Haholo fetotsoeng sekontiri binder le fokotseha barbotage thicknesses.

Haholo fetotsoeng sekontiri binder le fokotseha barbotage thicknesses.

Tshebediso ya phahameng polymer-fetotsoeng sekontiri binder bakeng barbotage (TOFMS) ka fokotsa botenya ba lera la barbotage ha ho boloka kapa feteng tshebetso ya le dikarolo matla le ho feta ya sekontiri le coatings tloaelehileng esita le ka sephethephethe haholo. liphetho tsena tlile Center National bakeng asphalt motsoako o Technology (NCAT) ka mora diteko.

Potoloho ea bone ea ho etsa lipatlisiso (2009-2012), o atlehe ka NCAT teko pineng Opelika, Alabama, United States, se bontša hore ho etsa liteko khutlontsi dikarolo beha sekontiri motheong oa HDI botebo latela tloaelo ka karolelano 1/3 ka tlase ho ka karolo taolo tsela (lera le tsona ka botenya ka karolo taolo e 18% a phahame ho feta ka liteko). Karolo e le VMPS sekontiri e thehiloeng le karolo taolo li ne li fana le barbotage ea, etsoa mong thulaganyou e difeme Superave [1].

diphetho teko ba ne ba e hatisitsoeng ka sebokeng ka mefuta e fapaneng (28-29 February 2012) ka Hotel Univesithing Auburn le Dixon Center Conference, Auburn, Alabama.

Menyetla ho etsa lipatlisiso book

NCAT teko ya hau ya pina e ile ea hahoa ka 2000. bolelele ba eona - 2,7 km SE, sebopeho sa tseleng - e ellipse. Sepheo sa tsela - teko potlakisa ka likarolo tsa limithara tse 60, e leng ho Track ho apara liaparo tsa ka bophelo tšebeletso kaofela e bopile ka lilemo tse 2. libaka teko lumella baenjiniere le bafuputsi ho lekanya, tlaleho le sekaseka liphetoho ho koahela mejaro kgolo e le hore a be le o atlehang haholoanyane le e atlehang coatings.

Plots ba ho fanweng lithuto batsehetsi tse kang Federal Road Administration (FHWA), le mafapha a sechaba sa lipalangoang lik'hamphani poraefete teko metsoako bakeng sa Roala tsela ka 'ngoe potoloho. Kaho, tshebetsong le ho etsa lipatlisiso ka site ba tšehetsoa ke boiteko bo kopanetsoeng ba mekhatlo 'me lik'hamphani tse poraefete, e mong le e ba tse etsang ho etsa lipatlisiso tsa lona lenaneo mong.

The ntho e ho etsa lipatlisiso tsa morao tjena potoloho mehaho tšepe le barbotage holim'a metsi. Ho lokisetsa bakeng sa ho ithuta ho akarelletsa ho tsosolosa kapa vosstanovlenie17 dikarolo tsa tsela (ya e leng kakaretso ea 46). E mong oa bona e ne e le sebakeng sena N7 leo sekontiri e ne e beha ka lebaka la HDI, theknoloji ntshetswa pele ke mothekgi karolong ea khamphani Polymers keraton Performance.

The nako e mong le e potoloho ithuta - lilemo tse tharo. Nakong ena, ho bonolo ho haha kapa tsosolosa libaka, ho etsisa e le nako ea lilemo tse peli, ho phalla ea thepa lipalangoang, sekaseka boitsebiso le ho lokisa litlaleho. Hona joale sebakeng seo rerile bakeng sa letoto la lihlooho tse bohlano sa lithuto tsa ka tse tla qhaqha libakeng tse sa sebelisoeng (Selemo 2012) le ho hahoa ha ncha (morao lehlabuleng 2012). mokhatlo oa Qala book e lokiselitsoe ho phetha ka August 2012.

Feteletseng khatello ea kelello, liteko tse matla

ketsiso The o etsoa tlas'a lenaneo latelang: khutlontsi sebelisoa ho dikarolo lipotolohong limilione tse 10 tse lekanang le tsa 8,2 limithara balwa axial mojaro (ESAL) ka lilemo tse 2. Literaka sebetsa mokhatlo oa ka lihlopha tse peli. Sena 8-selekane 70 ton literaka le lik'haravene tse phetha mokhatlo oa tsoelang pele letsatsi le letsatsi ho tswa 5,00 ho 23,00. E mong le e ba literaka tse hlano ho fetisetsa ka sa 1100 km le letsatsi.

E le hore ho bebofatsa liteko sebakeng seo o ile a fumana Sets fapaneng: thermistors hlomamisa ka bolibeng e fapaneng ya sekontiri se katiloeng 'me e amana le seteishene jarolla ka ho iketsa boemo ba leholimo sebakeng seo. ya data sena se ba thusa ho hlahloba maemo a ho sebetsa ea e mong le e ba libaka le. Itsoara joang ho koahela mojaro e lekanngoa ka mechine e lekanyang mathata le e hlahlobang khatello ea hlomamisa ka bolibeng itseng. Leqhubu la waelese le hlomamisa ho pholletsa le lebaleng la ho matha, e fana ka ya data tse phahameng-lebelo ho seva e khōlō.

Beke le beke NCAT licheke sebelisa e profiler inertial le o kopanetsoe anthivaerase tham mong bang laser lekanyang seletsa lekanyetsa bokhoni: lekanya roughness mong tseleng lebili, makrotekstura nepahetseng lebili tseleng tlaleho ea lebili ka leng karohano teko. Le nkiloeng mehato e meng: bao e seng a ho timetsa segokanyipalo farologanang le dikarolo profil. Mong le e mong teko beke tshusumetso oela boima deflectometer le, hammoho le tsa dimmapa holim ho petsoha. Hang ka khoeli, liteko le khohlano khanna (sebelisa e tletseng boholo khohlano mongodisi). The liteko ka botšepehi le e lumellang metsi ho kena li tšoaroa hang kotara. Mohlala ho beha tiiso e mong le lera barbotage e ile a boela a mong le e kotara.

E le hore ba nolofatsa metering le Correlation pakeng tsa entsprechen le ka laboratoring le tšimong, basebetsi NCAT khetha karolo e khōlō ea motsoako fekthering e 'ngoe ea kaho ea e mong le e site ena teko le ile sebediswa bakeng sa tlhahisong ea motsoako oa disampole ho etsa liteko laboratoring. Ka mohlala, motsoako bakeng sa lera botlaaseng e tlas'a ka mokhathala teko mojaro (diithupa disampole) le antiphase mojaro. Motsoako bakeng sa lera ka holimo e lekoa ho fumana hore na modulus matla, flowability teko semanolli sekontiri se katiloeng 'me knurled lebili-unit trust bakeng bala le ho hanyetsa deformation ho sa feleng. Motsoako bakeng sa lera ka holimo tobana le teko superposition bakeng hahabang deformation le tensile eneji, le karo-karolelano. All ena re lumella hore re ho bona hore na ba motsoako ho ho petsoha.

Ho ithuta entsprechen mehaho

Ka bone teko potoloho e kenyeletsa NCAT e pharaletseng merero e mebe ho etsa lipatlisiso (batsehetsi ba tsoela pele ho etsa lipatlisiso qala pejana ho moo), libakeng tse ho etsa lipatlisiso le coatings ea e nyalana e ncha, lithuto tsa mehaho. Tsosolosa le tsosoloso ea libaka 17 li ne li phethoa ka Phato 2009, konteraka ea khethiloeng ke liphello tsa Tlholisanong ena. Har'a libaka tsena tse tšeletseng tse ba 'nile ba etselitsoe teko mehaho, tšehelitsoe ke Lefapha la Transport tsa re a tšeletseng. Har'a bona ke k'hamphani ea keraton karolo. Coatings entsoe ka likarolo tse thekenoloji Superpave chesang sekontiri metsoako. Lera le tsona ka botenya ho teko mehaho ho fapane ho tloha 175 limilimithara ho 140 limilimithara (keraton Company karolo) karolong ea 225 limilimithara (ya eo fetang 150 limilimithara - tsa lintho tse bonahalang le setsi le phahameng segokanyipalo thata substrate). The sekontiri kaofela, sebediswa bakeng sa ho tsosolosa ya barbotage e leng 0.5% protivozadirochnoy tseloe.

The barbotage ka karolong ea keraton (N7) e entsoeng ho sebelisoa TOFMS, ea bokima jwa lera - 140 limilimithara. The binder kenyelletsa ditokiseletso 7,5% fetotsoeng styrene-butadiene styrenic (SBS) polymer. Taolo le kabelo e na le tsona ka botenya ba 175 limilimithara, e le dikarolo holimo tse peli tse entsoeng ka 3% SBS-polymer.

tsamaiso Federal ke tsela e tiisa melemo ea phetolo polymer

Binders, polymers fetotsoeng, tse kang ternary copolymer tsa SBS, ba fumana ho eketseha sebelisoa ka tlhahisong ea boima (Federal tsamaiso tlhahisoleseding e mabapi le motorways). Tlaleho botekgeniki ea September 2010. [2] Tsamaiso e bolela hore binder fetotsoeng ke feta rekere le na le litšobotsi tse e phahameng satalla (e tiileng e qamathelang) ka thempereichara e tlaase le tse phahameng, e leng haholo-holo ea kopana le tobileng bakeng sa boleng bo phahameng sekontiri binders sehlopha sa Superpave [3] . tobileng tsena li tlamelloa maemo tikoloho le tseleng ea ntho e itseng e khethehileng. The polymer fetotsoeng binders ke ka kakaretso classified le sebelisoa maemong tseo ha index PG (sehlopheng ka mocheso tlaase + sehlopheng ka mocheso phahameng) moholo ho feta 90 (mohlala,., PG 70-22).

Ho feta moo, tlaleho e bontša melemo ea ho sebelisa polymers tsa "Ho ba a batla a turang binders bo hloekileng bakeng sa sekontiri metsoako, polymer fetotsoeng binders ka mixes chesang fana litšobotsi tse hlakile keketseho e - rutting fokolang haholo, fokotswa mokhathala ho petsoha, fokotswa ho petsoha ka tlas'a tšusumetso ea mocheso, - ka ho khetheha ka mejaro phahameng le thata maemo a klimate. Ho itšetlehile ka theko le tshebetso le litšobotsi tse itseng ho sebakeng khetheha (i.e., maemo a libaka), boleng e thehiloeng metsoako ea polymer-fetotsoeng cementitious lifecycle ka ba haholo ka tlaase ho feta litšenyehelo tsa metsoako le binder unmodified. "

Tlaleho eo e boetse e re ka phihlelo ea tšebetso ea coatings joalo e ntle, le hore, kaha e fetola bakeng sa ho molemo, ho latela ntshetsopele ya thekenoloji.

Ho hlōla mefokolo ea behilweng polymers le rala tšesaane sekontiri pavements

Company keraton Performance Polymers DGVC ntshetswa pele theknoloji ea ho ntlafatsa matla a barbotage le ho hanyetsa lona ho rutting, likoti le ho petsoha ha fokotsa botenya ba barbotage e.

Bakeng sa liteko ea tšimo tsa sehlahisoa sena khamphani e ntshitsweng NCAT konteraka ea ho haha barbotage lera 140 limilimithara teteaneng sebakeng bakeng sa ho ithuta potoloho N7 2009-2012.

The dikahare tsa polymer SBS-fetotsoeng (7,5%) le sebelisitsoe ka ho hlophisoa ha binder ke makhetlo a 1.5-2 e tloaelehileng palo ya polymer sebediswa bakeng sa diphetolo binder.

Haeba palo ya polymer ka binder holimo ho bophahamo ba ena, e tiileng e qamathelang eketseha le binder le hore motsoako fetoha thata haholo ho hlahisa le ho li le thata haholo ho ho beha ka Sepheo sa. Company ntshetswa keraton SBS-polymer D0243, e leng e ka tsoakane le sekontiri binder ka palo ya 7,5% le ka holimo, ntle ho eketsa e tiileng e qamathelang tsa binder le.

Ntshetsopeleng ya e polymer e ncha ke ntšetsa pele mosebetsi oa bo qalile ka 2004 ke bafuputsi ba 'moho le litsebi sephethephethe laboratori le boenjiniere ka Delft University of Technology (Netherlands), ea kholo ka ho fetisisa le e moholo boemo botekgeniki univesithi. Sepheo se ka sehloohong sa bafuputsi beha tse latelang: ho tseba hore na ho ka khoneha ho eketsa bophelo ba tšebeletso ea dikarolo ea katiloeng botlaaseng sebedisa SBS-fetola le ho / kapa ho fokotsa botenya ba sekontiri se katiloeng.

Mekhoa ea ho ho etsa lipatlisiso - liteko tsa disampole sekontiri la mokhathala le ho satalla ka kobang lintlha tse 'nè, tse rarahaneng phetha molao tensile teko le compression. Re lekola mefuta e fapaneng ya polymer (SBS) le concentrations lona tse sa tšoaneng. liteko mokhathala o ile a bontša hore liphetoho tse mohlomong ka thepa ea sekontiri metsoako e mengata ya SBS-polymer hlokahala. Ka lebaka leo, ntho ea sethaleng ho qetela ea teko qala ka binders SBS dikahare tsa 6% le 7,5%.

Rarahaneng phetha molao liteko tsa sekontiri metsoako o ile a bontša ntlafala tshebetso metsoako, SBS fetotsoe bapisoa le metsoako unmodified. Liphetho li a boela a bontša ba bang ba se tšoane ka boikatiso ea timetso (bokeletseng deformations etsolloa) bakeng sa coatings e thehiloeng fetotsoeng le unmodified binder. Esita le thinner barbotage lera (150 limilimithara) ya SBS-fetotsoeng sekontiri tshenyo e tlalehiloeng ka bophahamo ba modumo ke 4 makhetlo a ka tlaase ho e 250 limilimithara lera la sekontiri unmodified. Unmodified, matla le ho feta, ho barbotage o ile a bontša ka makhetlo a 4,5 ho feta etsolloa deformation feta barbotage tšesaane tsa sekontiri fetotsoeng.

Kaho N7 karolo, e bapisoa le merero e mebe taolo

The barbotage ka karolo N7 teko saeteng ile ha hahoa ho tloha le dikarolo 3 of motsoako chesang (Lethathamo 1). Ipolela hore lera botlaaseng (55 limilimithara) le lera bohareng (55 limilimithara) ba iqapetse tloha motsoako oa likaroloana le bophara ba 19 limilimithara morema. The topsheet (30 limilimithara) e entsoeng ka motsoako oa morema (9.5 go limilimithara). All dikarolo tse tharo tsa motsoako motheong oa fetotsoeng binder le dikahare ea 7,5% SBS. Paakanyong motsoako, compaction, le ditekanyetso tse ling tse tšoanang le taolo kabelo (ba se tšoane feela tse ka binder lintho tse bonahalang le lera le tsona ka botenya).

Bitiela sebakeng S9 taolo na le botenya kakaretso ea 175 limilimithara le bopilwe dikarolo tse tharo - botlaaseng ba 75 limilimithara, e bohareng lera la 70 limilimithara le mokato tlhōrōng ea 30 limilimithara (Lethathamo 2). le dikarolo e ka holimo 'me a bohareng ba entseng ho tloha motsoako sebelisa binder fetotsoeng le 3% SBS. Ka teko le taolo libaka motsoako SUPERPAVE lokisitsoeng ke mokhoa oa ho [1] ho sebedisa boitsebiso bo tšoanang, empa sebaka sa fana ka kgaso N7 18% thinner ho feta taolo plot S9, le binder sebediswa - Hima ho fapana PG 76-22 (sebediswa ka morero taolo) . libaka bobeli ho ile ha hahoa ka seile le thata.

Sephetho: tlase botebo lekanyetsa bokhoni

Lipalangoang liteko sebakeng seo o ile oa phethoa ka September 2011, ha mojaro ke limilione tse 10. Lipotolohong lekanang le a ho qheletseng balwa ile a etsa. badirimmogong ba NCAT ne a hlahloba lithuto tsa setsebi le ya data bokella. Ha sebokeng ka February 2012, ho phaella ho ya data tse ling li ne li fanoa lesedi mabapi le mathata, ka karolelano ka tsela phikolosetsa lebili (hlahlobe Education):

- ka taolo karolo Deformation S9 lera le tsona ka botenya ba 175 limilimithara ne 7.1 a limilimithara. Ka karolo e itseng N7 (Hima) tlotsitsoeng botenya 144 limilimithara latela tloaelo botebo ne 2.2 limilimithara.

- Map Location ho petsoha ka N7 senoloa ha fracture ba barbotage e. Analysis di kentswe NCAT thehiloeng ya data sebele mojaro le dipalelo thehiloeng ho litekanyo ka, hammoho le ka mamello moedi mokhathala exemplar ka sekotwaneng sa, e bontšitse hore mokhathala matla ke N7 barbotage karolo bo ntlafetse haholo. Ho feta moo, litšobotsi tse barbotage e ka ba molemo ho feta ho ho laola plot, ho akarelletsa le boemong ba le boikatiso ea mapetsong mokhathala ho tswa ho tlase ho fihlela.

Repair tsa karolo senyehile le motsoako e thehiloeng Hima

Bokhoni ba ho fokotsa botenya ba e sekontiri sekoahelo, ha a ntse a etsa bonnete ba tshebetso e phahameng - e mong oa le menyetla e Hima binder, 'me ho ile ha fumanoa ka karolo e haufi ea site ya teko.

plot ke N8, e tšehelitsoe ke Lefapha la Lipalangoang la Oklahoma, e ile ea senyeha nakong eo ho etsa lipatlisiso potoloho 2009-2012. E ne e se mo ntša kotsi pele, e tlalehiloeng ho sebakeng seo.

Qetellong ea ea potoloho ea lithuto tsa 2006-2009. sebaka seo re hlokometse a pharaletseng a ho ba le mokhathala petsoha. Ha kaho N8 rakonteraka beha barbotage botenya ba 250 limilimithara ho 1.2 limithara ea webs thusang mafutsana boleng, e leng fapane le lehare thata ho karolo ya taolo.

Ka kaho Lefapha la Lipalangoang la Oklahoma o ile a botsa NCAT sebelisoa e le mofuta lekhasi itseng mobu, litšobotsi tse mobu tšoanang in Oklahoma, e tsejoang bakeng sa le matla a tlaase behang. The barbotage e ile ea timetsoa 'me karolo e senyehile e se e lokisa: 125 limilimithara ba ne ba felisoa lera ka holimo, ka sebaka sa e neng e beha motsoako oa ea ho hlophisoa e tšoanang. Recycled lera hape oa, nako ena ka likhoeli tse 8 feela ea ho etsa lipatlisiso potoloho 2009-2012. Karolong ena liteko 6 le 4 boinotšing tšehelitsoe ho petsoha libaka book di khetholloa.

Mora boela fracture saeteng tsamaiso NCAT boletsoe tshebetso tse molemo tsa 'sebakeng boahelani tsa tshebetso N7 le tšebeliso e sisintsweng ho lokisa saeteng N8 motsoako thehiloeng Hima binder, e neng e tla hlahloba boitšoaro ba lona ka site ya le senyehileng.

Baemeli ba Lefapha la Lipalangoang Oklahoma o ile a lumela ho etsa motsoako ho site N7, Leha ho le joalo, bakeng sa lera botlaaseng, motsoako oa likarolo tse ka bophara ba 9.5 go limilimithara (sebopeho tšoanang le ea ho hlophisoa ha motsoako bakeng sa lera ka holimo, empa le e 55 limilimithara teteaneng). Ka ho tsosolosa ea 145 limilimithara ile khaola coatings senyehile, hoo e ka bang 105 limilimithara lera senyehile botlaaseng o ile a sala. Ebe 145 limilimithara ile a rala motheong oa motsoako o motjha Hima.

Mora holim ke literaka tse ncha hape tsamaea ka koloi karolong lokisa tsa karolo N8, le lisebelisoa NCAT ba boela ba qala ho rekota ya data ka morero oa liteko.

Ka September 2011, ha sephethephethe mojaro fetang lipotolohong 4 ile tsitsitseng botebo N8 karolo deformation ka 2,7 limilimithara. Ka papiso e tobileng ka bonoa hore ka mor'a pina ea pele le ho lokisa mapetsong bohlokoa thehoa ka mor'a 4 Mill. Lipotolohong lekanang axial mojaro, ha mora kopo ya ho lokisa Hima binder mora No mapetsong, fokolang haholo lekanyetsa bokhoni ba 5,7 Mill. Lekanang axial lipotolohong mojaro . Lefapha la Transport tla tsoela pele ho Oklahoma sponsoring sebaka sena nakong ea potoloho ka 2012-2014. tlhokomelo litšobotsi tshebetso ya barbotage e.

bofello

E bontša hore ho sebelisa phahameng limolek'hule boima fetotsoeng polymer binder ka motsoako sekontiri fokotsa botenya ba barbotage esita le tlas'a meroalo e feteletseng. thato ena feela litšobotsi tse ka e tšoanang kapa molemo le ho feta ba e nyalana unmodified lokisetsa boitsebiso bo tšoanang le bo tšoanang phatsa boholo.

Liteko barbotage ea motsoako chesang le Hima polymer nakong ea lilemo tse 2 tlas'a meroalo e boima sephethephethe ho latela maemo a teko, 'me nakong ena o ne a hlokomela ka tlase ho 1/3 tsa boemo ba mathata ka matla le ho feta lera tsitsitseng barbotage ka karolo taolo.

Hima The polymer ile a boela a sebelisa ka kaho ea fokoletse theko lera le tsona ka botenya ho lokisa karolo e senyehile ea motsamaisi e. Ho na le e ne e boetse e le tšoauoa lekanyetsa bokhoni monyenyane botebo ho feta plot taolo.

Babatsehang poso-teko le 'nete ea hore libakeng tse hahiloeng sebelisa Hima polymer, ho nako ea hona joale e sa tsitsitseng mapetsong, ho re fa tšepo ea hore theknoloji e ncha e tla feta le ea setso, ho akarelletsa le, ka tšobotsi ea ho ba le mokhathala khoa boikatiso ho tswa ho tlase ho fihlela.

Sehlooho se reng: haholo fetotsoeng sekontiri binder le fokotseha barbotage thicknesses.

Apkalimov Denis, LLC "EPC" male rotor "