1.0.1 This code is formulated in order to strengthen tunnelling works construction management with shield tunnelling method, unify construction technique and quality acceptance standard of shield tunnelling works and ensure works safety, environment safety and works quality of construction process.
1.0.2 This code is applicable to the construction and quality acceptance of prefabricated segment assembly tunnelling structure with shield tunnelling method construction.
1.0.3 The shield indicated in this code shall include soil-pressure balance shield, muddy water shield and compound shield.
1.0.4 The requirements for construction and quality in contract and technical documents of shield tunnelling method tunnelling works shall not be less than those specified in this code.
1.0.5 During construction period of shield tunnelling method tunnelling works, the adjacent building (structure) and underground pipe network shall be monitored; the important building (structure) or with special protection requirements shall be adopted with necessary technical measures as required.
1.0.6 The construction and acceptance for the shield tunnelling method tunnelling works shall not only comply with this code but also comply with those in the national current relevant standards.
1 General Provisions
2 Terms
3 Basic Requirements
4 Construction Preparation
4.1 General Provisions
4.2 Primary Stage Investigation
4.3 Technical Preparation
4.4 Preparation of Equipment and Facilities
4.5 Working Shaft
5 Construction Survey
5.1 General Requirements
5.2 Ground Control Survey
5.3 Connection Survey
5.4 Underground Control Survey
5.5 Tunnelling Construction Survey
5.6 Penetration Survey
5.7 Final Survey
6 Segment Manufacture
6.1 General Requirements
6.2 Preparation Work
6.3 Requirements of Raw Materials
6.4 Reinforced Concrete Segment Mould
6.5 Reinforcement
6.6 Concrete
6.7 Reinforced Concrete Segment
6.8 Storage and Transport of Reinforced Concrete Segment
6.9 Steel Segment
7 Shield Tunnelling Construction
7.1 General Requirements
7.2 Assembly and Debugging of Shield
7.3 Field Acceptance of Shield
7.4 Shield Launching
7.5 Soil Pressure Balance Shield Tunnelling
7.6 Muddy Water Balance Shield Tunnelling
7.7 Compound Shield Tunnelling
7.8 Position and Stance Control of Shield
7.9 Tool Replacement
7.10 Shield Arrival
7.11 Turn Back and Station-crossing of Shield
7.12 Shield Colony
8 Construction of Special Section
8.1 General Requirements
8.2 Construction Measures of Special Section
9 Segment Assembly
9.1 General Requirements
9.2 Preparation before Assembly
9.3 Assembly Operation
9.4 Quality Control of Segment Assembly
9.5 Segment Repair
10 Back-fillgrouting
10.1 General Requirements
10.2 Selection of Grouting Parameters
10.3 Preparation before Grouting
10.4 Grouting Operation
11 Waterproof Protection of Tunnel
11.1 General Requirements
11.2 Waterproof Protection of Joint
11.3 Waterproof Protection of Special Position
12 Construction safety, Sanitation and Environmental Protection
13 Curing and Maintenance of Shield
14 Tunnel Construction Transport
14.1 General Requirements
14.2 Horizontal Transport
14.3 Vertical Lifting
14.4 Pipeline Transport
15 Monitoring Measurement
15.1 General Requirements
15.2 Monitoring Measurement of Tunnel Environment
15.3 Monitoring Measurement of Tunnel Structure
15.4 Data Processing and Information Feedback
16 Acceptance of Reinforced Concrete Segment
17 Acceptance of Formed Tunnel
Explanation of Wording in this Code
