Home / Standards / GB/T 24335-2009 GB/T 24335-2009 Active Classification of earthquake damage to buildings and special structures 建（构）筑物地震破坏等级划分 Standard Type GBT ICS 91.120.25 CCS P15 Status 现行 Issue Date 2009-09-30 Implementation 2009-12-01 Responsible Dept 中国地震局 Drafting Unit N/A