ASME RT-2:2008 pdf free download

ASME RT-2:2008 pdf free download.Safety Standard for Structural Requirements for Heavy Rail Transit Vehicles.
end franw (RT-2): at the coupler ends, the end frame consists of structure inboard of and supporting the anticlimber, corner posts at the juncture of the front end and side frames, collision posts located at the approximate one-third points of the end frame width, the end structural shelf or transverse beam, and sheathing connected to the structural framing members.
end sill compression load (buff load): compressive (longitudinal) force applied at the ends of the vehicle, usually at the anticlimber.
lwavj rail transit tvhicle: a typically electrically propelled, bidirectional vehicle, capable of multiple unit operation, and designed for rapid, high-level boarding and discharging of passengers. The vehicle is operated on a mode of rail rapid transit generally characterized by fully grade-separated construction on exclusive rights of way, with station platforms at the floor level of the vehicles. These systems are commonly referred to as subways or metros.
light rail vehicles: there are two categories of light rail vehicles
(a) Category 1: Streetcars. t.ight rail street cars operate mainly at street level (with some sections in tunnels or on rights-of-way) in consists of normally single or up to two units per train and at a maximum speed of 70 km/hr (44 mph).
(b) category II: Light Rail Transit Vehicles (LRTVs). LRTVs operate on a light rail transit system and are capable of boarding and discharging passengers at track or vehicle floor level. The light rail transit vehicle provides a mode of rail transit characterized by its ability to operate on exclusive rights-of-way, street running, center reservation running, and grade crossings, and to board or discharge passengers at track, vehicle floor, curb, or street levels.
permanent deformation:
(a) for design, a condition resulting from a stress greater than the minimum yield strength of the material, or where the material has deformed to the extent that it will not return to its original shape or position after the load is released.
(b) for testing, a condition resulting from a stress greater than the yield strength of the material, or where the material has deformed to the extent that it will not return to its original shape or position after the load is released.
structural cnergii absorption zone: a zone, typically located at the ends of the carbody, designed for controlled deformation or crush when the carbody is loaded beyond its elastic capacit’ while the integrity of the remaining carbody is maintained.
structural sheathing: the parts, if any, of the exterior covering of the carbody that are used as structural components of the vehicle and included in its stress analysis.