Ukuthi Ukuphakamisa Kwesiphambano Sokubhala Kwesikhumba Kusobala Kukhula Ukubaluleka Kwesikhumba Sokubhala Kwemiloko Yezindawo Eziphakade

Ngani Ukubhala Kwesikhumba Sokuphakamisa Kwezindawo Eziphakade Ukwehla kwezindawo engenazo izimu Kufunda Ukubaluleka

Izindlela zokufaka amapavuwe ngokuzenzakalelayo ziyaphila kakhulu xa kufuneka kubhekwe ukuthi izinto zihlala zihle kuzo zonke izindawo zemithambo yezinsuku. Umsebenzi wonke uyadlulwa ngokuphazimula ngoba abasebenzi bafuna ukufaka nokususa izifomu ngasinye isikhathi esingama-20 kuze kube ma-40 amitha, okusho ukuthi kunezikhathi eziningi zokuvalela nokuvula okuyizindlela eziphambili zokugcina izihlangothi ezincane zokuhlala kahle, futhi izifundo zibonisa ukuthi le ndlela iyanciphisa ukuprodukha ngosuku ngemiphumela yama-18 kuze kube ma-22 ikuphela ngokulingana nalo okwenza ngokuphambili. Indlela eyodwa yase-FHWA yoku-2022 yavakasha lokhu kahle—ngokwesibonelo, umuntu ngamashumi amane wezintshukumo zasezindaweni ezenzayo izifomu zokuzenzakalelayo zayagcina kahle kwezinhlobo zokuhamba ngokuphambili, okusho ukuthi izihlangothi aziphile kahle njengalokho kufanele. Ukufaka imithambo kahle kalesikhathi (akukho kuthi kungaphezu kwe-3 mm kokubili ngamitha ema-3) kusobala kusebenzisa inkqubo yezinye izinyathelo zokufaka ngokwamanzi ozokwenzela izihlangothi eziningi nezidiphi. Futhi, sibone ngokwanele ukuthi ubukhulu bekho kwezinyathelo abasebenzi bazenza kubhekwe kakhulu ekusenzeni kwabo, okuyisibonelo sokuthi iziphumo azikwazi ukubhekwa ngokuphambili. Lokhu kuyisibuko esikhulu kuma-highway apho abadrayiveli bafuna ukudrayiva kahle kakhulu (akukho kuthi kungaphezu kwe-1.5 mm ngamitha ema-1000), futhi izindlela zezokuzenzakalelayo ezingenazo izisistimu zokuzenzakalelayo zokuthintela izinto ngokujwayelekile ayikwazi ukuchaza ukuthi izilayebhu zihle kahle nezinkokhelo zokubhalwa kuzo zonke izindawo zemitha eminingi, okuyisibonelo sokuthi imithambo ayiphile kahle futhi izindlela zokuthenga ziyabuyela kakhulu.

Ukuthi Ukuphakamisa Kwesiphambano Sakhishela Ukubaluleka Kwezinhlobo Zokuphakamisa Ngaphezu Kwemithambo Yezindlu

Ukukhishwa Kwesikhathi Sokuphakamisa Kususa Ukuguqula Kwesikhathi Sokusebenza

Ukuhlanganiswa kwezindawo ezilandelana okusetshenziswa kusukela kwezindawo zokubeka amasiko kuyisibonelo esishintsha kakhulu indlela okwenziwa ngayo izindlela zokwakha izindlu zokugcina, kubhekise kakhulu ukuthi kuyizindawo ezintathu zokubeka, ukuphepha, kwaye ukufaka isikhala sesandla sokugcina. Izindlela zokuziphatha zokuzimele zazidinga abantu abasebenzi ukubeka izifomu ngokuphathelene nesikhathi kanye nokubeka ikonkreti ngemigqa, okwakabiza izinkinga zonke zokuhlela kwabantu. Kodwa ngamashini amasha, izisikhangeli sezinkundla zokuphepha zihambisa umfanekiso ngokuphelele kusendleleni futhi izifomu eziyohamba ziyabeka konke ngokulinganayo. Abaprofetha bakhuluma ukuthi badinga abantu abangaphezu kwe-40% ngaphansi kokunye kwezindlela zokuzimele. Amasiko wokugcina ayaphuma ngokulinganayo ngokuphelele kungaphezu kwe-2mm, futhi kunezinkinga ezingu-50% ngaphansi kwezinkinga zokuvula kusendleleni yezindlu zokugcina. Ngokwesibonelo seshumi lezindaba zokuzimele, ukuphatha kwamathambo kushukuma ku-3% uma kusetshenziswa le ndlela, okuyisibonelo esihle kakhulu kunokwesibonelo se-15% esihlukile kwezindlela zokuzimele.

Ukukhokha Kwesikhathi Sasezinsukwini: Ukugrada Ngolaser, Izinhlobo Zemithombo Yekhonsi Ezingcangcisiwe, Nokuvutha Okufanana Nokuzimisa

Izinkampani zokuphakama ngokushesha zezinsuku zezinsuku zihlala zinamandla amasha okukhuluma ngokushesha okuyinhloso yokuthola izilungiselelo eziningi kakhulu ngaphakathi kokusebenza. Lezi zinkampani zisebenzisa ukuzulazula kwelaser ukuthi zibuye ziqinisekise indawo yokuqondisa ngokulinganayo kubude obugcwele baba 1.5 mm noma kuphi. Ngokufanayo, izisensor ezingasemthethweni zibonisa xa umfanekiso udinga ukuthakazelwa kabanzi futhi zilungiselela ngokuzenzakalela isikhathi sokuvibratha phakathi kwe-8,000 ne-12,000 RPM. Lokhu kulungiselelo okwenza ngokushesha kunceda kakhulu xa kusetyenziswa emlandweni ongafanani noma kumfanekiso ongafanani, futhi iziprojekthi ziningi zifika kubude obugcwele baba 98.7% kwezinto njenge-flatness yomfanekiso. Okuhle kule teknoloji yonke kukuthi kususa ngokuphelele inkinga yokuthola izilungiselelo ezinzima ngokushesha emva kwalokho, okuthintana ngokuphelele kwezimali zokusebenza ngokulinganayo kubude obugcwele baba 18% ngaphakathi kokusebenza kokuphakama. Abaprojekthi abashiyile le teknoloji yezinkampani zokuphakama zizoba zingasemthethweni zibona ukuthi izindlebe zabo zihamba kabili kunezindlebe zokuphakama ngokushesha.

Ukuhlanganiswa Kwemiphumela Echazwa: Ubude, Umkhawulo, Ne-flatness Yomfanekiso

Umphumo wokusebenzisa indlela yokubhala ngokuzenzakalelayo yokuqondisa ukuthi kuyisiphi isidingo esithile xa kufundiswa ukwakha amazwe okukhanya. Ngokusebenzisa indlela yokususa ngokuphambuka, abasebenzi bakhokha kunciphisa ubude bakwakha kwinkimbinkimbi, bakhokha kubude obuhle kakhulu, bakhokha kubude obungaphezu kwe-1.5 mm noma obungaphansi kwe-1.5 mm ngalinye le-miles eminingi yamazwe. Kanti izivibrasi ezifakwe kahle zihlakaza kakhulu futhi, zinika umphumela wokugcina inkimbinkimbi ngokuphelele, futhi ziyafika kumbili ngaphezu kwe-98% njengoba kubonwa ngamashini amaningi asebenzisa izibalo zomkhosi. Xa kuchazwa ubude bekuphakathi kwezinye izikhathi, kubhekwa kakhulu. Ukubhalwa kubonisa ukuthi kukhona ubuningi obungaphezu kwe-3 mm ngalinye le-3 meters, okuyisibonelo sokuthi kubhekwa kakhulu kunezindlela ezingaphansi kwezinye ngaphezu kwe-40%. Lokhu wonke kubeka ukuthi kunezinkundla ezingaphansi kwezinye kwezwe futhi kunezinto ezingaphansi kwezinye ezingavunyelwa. Abasebenzi abaqhubeka kusuka kwezindlela zokusebenza ezihlukene zokwakha kubonisa ukuthi bafuna ukuthola ukuthola ubude obungaphezu kwe-9% kwezinto ezingavunyelwa kuphela, okuyisibonelo sokuthi kubhekwa kakhulu kwezinye ngaphezu kwezinye.

Isibonelo se-I-80 Corridor: Ubude Obungaphezu Kwe-98.7% Bekwakha

Kodwa baphinde bafunde amayili angu-120 we-I-80, kubonakala kahle ukuthi ubunzima be-slipform paving bungakanani ekuvikeleni kwezilinganiso zokuphakama. Abaprofetha bawosebenzisa izikhreedi zokuguidwa ngelaser zokufuna futhi bafika emaqiniso angu-98.7% yezilinganiso zokuphakama kwezilayibhi zokuphakama kwe-300 mm, okuyisikhundla esihle kakhulu kunomqondo wokuphakama kwe-90% owenzelwa ngokujwayelekileyo kwezindustria. Okumangalisayo kangaka? Kunezinyanga ezingu-9 ngamashumi amabili ezingaphakathi kwezinyanga zonke zingaphakathi kwezinyanga ezingu-2 mm zokuphakama okuphelele. Lokhu wonke lokuvikela kubonakala ukuthi kusavuma ama-material ngemvume yangu-17%, futhi kuzokwesha izindawo eziphakeme okukhona kuzoba kubhekwa ngokushesha kwezindlela zokuhamba. Kube nenye iziphumo. I-concrete ibe ne-density engakanani ngokuphakeme kwe-147 pounds ngocubic foot noma ngokuphakeme kwe-0.8, futhi izinyathelo zibe nezinyathelo ezizwele kakhulu ngokuphakeme kwe-1.2 mm ngameter. Ngakho-ke lezi zilinganiso zokuphakama zonke ziyasivuma kodwa sibheka ukudura kwezindlela zokuhamba zokuphakama kwezinkulungwane zokuhamba ngosuku ngosuku.

Iziphumo zokusebenza Ezivumela Ukuphakeme: Ums speed, Ukunciphisa Izijoint, nokuhlanganiswa Kwemithombo Yeqc

Ukugqokwa kwe-slipform kwandisa ukuvumelana ngenxa yokuthi kusebenza ndawonye. Imiklamo yenziwa ngokushesha ngoba imishini ibeka izinto ngesivinini esikhulu kangaka. Kukhona namalunga ambalwa akhiwayo ngoba inqubo iyaqhubeka kunokuba ihlukaniswe. Ngaphezu kwalokho, kunezindlela zokuhlola ikhwalithi ezakhelwe ngaphakathi kuyo yonke inqubo. Lezi zinhlelo ezihlanganisiwe zokulawula ikhwalithi zigcina iso ezintweni ezinjengokuthi ingxube inzima kangakanani nokuthi konke kuhlale kuhambisana kahle yini phakathi nokubekwa. Bangakwazi ukubona izinkinga zisuka nje futhi bazilungise ngaphambi kokuba zibe izinkinga ezinkulu, okuqeda isidingo sokuba abasebenzi bahlale behlola futhi belungisa izinto ngesandla. Lapho sibheka imiphumela yangempela, izikhathi zokwakha zincipha ngamaphesenti angu-20 kuya kwangu-35 ngaphandle kokulahlekelwa izindinganiso zekhwalithi. Futhi lezo zijoyinti ezicasulayo? Inani labo nalo lehla phakathi kwamaphesenti angu-30 no-50. Ngokuyinhloko, yilawo majoyinti lapho iningi lama-failure e-paving aqala khona ngokuhamba kwesikhathi. Okwenza le ndlela ibe yinhle kakhulu ukubuyekeza okuqhubekayo kwenqubo yekhwalithi. Igcina imiphumela ihambisana emabangeni amade emgwaqo kuyilapho inciphisa isidingo sokulungisa amaphutha kamuva. Ucwaningo lubonisa ukuthi le ndlela inciphisa izidingo zokuphinda usebenzise izinto cishe ngamaphesenti angu-18 kuya kwangu-25, kwakha uhlobo lomphumela we-snowball lapho ikhwalithi engcono iholela emiphumeleni engcono nakakhulu.

Ukufaka Kuphakeme Ngokushesha Ngaphandle Kokuthintana Kwemiphumela (Kufika Ku-1.2 m/s ngokwezinyathelo zokugcina ±1.5 mm)

Izindlela zokufaka izilayini zasezintandweni zizocimba ukuthi kufanele kubhekwe isikhathi noma ubukhulu bokuphepha — uma abasebenzi bapha kusho, izinyathelo ziyakwazi ukuba zingafanani. Ukufaka izilayini ngendlela yokuqondisa iphuzu (slipform) ikhuluma le mthwalo ngokusebenzisa izinhlangano zokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa kususa okuphuzwa ngokuthekelwa ngokuphuzwa......

Imibuzo Evame Ukubuzwa

Yikuphi umph advantage omkhulu we-slipform paving ngaphezu kwezindlela zezintandokazi?

I-slipform paving inikeza ukubaluleka kwezifunda nezinkulungwane ngokusebenzisa i-technology yokuqondisa ngokuphambuka, ukunciphisa iziphiwo zokusebenzisa amandla, nokuhlela ukusebenzisa izinto ezihlukene.

Ukuthi i-slipform paving isenza kanjani ukuthuthukisa isikhathi sokubakha?

Ngokwenza umsebenzi wokubakha ngokuzenzakalelayo nokunciphisa ukudinga kokusebenzisa amandla, i-slipform paving inikela ukubakha ngokukhula kakhulu ngaphandle kokuchitha ukubaluleka kwezifunda nezinkulungwane zomfanekiso.

Kunezidingo zemvelo zokubakha ngokusebenzisa i-slipform paving?

Yebo, i-slipform paving inciphisa ukugcina kwamathuba, inyusa ukugcina kwamandla ngokubakha, futhi inika amazwe okubakha angafana, okunciphisa ukudinga kokubakha kabusha.

Izitekinoloji ziphi ezenziwa kuma-slipform pavers esizukwenzayo?

Amaslipform pavers esizukwenzayo asetshenzisa izisigqibo zesilayi, izisensha zokubaluleka zokufaka embonini, nezitekinoloji zokuvibratha okuyinhloso yokubaluleka ngokucacile kumsebenzi wokubakha.