The "Construction and Quality Acceptance Standards for Inclined Shaft Freezing Method" is now approved as a national standard, numbered GB/T51288-2018, which will come into effect on December 1, 2018. This standard is published on the website of the Ministry of Housing and Urban-Rural Development (www.mohurd.gov.cn), and is published by China Planning Publishing House organized by the Institute of Standards and Quotas of the Ministry of Housing and Urban-Rural Development. Ministry of Housing and Urban-Rural Development of the People's Republic of China May 14, 2018
GB/T 51288-2018 history
2019GB/T 51288-2018 Construction and Quality Acceptance Standards of Mine Inclined Shaft Freezing Method