T/SCQA 418-2023 Assessment Standard for Quality Assurance Capability of Prefabricated Concrete Components Manufacturers of Assembled Buildings (Grout Mortar for Hollow Sockets)

Scope

Scope: This standard specifies the terms, normative reference documents, basic provisions, resource and production management, quality control of the production process, and product quality and product management of sleeve grout. This standard is applicable to the evaluation of the production quality assurance capability of manufacturers of sleeve grout, a supporting material for precast concrete components in assembly-type buildings, and is also applicable to the quality management and quality control of the production process of sleeve grout. Main technical contents: - Assembled prefabricated components: a supporting material for precast concrete components in assembly-type buildings, referred to as a precast component supporting material. - Cementitious grout for rebar splicing: a dry mix composed of cement as the basic material, combined with fine aggregates, concrete admixtures, and other materials. - Normal temperature type cementitious grout for sleeve: suitable for grouting construction and curing processes where the ambient temperature of the grouted areas does not fall below 5°C within 24 hours. - Low temperature type cementitious grout for sleeve: suitable for grouting construction and curing processes where the ambient temperature of the grouted areas ranges from -5°C to 10°C within 24 hours.

Development Information

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