SANS 3012 Ed. 1 (2011)现行
Pavement Management Systems - Standard Visual Assessment Manual For Unsealed Roads
出版：South African Bureau of Standards
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基本信息
标准编号： SANS 3012 Ed. 1 (2011)
发布时间：2011/12/7 0:00:00
标准类别：Standard
出版单位：South African Bureau of Standards
标准页数：0
标准简介
Describes the visual assessment of the condition and performance of unsealed roads for use in gravel road management systems, maintenance programming and the monitoring of experiments.
