GB/T 50266-99 Engineering Rock Mass Test Method Standard

Author: Ministry of Power Industry of the People's Republic of China
Publisher: China Planning Press
Publication Date: 1999-05-01
Features: According to the requirements of the document No. 2630 of the State Planning Commission (Ji Com [1986]), the "Standard for Engineering Rock Mass Test Methods" was jointly formulated by the General Office of the Power Industry and relevant departments, and has been reviewed by relevant authorities. The "Standard for Engineering Rock Mass Test Methods" GB/T50266-99 is now approved as a recommended national standard and shall come into effect from May 1, 1999.