Kev nkag siab hloov pauv Backumen: polymer txhim kho rau cov vuas vov thiab kev ua tau zoo

Hloov pauv Bitumen sawv cev rau txoj kev nce qib tseem ceeb hauv asphalt thev naus laus zis, muab cov khoom siv txhim kho piv rau Bitumen tso ib txwm. Nws tau siv dav hauv ob qho tib silub vov tsevthiabtxoj kev yus taug kev saumCov ntawv thov, muab kev hloov siab duayam ruaj khov, yooj yim, thiabdejmuaj peev xwm. Tsab ntawv no rho mus rau hauv lub ntiaj teb ntawmHloov Bitter, tshawb txog nws yog dab tsi, yuav ua li cas nws txawv ntawm cov pakev dub, lub luag haujlwm ntawmpolymerhloov kho, nws cov ntawv thov tseem ceeb, thiab cov txiaj ntsig zoo nws coj, tshwj xeeb rau cov haujlwm xav tau hauvTxoj Kev SivthiabKev lag luam vov tsevCov. Nkag siab lubqhov sib txawv ntawm bitumen thiab hloov khoBitumen yog qhov tseem ceeb rau kev txiav txim siab txog kev txiav txim siab txog cov ntaub ntawv, ua kom muaj kev ua tau zoo thiab raug nqi zoo. Txawm hais tias koj koom nrog cov teeb meem loj-teev lossis tiv thaiv cov khoom muaj nqis nrogHloov Pasting Basting, Cov lus qhia no muab kev pom zoo los ntawm cov khw muag khoom lub tswv yim.

Dab tsi raws nraim yog bitumen thiab nws yuav siv li cas ib txwm?

Bitumen, feem ntauraug xa mus rau cov asphaltHauv qee thaj tsam zoo li North America, nplaum, muaj cov tshuaj pleev xim dub, yog cov khoom uas yog ib txwm muaj tshwm sim los ntawm cov roj av distillation.Bitumen yog ib qho sib xyaw ua kentawm hydrocarbons. Kev lig kev cai,bitumen yog feem ntausiv raws li binder nyob rau hauvAsphalt pavithiab raws li akev ua dej nagtus neeg sawv cev hauvlub vov tsevCov ntawv thov. Nws tau txaisCov Khoom nplaum thiab Waterproofing KhoomUa kom haum rau kev khi ua ke ua ke los ua cov chaw ruaj khov ntawm txoj kev tsheb thiab rau kev tsim cov dej ntws tawm ntawm lub ru tsev.

Lub Koom Haum Me Nyuam Yausbitumen sivHauv cov ntawv thov no tau raug nqi ua haujlwm zoo thiab muaj txaus.Bitumen yog sivdav nyob rau hauvKev Siv Kev Siv Thiab Kev Txij Nkawmthoob plaws ntiaj teb. Txoj kevleem nrog bitumenmuab ib tug muaj kev sib luag thiab rov qab. Hauv tsev vov tsev,bitumen yog heevmuaj nuj nqis rau nws lub peev xwm los tsim seamless,dejCov khaubncaws sab nraud povtseg, feem ntau thov nyob rau hauv ntau plies lossis ua ib feem ntawm kev ua vov vov vov (caij). Txawm li cas los xij, tus qauvbitumen yuavmuaj kev txwv, tshwj xeeb txog nws qhov kev ua tau zoo nyob rau hauv huab huab thiab hnyav thauj khoom. Nwstuaj yeem dhau losnkig hauv huab cua txias thiabmuagntau dhau hauvKev Kub Siab, ua rau kev tawg, rutting, lossis deformation dhau sijhawm.

Nkag siab ntawm theem pibCov khoom ntawm bitumenyog tus yuam sij. Nws cov kev ua tau zoo yog tus cwj pwm los ntawm qhov zoo li cov qib kev nkag siab (qhia txog lubhardness lossis muag muag ntawm bitumen), softening taw tes, thiab ductility. Thaum siv tau ntau daim ntawv thov qauv, qhov xav tau kev ua tau zoo dua, ntev duaKev Pabcuam Lub Neej, thiab ntau dua kev tiv taus ib puag ncig kev ntxhov siab pua txoj kev rau kev hloov kho. Qhov kev txwv kev txwv ntawm qhov tsis muaj qhov tsis pom zoobitumen losrau lub teeb nyob rau hauv cov xwm txheej xav tau, ua kom muaj kev txhim kho cov qauv txhim kho zoo lipolymer hloov me ntsisCov. Coj kev cai qubbitumen muablub hauv paus ruaj khov, tab sisHloov BitterUa raws li nws tseem ceeb.

Yog li, dab tsi ua rau hloov kho me ntsis?

Lub tub ntxhaisqhov sib txawv ntawm bitumen thiab hloov khobitumen lus dag nyob rau hauv qhov kev sib ntxiv ntawm tshwj xeebhloov kho cov qauv, feem ntau cov polymers, rau lub hauv pauskev dubCov. Tus txheej txheem no, hu uaBitumen Hloov Kho, muaj cov tswv yim thiab tshuaj lom neeg ntawm cov khoom qub. Thaum pebHloov Bitter, peb yeej zoo engineering nws kom kov yeej txoj kev ua tsis tau ntawm cov pakev dub, tsim cov phau ntawv siab dua rau cov ntawv thov xav tau xws liHloov Pasting Bastingthiab cov tsheb khiavtxoj kev yus taug kev saum.

Ntxiv apolymerlossis lwm yamhloov khoTxhim kho ob peb tus yam ntxwv tseem ceeb.Hloov Bitterfeem ntau ua rau muaj kev txhim kho elasticity, ntau dua kev tiv taus rau kev tawm tsam (rutting) ntawmKev Kub Siab, txhim kho kom tau yooj yim thiab txo kev nrib pleb ntawmtsawg kub, muaj kev zam zog ntau ntxiv, thiab zoo duakua nplaumnruab nrab ntawm phau ntawv binder thiab aggregates. Tuspolymernetwork tsim nyob rau hauvkev dubMatrix pab cov ntaub ntawv ncab thiab rov zoo, ua rau nws tsis tshua muaj kev puas tsuaj los ntawm cov tsheb thauj khoom lossis cua sov cycling ntawm aru tsev.

Xav txog nws zoo li ntxiv cov khoom xyaw tshwj xeeb rau ib daim ntawv qhia los txhim kho cov zaub mov kawg. PebHloov Bittertxhawm rau txhim kho nws lub hnab ntawv ua tau. Qhov no txhais tau tiaspolymer hloov me ntsistautiv tauQhov dav dav ntawm qhov kub thiab chaw thau khoom thiab cov xwm txheej piv rau nws cov kab ke tsis sib xws. Qhov kev txhim kho noyam ruaj khovtxhais lus ncaj qha mus rau txoj kev ntev dua thiab lub ru tsev, thaum kawg txoTu thiab Khotus nqi dhau ntawmKev Pabcuam Lub Neejntawm cov qauv. Lub hom phiaj yog ib txwmHloov BitterNyob rau hauv ib txoj kev uas ua kom zoo rau nws rau nws cov kev npaj siv, txawm tias qhov ntawd yog ib qho kev loj lossis lub tiaj ua lag luamru tsevCov. TusSiv hloov pauvBitumen tau dhau los ua ntau yam vim yog cov kev ua tau zoo heev txhim kho.

Vim li cas cov kev hloov kho polymer polymer yog qhov tseem ceeb rau cov ntawv thov backumen niaj hnub no?

Kev Hloov Kho Polymertsis yog hais txog kev uabitumenzoo me ntsis; Nws yog feem ntau qhov tseem ceeb rau kev ua raws li qhov xav tau ntawm cov qauv niaj hnub thiab cov qauv hauv tsev. Raws li cov tsheb khiav tsheb ntau ntxiv, cov qag lo tau hnyav dua, thiab cov xwm txheej huab cua ua rau huab cua ntau dua, cov pakev dubKev nyuaj siab kom tiv thaiv. Qhov xav tauHloov Bitterstems los ntawm qhov yuav tsum tau ua rau cov ntaub ntawv uas muab kev ua tau zoo thiabyam ruaj khov. Polymer hloov me ntsis (PMB)ncaj qha hais txog cov kev cov nyom no.

Cov lus qhia ntawm cov polymers tseem txhim kho cov khoom ntawm Viscoelastic ntawmbitumenCov. Qhov no txhais tau tias yogkev dubMuaj peev xwm coj ntau zoo li ib qho kev pab kub siab tshiab, tiv taus ntws thiab rutting txaus hloov kho kom tiv thaiv hluav taws xob thermal. Qhov kev txhim kho noKuj mus rau deformationyog qhov tseem ceeb rau kev ntev ntevtxoj kev yus taug kev saumnto. Ib yam li ntawd, rauHloov Pasting Basting, tus txhim kho elasticity thiab tawv muab los ntawmKev Hloov Kho PolymerCia covKhoom siv vov tsevkom zoo dua haum ua lub tsev txav thiabtiv tauKev ntsuas huab cua phem, suav nrogHnhaim Dej nagthiab UV kis, ua kom zoo duakev ua dej nagkev ncaj ncees ntev duaKev Pabcuam Lub Neej.

Tsis tas li ntawd,polymer hloov me ntsisfeem ntau ua rau zoo duakua nplaumzoo. Qhov kev txhim kho nokua nplaumtxhim kho daim ntawv cog lus nruab nrab ntawm phau ntawv binder thiab aggregate hauvAsphalt pavi, txo qhov ntxim nyiam ntawm stripping (qhov twg binder cais los ntawm cov aggregate, feem ntau vim ya raws). Hauvlub vov tsev, zoo duakua nplaumXyuas kom cov ntawv laps tau kaw ruaj khov thiab daim nyias nyias tseem txuas nrog lub substrate. Qhov tseem ceeb, kev txiav txim siab rauSiv bittumenuas tau hloov kho nrog cov polymers yog ib txoj kev nqis peev hauv kev ua tau zoo, thanevity, thiab txo tus nqi lub neej nyob rau qhov tseem ceebru tsevthiabTxoj Kev SivTej yaam num. TusKev ua tau zoo ntawm kev hloov khoBitumen ua kom pom tseeb ntau zaus me ntsis siab dua pib cov khoom siv. Peb feem ntau muabKev kub siab txog kev kub ntxhovuas tau txais txiaj ntsig zoo los ntawm cov kev hloov kho no.

Hom dab tsi ntawm cov qauv hloov kho nyob rau hauv polymer hloov me ntsis?

Ntau homHom hloov pauvbitumen muaj, feem ntau txhais los ntawmHom hloov pauv abumen hloov khosiv. Thaum ob peb cov ntaub ntawv tuaj yeem yogsib xyaw nrog bitumen los txhim khonws cov khoom, polymers yog qhov feem ntau cov thiab ua tau zoohloov kho cov qauvCov. Ob pawg loj ntawm polymersdav sivrauHloov Bitteryog elastomers thiab plastomers.

1. Elastomers (SBS - Styrene-Butadiene-Styrene):

   • Tus ntsesyog cov roj hmab thermoplastic uas imparts tseem ceebelasticraubitumen.
   • ThaumTus ntsesyog kom raug impersed nyob rau hauvkev dub, nws ua cov ntawv txuas ntxiv polymer, muab covHloov BitterCov khoom rov qab zoo tshaj plaws. Nws tuaj yeem ncab hauv qab thauj thiab rov qab mus rau nws cov qauv qub.
   • SBS tau hloov me ntsisyog tshwj xeeb yog muaj nuj nqis rau nws qhov yooj ntawmtsawg kubthiab nws cov nkees ua kom tsis kam, ua rau nws zoo tagnrho rau thaj chaw nrog cov kev hloov pauv tseem ceeb thiab cov tsheb hnyav hauvTxoj Kev Siv, nrog rau kev ua tau zooHloov Pasting BastingWee. Lub txhim khoelasticpabru tsevhaum raws cov qauv kev txav.

2. Plastomers (App - Inactic polypropylene):

   • App yog ib tug thermoplasticpolymeruas nce lub ntsws tawv thiabKuj mus rau deformationntawm lubbitumen, tshwj xeeb ntawmKev Kub Siab.
   • Qho tuHloov Bitumennyhav kom muaj cov khoom muag siab dua thiab muab cov UV kuj tsis kam thiab kav ntev.
   • Nws yog feem ntau siv nyob rau hauvHloov Pasting Bastingweepbranes, tshwj xeeb tshaj yog cov uas siv siv cov qauv hluav taws xob, raws li cov app pabbitumen kom ntwszoo thaum rhuab. Thaum tsis tshua muaj duaTus ntseshloov kho bitumen, app muab kev txo qis thiab huab cua tsis kam rauRu Tsev Tshuab.

DhauTus ntsesthiab app, lwm yamhloov kho cov qauvYuav siv tau, qee zaum ua ke, suav nrog:

• Cov roj hmab hloov roj hmab ntxiv (CRMB):Siv cov log tsheb rov ua dua tshiab rau cov roj hmab rauHloov Bitter, muab cov txiaj ntsig ib puag ncig nrog kev ua tau zoo li txhim kho rut tsis kam thiab qaug zog. Nov yog thaj chaw loj hlob hauv kev ruaj khovTxoj Kev Siv.
• Ethylene vinyl acetate (eva):Lwm Plastomericpolymersiv los txhim kho qhov kub-ua tau zoo.
• Ntuj Asphalt:Cov ntaub ntawv zoo li Gilsonite lossis Trinidad Lake Asphalt kuj tseem siv tauHloov Bitter, hloov nws cov khoom.

Qhov kev xaiv ntawmhloov khonyob ntawm cov khoom siv uas npaj siab (lub vov tsevvs.txoj kev yus taug kev saum), cov kev xav tau tshwj xeeb (piv txwv li cov kev ua tau zoo (piv txwv, huab cua, thauj tsheb khiav tsheb), thiab cov kev txiav txim siab them nqi. Nyiashloov khoimparts tshwj xeeb cov yam ntxwv, tso cai rau peb kom tailor tusHloov Bitterkom tau raws li covkev qhia tshwj xeebxav tau.

Yuav hloov kho backening vov tsev txhim kho kev tiv thaiv lub tsev?

Hloov Pasting BastingCov Tshuab Sawv Cev Pom Qhov Tseem Ceeb Tshaj Tawm dhau ib txwm asphalt-basedru tsevCov lus npog, muab kev tiv thaiv zoo tshaj thiab kev ua haujlwm ntev rau kev lag luam thiab muaj tsev. Cov lus tseem ceeb nyob rau hauv cov thaj chaw txhim kho ntawm covHloov Bitternws tus kheej, uas ua rau cov tub ntxhaiskev ua dej naglub caij ntawm lubKhoom siv vov tsevCov. Los ntawm kev sib xyaw polymers zoo liTus ntseslossis app,Hloov Pasting Bastingcov ntaub nyias muaj zog, lub zog, thiab lub peev txheej muaj peev xwm deb duakev dub.

Ib qho ntawm cov txiaj ntsig tseem ceeb yog txhim khoLub peev xwm waterproofingCov. Tuspolymer hloov me ntsistsim cov muaj zog, seamless, thiab cov dej-resistantdaim nyias nyiasCov. NoZoo heev waterproofingyog qhov tseem ceeb rau tiaj tus lossis cov ru tsev qis, uas yog tshwj xeeb tshwj xeeb rau cov dej kav dej. Lub txhim khoelasticntawmSBS Hloov Postrify Vos, piv txwv li, tso cai rau tusru tsevTxhawm rau ncab thiab cog lus nrog lub tsev txav thiab kub hloov yam tsis muaj kev tawg los yog cais, tswj nws cov whockeight kev ncaj ncees. Qho tuHloov Pasting Basting, thaum tsis muaj tsawg dua, muaj cov kev tshwj xeeb, muaj kev tiv thaiv tshwj xeeb thiab UV teeb meem, muab kev cuam tshuam tsis ruajdejkev tiv thaiv.

Tsis tas li ntawd,Hloov Pasting BastingCov txheej txheem yog paub rau lawv lub zog thiabyam ruaj khovCov. Lawv feem ntau yog tsim ua cov nplooj ntawv tsim hluav taws xob tsim hluav taws xob lossis muab cov yob, ua kom muaj txiaj ntsig zoo ua tau zoo thiab tuab. Cov membranes feem ntau cuam tshuam ntxiv mats (piv txwv li, polyester lossis fiberglass), uas, sib xyaw nrog cov tawvHloov Bitter daim plhaub, tshwm sim hauv aKhoom siv vov tsevuas tautiv tauTsheb tsheb ko taw, lawg cuam tshuam, thiab lwm yam kev nyuaj siab lub cev. Qhov no robustness txhais tau ntev duaKev Pabcuam Lub NeejthiabTxo cov kev tu ncua piv rau kev ua siRu tsev, muab cov tswv tsev uas muaj lub siab zoo dua thiab muaj kev thaj yeeb nyab xeeb. TusCov Khoom Siv Hluav Taws Xob Zoo Tshajua ke nrogyam ruaj khovuaHloov Pasting BastingIb qho kev xaiv zoo tshaj plaws rau kev ntseeg siabRu Tsev Tshuab.

Dab tsi yog dilapidated tus tseem ceeb ntawm hloov bitumen ru tsev nruab nrab?

Hloov Kho Bitumen vov tsevfeem ntau yog ntau-txheej ua ke tsim qauv los muab zogkev ua dej nagthiabyam ruaj khovCov. Thaum hloov pauv muaj nyob ntawm qhov tshwj xeebkev qhia tshwj xeebthiab kev thov txoj kev (piv txwv li txoj kev (piv txwv li lub teeb-thov, kub-mopped, txias-thovkua nplaum, tus kheej-adhered), cov ntsiab lus tseem ceeb muaj xws li:

1. Decking:Cov txheej txheem ntawm covru tsev(piv txwv li, ntoo, steel, ua vaj tse) raws li tustsev ua hauj lwmyog ntsia.
2. Rwb thaiv tsev:Muab cov thermal tiv thaiv, txhim kho lub tsev lub tsev txuag hluav taws xob. Nws ib txwm ntsia dua lub lawj.
3. Vapor Barrier (yeem):Siv nyob rau hauv qee qhov huab cua los yog hom hom los tiv thaiv kev ya raws vapor los ntawm kev ncav tes los yog underside ntawm lubru tsevmembrane.
4. Cov Ntawv Cim Hauv:Ib lossis ntau txheej ua kom ruaj ntseg rau lub substrate (rwb thaiv tsev lossis lawj). TusLuj Ntawvmuab lub hauv paus rau cov ntawv cap thiab ua rau cov txheej txheem tag nrhokev ua dej nagthiab lub zog. Tej zaum nws yuav yog mechanically fastened, adhered nrogKub asphaltlossis txiaskua nplaum, lossis tus kheej-ua. Ib coLuj Ntawvhom yog coated nrogHloov Bitter.
5. Hloov abumen membrane (CAP daim ntawv):Nov yog thawjkev ua dej nagtxheej thiab kev txhais cov ntsiab lus ntawm cov kab ke. Nws muajpolymer hloov me ntsis(SBS lossis app) txhawb nrog polyester lossis fiberglass. Sab saum toj sab saum toj yog feem ntau them nrog granules (rau UV kev tiv thaiv thiab kev tiv thaiv), ntawv ci, lossis dudaim plhaubCov. Nodaim nyias nyiasyog thov tshaj lubLuj Ntawv, nrog seams overlapped thiab ntim siv cov cua sov vuam (torching),Kub asphalt, khaub thuaskua nplaum, lossis tus kheej-adhering Technology. Cov Hoobkas nobitumen los xijUa kom muaj kev tswj hwm zoo.
6. Surfacing:Tiv thaiv tusHloov BitterMembrane los ntawm UV hluav taws xob thiab huab cua, txhim kho cov hluav taws kub tiv thaiv hluav taws, thiab tuaj yeem muab cov tsos zoo. Cov chaw ncig ua si muaj xws li cov pob zeb pob zeb ntawm cov ntawv cap thaum chaw tsim khoom, teb-thov kev sib txawv (uas tuaj yeem ua tauTxo cov kev nqus cua kub), lossis pavers.

Cov feem no cov feem ua haujlwm ua ke ua ke Synergistically los tsim lub zog ruaj, ntev ntevRu Tsev TshuabCov. Qhov zoo tshaj ntawm lubHloov Bitter daim nyias nyiasnws tus kheej yog qhov tseem ceeb, tab sis kom raug cai thiab kev sib koom ua ke ntawm txhua txheej yog ib qho tseem ceeb rau kev ua tiav kev ua tau zoo thiab ua kom zoo tshaj plawsKev Pabcuam Lub Neejntawm lubru tsevCov. Lub kaw lus hauv lub cev ua rau muaj kev tiv thaiv kom muaj kev tiv thaiv thiab muaj zogwaterproofing thiab adhesive cov khoom.

Muaj peev xwm hloov kho bitumen tseem txhim kho txoj kev kev tsim kho thiab txoj kev ua haujlwm durability?

Kiag li. Thaum feem ntau cuam tshuam nroglub vov tsev, Hloov Bitterplays lub luag haujlwm tseem ceeb hauv kev niaj hnubTxoj Kev Siv, ho txhim kho lubyam ruaj khovthiab kev ua tau zoo ntawmAsphalt paviCov. Cov ntsiab lus tib yam siv: ntxiv cov polymers lossis lwm yamhloov kho cov qauvTxhim kho covbitumen'smuaj peev xwmtiv tauCov kev ntxhov siab uas raug yuam kev los ntawm cov tsheb hnyav thiab sib txawv ib puag ncig. TusKev siv hloov pauv abumen hauv txoj kevCov ntawv thov ncaj qha chaw nyob homtxoj kev yus taug kev saum.

Polymer hloov me ntsisKev khi ua raukev dubCov sib xyaw nrog zoo duaKuj mus rau deformation, tshwj xeeb rutting tshwm sim los ntawm cov nra hnyav hauvKev Kub SiabCov. Lub txhim khoelasticimparted los ntawmhloov kho cov qauvnyiamTus ntsespabtxoj kev yus taug kev saumFlex nyob rau hauv lub nra thiab rov ua kom zoo, txo kev qaug zog tawg uas feem ntau tshwm sim hauv qab cov kev ntxhov siab hauv tsheb. Tsis tas li ntawd,Hloov Bittertxhim kho hloov tau ntawmtsawg kub, ua tustxoj kev yus taug kev saumtsawg dua qub rau thermal tawg thaum mob khaub thuas txias. Qhov kev ua tau zoo no ua rauHloov BitterQhov tseem ceeb rau txoj kev loj, cov tshav dav hlau, thiab ntau txoj kev nroog uas tau ua tau zoo tshaj.

Qhov txhim khokua nplaumCov yam ntxwv ntawmHloov Bitterkuj ua rautxoj kev yus taug kev saumthiav. Muaj zog sib raug zoo ntawm lubkev dubbinder thiab cov lus sib cav sib ceg ua rau cov sib tov ntau tiv taus ya raws kev puas tsuaj (stripping), ib qho kev ua rau muaj ntxovtxoj kev yus taug kev saumDeterioration. Los ntawm mitigating rutting, tawg, thiab stripping,Asphalt pavitsim nrogHloov Bittermuaj lub sijhawm ntev duaKev Pabcuam Lub Neejthiab yuav tsum tau tsawg duaTu thiab KhoCov. Txawm hais tias thawj tus nqi yuav yog me ntsis siab duaCov lus basumen, lub neej-voj voog khaws nyiaj tau txais txiaj ntsig tau los ntawm nceyam ruaj khovthiabTxo cov kev tu ncuauaHloov Bittertus nqi-kev xaiv zoo rau kev thuamTxoj Kev SivTej yaam num. Cov ntaub ntawv zoo li pebnruab nrab kub urhalt blocktuaj yeem tsim nrog cov txheej txheem no.

Yog crumb roj hmab hloov me ntsis abumen ib qho kev xaiv ruaj khov?

Yog lawm,Cov roj hmab uas tau hloov kho roj hmab (CRMB)yog nce lees paub tias yog qhov kev xaiv kom ruaj khov nyob hauv lub realm ntawmHloov BitterTshuab, tshwj xeeb rauTxoj Kev SivCov. NoHom hloov pauv abumensiv cov roj hmab hauv av tau los ntawm cov log tsheb uas yog ahloov khoRaukev dubbinder. Nws cov khoom siv nyob ntawm ob qhov tseem ceeb: txo qis thiab ua tau zoo dua.

Firstly,Cov roj hmab tau hloov kho roj hmabMuab ib qho hluav taws xob muaj txiaj ntsig zoo rau kev ncua lub neej, uas ua rau muaj kev sib tw pov tseg thoob ntiaj teb. Sib xyaw ua ke ntawm cov roj hmabkev dubDiverts lab ntawm cov log tsheb los ntawm cov av pov tseg lossis cov ntaub ntawv pov thawj, txhawb nqa ib puag ncig kev lag luam. Siv cov khoom siv rov ua hluav taws xob no txo ​​qis kev cia siab rau cov khoom nkauj xwb (ob qho tib siPolymer Modifiersthiab tej yambitumen) yuav tsum ua tiav cov yam ntxwv xav tau zoo hauvtxoj kev yus taug kev saumCov. Qhov kev sib tw no zoo li cov kev tswj hwm ib puag ncig thiab kev pib ua haujlwm rau kev pov tseg thiab kev txuag nyiaj txiag.

Thib ob,Cov roj hmab tau hloov kho roj hmabfeem ntau ua rau cov txiaj ntsig ua tau zoo. Cov Roj Hmabrov qab nrog bitumencov khoom siv nyob rau ntawm qhov kub ntawm lub sijhawm tsim khoom, txhim kho lub binder cov elasticity, yooj ntawmtsawg kub, thiabKuj mus rau deformation(rutting) thiab qaug zog tawg. Txoj kevleem nrog bitumenhloov kho nrog cov roj hmab ntim nkoj tuaj yeem nthuav tawm cov khoom lag luam tsis kam thiab txo cov tsheb khiavpiv rau kev ua sikev tsim txom. Thaum lub sijhawm ua tau zoo tuaj yeem sib txawv raws ntawm hom roj hmab, qhov loj me me, thiab cov txheej txheem ua ke,Crmbfeem ntau muab kev txhim khoyam ruaj khovthiab muaj feem ntauKev Pabcuam Lub Neej, pab txhawb kom muaj kev ruaj khov los ntawmTxo qhov xav taurau ntau zausTu thiab Khothiab rov tsim kho. Raws li thev naus laus zis kev kawm,Cov roj hmab tau hloov kho roj hmabtab tom ua ib txoj hauv kev zoo dua thiab ntxim nyiam rauHloov BitterRau greenerTxoj Kev Siv.

Cov txiaj ntsig tau txais txiaj ntsig ntev thiab muaj sia ntawm kev siv dab tsi?

Qhov kev txiav txim siab rauHloov Bitternrog cov polymers lossis lwm tus neeg sawv cev txhais ua cov txiaj ntsig ntev ntev, feem ntau koom ib puag ncig txhim khoyam ruaj khovthiab txuas ntxivKev Pabcuam Lub NeejRau ob qho tib silub vov tsevthiabtxoj kev yus taug kev saumCov ntawv thov. Cov kev zoo kawg nkaus thaum ua rau lub neej zoo dua lub neej-voj voog-ua tau zoopiv rau kev ua si.

• Kev Pab Cuam Ntxiv Lub Neej:Nov yog tej zaum qhov txiaj ntsig tseem ceeb tshaj plaws.Hloov Pasting BastingCov tshuab tuaj yeem ua kom muaj tseeb 20-30 xyoo lossis ntev ntev dua nrog kev teeb tsa kom zoo thiab txij nkawm, muaj ntau yam ntxiv paru tsevhom. Zoo sib xws,Asphalt pavikev sivHloov Bittertuaj yeem nthuav tawm lub neej ntev dua ua ntej uas xav tau cov kev kho kom rov zoo dua, muaj peev xwm nce ntxivKev Pabcuam Lub Neejlos ntawm 50% lossis ntau dua nyob rau hauv kev xav tau. Lub superior tiv thaiv kom cua tawg, rutting, qaug zog, thiab kev ua kom sov txhais tau tias cov khoom siv tau ntev dua.
• Txo cov kev hlub uas tau txais:VimHloov Bitteryog inherently ntau tiv taus rau cov hom kev ntxhov siab, qhov zaus thiab ib txwm muajTu thiab Khofeem ntau txo. Raulub ru tsev, qhov no txhais tau tias tsawg dua kev kho thiab tsawg dua thaj. Rau txoj kev, nws txhais nws cov txhais ua kom tsawg tawg cov se zom thiab pothole patching. Qhov no tsis tsuas yog txuag cov nqi kho kom raug cuam tshuam nrog kev kho mob (piv txwv li, kev siv cov teeb meem hauv tsev).
• Txhim kho kev ua tau zoo nyob rau hauv huab cua huab cua: Hloov BitterSaib xyuas nws cov khoom lag luam uas txaus siab tshaj qhov kub thiab txias. Nws tsismuagRaws li ntau nyob rau hauv huab cua sov lossis ua raws li nkig hauv huab cua txias. Qhov no ua rau nws haum rau kev hloov pauv kub thiab kub thiab ua kom muaj kev txhim khu kev qha thawm xyoo, seb nws yog aru tsevenduring lub caij ntuj sov tshav ntuj thiab lub caij ntuj no khov lossis atxoj kev yus taug kev saumnyob rau hauv cov tsheb hnyav. Muaj peev xwmtiv tauCov extremes no yog qhov tseem ceeb rau nws lub sijhawm ntev.
• Kev Nyab Xeeb Kev Nyab Xeeb:Rau cov pavements, txhim kho rut tsis kam thiab muaj peev xwm nplua tawm kev tiv thaiv kev nyab xeeb rau kev nyab xeeb rau kev nyab xeeb hauv kev kev nyab xeeb. Raulub ru tsev, lub txhim khoyam ruaj khovthiabkev ua dej nagMuab kev tiv thaiv kom zoo dua rau cov tuam tsev thiab cov cuab tam.
• Zoo rov qab los ntawm kev nqis peev:Thaum lub sijhawm pib tus nqiHloov Bitterthiab siv nws hauv kev tsim kho yuav yog siab dua li sivCov lus basumen, txuas ntxivKev Pabcuam Lub NeejthiabTxo cov kev tu ncuaFeem ntau ua rau qis dua ntawm lub neej muaj sia nyob tag nrho, muab cov peev txheej ntev dua. TusLifespan ntawm hloov kho bitumenCov ntawv thov muab cov nqi tangible.

Hauv essence, xaiv rauSiv bittumenQhov ntawd tau hloov kho yog kev nqis peev hauv kev tsim txiaj thiab kev ncua ntev, them nyiaj faib los ntawm kev txo qis thiab ua haujlwm ntev.

Yuav ua li cas peb thiaj paub tseeb thiab kev ua txhaum zoo thiab kev ua txhaum hauv kev hloov kho Bitumen?

Ua cov chaw tsim khoom nrog 7 kab ntau lawm tshwj xeeb hauv cov khoom lag luam zoo liCour tar lub taub hau flakesthiab ntau yam asphalt qib, ua kom zoo ib yam zoo thiab nruj dua raukev qhia tshwj xeebyuav tsum muaj rauHloov Bitteryog paramount. Rau cov neeg siv khoom zoo li Markpson, uas ua kom pom qhov ua tau zoo nrog tus nqi sib tw, tswj tau zoo yog tsis muaj kev sib ceg. Peb cov txheej txheem cuam tshuam ntau cov tshev thiab cov nyiaj tshuav.

Nws pib nrog kev xaiv raw. Lub hauv pausbitumenYuav tsum muaj cov qauv zoo ua ntej nws txawm nkag mus rau cov txheej txheem kev hloov kho. Tuspolymerlossis lwm yamhloov kho (Tus ntses, App, nkoj roj hmab, thiab lwm yam) yuav tsum lees paub cov qauv ua ntej txog kev sib xyaw thiab cov khoom siv lub cev. Peb tswj kev sib raug zoo nrog peb cov neeg xa khoom thiab ua kev tshuaj xyuas khoom siv khoom siv. Thaum lub sijhawmHloov Kho BitumenCov txheej txheem nws tus kheej, tsis muaj qhov kub thiab txias, thiab cov tshuaj tua kab mob uas tau ua tib zoo saib xyuas cov thev naus laus zis. Qhov no ua kom muaj kev sib cais ntawm covhloov khonyob rau hauv lubbitumen, uas yog qhov tseem ceeb rau kev ua tiav qhov kev xav tau ua kom tiav hauv cov khoom zoo lielastic, Kuj mus rau deformation, thiabkua nplaum.

Qhov tseeb, nruj kev sim ua tiav ntawm qhov kawgHloov Bitterkhoom. Cov qauv yog cov niaj zaus coj los ntawm cov khw ntau lawm thiab raug teeb meem ntawm kev kuaj teeb meem. Cov kev ntsuas no Txheeb xyuas cov txuj ci tseem ceeb uas tau hais txog cov qauv hauv International lossis cov neeg siv khoom tshwj xeeb (ETTM, en specifications en specifications). Cov kev ntsuam xyuas feem ntau suav nrog:

• Softening point
• Kev nkag siab
• Elastic rov qab (tshwj xeeb rauTus ntsesHloov BITumen)
• Dynamic rheamat receterus (DSR) Kev kuaj (kom pom tus cwj pwm vixees ntawm ntau qhov kub)
• Dabtsi yog khoov sa rheum rheometer (bbr) kuaj (rau tsawg-kub txhav)
• Yuam kev
• Cia ruaj ruaj (kom paub meejpolymernyob qis qis)

Los ntawm kev tswj hwm cov qauv kev tswj hwm zoo (ua raws li ISO cov hauv paus ntsiab lus) thiab nqis peev hauv cov cuab yeej ntsuas ntawm xeev, peb tuaj yeem lees lees lees lees lees lees lees lees lees lees lees tias pebHloov Bittercov khoom lag luam tau raws li qhov yuav tsum tau uakev qhia tshwj xeebthiab qib ua tau zoo, kom ntseeg tau ntseeg tau rau cov ntawv thov uas xav tau xws liHloov Pasting Bastingthiab kev ua tau zootxoj kev yus taug kev saumCov. Qhov kev sib raug zoo no pab tiv thaiv teeb meem xws li daim ntawv pov thawj dag cim txhawj xeeb txog thiab ua kom covKev ua tau zoo ntawm kev hloov khobitumen ntsib kev cia siab.

Ua qhov kev xaiv yog: Qhov kev txiav txim siab tseem ceeb rau kev xaiv Bitumen

Xaiv qhov tsim nyogHloov BitterCov khoom yuav tsum ua tib zoo xav txog ntau yam, kom ntseeg tau cov ntaub ntawv xaiv ua ke nrog txoj haujlwm kev xav tau tshwj xeeb thiab ib puag ncig. Rau cov tub ceev xwm ua haujlwm zoo li Malompson, ntsuas qhov zoo, nqi, thiab thov kev haum rau qhov tseem ceeb. Ntawm no yog qee qhov kev txiav txim siab thawj:

1. Daim Ntawv Thov:Yog tusHloov Bitternpaj raulub vov tsevlossistxoj kev yus taug kev saum? Cov kev xav tau kev ua tau zoo txawv.Hloov Pasting Bastingfeem ntau ua ntejkev ua dej nag, hloov pauv, thiab UV tsis kam, thaumtxoj kev yus taug kev saumCov ntawv thov tsom rauKuj mus rau deformation(rutting), qaug zog tawg, thiab thermal tawg.
2. Hom hloov kho:Qhov kev xaiv ntawmTus ntsesthiab app (lossis lwm yamhloov kho cov qauvZoo li cov roj hmab mos txwv) yog qhov tseem ceeb.
   • SBS tau hloov me ntsismuaj kev tshaj lijelasticthiab tsawg-kub hloov, zoo tagnrho rau thaj chaw nrog loj viav vias lossis qhov chaw tseem ceeb tau txais (piv txwv li, sib txuas, ib coRu Tsev Tshuab).
   • Qho tuHloov Bitumenmuab cov khoom siv kub zoo tshaj plaws, kev nruj heev, thiab UV kuj, feem ntau nyiam rau lub teeb-thovlub vov tsevWee.
   • Cov roj hmab tau hloov kho roj hmabmuab qhov sib npaug ntawm cov khoom nrog ntxiv cov txiaj ntsig ib puag ncig, tshwj xeeb rauTxoj Kev Siv.
3. Huab cua tej yam kev nyab xeeb:Cov kev pheej hmoo (highs thiab lows) thiab cov qib nag lossis daus ntauHom hloov pauv abumenCov. Cov ntaub ntawv yuav tsum raug xaiv rautiv tauQhov tshwj xeeb hauv zos muaj kev nyab xeeb yam tsis tau ntxov ntxov. Piv txwv li, ib thaj av uas muaj cov khoom plig txias heev uas tau tsim nyog ib phau ntawv nrog cov khoom siv hluav taws xob zoo heev (feem ntau nyiamTus ntses).
4. Tsheb thauj khoom (rau kev pavement):RauTxoj Kev Siv, cov kev cia siab thiab qhov hnyav ntawm cov tsheb yog qhov tseem ceeb. Cov lo lus hnyav uas xav tau cov tawv ntoo nrog cov tawv ncauj ntau dua thiab zoo duaKuj mus rau deformationntawmKev Kub Siab.
5. Txoj kev teeb tsa:Raulub vov tsev, cov tswv yim thov txoj kev thov (tsau, mop, txiaskua nplaum, tus kheej-adhered) tej zaum yuav cuam tshuam qhov kev xaiv ntawmHloov Bittermembrane. Qee cov khoom tau tsim tshwj xeeb rau qee txoj kev.
6. Kev ua raws nraim:Xyuas kom cov khoom lag luam sib ntsib cov qauv kev lag luam (ASTM, Aashto, en) lossis cov cai tshwj xeeb. Thov cov ntawv pov thawj thiab cov ntawv ceeb toom xeem yog qhov tseem ceeb. Ua ib tus neeg xa khoom, peb nkag siab qhov tseem ceeb ntawm cov ntaub ntawv hloov pauv.
7. Tus neeg xa khoom txoj kev cia siab thiab cov kws tshaj lij:Kev sib koom ua ke nrog cov kws tsim khoom uas muaj kev paub nrog cov chaw tsim khoom siv uas muaj cov kev txhawb nqa kev ua haujlwm thiab muaj pov thawj cov ntaub ntawv ntawm qhov zoo yog qhov tseem ceeb. Kev sib txuas lus zoo thiab txhim khu kev qha logistics, hais cim cim cov ntsiab lus mob mob, yog ib feem ntawm cov lus qhia muaj nuj nqis.

Los ntawm kev saib xyuas cov xwm txheej no, cov neeg yuav khoom tuaj yeem ntseeg siab xaiv qhov zoo tshaj plawsHloov BitterCov khoom lag luam, ua kom muaj kev ua tau ntev ntev,yam ruaj khov, thiab tus nqi rau lawv kev nqis peev hauvlub vov tsevlossistxoj kev yus taug kev saumcov vaj tse. TusCov txiaj ntsig ntawm BitumenKev hloov kho tau zoo tshaj plaws thaum cov khoom lag luam yog xaiv tau rau txoj haujlwm.

Xaus & Tseem Ceeb

Hloov Bitumensawv cev rau txoj kev nce qib tseem ceeb dua li cov pakev dub, muab cov kev daws teeb meem rau kev xav taulub vov tsevthiabtxoj kev yus taug kev saumCov ntawv thov. Los ntawm kev sib txuampolymersnyiamTus ntsesthiab app, lossis lwm yamhloov kho cov qauvXws li cov roj hmab ntoo roj hmab, peb tuaj yeem ua rau tus engineerbitumenTxhawm rau xa cov kev ua haujlwm zoo dua rau cov neeg tseem ceeb thiab kev tiv thaiv kev tiv thaiv kev tiv thaiv.

Ntawm no yog qhov tseem ceeb tshaj plaws kom nco ntsoov:

• Kev Hloov Kho Kom Ua Tau Zoo:Lub hom phiaj tseem ceeb ntawm kev tsimHloov Bitteryog los txhim kho nwsyam ruaj khov, hloov zuj zus mus kub,Kuj mus rau deformation, kev ua dej nag, thiab zuag qhia tag nrhoKev Pabcuam Lub Neej.
• TSEEM Modifiers: Tus ntses(elastomer) muabelasticThiab qis-kub hloov, thaum app (plastomer) muaj kev sib zog thiab kev ruaj khov kub.Cov roj hmab tau hloov kho roj hmabMuab cov txiaj ntsig ua tau zoo nrog kev ua tau zoo.
• Cov Kev Pab Cuam Npaum: Hloov Pasting Bastingmuab kev ruaj khov, ntev-ntevdejkev tiv thaiv rau lub tiaj tiaj thiab qis-nqaim ru tsev, ua tau zoo tshaj plaws hauvyam ruaj khovthiab tiv taus huab cua.
• Cov txiaj ntsig kev pab:HauvTxoj Kev Siv, Hloov Bittertseem ceeb txo rutting, qaug zog tawg, thiab cua tawg, ua rau muaj kev nyab xeeb dua, ntev dua-ntevAsphalt pavi.
• Daim ntawv thov yog tus yuam sij:Qhov kev xaiv ntawmHloov Bitternyob ntawm cov khoom siv hnyav rau kev siv (ru tsevthiab kev nyab xeeb), huab cua, thauj khoom, thiab txoj kev teeb tsa.
• Kev paub tseeb tias muaj teeb meem:Koom tes nrog txhim khu kev qha cov tuam ntxhab uas ua raws txoj cai tswj hwm thiabkev qhia tshwj xeebCov qauv yog qhov tseem ceeb rau kev ua kom muaj kev ua tau zoo thiab thiav.
• Lub sijhawm ntev:Thaum muaj peev xwm muaj tus nqi siab dua,Hloov Bitterfeem ntau muaj txo qis-lub voj voog mus txuas ntxivKev Pabcuam Lub NeejthiabTxo cov kev tu ncua.

Nkag siab txog cov khoom siv, cov txiaj ntsig, thiab kev siv ntawmNtau HomntawmHloov BitterEmpowers engineers, kws tsim vajtse, thiab cov kws tshaj lij ua haujlwm zoo li Markson tau hais txog kev txiav txim siab, ruaj khov, thiab nqi siv hluav taws xob ruaj khov thiab raug nqi. Raws li lub Hoobkas tsim rau cov khoom lag luam zoo nkauj thiab asphalt khoom, peb pom cov neeg siv hluav taws xob uas ua rau muaj kev tsim khoHloov Bittercoj mus rau peb cov neeg siv khoom thoob ntiaj teb.