T/ZZXJX 257-2022 Active Group standards

T/ZZXJX 257-2022 Construction base static water pressure control technical specification

Publish Date: 2022-12-30 Implement Date: 2022-12-30 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 257-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

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

Publish Date: 2022-12-30

Implement Date: 2022-12-30

Scope

Main technical content: 1 Scope 2 Normative reference documents 3 Terms and definitions 4 Materials 5.1 General provisions 5.2 System design 5.3 Calculation of base fixation seepage pressure, groundwater infiltration volume, and stratum stress balance 6 Construction control of hydrostatic pressure in building bases 6.1 General provisions 6.2 Hydrostatic pressure release layer 6.3 Hydrostatic pressure release band 6.4 Hydrostatic pressure release pipe 7 Quality acceptance 7.1 General provisions 7.2 Main control items of hydrostatic pressure release layer (band) 7.3 Main control items of hydrostatic pressure release pipe 7.4 General items of hydrostatic pressure release layer (band) 7.5 General items of hydrostatic pressure release pipe