T/JSJTQX 22-2021 Active Group standards

T/JSJTQX 22-2021 Post-tensioning method for prefabricated components: Specification for grouting passage construction technology

Publish Date: 2021-07-06 Implement Date: 2021-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/JSJTQX 22-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Integrated Road Engineering

Publish Date: 2021-07-06

Implement Date: 2021-08-01

Scope

Main technical content: The grouting of prestressed holes by post-tensioning method is an important work in prefabricated components. This technical specification starts with the preparation of grouting equipment, materials and mixing ratios, preparation work before grouting, grouting implementation, quality control of construction in special seasons, and defect treatment, etc. It stipulates the standardized operation methods that affect the quality of grouting in each process. This standard is of great significance for the quality control of highway construction and local highway and bridge construction in Jiangsu Province