T/SHJX 007-2020 Active Group standards

T/SHJX 007-2020 Shanghai Metro Subway Subgrade Construction Technical Specification (Trial Version)

Publish Date: 2020-09-22 Implement Date: 2021-01-01 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/SHJX 007-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: \nTransportation Engineering

ICS Name: Integrated Railway Engineering

Publish Date: 2020-09-22

Implement Date: 2021-01-01

Scope

Main Technical Content: Preface 1 General Provisions 2 Terminology 3 Basic Requirements 4 Construction Preparation 4.1 General Provisions 4.2 Construction Survey 4.3 Verification of Design Documents 4.4 Construction Organization Design 4.5 Construction Plan 4.6 Construction Work Instructions 4.7 Technical Disclosure for Construction 4.8 Temporary Works 4.9 Evaluation of First-stage Works 5 Foundation Treatment 5.1 General Provisions 5.2 Treatment of Existing Surface 5.3 Replacement Filling 5.4 Sand (Gravel) Cushion Layer 5.5 Geosynthetic Reinforced Cushion Layer 5.6 Bagged Sand Wells 5.7 Plastic Drainage Boards 5.8 Vacuum Preloading 5.9 Loaded Preloading 5.10 Mixing Piles 5.11 Rotary Jetting Piles 5.12 Omnidirectional High-pressure Spray Grouting (MJS) Piles 5.13 Bagged Grouting Piles 5.14 Cement-Flyash-Stone (CFG) Piles and Plain Concrete Piles 5.15 Precast Concrete Piles 5.16 Reinforced Concrete Cast-in-place Piles 5.17 Pile Caps 5.18 Pile-Slab Structures 5.19 Raft Foundation 5.20 Cave Treatment 6 Filling Material Preparation 6.1 General Provisions 6.2 Preparation of Ordinary Filling Materials and Physically Improved Soils 6.3 Preparation of Chemically Improved Soils 6.4 Graded Stone and Graded Gravel Layer 7 Embankments 7.1 General Provisions 7.2 Filling Process Test 7.3 Filling of Embankments Below the Base 7.4 Filling of the Base Layer 7.5 Filling of the Surface Layer of the Base 7.6 Filling with Improved Soils 7.7 Filling with Reinforced Soils 7.8 Shaping of Embankment Slope 8 Cuttings 8.1 General Provisions 8.2 Mechanical Excavation 8.3 Cutting Base 8.4 Half-Filling and Half-Excavating Roadbed 8.5 Underground Water Cuttings 9. Transition Sections 9.1 General Provisions 9.2 Transition between Embankment and Bridge Pier 9.3 Transition between Embankment and Horizontal Structures 9.4 Transition between Embankment and Cuttings 9.5 Other Transi