1 Scope
2 Normative references
3 Terms and definitions
4 Information needed for the execution of the work
4.1 General
4.2 Particular requirements
5 Geotechnical investigation
5.1 General
5.2 Specific information
6 Materials and products
6.1 General
6.2 Special considerations
7 Considerations related to design
7.1 General
7.2 Additional design considerations
7.3 Selection of the binder and the additives
7.4 Laboratory and in-situ mixing and treatment tests
7.5 Design statement
8 Execution
8.1 Method statement
8.2 Preparation of the site
8.3 Field trials
8.4 Execution tolerances
8.4.1 General
8.5 Quality control and quality assurance
8.6 Deep mixing
8.6.1 General
8.6.2 Dry mixing
8.6.3 Wet mixing
8.7 Installation of structural reinforcement
9 Supervision, testing and monitoring
9.1 General
9.2 Supervision
9.3 Testing
9.4 Monitoring
9.5 Performance of the treated soil
9.6 Other aspects
10 Records
10.1 Records during construction
10.2 Records at the completion of the work
11 Special requirements
11.1 General
11.2 Safety
11.3 Environmental protection
11.4 Impact on adjacent structures
Annex A (informative) Practical aspects of deep mixing
A.1 Introduction
A.2 Fields of application
A.3 Execution
A.3.1 General
A.3.2 Dry mixing
A.3.3 Wet mixing
A.3.4 Patterns of installation
A.3.5 Hybrid methods
A.4 Construction considerations
Annex B (informative) Aspects of design
B.1 General
B.1.1 Scope
B.1.2 Application
B.2 Design principles
B.3 Execution process of deep mixing
B.4 Choice of binder
B.5 Testing
B.5.1 General
B.5.2 Laboratory testing
B.5.3 Field testing
B.6 Correlation of various properties of treated soil
B.6.1 Field strength and laboratory strength
B.6.2 Correlation between mechanical characteristics and
unconfined compressive strength
B.7 Aspects of design
B.7.1 Stability
B.7.2 Settlement
B.7.3 Confinement
Annex C (informative) Degree of obligation of the provision
Bibliography