The "Standards for Jacking Construction and Acceptance of Urban Tunnel Bridges" is now approved as an industry standard, numbered CJJ/T74-2020, and will be implemented from October 1, 2020. The original industry standard "Regulations on Construction and Acceptance of Urban Tunnel Bridge Jacking" (CJJT74-99) was abolished at the same time. This standard is made public on the website of the Ministry of Housing and Urban-Rural Development (www.mohurd.gov.cn), and is published and distributed by China Construction Publishing and Media Co., Ltd. organized by the Standards and Quota Research Institute of the Ministry of Housing and Urban-Rural Development. Ministry of Housing and Urban-Rural Development of the People's Republic of China April 16, 2020
CJJ/T 74-2020 history
2020CJJ/T 74-2020 Jacking Construction and Acceptance Standards of Urban Underground Bridges