Speed Behavior of Passenger Car on Helical Ramps and Helical Bridges in Mountain Riverside City

Figure 8

Driving speed on descending ramps. (a) Ramp of Fuling Yangtze River Bridge, design speed () 20 km/h. (b) Ramp of Fuling Wujiang Bridge, = 30 km/h. (c) Ramp of Chongqing Rongqiao Helix Bridge, = 40 km/h. (d) Jinkai Ring Bridge, = 20 km/h.

(a)

(b)

(c)

(d)