Ukufumana i-microsurfacing, umlinganiselo ngamnye womxube ophuhlisiwe ngumfuniselo wokuhambelana, ochaphazelekayo kwizinto ezininzi eziguquguqukayo ezifana ne-asphalt e-emulsified kunye nohlobo lwe-aggregate, i-aggregate gradation, amanzi kunye ne-emulsified asphalt ye-asphalt, kunye neentlobo zokugcwalisa izimbiwa kunye nezongezo. . Ke ngoko, uhlalutyo lovavanyo lokulinganisa kwindawo yeesampulu zaselabhoratri phantsi kweemeko ezithile zobunjineli kuye kwaba sisitshixo sokuvavanya ukusebenza kwemixube emincinci yomhlaba. Iimvavanyo ezininzi ezisetyenziswa ngokuqhelekileyo zaziswa ngolu hlobo lulandelayo:
1. Uvavanyo lokuxuba
Injongo ephambili yovavanyo lokuxuba kukulinganisa indawo yokwakha yokugalela. Ukuhambelana kwe-asphalt e-emulsified kunye ne-aggregates iqinisekiswa ngokubunjwa kwe-micro-surface, kwaye ixesha lokuxuba elichanekileyo nelichanekileyo lifunyenwe. Ukuba ixesha lokuxuba lide kakhulu, indawo yendlela ayiyi kufikelela kumandla okuqala kwaye ayiyi kuvuleka kwi-traffic; ukuba ixesha lokuxuba lifutshane kakhulu, ukwakhiwa kwe-paving akuyi kuba lula. Isiphumo sokwakhiwa kwe-micro-surfacing sichaphazeleka lula yimeko engqongileyo. Ngoko ke, xa uyila umxube, ixesha lokuxuba kufuneka livavanywe phantsi kwamaqondo okushisa amabi anokuthi avele ngexesha lokwakha. Ngoluhlu lweemvavanyo zokusebenza, izinto ezichaphazela ukusebenza komxube we-micro-surface zihlalutywa ngokupheleleyo. Izigqibo ezithatyathweyo zezi zilandelayo: 1. Ubushushu, indawo yokushisa ephezulu inokunciphisa kakhulu ixesha lokuxuba; 2. I-Emulsifier, idosi enkulu ye-emulsifier, ixesha elide lokuxuba; 3. I-samente, ukongeza i-samente inokwandisa okanye inciphise umxube. Ixesha lokuxuba lichongwa yimpahla ye-emulsifier. Ngokuqhelekileyo, ubuninzi bexabiso, lifutshane ixesha lokuxuba. 4. Ubungakanani bokuxuba amanzi, amanzi amaninzi okuxuba, ixesha elide lokuxuba. 5. Ixabiso le-pH lesisombululo sesepha ngokuqhelekileyo li-4-5 kwaye ixesha lokuxuba lide. 6. Ubuninzi be-zeta ye-asphalt e-emulsified kunye nesakhiwo sombane esiphindwe kabini se-emulsifier, ixesha elide lokuxuba.
2. Uvavanyo lokubambelela
Ikakhulu ivavanya amandla okuqala omgangatho omncinci, onokulinganisa ngokuchanekileyo ixesha lokuqala lokuseta. Amandla aneleyo okuqala ayimfuneko yokuqinisekisa ixesha lokuvula kwi-traffic. Isalathisi sokubambelela kufuneka sihlolwe ngokubanzi, kwaye ixabiso lokubambelela elilinganisiweyo kufuneka lidityaniswe nesimo somonakalo wesampuli ukugqiba ixesha lokuqala lokumisela kunye nexesha elivulekileyo le-traffic yomxube.
3. Uvavanyo lokunxiba kwevili elimanzi
Uvavanyo lokukrazuka kwevili elimanzi lulinganisa ukukwazi kwendlela indlela yokumelana nokuguga kwamatayara xa imanzi.
Uvavanyo lweyure enye olumanzi lwesondo lwe-abrasion lunokugqiba ukunyanzeliswa kwe-abrasion ye-microsurface layer esebenzayo kunye neempawu zokugquma kwe-asphalt kunye ne-aggregate. Ukumelana nomonakalo wamanzi we-micro-surface modified asphalt umxube we-asphalt umelwe yixabiso leentsuku ezi-6, kwaye ukukhukuliseka kwamanzi omxube kuhlolwa ngenkqubo yokucwina ende. Nangona kunjalo, umonakalo wamanzi awubonakali nje ekutshintshweni kwe-membrane ye-asphalt, kodwa kunye nokutshintsha kwimeko yesigaba samanzi kunokubangela umonakalo kumxube. Uvavanyo lokuntywiliselwa kweentsuku ezi-6 aluzange luthathele ingqalelo impembelelo yomjikelo wokunyibilika kwamanzi kwintsimbi ekrwada kwiindawo ezikhenkcezayo ngamaxesha onyaka. Ukunyuka kweqabaka kunye nesiphumo sokuxobula okubangelwa yifilimu ye-asphalt kumphezulu wezinto eziphathekayo. Ke ngoko, ngokusekwe kuvavanyo lweentsuku ezi-6 zokuntywiliselwa emanzini abrasion ivili elimanzi, kucwangciswe ukwamkela umjikelo wokunyibilika wovavanyo lwesondo lokunyibilika lokumanzisa ukubonisa ngokupheleleyo iziphumo ezibi zamanzi kumxube we-micro-surface.
4. Rutting deformation test
Ngovavanyo lwe-rutting deformation, umyinge wokutshintsha kobubanzi bomzila wevili unokufumaneka, kunye nokukwazi ukuchasana nomxube we-micro-surface ungavavanywa. Ubuncinci besantya soguqulo lobubanzi, kokukhona amandla okumelana ne-rutting deformation kwaye ngcono uzinzo oluphezulu lobushushu; ngokuchaseneyo, kokukhona amandla ukuxhathisa deformation rutting. Uphononongo lufumene ukuba isantya sokuguquguquka kobubanzi bomzila wevili sinonxibelelwano olucacileyo kunye nomxholo we-asphalt emulsified. Okukhona ubuninzi be-asphalt e-emulsified, kokukhona ukuxhathisa kwe-rutting kumxube we-micro-surface. Wabonisa ukuba oku kungenxa yokuba emva kokuba i-asphalt ye-polymer emulsified ifakwe kwi-sement-based binder inorganic binder, i-modulus elastic ye-polymer iphantsi kakhulu kune-samente. Emva kwempendulo ye-compound, iipropati ze-cementitious material zitshintsha, ezikhokelela ekunciphiseni ukuqina okupheleleyo. Ngenxa yoko, i-wheel track deformation iyanda. Ukongeza kwezi mvavanyo zingentla, iimeko zovavanyo ezahlukeneyo kufuneka zisekwe ngokweemeko ezahlukeneyo kunye neemvavanyo ezahlukeneyo zokulinganisa umxube kufuneka zisetyenziswe. Kulwakhiwo lwangempela, umlinganiselo wokuxuba, ngokukodwa ukusetyenziswa kwamanzi omxube kunye nokusetyenziswa kwe-samente, kunokulungelelaniswa ngokufanelekileyo ngokwemozulu eyahlukileyo kunye namaqondo okushisa.
Isiphelo: Njengobuchwephesha bokugcinwa kokukhusela, i-micro-surfacing inokuphucula kakhulu ukusebenza okubanzi kwendlela yokuhamba kunye nokuphelisa ngokufanelekileyo impembelelo yezifo ezahlukahlukeneyo kwi-pavement. Ngexesha elifanayo, ineendleko eziphantsi, ixesha elifutshane lokwakha kunye nesiphumo esihle sokugcinwa. Eli nqaku liphonononga ukubunjwa kwemixube ye-micro-surfacing, ihlalutya impembelelo yayo xa iyonke, kwaye yazisa ngokufutshane kwaye ishwankathela iimvavanyo zentsebenzo yemixube emincinci ye-micro-surfacing kwiinkcazo zangoku, ezinokubaluleka kwereferensi elungileyo kuphando olunzulu lwexesha elizayo.
Nangona itekhnoloji ye-micro-surfacing ikhula ngokukhula, kusafuneka iphinde iphandwe kwaye iphuhliswe ukuphucula inqanaba lobugcisa ukuphucula ngcono kunye nokuphucula ukusebenza okubanzi koohola bendlela kunye nokuhlangabezana neemfuno zemisebenzi yezithuthi. Ukongezelela, ngexesha lenkqubo yokwakhiwa kwe-micro-surfacing, iimeko ezininzi zangaphandle zinempembelelo ngokuthe ngqo kumgangatho weprojekthi. Ngoko ke, iimeko ezifanelekileyo zokwakha kufuneka ziqwalaselwe kwaye amanyathelo okugcinwa kwenzululwazi kufuneka akhethwe ukuze kuqinisekiswe ukuba ukwakhiwa kwe-micro-surfacing kungaphunyezwa kakuhle kwaye kufezekiswe Ukuphucula umphumo wokulondoloza.
