Standard Test Method for Coefficient of Retroreflection of Retroreflective Sheeting Utilizing the Coplanar Geometry
使用共面几何的逆反射片回射系数的标准测试方法
2020-10-01
AASHTO TP 130-20(2022)
Standard Method of Test for Producing Drawdown Panels and Measuring the Coefficient of Retroreflected Luminance (RL) of Pavement Markings in a Laboratory Panel
在实验室面板中生产下拉面板和测量路面标线反向反射亮度系数(RL)的标准试验方法
ASTM E2177-20
Standard Test Method for Measuring the Coefficient of Retroreflected Luminance (RL) of Pavement Markings using the Bucket Method in a Condition of Wet Recovery
在湿恢复条件下用桶法测量路面标线反射亮度系数(RL)的标准试验方法
2020-10-01
ASTM E2832-12(2017)
Standard Test Method for Measuring the Coefficient of Retroreflected Luminance of Pavement Markings in a Standard Condition of Continuous Wetting (RL-2)
在连续湿润的标准条件下测量路面标线反射亮度系数的标准试验方法(RL-2)