AS A77-1957被替代
Aggregates for concrete (excluding light-weight aggregates)
出版：Standards Australia
专家解读视频
基本信息
标准编号： AS A77-1957
标准类别：Standard
出版单位：Standards Australia
标准页数：33
标准简介
Applies to naturally ocurring sand, gravel and stone, crushed and uncrushed, having a gross apparent specific gravity on a dry basis greater than 2.3, and intended for use as aggregate in the production of concrete for normal constructional purposes.
本标准替代的旧标准
替代本标准的新标准
