49 CFR Part 238
§ 238.417 — Side loads
FRA Part 238 · Subpart E — Specific Requirements for Tier II Passenger Equipment. Full current text with cross-references on BuildSpec.
§ 238.417 Side loads. (a) Each passenger car body structure shall be designed to resist an inward transverse load of 80,000 pounds of force applied to the side sill and 10,000 pounds of force applied to the belt rail (horizontal members at the bottom of the window opening in the side frame). (b) These loads shall be considered to be applied separately over the full vertical dimension of the specified member for any distance of 8 feet in the direction of the length of the car. (c) The allowable stress shall be the lesser of the yield stress, except as otherwise allowed by this paragraph, or…
The rest of § 238.417 — Side loads is for members
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