China 'GB/T 23561.11-2010
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 23561.11-2010
Methods for determining the physical and mechanical properties of coal and rock - Part 11: Methods for determining shear strength of coal and rock 煤和岩石物理力学性质测定方法 第11部分:煤和岩石抗剪强度测定方法
Issued Date:2010-09-26
Implemented Date:2011-02-01
Issued by:
The Standardization Administration of the People's Republic of China