T/ZZXJX 224-2022 Active Group standards

T/ZZXJX 224-2022 Building foundation pit engineering technical specification

Publish Date: 2022-12-16 Implement Date: 2022-12-16 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/ZZXJX 224-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

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

Publish Date: 2022-12-16

Implement Date: 2022-12-16

Scope

Main technical content: 1. Scope 2. Normative reference documents 3. Terms and definitions 4. Basic provisions 5. Geotechnical engineering investigation 6. Gravity retaining walls made of cement-soil 7. Row pile retaining walls 8. Diaphragm walls 9. Soil nail walls and composite soil nail walls 10. Steel sheet piles 11. Internal supports 12. Anchors 13. Reverse construction method 14. Excavation and backfilling of foundation pits 15. Groundwater prevention and control 16. Monitoring and testing of foundation pits 17. Assessment and prevention of environmental impacts of foundation pit excavation