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Proracun prelaznih krivina I – Krivina R=60m V=40km/h A=35 α= 70 0 Lpk= A 2 R = 35 2 60 =20,42 m τ= Lpk 2R = 20,42 260 =9,189 0 Lkk= 180 ( α2 τ ¿= 60 π 180 ( 70 0 29,189)=45,05 m ∆R= Lpk 2 24R = 20,42 2 24 60 =0,289 m B = (R+ ∆R ¿ (sec α 2 1 ¿ +∆R= ¿ ( 60 +0,289 ) ( sec 70 2 1 ) +0,289=13,59 m d= Lpk 2 Lpk 3 240R 2 = 20,42 2 20,42 3 24060 2 =10,21 m Tg =( R +∆R ) tg α 2 + d=( 60 +0,289 ) tg 70 2 +10,2=52,41 m

Proracun prelaznih krivina

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Page 1: Proracun prelaznih krivina

Proracun prelaznih krivina

I – Krivina R=60m V=40km/h A=35 α=700

Lpk= A2

R=352

60=20,42m

τ= Lpk2∗R

=20,422∗60

=9,1890

Lkk= Rπ180

(α−2 τ ¿=60 π180

(700−2∗9,189)=45,05m

∆ R= Lpk2

24∗R= 20,422

24∗60=0,289m

B = (R+∆ R ¿(secα2−1¿+∆R=¿

(60+0,289 )(sec 702

−1)+0,289=13,59m

d= Lpk2

− Lpk3

240∗R2=20,42

2− 20,423

240∗602=10,21m

Tg=(R+∆ R ) tg α2+d=(60+0,289 ) tg 70

2+10,2=52,41m