T/SCQA 419-2023 Prefabricated Concrete Component Manufacturer's Quality Assurance Capability Evaluation Standard for Grout Hollow Sleeve in Assembled Construction Industry

Scope

Scope: This standard specifies the terminology, normative reference documents, basic requirements, resource and production management, quality control of the production process, and product quality and product management of grout sleeves. This standard is applicable to the evaluation of the production quality assurance capability of manufacturers of grout sleeves, which are auxiliary materials for prefabricated concrete components in assembly-type buildings, and is also applicable to the quality management and quality control of the production process of grout sleeves in such manufacturers. Main technical contents: Grout sleeves for rebar splicing are manufactured by casting or machining processes and are used for grouting and splicing of rebar. Grout inlet nozzles are used for grouting in grout sleeves and are usually smooth holes or threaded holes. Grout outflow nozzles are used for venting and discharging grout in grout sleeves. Testing refers to the use of specified methods to inspect and test the specified technical performance indicators of certain objects (gases, liquids, solids).

Development Information

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