DB32/T 4390-2022 Small Pre-fabricated Pumping Tunnel Technical Specification

GB/T 3274-1988 Carbon structural and low alloy steel rolled plates and strips GB/T 3274-2007 Hot-rolled plates and strips of carbon structural steels and high strength low alloy structural steels GB/T 3274-2017 Hot-rolled plates,sheets and strips of carbon structural steels and high strength low alloy structural steels 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 18173.3-2002 Polymer water—Proof materials—Part 3—Hydrophilic expasion rubber GB/T 18173.3-2014 Polymer water-proof materials—Part 3:Hydrophilic expasion rubber GB/T 21873-2008 Rubber seals—Joint rings for water supply,drainage and sewerage pipelines—Specification for materials GB 50205-2001 Code for acceptance of construction quality of steel structures GB 50205-2020 Standard for acceptance of construction quality of steel structures SL 191-2008 SL 191-2008 is the code for structural design of hydraulic concrete SL/T 191-1996 SL/T 191-1996 Code for Structural Design of Hydraulic Concrete Structures SL/T 352-2020 SL/T 352-2020 Waterworks Concrete Test Procedures SL 352-2006 Test Procedures for Hydraulic Concrete SL 677-2014 Waterworks Concrete Construction Specification JGJ 18-2003 Specification for welding and acceptance of reinforcing steel bars JGJ 107-2003 General technical specification for mechanical splicing of bars DB/T 32.1-2020 Technical requirements of instruments in network for earthquake monitoring—Underground fluid observation instruments—Part 1:Pressure instrument for water level DB/T 32.1-2020 Technical requirements of instruments in network for earthquake monitoring—Underground fluid observation instruments—Part 1:Pressure instrument for water level GB 50017-2017 Code for design of steel structures GB 50204-2015 Concrete Structure Construction Quality Acceptance Standards GB/T 50448-2015 Technical code for application of cementitious grout GB 50666-2011 Code for construction of concrete structures JGJ 1-2014 Technical specification for precast concrete structures JGJ 18-2012 Specification for welding and acceptance of reinforcing steel bars JGJ 107-2016 Rebar Mechanical Connection Technology Code (with Explanation) JGJ 355-2015 Technical specification for grout sleeve splicing of rebars GB/T 21873-2025 Rubber seals—Joint rings for water supply,drainage and sewerage pipelines—Specification for materials SL/T 191-2025 Water structure concrete design specifications