Dab tsi yog nkhaus hauv kev tshawb fawb?
Dab tsi yog nkhaus hauv kev tshawb fawb?

Video: Dab tsi yog nkhaus hauv kev tshawb fawb?

Video: Dab tsi yog nkhaus hauv kev tshawb fawb?
Video: Tej kev txawj ntse no muaj qab hau dab tsi rau koj kev ua neej? 2024, Lub peb hlis ntuj
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Kev txhais ntawm Curves :

Curves yog cov khoov tsis tu ncua muab nyob rau hauv cov kab kev sib txuas lus zoo li txoj kev, kev tsheb ciav hlau thiab lwm yam thiab tseem nyob hauv cov kwj dej kom coj mus rau qhov kev hloov pauv hloov zuj zus. Lawv kuj tau siv nyob rau hauv lub dav hlau ntsug ntawm txhua qhov kev hloov pauv ntawm qib kom tsis txhob muaj kev hloov pauv sai ntawm qib ntawm apex

Ib yam li ntawd, koj tuaj yeem nug, dab tsi yog qhov nkhaus yooj yim hauv kev soj ntsuam?

Yooj yim Curves . Qhov no nkhaus muaj cov duab ntawm ib ncig arc. Nws txuas ob lub tangent ntawm ib qho kev sib tshuam. Nws muaj lub vojvoog tas li thoob plaws qhov ntev. Degree ntawm nkhaus , D yog hu ua lub hauv nruab nrab lub kaum sab xis uas yuav tsum tau subtended los ntawm arc rau ib qho chaw nres tsheb.

Tsis tas li ntawd, hom kev nkhaus yog dab tsi? Hom Kab rov tav Curve:

  • Simple Curve: Ib qho yooj yim arc muab rau hauv txoj kev kom ua rau txoj kev nkhaus ntawm ob txoj kab ncaj nraim.
  • Compound Curve: Kev sib xyaw ntawm ob txoj kab nkhaus yooj yim ua ke ua ke kom nkhaus rau tib qho kev taw qhia.
  • Rov qab Curve:
  • Transition los yog Kauv Curve:
  • Sag Curve.
  • Crest Curve / Summit Curve.

Ntawm no, muaj pes tsawg hom nkhaus muaj nyob rau hauv kev soj ntsuam?

Tsib hom ntawm kab rov tav nkhaus ntawm txoj kev thiab railways: Yooj yim nkhaus . Compound nkhaus . Rov qab los yog serpentine nkhaus.

Curve point yog dab tsi?

Kev txhais ntawm taw tes ntawm curvature. Cov taw tes qhov twg qhov kev sib tw hloov ntawm txoj kab ncaj nraim los yog tangent mus rau ib ncig nkhaus ; i.e., ua taw tes qhov twg nkhaus tawm thawj tangent.

Pom zoo: