Ukulinganisa Uhlelo Lwesiphefumulo Ngokulinganisa Uhlelo Lwesibhedlela Sokuphakathi

Umculo wokwenza kuyaphilile kakhulu kumqondo othuthekile ukwenza amanye amehluko amandla kanye nempumelelo yezigaba zomhlaba. Uma kuyakha ukukhetha umchine wokuphindezela okufanele kweprojekhu yakho, ukwazi ukuthi kutheni okuphambene phakade phakathi kwezixhobo zokuphindezela zasephesitashi kanye nezasekongxenye kuyakwaziwe kakhulu ukuphumelela kweprojekhu. Izixhobo zonke zomchine wokuphindezela zinamandla kanye nezimo eziphambene ngokugcwele ezingathinta izikhathi zokudala, ukuphatha kwezimbi kanye nokumiswa kokugcwele kwegaba. Teknoloji yomchine wokuphindezela yashintsha ngendlela eyinkimbinkimbi, ukufakwa kwamanye amaphutha amasha amandla okupheleleka, ukuphumelela kanye nokuxhumana kwesisebenzi ngapha kuthula kwezinkimbinkimbi.

Amaphambi asePavement ePhesitashi

Izicatshulwa nezinsuku zokusebenza

Amashini okupaka izindiza zenzelwe ukulawula izinto ezintsha ezingaphaya ngokucophelela nokuhlakanipha. Lezi zinkundla zinezinhloso eziphethwe kakhulu zomhlaba wokugcina ubomi bempilo ekuphindiseni kwemfazwe yokupaka. Isakhiwo se-hoppe sikwamukela izilinganiso ezahlukene zamathola futhi uhlanze ukulethwa kakhulu kwi-screed assembly. Izinkundla zokunikezela amathola ngaphakathi kweshini yokupaka kusebenzisa i- augers nezokuthutha ukuze kuphinde amathola ngokulinganayo ngapansi kwebandla elidingiwe.

I-screed assembly ibonakala njengomthakathi wenjine yokupaka efanele, ebhalela izinhlamvu zomhlaba nezinhloso zokuxhasa ukuqina kwesimo esifanele. Amamodeli ethu ephethwe kakhulu ahlanganisa izimfazwi ze-grade nezindlela zokuhlela ezingavumeli izimfazwi zokurekhoda, uhlanze izinkinga zeqiniso lemfazwe. Izithuthi ze-tractor zinika amandla nezixhobo ezidingekayo yokuxhumana ngokuphathelene, nasekuqiniseni isivinini esiqinile sokuxhumana ngokuphathelene ngokuphinda kwemisebenzi yokupaka.

Ukuphatha Kwamathola Nokubuyisela Kwe-Temperature

Ukuphatha intonga kuyahlukanisa imisebenzi yomshinizi wokulayisha ibhasethi kusizukulwane senginemilimo engaphezulu. Umshinanzi kufuneka akhusele izilingo zomthelela phakathi kwe-275-325°F ukuze akhusele ukusebenza nokugcina kwezilingo. Iihoperi ezinezikhwama nezinqumo ezinethemba zenzela ukungafeli kwesitonga ngexesha lenkqubo yokulayisha. Ezinye iinkqubo ezininzi zomshinanzi zokulayisha zibandakanya iindlela zokuthiwa kuqala ezingenisa umthelela ngaphambi kokwahlulwa.

Ukukhokha okungasivikelwa kuyenye indlela ebalulekileyo yendawo yomshinanzi wokulayisha ibhasethi. Iisistemu ezithile zokuthwalela nomfanekiso we-auger zibophezela ukwahluka kumthelela ngelixa zikhuselela isilingo esifanayo. Indlela yomshinanzi wescreed iyaphatha izigaba zokudlulisa komthelela nemigaqo ekugqibeleni, ngezinye iindlela zezintonga ezikhoyo kwiimfuno eziphethile. Ukuphatha ngempumelelo komthelela kuchaza ubukhulu obungcono bokuxhomekeka kwaye kube lula ukuba kukwenzeke kakhulu ngokuphindaphinda komshinanzi.

Ukufakwa Tekinoloji Yomshini Wokulayisha Ibhloko

Izinhlekele Zokulayisha Zihluphe

Izimboni zokulayisha i-concrete zisebenzisa teknoloji yohlu lwesihluphe ukwakha izinkuni eziphambile ngaphandle kwezinhlekele zezenzo. Le ndawo yezimboni zokulayisha ihlaza ekukwenzeni izindawo zasehighway nezindawo zokuhlala kwesilwane apho izahluko ezinde, eziphakeme zidinga iziprofili eziyisisekelo. Imishini yokulayisha isohlupha iyaphakama phambili ngokuphambile aze icement ikhanyise emuva kohlelo lokulayisha, wakha izihluphe ezingenazo izikhathi.

Izinhlekele zokugcina concrete ngaphakathi kwemshini yokulayisha ziyathuthukisa ukuletha kwamandla nokulahleka kwezimali ezingasiza ekuziphileni kwesihluphe. Izilungiso zeshivivane nezilungiso zokuphakama kusenziwa ngokushintsha ngokulinganisa nokulinganisa kwezixhobo zecement kanye nezimo zezinsuku. Inhlekele yokuqeqesha imshini yokulayisha iyamemeza ubuchwepheshe bempawu kanye nobuchwepheshe begrade, isebenzisa kakhulu izinhlekele zestringline noma laser ukuze kube nakho ubuchwepheshe.

Ukuletha Kwamandla Kuye Kuyalayishwa

Imisebenzi yomshinisi wokulayisha ibhloko kudinga izinqamuzana zokuletha imodi ukuze kugcinwe ukulayisha ngqo. Izithuthi zemidi yokulayisha noma izilungiselelo ezikhaya zikhipha imodi ngqo kwihopoli yomshinisi. Kubalulekile kakhulu umlando wemodi, njengoko izinguquko zoslump, uhla lwesandla, noma ingcimbi yecementi zingasebenza ngaphandle umshini wokugcoba ukusebenza nokadinga kokuphela kweyisebe.

Izinqamuzana zokuciphisa ngaphakathi komshinisi wokulayisha ibhloko zicishisa imodi eyongeziwa futhi zenza ubude obufanele besandla. Amascredi apholile ayanciphisa isandla se-concrete futhi aphiyeke amakhremu kuze kube lunge ngokuphelele. Ezinye izinhlelo zomshinisi zokulayisha zibandakanya izibhedele zodaka zothuthukiswa ngokuzenzakalelayo okwenzelwa ukusungulwa kwegijoini, ekuthintela inkinga yokudala izixhumanisi ezingapheleli.

Ukulinganisa Ukunikezwa Kokuqonda

Izinkinga Zokunikezwa Neffishiensi

Ukusebenza kwegine ya ukuphathi kwe-asphalt kahle kungaphezu kwegine ya concrete ngokuthi kufakwa izikhathi ezinkimbini zomjane. Umphathi wokuphathi kwe-asphalt ungasebenza ngokuthuthukisa phambili ngaphandle kwezikhathi ezide zokucindezela. Izidingo zokuthwala kwezinto zingasayika izikhathi zokuqala, kodwa ukusebenza kwegine kungaba phezulu uma iziseko ziqale.

Ukusebenza kwegine ya ukuphathi kwe-concrete kuyaphela izindleko ezincane ngomhla ngokuthi kufakwa izinto zokucindezela nezidingo zokugcwele. Kodwa, umphathi wokuphathi wenza umfanekiso othuthekayo kuphela okufunayo ukulungiselela okuncane nokubuyisela. Izindleko zasekugcineni zomphakathi kungasebenziswe kwe-concrete ngapha kokuthula kwezindleko zokuqala.

Izidingo zomfula nezimo zasekhaya

Imithwalo yesimo sekalula iyaphawula kakhulu kusiseko lomsebenzi wamashini okulayisha nokulinganiso kwemali. Amashini okulayisha i-Asphalt aphumelela kangcono emathwalandeni amnandi namhlophe aphatha inzuzo yokugcinwa komthwalo nokuphazanyiswa kwezivinini. Umsebenzi kwemva yezulu libovu kudinga izinhlelo zokuthinta ezinguqukile futhi kungakhusela umsebenzi weshidi lenqolobane. Umnwelo noma ukupheleka kwezulu kungaxhumana nokudluliswa komthwalo nokukhiqizwa kwesitshalo sesandla.

Imisebenzi yamashini okulayisha ikonkreethi ihlangana nemiphumela ehlukile yezulu, ikakhulukazi ngokushiywa kwezimali nokuphelwa kwazo. Izulu elihlisa likhazimolola isimo sikreethi, singasiza ukuncipha isikhathi sokusebenza futhi siphawule imilingo yendawo yomshini wokulayisha. Imathwalo embovu ikhazimolola ukushiswa futhi kungadinga amathuba okuthinta noma izindlela zokuhlenga. Umsebenzisi weshidi lenqolobane kufuneka ahlengene nezinyathelo zasekuqaleni njengoba kuyinxenye yesimo sezulu nesilinganiso.

Izigaba Zokukhetha Isidingo

Izinkcazelo Nezidingo Zepraji

Ubude bokuphatha kweprojekthi nokutholakala kwebhathe kuthinta izinqumo zokukhetha izimbinde. Izisululo ezimfutshane zokuphatha kufundisa ukuthenga kwezimbinde zase-ashphalt ngoba yekukhiye kwezokuphatha kanye nokufinyelela ngokushesha kwebhathe. Iziprojekthi ezide zokuphatha kungase kuthintele ukuthenga kwezimbinde zasekonesithi ngaphandle kokuthengisa okuphakade kanye nokuphatha okude.

Izidingo zebhobho belapha kuthinta ukukhetha kwezimbinde, ngoba izixhobo zasekonesithi zihlawulela ngokwengeziwe ngokubhobho. Izinhloso zokulula kweyapha kungase kufundisa okunye okunye ngokuthinta kwezibalo zokumiswa kanye nezinhloso zokwamukela. Kumele izimbinde zibonise ukwazi ukufihlakala nezinhloso zeprojekthi ngokuvuselelayo nguye yonke indawo yokuphatha.

Ukubuyekeza Okuphi kanye noKhubeko

Izindleko zokuthola izixhobo kuqala ziphazanyiswa kakhulu phakathi kwezinhlelo zokulayisha asfalte nezinhlelo zokulayisha ibhlokhi. Iziphumo zokulayisha asfalte ngokuvamile zidinga izindleko eziphansi kakhulu kodwa kunyeza kudinga ukubuyiselwa okuphindaphindiwe ngoba kusetyenziswa kakhulu nokunyuka kwemithombo. Izixhobo zezinhlelo zokulayisha ibhlokhi zinani kabanzi kuqala kodwa ngokuvamile zinika ubude bezinsuku zobuso ngenkohlaka ekufuneka yenziwe.

Izindleko zokusebenza kudala ukunyusa komshini, izindleko zokuphatha imithombo, nezidingo zezenzelelo nganye yohlelo lokulayisha. Imisebenzi ye-asfalte ngokuvamile idinga umshini osondelayo wokunyusa nokulunga kwayo, nokulungisa umshini wobomi bomoya. Imisebenzi yesixhobo sokulayisha ibhlokhi inokudinga i-compounds ezithile zokulungiswa nokulungisa imithombo yokhangelela. Kufuneka kugcineke ngamandla amagama aphumelelayo kuzo zonke izixhobo nezindleko zomthombo xa kuchazwa uhlelo lokulayisha olwahlukileyo.

Ukuphila nokulinganisa izidingo

Imithetho yokuphila ngcono

Ukulungisa kwesiphequluli se-asphalt kusungule kumakompopheni wesiso samandla, izinkampani zokudlulisela izinto, nokhetho lokucophelela ukuze kuthintwe ukuthwala kwematerial. Ukucophelela ngemini kufuneka kube khona ukuze kuthintwe ukuthwala kwesibovu esikhiphayo okungahlinze indlela yesiphequluli se-asphalt. Ukubheke kwezinkampani zokuthwala kanye nokulungisa kwamaphethini okusungule kugcine imfanele futhi kuthuthukise ubume bokuphathelene.

Ukumelana kwesiphequluli se-concrete kusungule kumakompopheni wesiso sevibration, izinkampani ze-slip-form, kanye nezinto eziphawulene nesampuku. Ukubheke okuyisikhathi ngasinye kwezinkampani zokugcina kuthintwa ukuthwala kwe-concrete okungahlinze imfanele yesiphequluli se-concrete. Izinhetho zokucophelela kufuneka zilungise izindlela zomkhiqizo ngaphandle kokulahlwa kwezikomponi ezinhlelekile zemali noma izinkampani zohydraulic.

Ukufundisa Kwesekhondela Nenkonzo Yezimali

Ukusebenza kahle kwamashini okuphathelwa kudinga ukuthuthukiswa ngokungcono kwezici zomlando, izivumelwano zezixhobo, nezindlela zokuphatha ubunzima. Kufanele abasebenzi beshini lokuphathelwa kwe-asphalt bafunde ngokuphatha kwezinkokhelo, ukuphatha kwezinto, nokuthuthukiswa kwezivumelwano. Ukubaluleka kwezivumelwano zokuphatha izinkokhelo nezindlela zokulayisha izinto kubaluleke kakhulu ekuphatheni kwezishini nezimfazwana zokuphathelwa.

Abasebenzi beshini lokuphathelwa kwebhethune kudinga ukwazi ngokusebenza kwegunya, izindlela zokuphatha, nezindlela zokugcina bhethune. Ukuzinzela kwebhethune, imiyalo yesimo, nokudinga kwesikhathi kubaluleke kakhulu ekuphatheni kwezishini lokuphathelwa. Izilimi zonke ezimbili zithobela kubasebenzi abanobuchwepheshe abakwenzela ukuthuthukiswa kwezindlela ngokubuyekeza izimo nezici zezinto.

Imibuzo Evame Ukubuzwa

Iziphi izimo ezibandla ukukhetha kwezishini ezinjalo ngokuphathelwa kwezindawo zezindlela

Ukukhethwa kwezinhlelo zokulayisha izindlu kubaluleke ngemikhawulo yokuphuma kwegunya, imimangaliso yezulu, nemali engcinwa kude. Izigaba ezinamandla amakhulu ebusuku ngamakhono kwezilanga ngenxa yokuba kungcono futhi kube nzima ukulahla. Imimangaliso yezulu iyathatha kuququzelela izinkathi zokugcina nokuphazanyika, izilingo zetempurhuzi, nezindlela zokushisa okuthinta igunya lomthelela. Ukuhlaziywa kwemali kufanele kuthathe kuququzelela izindleko zokudala, izindleko zokuphatha, kanye namaxesha okusebenza abalulekile ekulinganisweni kwezinhlelo zokulayisha.

Izimo zejulile ziyenzela kanjani iintlobo ezahlukene zeziphindezelo zokulayisha ngexesha lokudala

Umehluko wesihlalo kusabalala kakhulu kumsebenzi wamashini okulayisha kanye nokuphila kwezinto. Kudinga izimo ezibuhlungu, ezingavimbiyo ukuze amashini okulayisha kwesbitu aphumelele ngokushesha kwezinto futhi aqaphele kahle, kodwa izimo ezibanda zikhipha ukusebenza futhi kungadinga izinhilo eziyisisekelo. Amashini okulayisha kwesimento ayenzelwa ngokushesha kumaqondo amnandi kanti aqhubeka ngokushesha kumaqondo amhlophe. Izinhilo zombili lezi ziphathwa ngokulinganisa ngezimo, ubuchwepheshe, kanye neziphumo zezinsuku.

Kukhona yini eyodwa kuzo zombili izindlela zokuhlola phansi phakathi kwezishini zokulayisha kwesbitu nezimento

Ukuphatha kwamashini okulayisha isiphalama kusobala kumakhanda okushisa, ukucula kwezinto, nokukhokha kwezinto ezikhanyisiweyo kuzintamo zokuthinta. Kufanele kube khona izinyathelo zokucula ngalangoma ukuze kuphathwe ubunzima beshidi lepaving nokukhindza izikoroko eziphakeme. Ukuphatha kwamashini okulayisha ikonkrethi kusobala kumagovu, izinketho zokulayisha ngaphandle kokubopha, nokususa ikonkrethi esele isetshenziswa ngaphandle kokulahla izinto ezinezizathulo. Izilimi zombili zidinga ukubheka ngemithwalo yezinhlelo zehayidreliki, izitsha noma iziti, nezinhlelo zokondla kwezibalo.

Kani ukulinganiswa komezimali phakathi kwezeprojekthi zomshini wokulayisha isiphalama nekonkrethi

Izindlela zomnotho zihlukile ngokwesiphagamano, umgama wokuthutha, kanye nabalulekileyo bezinhlelo. Izimbotiya zomnotho njalo zingaba ngamaphizi ngayitoni kodwa kungasebenza kakhulu ekubuyiseni phakathi kwesikhathi sokusebenza kwawo. Izimbotiya zezincuku zingaba ngamaphizi kabanjwa kodwa njalo zabelana nesikhathi eside sokusebenza kanye nokunciphisa kwezindlela zokuphila. Izimali zezinhlelo ngokuphelele kufuneka kubhekene nezindlela zomnotho kabanjwa kanye nezindlela zokuphila ngemuva uma kuhlelwa izimbotiya zezinhlelo ngokweqile.