GB/T 21120-2007
Abolishedsynthetic fibers for cement , cement mortar and concrete
水泥混凝土和砂浆用合成纤维
Application Summary AI generated
GB/T 21120-2007 specifies the technical requirements, test methods, and quality criteria for synthetic fibers used as reinforcement in cement, cement mortar, and concrete. It is applied in the construction industry to ensure fibers effectively control cracking, improve toughness, and enhance durability in structural and non-structural concrete elements like pavements, slabs, and shotcrete. The standard is used by manufacturers and engineers for product qualification and quality control in building and infrastructure projects.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.