T/ZZXJX 148-2022 Active Group standards

T/ZZXJX 148-2022 Excavation support and support technical regulations within the foundation pit

Publish Date: 2022-11-10 Implement Date: 2022-11-10 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 148-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

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

Publish Date: 2022-11-10

Implement Date: 2022-11-10

Scope

Main technical content: 1 Scope 2 Normative reference documents 3 Terms and definitions 4 Basic provisions 5 Internal support design 5.1 General provisions 5.2 Selection and layout 5.3 Structural calculation 5.4 Construction design 6 Construction of vertical internal supports 6.1 General provisions 6.2 Earthwork excavation 6.3 Material acceptance inspection 6.4 Installation of steel beam 6.5 Installation of steel supports 6.6 Construction of reinforced concrete internal support structures 6.7 Application of pre-stress 6.8 Installation of reverse braces 6.9 Removal of internal supports 7 Monitoring of internal supports 7.1 General provisions 7.2 Monitoring methods 7.3 Layout of monitoring points 7.4 Monitoring requirements 7.5 Processing of monitoring information 8 Acceptance of construction quality 8.1 Acceptance procedures and organization 8.2 Key control items 8.3 General items