T/SHJX 008-2020 Shanghai Metro Subway Subgrade Construction Quality Acceptance Standard (Trial)

Scope

Main Technical Content: Foreword 1 General Provisions 2 Terminology 3 Basic Requirements 3.1 General Provisions 3.2 Division of Acceptance Units 3.3 Acceptance Content and Requirements 3.4 Acceptance Procedures and Organization 4 Engineering Materials 4.1 General Provisions 4.2 Ordinary Fill Materials 4.3 Physically Improved Soil Fill Materials 4.4 Chemically Improved Soil Fill Materials 4.5 Graded Stone Fill Materials 4.6 Sand, Stone, and Natural Soil Materials 4.7 Concrete and Mortar 4.8 Injection (Spray) Materials 4.9 Industrial Products such as Steel, Geotechnical Materials, and Lime 4.10 Precast Components and Spare Parts 5 Foundation Treatment 5.1 Original Surface Treatment 5.2 Replacement Fill 5.3 Pads 5.4 Bagged Sand Wells 5.5 Plastic Drainage Boards 5.6 Vacuum Preloading 5.7 Loaded Preloading 5.8 Mixed Soil Piles 5.9 Rotary Spray Piles 5.10 Omnidirectional High-Pressure Jetting (MJS) Piles 5.11 Bagged Grout Piles 5.12 Plain Concrete Piles 5.13 Precast Concrete Piles 5.14 Reinforced Concrete Cast-in-Place Piles 5.15 Support Beams (Bearing Plates) and Raft Structures 5.16 Pile Caps 5.17 Separation Layers 5.18 Cave Treatment 6 Subgrade Below Embankments 6.1 Ordinary Fill Materials and Physically Improved Soil Embankments 6.2 Chemically Improved Soil Embankments 6.3 Reinforced Soil Embankments 6.4 Embankments on Special Soil Bases 6.5 Embankment Slope Formation 7 Transition Sections Below Subgrade 7.1 Transition Section Base Treatment 7.2 Pit Backfilling 7.3 Transition Section Fill Layers and Conical Fills 7.4 Concrete Transition Layers 7.5 Embankment-Cutting Transition Layers 8 Subgrade 8.1 Subgrade Base Layer 8.2 Subgrade Surface Layer 9 Cuttings 9.1 Cutting Excavation 9.2 Cutting Base Layer 9.3 Cutting Surface Layer 10 Embankment Support Structures 10.1 Gravity Retaining Walls 10.2 Short Relief Plate Retaining Walls 10.3 Cantilever and Br

Development Information

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