Superelevation yog ib txoj kev ntawm kev tsim kho vaj tse siv nyob rau hauv txoj kev nkhaus qhov chaw sab nrauv ntawm txoj kev pavement yog tsa saum npoo sab hauv Ib qho ntawm txoj kab ntsug lossis "profile" ntawm ib txoj kev pom nyob rau hauv ntu ntu, nws yog ib qho tseem ceeb ntawm kev nyab xeeb nyob rau hauv cov qauv tsim ntawm txhua txoj kev nrog nkhaus.
Qhov kev nce qib super piav qhia yog dab tsi?
Superelevation yog lub txhab nyiaj ntawm txoj kev raws txoj kab rov tav kom cov neeg tsav tsheb tuaj yeem nyab xeeb thiab xis nyob ntawm qhov nkhaus ntawm qhov nrawm nrawm. Yuav tsum muaj tus nqi siab tshaj qhov nce siab ntxiv vim qhov nrawm nce lossis kab rov tav nkhaus ua nruj dua.
Leej twg yog lub npe ntawm super elevation?
The cant of a railway track or camber of a road (tseem hu ua superelevation, cross slope or cross fall) yog qhov hloov ntawm qhov siab (qhov siab) ntawm ob txoj hlua los yog ntug.
Yuav ua li cas sib npaug rau super elevation?
3. Qhov twg hauv qab no yog sib npaug rau super elevation? Kev piav qhia: Lub transverse inclination rau pavement nto yog hu ua super elevation los yog cant banking uas yog sib npaug rau tanθ. 4.
Yuav ua li cas thiaj tau txais qhov siab tshaj?
v=speed in kmph. R=Radius ntawm qhov nkhaus hauv meter. ∴ e=0.201 – 0.15=0.051 per meter of carriage way. ∴ Super elevation=0.0517=0.357 m los yog 35.7 cm saum ntug sab hauv ntawm txoj kev.
