This standard specifies the process and technical requirements for each process in the manufacturing process of precast concrete lining segment products for shield construction method, including raw materials, steel frame, concrete, mold and assembly, forming, steam curing, demoulding, repair, and post-curation. , inspection, marking, anti-corrosion, product storage and transportation, etc. This standard applies to precast concrete lining segments made of steel and concrete as main raw materials for tunnel projects such as rail transit, highways, railways, hydraulic engineering, electric power, and municipal administration.
JC/T 2030-2010 Referenced Document
CCES 01 Guide to Durability Design and Construction of Concrete Structures(explanation)
CECS 53-1993 Standard for Maximum Alkali Content in Concrete
GB 1499.1 Steel for the reinforcement of concrete. Part 1: Hot rolled plain bars
GB 1499.2 Steel for the reinforcement of concrete- Part 2: Hot rolled ribbed bars
GB 175 General Purpose Portland Cement*, 2023-11-27 Update