Standard Practice for Establishing Requirements for Equipment Calibrations, Standardizations, and Checks
确定设备校准、标准化和检查要求的标准实施规程
AASHTO R 61-12(2020)包含确定设备校准、校准验证、标准化和检查要求的一般标准和指南。本规程适用于R 18中未明确说明的设备和试验方法。本标准以前被指定为临时标准第57页。
AASHTO R 61-12 (2020) contains general criteria and guidelines for establishing requirements for equipment calibrations, verification of calibrations, standardizations, and checks. This practice is intended to be used for equipment and test methods not specifically addressed in R 18.This standard was formerly designated as provisional standard PP 57.