwa asphaltinopa huwandu hwezvakanakira zvakanakira zvinoshandura mukukosha kuri nani pamusoro peHupenyu hweBasayemugwagwa. Mako Thompson, sevazhinji vatariri vekugadzira, vanotarisa hunhu hunoruramisa mutengo, uyePMAkazhinji inoburitsa izvo chaizvo.

Heano mamwe mabhenefiti akakosha:

• Kuwedzera kuramba kuongororwa:Panguvakupisa kwakanyanya, Asphalt yakajairika inogona kupfava, inotungamira kuisheni yekusingaperi kana maronda ari pasi pehuremuTraffic mutoro. Polymer Kugadziridzwa, kunyanya nealastromers sengeSbskana polymers inofarira sengeElvaloy ™ ratsoka, inowedzera kuomarara kwebhuruu uye nekukasira pamhepo dzakakwirira dzekupisa, kubatsira thepambiro tsungiriradeformation.
• Yakavandudzwa kupokana nekupera simba kupaza:Kudzokororwa traffic kurodha kunogona kukonzera kupera simbakupazamukatiAsphalt pree, kunyanya sezvazviri.Yakagadziridzwa binderssimbisa kushanduka kwesphalt uye kugona kupora kubva mukunetseka, kunonoka zvakanyanya kwekutanga kwekupera simbakupaza.
• Yakavandudzwa kupikisa kune inopisa kupaza:Mumamiriro ekunze anotonhora, zvibvumirano zvepashure. Kana kushushikana uku kunodarika simba rekubhuroka.kupaza kwemahombekombezvinoitika.Modifiersinogona kuvandudza iyoyakaderera-tembirichakuchinjika kweasphalt binder, zvichiita kuti isanyanya kutaridzika kune urwu rudzi rweKutambudzika kwekutambudzika.
• Kuderedzwa unyoro hwekunyengera:Mvura inogona kunetesa chisungo pakati peasphalt binderuyeAggregate, inotungamira kurima (strip) uye yekutangapambirokukundikana. Vamwepolymer yakagadziridzwa asfirltsRatidza ZvirinaniAdhishingzvivakwa uye hazvigoneke kukunyorova, kuvandudza zvesekusimba.
• Yakawedzera Pavement Service Hupenyu:Nekuderedza kuganhurira nzvimbo dzinowanzoita senge rutting uyekupaza, polymer yakagadziridzwa asphaltinogona kuwedzera zvakanyanya kushandaHupenyu hweBasaapambiro, zvichitungamira kuhupenyu hwakadzikira-kutendereramutengo uye kuderedzwa kuda kwekugaraMari yekugadzirisa.

Uku kuvandudzwa kunorevaMigwagwa yakagadzirwanaPMAInogona kubata asher mamiriro ezvinhu uye yekugara kwenguva refu, kupa mari yakakura kwazvo yekugara kwenguva refu kunyangwe zvikaita zvekutanga zvekutanga mari yekutanga. Semunhu anoongorora zvinhu, anoverengera zvinhu zvinokwana uye kuderedza kutemwa kwemangwana kwevatengi vako (semakambani ekuvaka emugwagwa) ane hofisi huru.

3. Ndeapi marudzi akajairika ePolymer Modifizi anoshandiswa mune asphalt?

Nyika yeasphalt yekugadziridzwainoshandisa mhando dzakasiyana dzepolymers, imwe neimwe inoisa hunhu hwakasiyana kune yekupedzisiraasphalt binder. Sarudzo yemodifierzvinoenderana chaizvo nekunyorwa kwekusimbisa kunodiwa, mamiriro ekunze,Traffic mutoro, uye kufunga kwematengo. Sefekitori sedzedu seyedu, isu tinoshanda nezvakadzika zvakasiyana siyana kusangana nezvinodiwa zvepasi rese, kubva kuUSA kuEurope neAustralia.

Zvimwe zvinonyanya kuitikapolymermodifierszvinoshandiswa zvinosanganisira:

• Styrene-butadiene-Styrene (SBS):Izvi zvimwe zvinoshandiswa zvakanyanyapolymer modifier. Sbsis a thermoplastic elasomer, zvichireva kuti inozvibata seRubber paSevhisi Tembiricha asi inogona kuitwa sePurasitikikupisa kwakanyanya. Inoumba network mukati measphalt binder, zvakanyanya kuvandudza elasticity, kuchinjika (kunyanya pakupisa kwakadzika), uye kuramba kune zvese zviri zviviri kuhukura uye kupera simbakupaza. Sbsinogona kuve mutsara kanaradialmune ayomolekyarchimiro.
• Etleyne Vinyl acetate (Eva): Evais the thermoplasticpolymer(plastomer). Iyo inonyanya kuwedzera kuomarara uyeviscosityyeasphalt binder, kuvandudza kupokana kwaro kuti utonge payakakwira-tembirichamamiriro. Nepo ichivandudza mashandiro akanyanya-tembiricha, zvayo zvinoitikayakaderera-tembirichaKuchinjika kunogona kunge kushoma kutaurwatichienzaniswa neyakajairwaElastomers sengeSbs. The thevinyl acetateZvemukati zvinokanganisa zvivakwa zvaro.
• Maitiro elastomeric terpolymers (i.ege, Elvaloy ™ ret):Izvi zvakapfuuramodifiersyakagadzirirwa kuita nemakemikari neasphalt binder. Elvaloy ™ ratsoka, yakagadzirwa naDOW Inc., muenzaniso mukuru. Uku maitiro emakemikari kunogadzira zvachose, yakagadzikanapolymerNetwork mukati measphalt, inopa yakanakisa elasticity, yakakwira-tembiricha kugadzikana (Kugadzikana kweTermal),kutonhora-tembirichakuita, uye kuchengetedza kugadzikana. TichakurukuraElvaloy ™ ratsokamune rumwe ruzivo gare gare.
• Zvimwe Modifiers:
  • Crumb rabha:Inotorwa kubva kuhurema matai,Crumb barabarinoshandiswa kuvandudza elasticity uye rut kuramba. Kushandiswa kwayo zvakare kunokurudzirakudzokorodza.
  • Polyethyle (pe):Mhando dzakasiyana-siyana dzePe dzinogona kushandiswa, dzinowanzowedzera kuomarara. Dzimwe nguva,dzakadzorwazve purasitikiinobatanidzwa.
  • Polyphosphoric acid (PPA):Nepo kwete apolymer, PPA dzimwe nguva inoshandiswa, kazhinji pamwe chete ne polymers, kuti uwedzere kuomesa musoro.Pggiredhi) yeiyo binder.

Kunzwisisa idzi dzakasiyana mhando dzekushandurwainobatsira mukutsanangura chigadzirwa chakaringana kwechimwe chinhu chaicho, kungave kuri kwekutengeswa kwakasimba mugwagwa muNorth America kana nzira yedunhu muEurope. Imwe neimweRudzi rwekushandurwainopa chiyero chakasiyana chezvivakwa.

4..

Ngativete zvakadzama mukatiseikuwedzerapolymersinoshandura nzira dziri nani. Mashiripiti anoitika pamicro-level, achichinjaZvivakwa zvemuviriuye maitiro eRheological (kuti inoyerera sei uye mashiripiti) yeasphalt binder. Iyi yakamhanyirwa binder ikabva yagadzira imwe imba yakasimbaAsphalt musanganiswaKana ichisanganiswa neAggregate.

Funga nezvevavengi vakuru veAsphalt pree: marori anorema, kupisa kwakanyanya, mvura, uye nguva.Polymer yakagadziridzwa asphaltanokanda musoro uyu-pamusoro:

• Kurwisa deformation (kurongedza):Panguvakupisa kwakanyanya, standlast softens. The thepolymernetwork mukatiPMAZviito senge skeleton inosimbisa, ichiwedzera kuomarara kwechikepe uye kupora. Kana tireya rori ichipfuura, iyopambiroMahorodha zvishoma asi anokweretesa kumashure zvakanyanya, zvakanyanya kuderedza kusingaperi kurongeka kunozivikanwa sechairidzwa (rut). Izvi zvakakosha mumigwagwa ine yakakwiriraTraffic mutoromavhoriyamu kana zvishoma zvishoma-zvinofamba mota dzinorema.
• Kuramba Kuneta Kuneta:Fungidzira uchibva papepa rekudzosera kumashure uye pakupedzisira, zvinotyora.Asphalt preeZvakaitika Zvakafanana Kunetsekacleclepasi pekutenderera.PolymersSimbisa chinoshanduka-shanduka uye kugona kutambanudza usingatapure, kunyanya kuwedzera hupenyu hwayo hunonetesa. Izvi zvinoreva kutipambiroinogona kutsungirira yakawanda yakawanda kurodhacleclezvisati zvaitikakupera simba kupazaanotanga kuoneka, achiwedzera hupenyu hwayo hunobatsira.
• Kudzivirira kupazaKana tembiricha plummet, asphalt zvibvumirano uye inova brittle. Kana kushushikana kwekukanganisa kwakanyanya, zvinokonzeresayakaderera-tembirichakanakupaza kwemahombekombe. Polymer Kugadziridzwa, kunyanya ne elastromers sengeSbskana polymers inofarira sengeElvaloy ™ ratsoka, inovandudza kugona kwemabhizimusi wekuramba uchichinjikakutonhora-tembirichaKunyanyisa, kuderedza njodzi yekukuvadza ukumarara. Izvi zvakakosha kuti matunhu anosangana nehasha hutsinye.
• Kuderedza kukuvadza kwakanyorova (kubvarura): Polymersinogona kuvandudza iyoAdhishingpakati peasphalt binderuyeAggregatenzvimbo. Chisungo chakasimba chinoreva mvura isingasviki uye inoderedza iyo interface, maitiro anonzi anobviswa. Izvi zvakavandudzwakunyorovaKupesana kunobatsira zvakanyanya kune zvese zvakazarakusimbauye longedity yeAsphalt pree. ZvirinaniAdhishinganochengetamusanganiswamusana.

Chaizvoizvo,kuita kwekushandurwaasphalt yakakwirira nekuti iyopolymernetwork inoshandura shanduko kuti iyo binder inopindura sei kune kusagadzikana uye zvinhu zvakatipoteredza, zvichikonzera kusimba, zvakanyanya kutenderwapambirochimiro. Izvi zvakananga kero zvine chekuita nezvekuputika kwakazara uyeMari yekugadzirisa.

5. Inogona kugadzirisa asfirlts kugadzirira nzira yekuwedzera kwekuvaka mumugwagwa?

Zvamazvirokwazvo. Nepo yekutanga kutarisisa kweasphalt yekugadziridzwayakanga yakachena pakusimbisa kwekuita, mabhenefiti anokonzerwa akabatikana zvakanyanya nekusagadzikana kwekuwedzera kune zvimwesousfulablemhinduro infrastructure. Mako Thompson, kubata nemaindasitiri akasiyana-siyana, anonzwisisa kukosha kuri kuwedzera kwefungidziro yezvakatipoteredza uye kukosha kwenguva refu.

Heano maitiroyakagadziridzwa asphaltinopa kutsigirwa:

1. Hupenyu Hurefu hwekugadzira:Izvi zvimwe zvinobatsira zvakanyanya.Migwagwa yakagadzirwanaPMAKureba kwenguva yakareba. NekuwedzeraHupenyu hweBasaofpambiro, tinodzora nguva yekugara kukuru nekugadzirisazve. Izvi zvinoreva kupedza zvishoma zvishandiso zvidiki (Aggregate, binder), uchishandisa simba shoma rekugadzirwa nekuvakwa, uye zvichikonzera kushoma traffic traffic pamusoro pePament'sHupenyukutenderera.
2. Kuderedzwa kuchengetedza:Kuvandudzwa kuramba kunetseka sekutongwa,kupaza, uye kubvumidzwa zvinoreva kushoma kudiwa kwekuita tsikaMari yekugadzirisakunge kupaza chisimbiso nekubiridzira. Kuderedzwa Kugadziriswa Kunodzora Kuderera Kwemidziyo Spection, Shoma Fuel Kushandisa nemapere ekugadzirisa, uye njodzi dzishoma dzekuchengetedza dzinosanganiswa nenzvimbo dzebasa.
3. Kugona kwekutora matombo:Mune zvimwe zviitiko, zvakakwirira zvakaringana zvinhu zvepolymer yakagadziridzwa asphalt musanganiswainogona kubvumira zvishoma kutetepapambiromadekwana achiri kuzadzisa iyoKuita Kwaunoda KuitauyeHupenyu hweBasa. Izvi zvinoderedza zvakananga vhoriyamu yezvinhu zvinodiwa.
4. Kukwidza kwezvinhu zvakagadzirwazve:Tekinoroji kumashureyakagadziridzwa asphaltiri kuwedzera kuongororwa kuti ifambise kushandiswa kwedzakadzorwazve purasitiki (dzokorora) mukatiAsphalt musanganiswa. Nepo matambudziko akaramba achisara uye kwenguva refu-kuita, modifiers anogona kubatsira kuti idzore kuenzanisadzakadzorwazve purasitikiMukati measphalt matrix, inopa mukana wekunze kwekubuda kwepurasitiki. Tekinoroji sengeElvaloy ™ ratsokavari kuongororwa nekuda kwekugona kwavo kushanda zvinobudirira nezvimwe zvikamu, zvinogona kusanganisira kusanganisa zvigadzirwa.

Nepomaitiro ekunatsafor Asphalt uye kugadzirwa kwepolymersivo pachavo vane tsoka dzezvakatipoteredza, iyo yakawedzera lifespan uye yakaderedza zvinodiwa zvinopihwa nePMAGadzira nharo yakasimba yebasa rayo mune zvimwesousfulable Asphalt arikuvharamaitiro. Iyo inotarisa inoshanduka kubva pane yekutanga yekukanganisa kwehupenyu hwesekutendereraperformance uye kushandiswa kwezvinhu. Uku kutaura kwenguva refu kuri kwakakosha pakuronga kwekusimbisa uye kwekudyara.

6. Spotlight pane ruzivo: Chii chinonzi Elvaloy ™ rets uye nei zvakakosha?

Pakati pezvakasiyana-siyanapolymermodifiers inowanikwa,Elvaloy ™ ratsoka(Recastive elastomeric terpolymer) kubvaDOW Inc.inomiririra kufambira mberi kwakakosha kwehunyanzvi muneasphalt yekugadziridzwa. Haisi chete yakapusa yemuvirisanganisa; yakagadzirirwaitanemakemikari neasphalt binder. Iyi yekuona inoiisa kunze uye inopa zvakaringana zvakanakira izvo zvakanyatsoshanda pakuwana zvakakwirira-kuita,refu-pekugaraPaments.

Chii chinoitaElvaloy ™ ratsokayakakosha?

• Chemical Kubhururuka:KusiyanaSbs, iyo inoumba network yemuviri,Elvaloy ™ ratsokaine mapoka anoshanda ayo emakemikari anosungwa neanonyora mamorekuru muasphalt binder. Izvi zvinogadzira chisingagumi, chakagadzikana, matatu-dimensionalpolymernetwork mudasphalt.
• Yakavandudzwa Elasticity uye kuomarara:Zvinokonzerwapolymer yakagadziridzwa asphaltkuratidzira kupora kwakanakisa kwelastic kukosora pane yakasarudzika tembiricha. Izvi zvinoreva kupokana kwepamusoro kuti utarisekupisa kwakanyanyauye kuvandudza kuchinjika kudzivirirakupazapanguvakupisa kwakadzika.
• Kuchengetwa Kugadzikana:Dambudziko Rimwe Nevamweyakagadziridzwa asphalts, kunyanyaSbs-Ndifieds, inogona kuve yekuparadzaniswa kwepfungwa panguva yekupisa. Bhavhavha yemakemikari akawanaElvaloy ™ ratsokazvinoguma nekugadzikana kwakanyanyamusanganiswaizvo zvinoramba kupatsanurana, kurerutsa zvinhu uye kubataAsphalt arikuvharaMakondirakiti. Izvi zvakananga kero zvinogona kurwadza pfungwa dzine chekuita nekuenderana kwekunyanyisa.
• Kusununguka kwekugadzirisa: Elvaloy ™ ratsokainopiwa mune yemahara-inoyerera pellet fomu, ichiita kuti ive nyore kubata uye kubatanidza muasphalt binder.
• Kuedza: Elvaloy ™ ratsokayakaratidza inoshanda mune dzakasiyana-siyana maapplication, kubva kune inoda nzira yekudaPamentskumhepo inosurukirwa. Inobatsira kuzadzisa yakakwiraPg(Performance giredhi) mabhandi anodikanwa nezvakadzama kungeSuperPave.

Kusimudzira kweanoshanda modifiers sengeElvaloy ™ ratsokainoratidzira iyo inoenderera ichirovera mumunda. Kune vanopa siri sesu, kupa zvigadzirwa zvakashandurwa nekukasirapolymerskungeElvaloy ™ anogadzirisa elastomericTerpolysmers anotitendera kuti tisangane nekuwedzera kwekuita zvinodiwa pakuita mabasa emapurojekiti muneU.S., Europe, uye kupfuura. Inomiririra premiumkushandurwaSarudzo yekuwana kumusoro-tierpambirokuita uyekusimba. UchishandisaElvaloy ™ ratsokakazhinji inotungamira mukuvandudzwa kwakakosha mukudzivirira kune zvakajairikaKutambudzika kwekutambudzikamichina. Chemistry yakasarudzika yeElvaloy ™ ratsokainopa mhinduro yakasimba ichienzaniswa nemaperembudzi ari nyore emuviri. RiniElvaloy ™ ratsokainobata, inoumba network iyo inopindahydrocarbonzvikamu, kuvandudza kugadzikana kwese.

7. Unhu huri sei uye kuenderana kwe polymer yakagadziridzwa asphalt yakavezwa?

Maka Thoompson Kunetseka Nezve Kuongororwa Kwemhando uye Certification inoshanda zvakanyanya, kunyanya kana ichisvika zvinhu pasi rese. Kuvimba nemhando uye kusawirirana kwepolymer yakagadziridzwa asphaltiri paramount yekuzadzisa iyoKuita Kwaunoda Kuitamukupedzisirapambiro. Izvi zvinosanganisira kuyedzwa kwakaomarara uye kuomerera kune zviyero mukugadzirwa kwese nekupa maitiro. Sefekitori ine mitsara yakawanda yekugadzira uye ruzivo rwekuburitsa pasi rose, tinonzwisisa izvi zvinodiwa.

ZVINOKOSHA ZVINOKOSHA ZVINOGONESA ZVINOGONESA:

• Binder kutsanangurwa uye kuyedza: Yakagadziridzwa asphalt bindersvanowanzo gakara vachishandisa masisitimu sengeSuperPaveKuita kwekuita (Pg) system. Iyi sisitimu inoratidza iyo binder yakavakirwa pane yayo inotarisirwa kuita maererano nemamiriro ekunze (i.e.,Pg76-22 inoratidza kuti inosungirwa yakakodzera tembiricha yepamusoro yeanosvika 76 ° C uye mashoma e22 ° C). Yakajairika bvunzo kuyera zvivakwa senge:
  • Viscosity:Mashandiro anoyerera masheketi ekudziya kwakakwirira (akakodzera kusanganisa uye kuenzanisa).
  • Dynamic Shear Rherometer (DSR):Matanho kuomarara uye elasticity panguva yepakati uyekupisa kwakanyanya(anorondedzera kuongororwa uye kupera simbakupaza).
  • Kubheka Beam Rheometer (BBR):Matanho kuomarara pakupisa kwakadzika(anorondedzera kunakupaza kwemahombekombe).
  • Direct tension tester (DTT):Matanhoyakaderera-tembirichaductility (zvakare anorondedzerakupaza kwemahombekombe).
  • Elastic kupora:Inoyera kugona kweiyo binder kuti "kusvetuka kumashure" mushure mekutambanudzwa.
  • Nyoro yekunyorova:Inoratidza tembiricha iyo iyo asphalt inosvika kune imwe nhanho yekupfava.
  • Kupinzwa:Chiyero chechinyakare chekuomesa / kusawirirana pane tembiricha yakajairwa.
• Modifier kuwirirana uye kupararira:Zvakakosha kutipolymer modifierinoenderana nebase asphaltuye akaparadzirwa zvakanaka mukati mehushe. Murombokupararirainogona kutungamira kuchigadzirwa chisingapindirani uye subpar kuita. Nhungamiro dzakaita seFluorescencemicroscopyinogona kushandiswa kuona kutarisapolymernetwork chimiro mukatiyakagadziridzwa asphalt. Zvinowiriranakupararirakiyi.
• Production Kudzora Kudzora:Vagadziri vanofanirwa kuramba vakasimba kudzora pamusoro pekuvharira tembiricha, nguva dzekusanganisa, uyemodifierKuwedzera mitengo kuti ive nechokwadi chechigadzirwa chinoenderana batch mushure me batch.
• Certification:Vanokurumbira vanopa vanofanirwa kupa zvinyorwa zvavanofanira kupa kuti chigadzirwa chavo chinosangana nezvinodiwa (i.e., aashto, ASTM, kana chaiwo purojekiti zvinodiwa). Conformance kuti iso zviyero zvemhando yepamusoro manejimendi zvakare chiratidzo chechokwadi. Kugadzirisa kunetseka kwaMako nezve chitupa hunyengeri kunoda kushingairira uye kushanda nevatengesi vakagadzwa, vanowoneka.
• Musanganiswa dhizaini uye kuyedza:Kupfuura iyo binder, yekupedzisiraAsphalt musanganiswa(Binder +Aggregate) inofanirawo kugadzirwa zvakanaka uye kuedzwa (i.e., uchishandisa marshall kanaSuperPavegyratory combices nzira) kuti ive nechokwadi kuti inosangana neVolumetric uye maitiro ekuita kunge kupokana kuti aratidze uyekunyorova kunyengera. Zvikamu zvekuedzwadzinowanzoshandiswa kusimbisa maitiro mumamiriro ezvinhu epasi.

Kudzora kwemhando ndeye yakawanda-nhanho maitiro, yakakosha kuti uve nechokwadi chekuti nzvimbo dzakavimbiswa dzakavimbiswa napolymer yakagadziridzwa asphaltzvinunurwa chaizvo panemugwagwa.

8. Kufambisa mugwagwa uri mberi: Kune matambudziko mukushandisa yakagadziridzwa asphalts?

Nepopolymer yakagadziridzwa asphaltInopa zvakakwanisika zvakanakira, zvakanaka kubvuma matambudziko anganogona ayo anoshandiswa nevashandisi nevagadziri. Kunzwisisa izvi zvinobatsira mukuronga uye kudzikisira zvinogoneka nyaya.

• Yakakwirira yekutanga mutengo: Polymer modifiersuye kuwedzera kwekuwedzera kunodiwa kazhinji kugadziraPMAinodhura kupfuura zvakajairikaasphalt binder. Iyi mutengo kumusoro inoda kuremerwa kurwisa zvakanakira kwenguva refuHupenyu hweBasauye kuderedzwaMari yekugadzirisa. Hupenyu-kutendereraKuongorora kwemutengo kunowanzo kuratidza kukosha kwekukosha, asi iyo yekutanga bhajeti yekukanganisa chinhu.
• Kubata uye Kuchengetedza:Vamweyakagadziridzwa asphalts, kunyanya avo vakakwirapolymerkutarisisa kana mamwe marudzi akadaiSbs, zvingangoda zvepamusoro kusanganisa uye kuenzanisa tembiricha zvichienzaniswa neZvakasarudzikaasphalt. Kuchengetedzeka kugadzikana kunogona kuve kunetsekana, kuda kushushikana kwakaringana mumatangi ekuchengetedza kuti udzivise kupatsanura chikamu (kunyangwe modifiers yakaita seiElvaloy ™ ratsokazvakanyanya kukunda izvi).
• ZVINOKOSHA ZVINOKOSHA:Kwete zvesepolymerszvinowirirana nezvosebase asphalts. Chemistry yebase asphalt, zvinopesvedzera neakasviba mafuta masosi uyemaitiro ekunatsa, inogona kukanganisa sei iyopolymerkuparadzira uye kuita. Kuyedzwa kunowanzo kudiwa kuti uve nechokwadi chekuenderana.
• Kuda kwehunyanzvi:Kugadzirwa kwakakodzera, kubata, uye kushandiswa kwePMAinoda kunzwisiswa kwakanaka kwezvinhu zvenyama. Makondirakiti uye technical vashandi vanoda kudzidziswa kwakakodzera uye ruzivo rwekuziva kutipambiroyakavakwa nemazvo kuti uwane iyoKuita Kwaunoda Kuita. Iyi kero maka Mako Thompson Cherechedzo nezve Kushayiwa hunyanzvi hunyanzvi - kuvimba nekuziva vanopa ruzivo vanowedzera kuoma.
• Mhando yekudzora inoda:Zvikomborero zvekuita zvinokonzerwa nemhando inowirirana. Ino inoisa yakakwira kudikanwa kweiyo iyo yekugadzira mhando yekudzora maitiro uye iyo yemushandisi yemushandisi vimbiso kuyedzwa. Chero kupera, kunge murombomodifier kupararira, inogona kukanganisa maitiro.

Pasinei nematambudziko aya, iyo track rekodhi uye yakaratidza mabhenefiti epolymer yakagadziridzwa asphaltwakatungamira kugamuchirwa kwayo kwakapararira kune zvinodikanwa zvekushandisa. Kunyatsoronga kuronga, kusarudzwa kweakakodzeramodifiers(saElvaloy ™ ratsokaZvekugadzikana), uye kubatana nevatengesi vane ruzivo vanogona kubatsira izvi zvinokwanisika izvi zvisingagoneki. Kukurukurirana kwakajeka, kutaura nezve nguva yekurwadziwa kwaMako, kwakakosha pakati pemutengesi uye mutengi kuona kuti zvinodiwa uye zvinetso zvinogona kunzwisiswa.

9. Kuita sarudzo yakanaka: Ini ndinosarudza sei iyo yakanakisa yakagadziridzwa asphalt ye purojekiti yangu?

Kusarudza kodzeroyakagadziridzwa asphaltHaisi imwe-saizi-inokodzera-zvese sarudzo. Zvinoda kunyatsofungisisa nezvezvinhu zvinoverengeka zvakananga chirongwa. Kune mumwe munhu akaita saMark Thompson, anogovera zvigadzirwa zvekushandisa zvakasiyana (Aluminium anonhuwirira fani

Heino kuputsa kwezvinhu zvekufunga nezve:

1. Mamiriro ekunze:NdiyepambiroInowanikwa munzvimbo ine kupisa kwakanyanya, kutonhora kwakanyanya, kana kutonhora kukuru? Izvi zvinomiririra zvinodiwaPggiredhi. Yakakwira kupisa kunoda kuti rut kuramba kurwisa (yakakwira-tembirichakuomarara), nepo matinji anotonhora anoda zvakanakayakaderera-tembirichakuchinjika kudzivirirakupaza kwemahombekombe.
2. Traffic mutoro:Yakawanda sei traffic traffic, uye mhando ipi (inorema marori, mota dzinofamba-famba), ichavamugwagwaTakura? KumusoroTraffic mutoroMavhoriyamu uye inorema mitoro inoda kuti zvisimbe nekumanikidza kupokana uyekupera simba kupaza.
3. Zvikuru Zvekuita Zvinodiwa:Kune zvimwe zvinonetsa zvaunoda kurwisa here? Semuenzaniso, kana kupera simbakupazandiko kunetseka kukuru, elastomericmodifierkungeSbskanaElvaloy ™ ratsokainogona kusarudzwa. Kana yakakwira-tembiricha kugadzikana ndicho chinangwa chikuru,EvakanaElvaloy ™ ratsokainogona kuve sarudzo dzakakodzera.
4. Pavement Chimiro:Dhizaini yeiyo yakazarapambiroSystem (layer ukobvu, base mhando) inokanganisa kushushikana kwesphalt layer ichaitika.
5. Kuwanikwa uye chiitiko chemuno:Ndedzimwe mhando dzeyakagadziridzwa asphaltsZviripo zviri nyore mudunhu? Ita mabakiti emuno ane ruzivo anoshanda neakanangaPMAmhando? Dzimwe nguva mafungiro anoshanda anokanganisa sarudzo.
6. Mutengo-wekubatsira kuongororwa:Ndichiri kuita iri kiyi, mutengo unogara uri chinhu. Ongorora mutengo wekutanga kupesana nekuwedzera kunotarisirwa kuHupenyu hweBasauye kuderedza mukatiMari yekugadzirisa. Iyo yepamusoro yepamusoro yepamusoro yekudyara muPremiummodifierkungeElvaloy ™ ratsokainogona kururamiswa nekukasira kwenguva refuPament Hupenyumumamiriro ezvinhu anoda. The theAsphalt Instituteinopa zviwanikwa zvinogona kubatsira nehupenyu-kutenderera kwekuongororwa kwehupenyu.
7. Zvinyorwa:Ona kuti vakasarudzwayakagadziridzwa asphaltInosangana neese projekiti yakatarwa uye yakakodzera zviyero (i.e., aashto, astm, dot zvinodiwa). Kubvunza zviwanikwa sengeAsphalt Instituteinogona kupa nhungamiro pane zvakanakisa maitiro.

Pakupedzisira, kusarudzwa kunosanganisira kuyera zvinodiwa pakuita, mamiriro ezvinhu epakatiripiti, traffic inodikanwa, uye maratidziro ebhajeti. Kushanda padhuze nemutengesi anoziva, senge timu yedu kufekitori, uyo anonzwisisa zvivakwa zvakasiyanayakagadziridzwa asphalts (sedanho rekushisa tembiricha asphalt blockkanaTembiricha yakakwira asphalt), yakakosha yekuita sarudzo ine ruzivo. Isu tinogona kubatsira tailor solution zvichibva pane izvo zvinodikanwa, zvichikweretesa ruzivo rwedu nevanhu vakasiyanapolymermhando uye mamakisi.

10. Chii chinotadzisa ramangwana rekushandurwa kwesphalt uye kuda kwemigwagwa iri nani nzira?

Munda weasphalt yekugadziridzwairi kuramba ichishanduka, ichitungamirirwa nekudikanwa kwekutonyanya kusimba, mutengo-unobudirira, uyesousfulablePaments. Maitiro akati wandei anonakidza ari kuumba ramangwana:

• Advanced Polymer Chemistry:Tsvagiridzo inoenderera ichipinda mumhando dzitsva dzepolymersuyekushandurwamaitiro. Izvi zvinosanganisira kuwedzera kukura kweanoshanda polymers sengeElvaloy ™ ratsoka, kuongorora mahybrid system kusanganisa kwakasiyanamodifiers, uye kuronga polymers nekuzvidzivirira kuri nani pakukwegura (Ultravioletmwenje uye oxidation) uyekusvibiswa.
• Kuwedzera Kushandiswa kwezvinhu zvakagadzirwazve:Kusimba mutyairi mukuru. Kutsvaga kwakakosha kunotarisa pakubata zvinobudirira kubatanidza zvakakwirira zvikamu zvedzakadzorwazve purasitiki, Crumb barabar(kubva kumatai), uye dzoreverera asphalt pamba (rap) mukatiYakagadziriswa Asphalt musanganiswapasina kukanganisa kwekukanganisa.ModifiersRidza chikamu chakakosha mukuenzanisa zvinhu izvi.
• Bio-Binders:Kune Kuwedzera Kufarira Kukudziridza Asphalt Binders kwakaitika kana kuti zvakazara kubva pane zvinowanikwa zviwanikwa (bio-mafuta, ligning kubva kune dzimwe nzira kana wechitunha kune petroleum-baster asphaltsimende. KushandurwaMaitiro anogona kuve akachinjiswa kune aya marudzi matsva ezvisungo.
• Nanotechnology:Vatsvagiri vari kuongorora kushandiswa kweNanomatari (kunge nanoclay kana kabhoni nanotubes) sezvinogona kuitikaasphalt modifiersKuti uwane kukosha kwakanyanya kwekuita kunyangwe panguva dzakaderera zvakanyanya kuwedzerwa huwandu.
• Kudziya-musanganiswa asphalt (WMA) Tekinoroji:Nepo usiri kunyatsokushandurwa, Wma Tekinoroji Bvumira Asphaltmusanganiswa(kusanganisirayakagadziridzwa asphalt) kugadzirwa uye kuiswa pakudziya kwakadzika. Izvi zvinoderedza kushandisa simba, emission, uye fume kuratidzwa kwevashandi, kuenderana nesousfulablezvinangwa. Kazhinji, wma ekuwedzera anoshandiswa mukubatana nepolymer yakagadziridzwa mabhenji.
• Performance-based zvirevo:Pane kuenderera mberi kwekuchinja kwakananga kutaurwa kunotsanangura iyoZvinodiwa Kuita(i.e., kuramba kurwadzisa,kupaza) pane kuzviridza nzira dzakasarudzika. Izvi zvinokurudzira ruzivo uye zvinobvumira vatengesi kuti vashandise zvakanyanya kushandakushandurwaStrategies (sekushandisaElvaloy ™ ratsoka) Kusangana neaya maitiro ekuita.

Semunhu anogadzira akaitwa kune hunhu uye hunyanzvi, isu tinotarisa maitiro aya. Chinangwa chinoramba chakafanana: kupa zvinhu kunge zveduYakagadziridzwa asphaltIzvo zvinogonesa kuvakwa kwemigwagwa iyo kwapfuura, ita zvirinani pasi pekunetseka, inoda kushoma kuchengetedza, uye kubatsira zvakanyanyasousfulableinfrastructure network globally. Rwendo rweasphalt yekugadziridzwairi kure nekupfuura, kuvimbisa kunyange mhinduro dziri nani dzeMigwagwazvemangwana.

Key Dealoways kuyeuka:

• Yakagadziridzwa Asphalt (PMA):Commasal Asphalt Binder yakawedzerapolymerskana zvimwemodifierskuvandudza mashandiro.
• BHUKU BHAIBHERI:Kuwedzera kuramba kuongororwa, kupera simbakupaza, kupaza kwemahombekombe, uyekunyorovaKukuvadzwa, kutungamira kune zvakarebaPavement Service Hupenyuuye hupenyu hwakadzikira-kutendereramutengo.
• Zvakajairika Modifiers: Sbs(Elastomer),Eva(plastomer), uye yepamhanyisirwa polymers sengeElvaloy ™ ratsoka. Crumb barabhauyedzakadzorwazve purasitikizvinoshandiswawo.
• Kuwedzera Kwekuita: Polymersgadzira kusimbisa network mukati measphalt, ichivandudza kuomarara kwayokupisa kwakanyanyauye kuchinjika kukupisa kwakadzika.
• Sustainabilation: PMAinopa kusimba kubudikidza nemorePament Hupenyu, kuderedzwa kuchengetedza, uye kugona kwekubatanidzakugadzirwazvezvishandiso.
• Unhu hwakakosha:Kuongororwa kwakasimba (PgGrading, DSR, BBR), process kutonga, uye yakakodzeramodifier kupararirazvakakosha kuti uve nechokwadi chekusarongeka kuita.
• Sarudzo dzekusarudza:Sarudzo yePMAzvinoenderana nemamiriro ekunze,Traffic mutoro, zvido zvekuita, mutengo, uye zvinhu zvemuno. Kubatana nevatengesi vanozivikanwa vanopa kiyi.
• Runako Runyorwa:Tarisa pane zvepamberi polyman

Nokunzwisisa uye kushandisapolymer yakagadziridzwa asphalt.sousfulableZvivakwa zveramangwana.