American Audio VELOCITY - REV 4-05 Betriebsanleitung PDF herunterladen (Seite 42)

METRO RAIL DESIGN CRITERIA SECTION 9 / SYSTEMS

DE304.09 9-37 Revision 4 : 05/09/12

Metro Baseline Re-Baseline: 04/29/10

FIGURE 9.1

LIGHT RAIL VEHICLE DIMENSIONS AND DESIGN LOADING

NOTES:

1. The vehicle dimensions specified reflect either acceptable ranges or lengths tolerable.

2. The maximum allowable P-1 axle weight under AW3 loading shall not exceed 23,290

pounds.

3. The maximum allowable P-2 axle weight shall conform to the limitations specified as

follows:

A. Weights and Capacities

The vehicle weight and weight distribution is limited by, and shall conform to, existing

Caltrans bridge structure loading criteria. The criteria are structure-specific and cannot be

precisely stated.

Passenger weight shall be assumed to be 154 pounds per person.

B. Weight Distribution

Vehicle weight distribution shall be maximize adhesion and minimize tendency to

derail for all passenger loadings.

The weight exerted by the center truck shall be between 24% to 31% of the total

weight on rail.

Weight distribution between end trucks shall not differ by more than 2000 pounds.

Lateral imbalance shall not exceed 25,000 inch-pounds at AWt.

4 The total vehicle weight under AW3 loading shall not exceed 1,600 pounds per foot of

length. The maximum AW3 vehicle weight shall not exceed 135,000 pounds, regardless of

length.

5. Upper limit of dimension "B" shall be 46.5 feet (measured over coupler faces). The vehicle

shall meet all clearance requirements under the worst conditions.

6. All dimensions are in feet.

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American Audio VELOCITY - REV 4-05 Betriebsanleitung Seite 42