T/ZZXJX 286-2023 Active Group standards

T/ZZXJX 286-2023 Mountainous road subgrade engineering semi-excavation and semi-backfill construction technical specification

Publish Date: 2023-12-21 Implement Date: 2023-12-21 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 286-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Integrated Road Engineering

Publish Date: 2023-12-21

Implement Date: 2023-12-21

Scope

Main technical content: 1 Scope 2 Normative reference documents 3 Terms and definitions 4 Subgrade design 4.1 General provisions 4.2 Embankment subgrades 4.3 Excavated subgrades 4.4 Interface between filling and excavation 5 Construction preparation 5.1 General provisions 5.2 Technical preparation 5.3 Material preparation 5.4 Machinery and equipment 5.5 Construction measurement 5.6 Surface treatment 6 Subgrade construction 6.1 General provisions 6.2 Embankment subgrades 6.3 Excavated subgrades 6.4 Interface between filling and excavation 7 Seasonal construction 7.1 General provisions 7.2 Winter construction 7.3 Rainy season construction