Sentence examples for vertical rails from inspiring English sources

The Eighth and Ninth Rails (Vertical Rails) These rails run vertically from the floor of the track and were installed because early transit engineers were unsure if it was better for a subway car to move horizontally through the tunnel or perpendicular to the ground and straight into the ceiling.

If that happens, the device trips the safeties, bronze shoes that run along vertical rails in the shaft.

The wing motion is constrained by a vertical rail system.

(3) With vertical rail fastener stiffness increasing, the occurrence propensity of rail corrugation will decrease.  .

Therefore, decreasing the vertical rail fastener stiffness will deteriorate rail corrugation.

Open image in new window Fig. 2 Jack-loading diagram and vertical rail deflection measurement.

In the simulation, the lateral rail fastener stiffness is equal to a half of the vertical rail fastener stiffness.

In some cases, the lateral rail fastener stiffness is not equal to a half of the vertical rail fastener stiffness.

Figure 6 demonstrates the change of the effective damping ratio of unstable vibration with the vertical rail fastener stiffness.

This measurement system can also be used to explore the track modulus through measuring the vertical rail displacement according to the laser measurement method.

From Fig. 6, it is seen that with the decreasing of the vertical rail fastener stiffness, the effective damping ratio is decreased.