T/SSCE 0003-2022 Active Group standards

T/SSCE 0003-2022 N-Jet work method super high-pressure spray grouting technical specification

Publish Date: 2022-07-20 Implement Date: 2022-08-01 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/SSCE 0003-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Earthwork, excavation, foundation construction, and underground engineering

Publish Date: 2022-07-20

Implement Date: 2022-08-01

Scope

Main technical content: The "N-Jet Method Ultra-High-Pressure Jet Grouting Technology Specification" standard of the Shanghai Municipal Society of Civil Engineering is a dedicated technical specification for the N-Jet method ultra-high-pressure jet grouting technology, mainly applied to foundation pits, foundation treatment, and other fields. The main technical content of the specification includes: 1. General Provisions (applicable scope of the standard, principles of standard drafting, etc.) 2. Terms and Symbols 3. Basic Requirements (applicable scenarios, applicable strata, equipment selection, design, construction, and inspection and monitoring principles, etc.) 4. Design (design selection, cross-sectional forms, pile diameter determination, cement admixture content, bentonite admixture content, different layout forms corresponding to different uses, etc.) 5. Equipment (main equipment components, including jet grouting systems, auxiliary systems, and requirements for digital management systems) 6. Construction (technical preparations before construction; slurry preparation and requirements for pre-drilled holes; technical requirements for grouting and lifting of drill rods; technical requirements for intelligent construction, etc.) 7. Quality Inspection (contents and requirements for quality acceptance before pile construction, during pile construction, and after pile construction) and related appendices