Tino whakarerekē uku kōpaki me te heke thicknesses paninga.

Tino whakarerekē uku kōpaki me te heke thicknesses paninga.

Ko te whakamahi o te uku nui kōpaki polymer-whakarerekētia hoki paninga (TOFMS) taea whakaiti i te matotoru o te apa paninga i te pupuri rawa te mahi o paparanga atu kaha o te uku ki coatings tikanga ara i roto i te waka rawa taimaha ranei. Enei hua ka puta mai National Center mō te Uku Technology (NCAT) i muri i te whakamātau.

Ko te tuawha huringa o te rangahau (2009-2012 o), kawea atu ki runga ki te ara whakamātautau NCAT i Opelika, Alabama, United States, whakaatu reira e te wāhanga tapamaha whakamātau whakatakotoria uku i runga i te pūtake o HDI hohonu rut i runga i te toharite 1/3 iti iho i te i roto i te wāhanga mana ara (apa matotoru i te wāhanga mana ko 18% ki runga ake i roto i te whakamātautau). Ko te wāhanga ki te VMPS hāngai-uku, me te wāhanga mana i whakaratohia ki te paninga, hangaia i roto i te kotahi tukanga ahumahi Superave [1].

i whakaputaina nga hua whakamātautau i roto i te amuiraa i runga i te whānuitanga (28-29 February 2012) i te Hotel i Auburn University ko Dixon Conference Center, Auburn, Alabama.

tanú Rangahau Opportunities

hanga ara whakamātautau NCAT i roto i 2000. Ko tōna roa - 2.7 km, te āhua o te ara - he pororapa. whakatauiratia te whakamātautau whakatere i runga i nga wāhanga o 60 mita, e aru i te kākahu mo te ora mahi katoa te hoki 2 tau - whakaaro o te ara. pae Test tukua Engineers me ngā kairangahau ki te whanganga, record me te tātari i te tauhohe ki te taupoki ana pikaunga nui i roto i te tikanga ki te whakawhanake i coatings atu tōtika, me te whai hua.

E whakaratohia ana whakaaro mō te rangahau pērā i kaitautoko rite te Federal Road Whakahaere (FHWA), me nga tari kāwanatanga o te transportation kamupene tūmataiti ranunga whakamātautau mō uhi ara i runga i ia huringa. Construction, mahi me te rangahau i te pae e utua e nga tautooraa tahi o pokapū me kamupene tūmataiti, ia o nei mahi ona ake hōtaka rangahau.

Ko te ahanoa o huringa rangahau tata maitai hanganga me te paninga mata. Faaineineraa mo te ako ngā anō vosstanovlenie17 ranei wāhanga o te ara (o te katoa o 46). Ko tētahi o ratou ko te pae N7 i i whakatakotoria i te uku i runga i te pūtake o HDI, whakawhanakehia e te wāhanga kaitautoko o te Polymers Kraton mahinga kamupene te hangarau.

Ko te roanga o ia huringa ako - e toru nga tau. I roto i tenei wa, ka taea ki te hanga hanga ranei pae, ki te whakatau i te wā o e rua nga tau, te rere o te waka utanga, te tātari i te raraunga, me te faaineine i ngā pūrongo. I tēnei wā i te pae whakaritea mo te rima o nga raupapa o akoranga i roto i nei e kia wāwāhitanga wāhi kāore (Spring 2012) me te hanganga o te hou (te mutunga o te raumati 2012). whakaritea kaupapa Tīmata o te tanú te ki te mahi i roto i August 2012.

ahotea Extreme, whakamātautau nui

whakamana ana te whaihanga te raro i te hōtaka e whai ake nei: tapamaha tono ki te wāhanga 10 miriona huringa ōrite o 8.2 m tātai kawenga axial (ESAL) hoki 2 tau. Taraka whakahaere kaupapa i roto i te rua rerekē. Tenei-tuaka 8 taraka 70-ton ki ëtahi e mahi kaupapa tonu i nga ra katoa i 5.00 ki te 23,00. Ia o nga taraka e rima haere e pā ana ki 1100 km te ra.

I roto i te tikanga ki te whakahaere i whakamātautau i te pae i kitea he Apatoko rerekē: thermistors tāutatia i hohonu rerekē o te uku papa, ka hono ki te teihana huarere aunoa i te pae. āwhina ana tēnei raraunga ki te arotake i nga tikanga whakahaere o ia o nga pae. whanganga Tauhohenga ki taupoki ana i te pikaunga te ki gauges riaka me pūoko pēhanga tāuta i etahi rire. whatunga ahokore tāuta puta noa te ara, whakarato raraunga tiketike-tere ki te tūmau matua.

Katoa wiki NCAT arowhai mā te whakamahi i te Profiler inertial ki rua taiaho matawai whanganga mehua taputapu: roughness whanganga o ia ara wira, makrotekstura tika ara ara wira o ia wira i runga i ia wā whakamātautau. Na tangohia atu mehua: kore-kino rerekē kiato me ngā wāhanga kōtaha. Katoa whakamātautau wiki pānga taka taimaha deflectometer me, me te mahere i te mata hangai. Kia te marama, i te whakamātautau waku (te whakamahi i-rahi tonu te waku kairēhita) whakahaere. E tū ana te whakamātautau i runga i te tapatahi, me te uruhanga kotahi te hauwhā. Te kohi hoki whakatau hiri e hanga ano ia apa paninga ia hauwhā.

I roto i te tikanga ki te faaohie Mita te ine i waenga i te tawhā i roto i te taiwhanga, me i te mara, ngā kaimahi NCAT kōwhiria e te wahi nui o te ranunga i roto i te wheketere i roto i te hanganga o ia pae whakamātautau, me te muri whakamahia mo te hanga o te ranunga o ngā tauira mō te whakamātautau taiwhanga. Hei tauira, i raro i te ranunga mo te apa turanga e ki te kawenga rohirohi whakamātautau (rakau tauira) me antiphase kawenga. whakamatauria te ranunga mo te kahu o runga kei te ki te whakatau i te uara tawhiti hihiri, analyzer whakamātautau flowability uku papa me knurled wira-kōwae mō te tātai i te ātete ki te deformation tūturu. Ranunga mo te kahu o runga wheako hoki whakamātautau superposition mō deformation me te ōwehenga pūngao kurut ngokingoki. tenei katoa ka taea ki a tatou te whakatau i te pūmanawa o te ranunga ki hangai.

Ako o ngā tawhā hanganga

I roto i te huringa whakamātautau tuawha ngā NCAT wāhi rangahau matatau (kaitautoko tonu nga ngā tūhuratanga timata mua), te wāhi rangahau ki coatings o te pūhui hou, rangahau hanganga. i oti Ngā whakatikatika me whakanohonoho o 17 pae i August 2009, te kaikirimana i whakaritea e nga hua o te whakataetae. I roto i ēnei wāhanga e ono ratou kua hangaia mō te whakamātautau hanganga, tautoko e te Tari o Transport o te āhua e ono. I roto ia ratou Ko te wāhanga Kraton kamupene. E hanga coatings i runga i te hangarau wāhanga Superpave ranunga uku wera. Ko te matotoru o te papanga mō whakamātautau hanganga hora i 175 mm ki 140 mm (te wahi o te kamupene Kraton), i roto i ētahi o ngā wāhanga 225 mm o (o e neke atu i te 150 mm - te rauemi turanga o te kiato nui, me te tïpako mārō). Te uku katoa, whakamahia mō te hanga anō o te paninga roto 0.5% tāpiri protivozadirochnoy.

hanga te paninga i runga i te wahi o Kraton (N7) Kei te whakamahi i TOFMS, te matotoru o te paparanga - 140 mm. Ko te ruruku Kei 7.5% whakarerekētia styrenic styrene-butadiene (SBS) waerau. Ko te wahi mana kua he matotoru 175 mm o, kua hanga nga papa runga e rua ki 3% SBS-waerau.

whakahaere Federal i ara fakapapau'i te painga o te waerau whakarereke

Kopaki, waerau whakarerekē, pērā i copolymer ternary o SBS, e te kimi te whakanui ake i te whakamahi i roto i te hanga o te taimaha (mōhiohio whakahaere Federal i runga i huarahi). Ko te pūrongo hangarau o Mahuru 2010. [2] Whakahaere tuhipoka e ko atu rapa te ruruku whakarerekētia me he āhuatanga teitei pakeke (pokey) i pāmahana iti me te tiketike, e whakatau te nuinga nga ngā mō te piha haapiiraa uwhi uku kounga teitei Superpave [3] . E herea ēnei ngā ki ngā āhuatanga taiao me te ara o te ahanoa ngā. E te tikanga whakarōpūtia te waerau whakarerekētia hononga, me te e whakamahia i roto i aua wā, no te te taupū PG (kōeke i iti pāmahana + kōeke i tiketike pāmahana) nui atu i te 90 (hei tauira., PG 70-22).

I tua atu, whakaatu ana te pūrongo i te painga o te whakamahi i waerau o "Te uwhi parakore ahua utu mo ranunga uku, polymer whakarerekē uwhi i roto i ngā hanumi wera whakarato mārama āhuatanga hua - iti mate ai, heke rohirohi hangai, heke hangai i raro i te mana o te pāmahana, - i roto i te ngā i roto i te kawenga nui, me ngā āhuatanga huarere uaua. Tei runga i te āhuatanga utu me te mahi motuhake ki te wāhi ngā (i.e., tikanga matawhenua), te uara e hāngai ana i runga i ranunga o cementitious lifecycle polymer-whakarerekētia taea e tino raro atu i te utu o ngā ranunga ki te ruruku, nā. "

hoki te kupu i te pūrongo e te wheako o te mahi o taua coatings he pai, me e, mai taui te reira mo te pai, i runga i te whanaketanga o te hangarau.

Ia upootia i te whāititanga utaina waerau, me te whakapanga hīkoi uku angiangi

whakawhanakehia Kamupene Kraton Performance Polymers DGVC hangarau ki te whakapai ake i te kaha o te paninga me tona ātete ki mate ai, kōruarua me hangai i te whakaiti i te matotoru o te paninga.

Hoki nga tamataraa mara o tenei hua tukuna te kamupene kirimana NCAT ki te hanga apa paninga 140 mm matotoru i roto i te rohe mo te huringa ako N7 2009-2012.

Ko te ihirangi o te waerau SBS-whakarerekētia (7.5%) i whakamahia i roto i te hanganga o te ruruku ko 1.5-2 wa te nui mua o te waerau whakamahia mo nga whakarerekētanga kōpaki.

Ki te te nui o waerau i roto i te ruruku i runga i tenei taumata, te pokey o te piki kōpaki kia e riro te ranunga tino uaua ki te whakaputa i me he tino uaua ki te kia whakatakotoria i runga i te ahanoa. whakawhanakehia Kamupene Kraton SBS-waerau D0243, e taea te i konatunatua ki te kōpaki uku i roto i te nui o 7.5%, me te i runga, i waho te whakanui ake i te pokey o te ruruku.

Whanaketanga o te waerau hou ko te hokohoko atu o te mahi timata i roto i te 2004 e te kairangahau tahi me tohunga waka engineering taiwhanga i Delft University o Technology (Horana), te āhua wānanga hangarau nui me matamua. Ko te whāinga matua o te kairangahau hoatu te whai ake: ki te kitea i roto i ranei he reira taea ki te whakapiki ake i te ora mahi o te paparanga turanga papa te whakamahi i te SBS-whakarerekē me / ranei te whakaiti i te matotoru o te uku papa kohatu.

Methods o rangahau - whakamātautau o tauira uku o rohirohi, me te pakeke mā te piko wha ngā, uaua whakamātautau kurut aunoa me te kōpeketanga. aromātai i tatou momo rerekē o te waerau (SBS) me ona ngā nohanga. whakakitea whakamātautau rohirohi e huringa nui i roto i te āhuatanga o ngā ranunga uku atu o SBS-waerau hiahiatia. Nä, ka anga te ahanoa o te atamira whakamutunga o te whakamātautau ki te uwhi SBS ihirangi o 6%, me te 7.5%.

Uaua whakamātautau pūkaha o ngā ranunga uku faaite ake ranunga mahi, SBS whakarerekētia whakaritea ki te pūhui ōnaianei kia. whakakitea ano nga hua etahi rerekētanga i roto i te horapa o te whakangaromanga (putu deformation tina heke) paninga i runga i whakakē me ōnaianei kia kōpaki. Ahakoa he apa paninga te kikokore (150 mm) o te kino uku SBS-whakarerekētia tuhia i roto i te rōrahi, ko 4 wa iti iho i te kahu 250 mm o uku ōnaianei kia. Kāore i, atu kaha, whakakitea te paninga 4.5 wā deformation atu tina heke atu i paninga angiangi o te uku whakarerekētia.

Construction N7 wāhanga, whakaritea ki nga whakaaro mana

Ko te paninga i runga i te pae whakamātautau N7 wāhanga i hangaia i te 3 paparanga o te ranunga wera (Ripanga 1). paparanga iti turanga (55 mm), me te paparanga waenganui (55 mm) i fabricated i te ranunga o matūriki ki te diameter o 19 mm ofa'i. Ko te topsheet (30 mm) i hanga i te ranunga ofa'i (9.5 mm) o. e toru katoa paparanga o te ranunga i runga i te pūtake o te kōpaki whakarerekētia ki te ihirangi o 7,5% SBS. ranunga waihanga, raungaitinga, me ētahi atu tawhā e rite ki te wahi mana (e anake nga rerekētanga i roto i te rauemi kōpaki me te apa matotoru).

Pani mana S9 rohe kua he katoa matotoru 175 mm o me ngā o toru paparanga - te turanga 75 mm, he apa waenganui 70 mm o me te kahu o runga 30 mm (Ripanga 2) o o. E hanga papa o runga, me te waenganui i te ranunga whakamahi i tētahi ruruku whakarerekētia ki 3% SBS. I runga i te ranunga whakamātautau me te mana pae SUPERPAVE rite e te tikanga o [1] te whakamahi i te rauemi taua, ko te rohe rohe N7 18% te kikokore atu te wahi mana S9, te ruruku whakamahia - Hīma hei utu PG 76-22 (whakamahia i roto i te wahi mana) . hanga pae rua i runga i te koaka pakeke.

Hua: iti hohonu mehua

whakamātautau Transportation i te pae i oti i roto i Mahuru 2011, ka te kawenga ko te 10 miriona. Cycles ōrite ki te aki tatau i whakamana. i te uiui e ngā kaimahi NCAT ako tohunga me kohia nga raraunga. I te amuiraa i roto i te Hui-tanguru 2012, i te aroaro i roto i te tua ki ētahi atu raraunga mōhiohio e pā ana ki te matatu toharite i te wira ara awhiowhio (tātari Mātauranga):

- he wahi mana deformation matotoru S9 Uwhi 175 mm o ko 7.1 mm. I te wahi N7 i (Hīma) pani matotoru 144 hohonu mm rut 2.2 mm.

- Map Wāhi hangai i N7 whakakitea kahore whatinga o te paninga. kawea Analysis i na NCAT i runga i te raraunga tūturu kawenga me tātaitanga e hāngai ana i runga i nga inenga, me te te tauira rohe rohirohi manawanui i roto i te puka o te pae, whakakitea ana e ia e pai ake te kaha ngenge o te paninga i te pae N7 tino. I tua atu, ka taea e ngā āhuatanga paninga e pai atu i te wahi mana, tae atu ki te tūnga me te whakatö o kapiti rohirohi i te raro ake.

Tapia o te wāhanga pakaru ki te ranunga e hāngai ana i runga i Hīma

Te āhei ki te whakaiti i te matotoru o te taupoki uku, i te whakarite mahi nui - tetahi o nga painga Hīma kōpaki, a ka kitea taua mea ki runga ki te wahi tata o te pae whakamātautau.

Ko te wahi ko te N8, tautoko nei i te Tari o Transportation o Oklahoma, i pakaru i roto i te huringa rangahau 2009-2012. kihai i reira te whara tuatahi, tuhia i te pae.

I te mutunga o te huringa o rangahau o 2006-2009. i tuhia i te rohe whānui papatanga rohirohi. I te pae hanga N8 whakatakotoria kaikirimana paninga matotoru 250 mm o ki 1.2 m o pungawerewere kounga rawakore, i taa ê i te mata mārō ki te wāhanga mana.

I runga i te hanga Tari o Transportation Oklahoma ui whakamahia NCAT rite te momo rau motuhake oneone, āhuatanga oneone rite i roto i Oklahoma, mohiotia hoki tona kaha te whanau iti. I whakangaromia e te paninga me kua te wahi pakaru kua hanga ana: i hatepea atu 125 mm te kahu o runga, i roto i te wahi o te mea i whakanohoia he ranunga o te hanganga taua. hinga ano paparanga hangarua, tenei wa i roto i nga marama noa 8 o huringa rangahau 2009-2012. I roto i tenei wāhanga whakamātautau Kua tāutuhia 6 me 4 puku tautoko pae tanú hangai.

I muri anō-whati pae whakahaere NCAT kōrero mōna te pai te whakahaere o te tata rohe o mahi N7 me i tonoa whakamahi mo te hanga pae N8 ranunga Makatu'unga Hīma ruruku, e i whakawa hoki ona whanonga i runga i te papaka te pae.

whakaae Māngai o te Tari o Transport o Oklahoma ki te tono i te ranunga ki te pae N7, engari mo te apa turanga, he ranunga o matūriki ki te diameter 9.5 mm o (hanganga rite ki te hanganga o te ranunga mo te kahu o runga, engari ki te matotoru 55 mm o). I roto i tapahia te hangaia anō 145 mm o i pakaru coatings, āhua 105 mm i mahue apa turanga pakaru. Na ka whakatakotoria 145 mm i runga i te kaupapa o te ranunga hou Hīma.

I muri i te mata, ko te peia taraka hou ano i roto i te wāhanga e hanga ana o te N8 wāhanga, ka timata ano pūrere NCAT tuhi raraunga i runga i te wahi whakamātautau.

I roto i te Mahuru 2011, i te mea kua whakaritea te kawenga waka i runga i te 4 huringa hohonu deformation wāhanga N8 i 2.7 mm. I roto i te whakarite tika e taea te kite i taua i muri i te hanga tuatahi o te ara nui, ka hanga e kapiti i muri i 4 miriona. Cycles ōrite kawenga axial, i whakahou i roto i te whakamahi i kōpaki Hīma No kapiti, ara iti i muri i 5.7 miriona. Cycles ōrite kawenga axial . Ka haere tonu te Tari o Transport ki Oklahoma tautoko tenei pae i roto i te huringa i roto i te 2012-2014. te aroturuki i te āhuatanga whakahaere o te paninga.

mutunga

Kei te whakaaturia te reira e te whakamahi o tiketike taimaha whakarerekētia polymer kōpaki rāpoi i roto i te ranunga uku te whakaiti i te matotoru o te paninga noa i te pikaunga tino. Tenei i pai ai ngā āhuatanga rānei rite pai atu i te hunga o Ranu kāore i rite i roto i te rauemi rite, me te rahi matūriki rite ranei.

paninga whakamātau o ngä wera ki polymer Hīma mō te 2 tau i raro ki te pikaunga waka taimaha i roto i runga i te tikanga o te whakamātautau, i roto i nei te wa i kitea ai iti iho i te 1/3 o te taumata o te deformation, whakaritea i runga i te apa atu kaha uhi i te wahi mana.

Hīma te waerau i hoki whakamahia i roto i te hanga o iti apa matotoru ki te hanga ai te pakaru wahi o te kaiurungi. Na tera ano hoki he mehua hohonu iti tohua atu te wahi mana.

e kore te pai pou-whakamātautau me te meka e i roto i ngā wāhi hanga mā te whakamahi i Hīma polymer, ki te wa nei whakaritea kapiti, homai ana e ia ti'aturi nei tatou e, e nui te hangarau hou te tuku iho, tae atu, i roto i te āhuatanga o te rohirohi crack whakatö i te raro ake.

Tuhinga: tino whakarerekētia uku kōpaki me te heke thicknesses paninga.

Apkalimov Denis, LLC "EPC" rotor "