Imishini Yokubeka Amaphakathi Emgwaqeni Yokuqondisa Iindlela: Iziphumo, Isayintsho Sokubeka Ngokuthi Sihlale Ngokuphambuka, Nokufaneleka Kwemisebenzi

Isayintsho Sokubeka Ngokuthi Sihlale Ngokuphambuka Sibiza Iminyaka Yokuqala Imishini yokubeka amaphakathi emgwaqeni Ukusebenza

Izinkulungwane Zokusebenza: Ukubeka Ngokuphambuka Kwaye Ukubeka Ngokuthi Kuselaphambuka

Isayintsho sokubeka ngokuthi sihlale ngokuphambuka imishini yokubeka amaphakathi emgwaqeni kuyabuyekeza indlela okwenziwa ngayo amaphatho, ngokusebenzisa ukuphatha kwayo okuphambili kokugcina nokuthi kubhala ngokwakho. Lezi zikhombisa zokubhala ngokwakho zihlukaniswe konke lokhu kucacile kakhulu ukwenza izifomu ngokuphelele ngokuphambili, ngokubhala isikrithi esingaphansi (ngapakathi kwemilimita engu-30 noma ngapansi kwalokho) ngokuphambili kwesikhululeko sokubhala. Ngaphakathi kwezikhombisa, kunezivibrater ezithile ezinconyelwa isikrithi ngokushesha lapho isibhala kusifomu, okusiza ekubeni kubhekise izicobo zezindawo eziphakade zokubhala ezizenzakale. Ngokulandela izirhaporti zasezindustri ezenziwe ngo-2023, le nto yokubhala ngokuphambili kungabhabha phakathi kwemitha engu-200 kuya ku-300 ngosuku, okukhula isikhathi sokugcina isikhululeko ngokuphakeme kwe-30% kulokho okwenziwa ngamazifomu okuzimela. Lokhu okuhle kakhulu kukuthi lezi zikhombisa zibhala ngokuphambili ngokuphelele futhi emaphakameni, futhi ubunikazi bakho obuhle bakhula umkhawulo wamathuba ngokuphakeme kwe-15%. Kananjalo, abantu abancane kufuneka ngoba umuntu omunye uyakwenzela konke kodwa akufuneki iqembu elikhulu lokwenza izifomu. Lokhu kusiza kakhulu kumaqondolo amakhanda nezindawo eziphakade zokubhala apho isikhathi nesimali siyisisekelo esiphakeme.

Ukuphakanyiswa Kwemithambo: Ukulawula Ukuguqula, Ukugxila Kwemigqa, Nokuphula Kwezimfuzo Zomuntu

Izimoto zanamuhla ezihamba ngezinyawo zingashaya ngemigqa emibili, okungamaphesenti angu-60 kangcono kunalokho abasebenzi abakuthola ngesandla ngokusho kocwaningo lwe-NCHRP lwango-2023. Lokhu bakwenza ngezinzwa zabo eziphambili nezinhlelo zokuqondisa i-GPS ezisebenza ngesikhathi sangempela. Le mishini ihlale ilungisa ukuthi iqonde kangakanani futhi ilungisa ukuthambekela kobubanzi ukuze konke kuhambisane namapulani edijithali. Akusekho ukufaka lezo zintambo ezicasulayo ezibonakala zihlale zingalungile endaweni ethile, futhi imigoqo eqediwe ilingana kahle nanoma iyiphi indawo esevele ikhona. Isici sokulawula izinga empeleni silungisa izimpethu nokucwila emhlabathini njengoba kuhamba, kugcina amanzi ahlanzekile. Uma kuziwa ekulawuleni ikhwalithi, izinhlelo ezizenzakalelayo zibheka kokubili ukuvumelana kwenhlanganisela kakhonkolo nokuthi idlidliza kahle kangakanani phakathi nokubekwa. Lokhu kusiza ukubamba izinkinga ngaphambi kokuba zibe yizinkinga ezinkulu, kusindisa cishe ikota yezindleko ezijwayelekile zokuphinda zenziwe kabusha ngokususelwa kudatha ye-FHWA kusukela ngo-2022. Ekuhlolweni okwakamuva ngo-2024, amaqembu akwazi ukwakha cishe amamayela angu-1,2 emigwaqo emincane nemigodi emikhulu njalo lapho echitha izinto ezingaphansi kuka-18% uma kuqhathaniswa. Ukuqeda lezo zilinganiso zokuqagela ezenza ngokomlando cishe u-15% wezindleko eziphelile kumaphrojekthi edolobha kusho ukuthi lezi zinhlelo ezizenzakalelayo zenza umsebenzi ohambisana nazo zonke izincazelo njalo.

Iziphumo eziphakanyisiweyo zokusebenzisa imashini yokuphakamisa amaphuzu kumasevisi wezinfrastraktsha

Ukushisa & Ukunceda kwabantu: Imboni yasekhaya ye-FHWA ya-2023 ngokuthengiswa ngomshini ngosuku

Ngokwesifundo sika-FHWA esenziwe ngo-2023, amapaver ase-slipform aya kubeka umbhalo wemitha emibili yezinguqulelo zomhlaba ngomshini wokusebenza umnye, futhi abaningi ababili noma abathathu kuphela abadinga kusuka kuleli mshini. Lokhu kukhulu kakhulu kunezindlela zokusebenza zokuzenzakalelayo ozokufuna izigaba zezinkulungwane ezine noma ezingaphezu kwalokho ukuze ubone iziphumo ezifanayo. Ukunciphisa izindleko zokusebenza kuyisibonelo sokukhula kakhulu, kunciphisa izindleko zokusebenza phakathi kwe-60% noma kwe-80%. Ngaphezu kwalokho, akukho inkinga yokubeka izifomu, futhi isikrithi siyabekwa ngokuphambuka ngokuphambuka ngokwesithembiso (extrusion) engaphansi kokubekwa ngamaphuzu. Uyinombolo yezindawo zokuhlukanisa izihlangu zomkhosi njengoba kuyasebenziswa manje, kuyabekwa ngokugcina kahle kwezinhlaka ezi-ne (4) ngokuphambuka kwezinye izikhathi okunokwenziwa ngaphambi kwalokho. Umnikelo wabantu abancane kuyenza ukuthi kunezinkinga eziphansi kwezinkinga zokuphazimula kusuka kwezindawo zokusebenza, futhi kusiza ekuvikelweni kwemiphumela yokungafikiwa kwabantu abasebenza. Lokhu wonke kusiza ukuthi iziprojekthi zibe nzima kakhulu xa ziyabizwa ngokulingana nezinye iziprojekthi, futhi kusiza ukuthi iziprojekthi zezinsiza ziyahamba ngokwesikhala sakho ngaphandle kokubeka iziphakade.

Ukuphatha Kwemithombo & Ukuphatha Kwemithombo: Kungani Amacurbs Asetshenziswa Ngokugcina Akhona Ayisisekelo Okwesikhathi Esingaphansi Kweminye Imithambo

Amabhuloho enziwe ngomshini agcina isikhathi eside ngoba anokulawulwa kangcono kokuqina futhi awanawo amalunga lapho izinkinga zingaqala khona. Lapho zithelwa ngokuqhubekayo, lezi zinsimbi zifinyelela cishe ezingeni lokucinana elingama-98%, okuyinto ephakeme kakhulu kunama-85 kuya kwangu-90 esivame ukuyibona ngezindlela ezenziwa ngesandla. Lokhu kusho ukuthi kunezimbobo ezimbalwa ngaphakathi kwebhuloho ezingase ziholele ekuqhekekeni lapho amanzi eqhwa futhi encibilika ngokuphindaphindiwe. Imishini futhi igcina izinto zilungiswe kahle, zihlala ngaphakathi kuka-plus noma - 1/8 intshi ngaphezu kwamamitha angu-30. Lokho kusiza ekuvimbeleni amanzi ukuba angabi khona emigwaqweni futhi abangele izinkinga zokuguguleka komhlabathi emgwaqweni. Ngakolunye uhlangothi, lezo zingxenye ezihlukanisiwe eziqoshiwe zivame ukuzinza ngokungafani ngokuhamba kwesikhathi futhi zidinga umsebenzi wokulungisa ongamaphesenti angu-35 ngemva kweminyaka emihlanu nje kuphela. Okwenza ukucindezela ngomshini kugqame ngempela indlela okuhlanganisa ngayo ukudlidliza phakathi nokuthungwa, okuqinisa ubuso ukuze ukhonkolo ukwazi ukubhekana nokushayisana kwezimoto ezinzima ngaphandle kokuqhekeka. Ngaphezu kwalokho, njengoba zonke izilinganiso zihambisana kusukela kwelinye igquma kuya kwelinye, zihlangana kahle nezinhlelo zokukhipha amanzi futhi zihlangabezana nazo zonke izidingo ze-ADA zokufinyeleleka kungakhathaliseki ukuthi umuntu usebenza kumuphi umsebenzi.

Ukubikisha Iziphakamiso Zemishini Yokuphakama Kwemithombo Kusukela Kuqala Kwemisebenzi Nokuthi Yini

Amathuluzi, Amaphakathi Okuqondile, Namaphakathi Okuqondile: Izikhundla Zokuphakama Kwezinkulungwane Nemiphakathi Yezibalo

Ukukhetha isibhalo sokugcina esihle kakhulu sifuna ukubizana phakathi kwezinto ozikwazi ngazo ngomkhini nezinhlobo zezinkinga zokugcina nokubanzi kwemisebenzi. Kumaqhambani, ubungakanani bokusebenza kuyisiphumo esikhulu kakhulu. Lezi zimisebenzi zidinga amakhini okusebenza ngaphezu kwe-1500 feet zokugcina ngalunye ulwazi ukuze bahlale baphinde baphinde emaqhambanini amaningi apho akukho mthwalo omkhulu wokugcina. Ukuphatha kahle kuyisiphumo esikhulu kakhulu lapha futhi. Iziqu zokuphatha kufanele zibe phakathi kwe-3mm noma kuphi ukuze sibe nemfundo yokugcina yamandla nokuzimisa kwezindlela zokuphatha ngokuphelele. Umsebenzi wamaqhambani amaningi uyasephakathi. Amakhini kufanele abe nge-800 ku-1200 feet ngusuku, bakwazi ukuphinda ngokushesha kanye nokuhlanganisa kumaphakathi ngokuphelele ngaphandle kokwenza izinkinga. Uma kuchazwa umsebenzi wamadoda, ukuzimisa kuyisiphumo esikhulu kakhulu. Amakhini amancane yokugcina ayasebenza kahle kumaziko apho imithwalo ayisikhulu kakhulu, maybe ngaphezu kwe-500 feet ngakho konke. Kodwa lezi zinkomo zencane zifanele futhi zikhululeka ngokushesha kakhulu, ngokuphatha kweziqu zokugcina ezincane kakhulu njenge-2 meters. Lokhu kuyenza kubo abantu ababiliyo bokukhetha ukuthintela izindlu zezindawo zezindawo, ukuthintela izindawo zokuhlala, noma ukusebenza kumaziko apho amandla ayisikhulu kakhulu. Futhi uma kuchazwa izindawo ezenziwe kakhulu, ukubona ukuthi amakhini ayisikhulu kakhulu nokuthenga iziqu zokugcina ziyisiphumo esikhulu kakhulu. Kuyenza abantu bakwazi ukugcina ngokuphelele ngaphakathi kwezindawo ezenziwe kakhulu ngaphandle kokuthinta izinto ezinye.

Ukukhetha Imashini Yokuphakamisa Amaphakathi: Izindlela Zokusebenza Nezindlela Zokusebenza

Ukuthola umgwaqo ofanele kusho ukuthola imininingwane yobuchwepheshe kanye nokuvumelana nezimo okusebenzayo okuhambisana nalokho okudingwa umsebenzi. Izinhlelo zokukhishwa kwe-slipform kufanele zibe phezulu ohlwini ngoba zivumela ukhonkolo ukuba ugeleze ngokuqhubekayo ngenkathi usebenzisa ukudlidliza okungenawo amandla. Lokhu kubaluleke kakhulu ukuze kufinyelelwe kulezo zimo eziqinile zokubekezelelana kwabantu ezizungeze u-plus noma u-minus 3mm ngokusho kwamazinga e-FHWA kusukela ngo-2023. Izinga lokucacisa nalo lenza umehluko ngokuhamba kwesikhathi. Ucwaningo lubonisa ukuthi imigoqo eyenziwe endaweni iyaqhuma cishe izikhathi ezingu-40% uma iqhathaniswa naleyo ebekwe ngesandla. Lapho ubheka ukuthi umshini ungashintsha kanjani izinto eziningi, hlola izinhlelo zokubumba ezakhiwe ngamamojula ezisebenza ngezimo ezihlukahlukene zezingqimba kanye nokulawula okuzenzakalelayo. Izinhlelo ezinokuqondisa kwe-laser kokuqondiswa kanye nokulungiswa kwe-hydraulic kwemithambeka kusiza ukugcina ukuphakama okuhambisanayo ngaphakathi kokuhluka okungu-2mm endaweni engalingani. Lokhu kunciphisa izidingo zokulungisa izinto kamuva cishe ngo-30%. Emiklamweni emikhulu yemigwaqo emikhulu, qiniseka ukuthi umshini ungenza amamitha angu-500 ngosuku. Uma usebenza emigwaqweni yasedolobheni, funa imiklamo emincane engakwazi ukubhekana namajika amancane ngaphansi kwezindawo eziphenduka ngamamitha amabili. Imishini esebenza kahle kakhudlwana futhi enezici zokuxilonga ngesikhathi sangempela yonga imali ezindlekweni zokusebenza. Empeleni, ezinye izinhlobo ezintsha zisebenzisa uphethiloli omncane ngo-15% kunezinhlobo ezindala. Cabangela zonke lezi zici lapho ucabangela ubukhulu bomsebenzi, ukuthi uzolingana kangakanani, nokuthi yiziphi izimo ezikhona endaweni. Lokhu kwenza kube lula kakhulu ukulinganisela phakathi kokunemba, umkhiqizo nenani eliphelele.

Imibuzo Evame Ukubuzwa

Uyini umshini wokugcoba imigwaqo?

Umshini wokufaka ama-slipform curb paver uyithuluzi elizihambelayo elisetshenziswa ekwakheni imigwaqo eliqhubeka likhipha ukhonkolo ophansi ukuze kwakheke ama-curb afanayo ngaphandle kwesidingo sokubumba ngesandla.

Ubuchwepheshe be-slipform bukuthuthukisa kanjani ukusheshisa kokwakha nokunciphisa izindleko?

Ubuchwepheshe be-slipform buthuthukisa ijubane lokwakha ngokuvumela ukufakwa okuqhubekayo kukhonkolo, okuhlanganisa amamitha angu-200 kuya kwangu-300 ngosuku, ngaleyo ndlela kunciphise isikhathi sokuphothulwa kwephrojekthi nezindleko ngokufuna abasebenzi abambalwa nokulahla izinto ezimbalwa.

Zinembile kangakanani izinsimbi zanamuhla zokubopha imigwaqo?

Ama-slipform paver anamuhla anembile kakhulu, afinyelela ukunemba kokuqondanisa ngaphakathi kuka-2mm. Zisebenzisa izinzwa nezinhlelo zokuqondisa i-GPS ukuze zigcine ukunemba kwazo.

Iziphi izinzuzo zokusebenzisa imishini yokucindezela uma kuqhathaniswa nezindlela ezivamile?

Ukucindezela ngomshini kunikeza ukulawula okungcono kokuqina, kunciphisa imfucuza yezinto ezibonakalayo, kuqinisekisa amazinga aphezulu okucindezela, futhi kuqede amalunga angaholela ekuqhekekeni.

Ungayikhetha kanjani efanele imishini yokubeka amaphakathi emgwaqeni ?

Ukukhetha imashini yokupavera kwe-kerb ephakeme kufuneka isikhombisa ukubaluleka kwemiphumela yezibalo nezinkimbinkimbi zokusebenza ezifanele kumsebenzi, ngokuxoxwa kwezinto ezithile njengekholo lokusebenza, ubuncinane bokusebenza, ubukhulu bekuphakama kokuhlanganisa, nokwesikhali sezindawo.