T/CSPSTC 72-2021 Active Group standards

T/CSPSTC 72-2021 Tunnelling lining void grouting management technical specification

Publish Date: 2021-10-12 Implement Date: 2021-11-01 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/CSPSTC 72-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Concrete structure engineering

ICS Name: Civil Engineering Comprehensive

Publish Date: 2021-10-12

Implement Date: 2021-11-01

Pages: 28 pages

Scope

This document specifies the grading standards for voids in tunnel linings, the basic requirements for filling and grouting, and establishes the procedures for grouting design, the application of grouting materials, the selection of grouting equipment, grouting construction, grouting safety and environmental protection, and the evaluation of the effectiveness of grouting treatment.
This document is applicable to the treatment of void defects in the secondary linings of traffic tunnels constructed by underground excavation.