Home / Standards / GB/T 23561.14-2010 GB/T 23561.14-2010 Active Methods for determining the physical and mechanical properties of coal and rock - Part 14: Method for determining the swelling ratio of rock 煤和岩石物理力学性质测定方法 第14部分：岩石膨胀率测定方法 Standard Type GBT ICS 73.010 CCS D04 Status 现行 Issue Date 2010-09-26 Implementation 2011-02-01 Responsible Dept 中国煤炭工业协会 Drafting Unit 中国煤炭工业协会