Standards

JC/T 2126.1-2023 Active

JC/T 2126.1-2023 Cement Products Technical Specification Part 1: Concrete and Reinforced Concrete Sewage Pipes

This document specifies the production process, production requirements, and quality control during the production of concrete and reinforced concrete drainage pipes (hereinafter referred to as "drainage pipes"). This document is applicable to concrete and reinforced concrete drainage pipes manufactured using core-mold vibration, radial extrusion, centrifugation, hanging roller, and vertical vibration pipe forming processes.

Publish Date: 2023-12-20

JC/T 2092-2023 Active

JC/T 2092-2023 Non-prestressed steel-cylinder concrete pipe

This document specifies the classification, specifications, and dimensions of non-prestressed steel-cylinder concrete pipes, general provisions, design and manufacturing, technical requirements, test methods, inspection rules, as well as marking, transportation, and storage, and factory certificates. This document is applicable to non-prestressed steel-cylinder concrete pipes used in urban water supply and drainage pipelines, industrial water transmission pipelines, farmland irrigation, factory pipe networks, power plant supplementary water pipes and cooling water circulation systems, inverted siphons, pressure tunnel pipelines, pipe trenches, pipe galleries, and deep-buried pipe culverts, and other engineering projects.

Publish Date: 2023-12-20

JC/T 1099-2023 Active

JC/T 1099-2023 Modified calcium aluminosilicate cement with calcium aluminoborosilicate

This document specifies the components, designations, and material requirements of calcium aluminate-modified silicate cement, its strength grades, technical requirements, test methods, inspection rules, packaging, marking, transportation, and storage. This document is applicable to calcium aluminate-modified silicate cement.

Publish Date: 2023-12-20

JC/T 1091-2023 Active

JC/T 1091-2023 Concrete pipe joint steel beam connector

This document specifies the classification and marking of steel sections for concrete pipe joints, their cross-sectional shapes and dimensions, general requirements, technical specifications, testing methods, inspection rules, ordering and delivery, as well as packaging, marking, and quality certificates. This document applies to steel sections for joints used in reinforced concrete drainage pipes, prestressed steel-cylinder concrete pipes, and non-prestressed steel-cylinder concrete pipes.

Publish Date: 2023-12-20

JC/T 1021.2-2023 Active

JC/T 1021.2-2023 Non-metallic Minerals and Rocks Chemical Analysis Methods - Part 2: Chemical Analysis Methods for Silicate Rocks, Minerals, and Silicate Materials Chemical Analysis Methods

This document specifies the chemical analysis methods for the main components of silicate rocks and minerals, as well as silica-based raw materials. This document is applicable to the analysis of the components of common silicate rocks and minerals, clay-based raw materials, silica-based raw materials, and other rocks and minerals with similar compositions.

Publish Date: 2023-12-20

JC/T 988-2023 Active

JC/T 988-2023 Cable-reinforced composite material protective tube

This document specifies the classification and marking, raw materials, requirements, test methods, inspection rules, and marking, packaging, transportation, storage, and factory certificates of fiber-reinforced composite protective pipes for cables. This document applies to fiber-reinforced composite protective pipes for cables (hereinafter referred to as "FRP protective pipes") made with glass fiber unidirectional roving and its products as reinforcement materials, and thermoset or thermoplastic resins as base materials, using fixed-length winding processes, continuous winding processes, continuous winding and laying processes, and braided winding and pultrusion processes. FRP protective pipes made by other processes can refer to this document for use.

Publish Date: 2023-12-20

JC/T 934-2023 Active

JC/T 934-2023 Prefabricated reinforced concrete square piles

This document specifies the classification and marking, general requirements, technical requirements, test methods, inspection rules, marking, product quality certificates, stacking, and transportation of prefabricated reinforced concrete square piles (hereinafter referred to as "reinforced concrete square piles"). This document is applicable to prefabricated reinforced concrete square piles used in industrial and civil buildings, municipal works, bridges, highways, railways, water conservancy, ports, and other projects.

Publish Date: 2023-12-20

JC/T 929-2023 Active

JC/T 929-2023 JCT 929-2023 Pyrophyllite

This document specifies the classification and marking of pyrophyllite, its requirements, test methods, inspection rules, as well as its labeling, packaging, transportation, and storage. This document is applicable to pyrophyllite products used in refractory materials, ceramics, rubber, fiberglass, and coatings.

Publish Date: 2023-12-20

JC/T 921-2023 Active

JC/T 921-2023 Vapor Pressure Accelerated Concrete Equipment Cutting Unit

This document specifies the composition and classification, models and basic parameters, requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of autoclaved aerated concrete cutting units (hereinafter referred to as "cutting units"). This document is applicable to equipment combinations used for cutting green bodies in the production of autoclaved aerated concrete products.

Publish Date: 2023-12-20

JC/T 906-2023 Active

JC/T 906-2023 Cement-based wear-resistant material for concrete flooring

This document specifies the classification and marking, raw materials, technical requirements, test methods, inspection rules, as well as marking, labeling, packaging, storage, and factory data of cement-based wear-resistant materials for concrete floors (hereinafter referred to as cement-based wear-resistant materials). This document is applicable to cement-based wear-resistant materials for concrete floors.

Publish Date: 2023-12-20

JC/T 888-2023 Active

JC/T 888-2023 Prestressed Concrete Thin-walled Pile Tube

This document specifies the classification and marking, general requirements, technical requirements, test methods, inspection rules, marking, product quality certificates, stacking, hoisting, and transportation of pre-stressed concrete thin-walled pipe piles (hereinafter referred to as "thin-walled pipe piles"). This document is applicable to the foundation treatment, equipment foundations, and temporary facility foundations used in transportation, municipal, industrial, and civil construction, water conservancy, and power projects.

Publish Date: 2023-12-20

JC/T 2733-2023 Active

JC/T 2733-2023 Green Design Product Evaluation Technical Specification for Thin-film Solar Power Roofing

This document specifies the evaluation requirements, evaluation process, preparation method of product life cycle assessment reports, and determination and labeling of thin-film solar power tiles. This document is applicable to the green design product evaluation of thin-film solar power tiles used for roof covering and decoration of buildings.

Publish Date: 2023-12-20