GB/T 38112-2019 Test methods of precast concrete products for tunnel

GB/T 50082 GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 9286-1998 Paints and varnishes—Cross cut test for films GB/T 9286-2021 Paints and varnishes—Cross-cut test GB/T 11836-1999 Concrete and reinforced concrete sewer pipes GB/T 11836-2009 Concrete and reinforced concrete sewer pipes GB/T 11836-2023 Concrete and reinforced concrete sewer pipes GB/T 11837-2009 Test methods of the concrete compressive strength of concrete pipes for water GB/T 13452.2-1992 Paints and varnishes—Determination of film thickness GB/T 13452.2-2008 Paints and varnishes—Determination of film thickness GB/T 15345-2003 Test methods of concrete pipes for water transmission GB/T 15345-2017 Test methods of concrete pipes for water transmisson GB/T 19685-2005 Prestressed concrete cylinder pipe GB/T 19685-2017 Prestressed concrete cylinder pipe GB/T 22082-2008 Reinforced concrete segments GB/T 22082-2017 Reinforced concrete segments JC/T 2092-2023 Non-prestressed steel-cylinder concrete pipe JC/T 2092-2011 Drilling and pouring method using steel cylinder concrete pipes JC/T 2456-2018 Prefabricated concrete box culvert GB/T 22082-2024 Reinforced concrete segments GB/T 11837-1989 Test methods of the concrete compressive strength of concrete pipes for water GB/T 50080-2016 Standard for test method of performance on ordinary fresh concrete GB/T 50081-2019 Standard for test methods of concrete physical and mechanical properties GB/T 50107-2010 Standard for evaluation of concrete compressive strength GB/T 50152-2012 Standard for test method of concrete structures GB 50204-2015 Concrete Structure Construction Quality Acceptance Standards