This standard specifies the symbols, classification shapes and specifications, marks, raw materials, production process requirements, test methods, inspection rules, signs and export certificates, storage and transportation of fiber reinforced concrete shield segments used in tunnel engineering. This standard is applicable to fiber-reinforced concrete shield segments used in shield tunneling projects such as rail transit, highway, railway, water conservancy, electric power, municipal, and underground utility tunnels.
GB/T 38901-2020 Referenced Document
GB 175 Amendment No. 3 for General Portland Cement