Home / Standards / GB/T 17431.2-2010 GB/T 17431.2-2010 Active Lightweight aggregates and its test methods - Part 2: Test methods for lightweight aggregates 轻集料及其试验方法 第2部分：轻集料试验方法 Standard Type GBT ICS 91.100.10 CCS Q25 Status 现行 Issue Date 2010-09-26 Implementation 2011-08-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A