Br 3021 Standard — Pdf

(Original Portuguese: "NBR 3021 - Materiais betuminosos e termoplásticos - Determinação do ponto de amolecimento - Método do anel e bola")

The BR 3021 standard sets out specific requirements for the design and testing of railway rolling stock to ensure crashworthiness. Some of the key requirements include: br 3021 standard pdf

(NSS-1 and NSS-2). These graphs plot the required acceleration (often measured in "g" levels) and duration that equipment must be tested against during qualification. Compliance and Testing Naval Shock Testing Guidelines | PDF - Scribd (Original Portuguese: "NBR 3021 - Materiais betuminosos e