JC/T 2505-2019 JCT 2505-2019 Assembled building Prefabricated concrete floor board
JC/T 2505-2019 JCT 2505-2019 Assembled building Prefabricated concrete floor board
Basic Information
Scope
This standard specifies the terms and definitions, classification, code, specifications and markings, raw materials, structure, technical requirements, test methods, inspection rules, and product certificates, markings, transportation, and storage of precast concrete floor slabs for assembly-type buildings. This standard applies to precast concrete floor slabs for industrial and civil assembly-type buildings, mainly including precast concrete solid bottom slabs with truss reinforcement for composite slabs, precast concrete slabs with filler bodies for closely ribbed floor slabs, prestressed concrete double T slabs, and precast concrete cavity components for closely ribbed floor slabs. Other types of precast concrete floor slabs can refer to this standard for implementation.