Foreword
Section 1 - General
1.1 Scope
1.1.1 Scope of Eurocode 7
1.1.2 Scope of EN 1997-2
1.2 Normative references
1.3 Assumptions
1.4 Distinction between Principles and Application Rules
1.5 Definitions
1.5.1 Terms common to all Eurocodes
1.5.2 Terms common to Eurocode 7
1.5.3 Specific definitions used in EN 1997-2
1.6 Test results and derived values
1.7 The link between EN 1997-1 and EN 1997-2
Section 2 - Planning of ground investigations
2.1 Objectives
2.1.1 General
2.1.2 Ground
2.1.3 Construction materials
2.1.4 Groundwater
2.2 Sequence of ground investigations
2.3 Preliminary investigations
2.4 Design investigations
2.4.1 Field investigations
2.4.2 Laboratory tests
2.5 Controlling and monitoring
Section 3 - Soil and rock sampling and groundwater measurements
3.1 General
3.2 Sampling by drilling
3.3 Sampling by excavation
3.4 Soil sampling
3.4.1 Categories of sampling methods and laboratory
quality classes of samples
3.4.2 Soil identification
3.4.3 Planning of soil sampling
3.4.4 Handling, transport and storing of samples
3.5 Rock sampling
3.5.1 Categories of sampling methods
3.5.2 Rock identification
3.5.3 Planning of rock sampling
3.5.4 Handling, transport and storing of samples
3.6 Groundwater measurements in soils and rocks
3.6.1 General
3.6.2 Planning and execution of the measurements
3.6.3 Evaluation of results of groundwater measurements
Section 4 - Field tests in soil and rock
4.1 General
4.2 General requirements
4.2.1 Planning a specific test programme
4.2.2 Execution
4.2.3 Evaluation
4.3 Cone penetration and piezocone penetration tests (CPT, CPTU)
4.3.1 Objectives
4.3.2 Specific requirements
4.3.3 Evaluation of test results
4.3.4 Use of test results and derived values
4.4 Pressuremeter tests (PMT)
4.4.1 Objectives
4.4.2 Specific requirements
4.4.3 Evaluation of test results
4.4.4 Use of test results and derived values
4.5 Flexible dilatometer test (FDT)
4.5.1 Objectives
4.5.2 Specific requirements
4.5.3 Evaluation of test results
4.5.4 Use of test results and derived values
4.6 Standard penetration test (SPT)
4.6.1 Objectives
4.6.2 Specific requirements
4.6.3 Evaluation of test results
4.6.4 Use of test results and derived values
4.7 Dynamic probing tests (DP)
4.7.1 Objectives
4.7.2 Specific requirements
4.7.3 Evaluation of test results
4.7.4 Use of test results and derived values
4.8 Weight sounding test (WST)
4.8.1 Objectives
4.8.2 Specific requirements
4.8.3 Evaluation of test results
4.8.4 Use of test results and derived values
4.9 Field vane test (FVT)
4.9.1 Objectives
4.9.2 Specific requirements
4.9.3 Evaluation of test results
4.9.4 Use of test results and derived values
4.10 Flat dilatometer test (DMT)
4.10.1 Objectives
4.10.2 Specific requirements
4.10.3 Evaluation of test results
4.10.4 Use of test results and derived values
4.11 Plate loading test (PLT)
4.11.1 Objectives
4.11.2 Specific requirements
4.11.3 Evaluation of test results
4.11.4 Use of test results and derived values
Section 5 - Laboratory tests on soil and rock
5.1 General
5.2 General requirements for laboratory tests
5.2.1 General requirements
5.2.2 Procedures, equipment and presentation
5.2.3 Evaluation of test results
5.3 Preparation of soil specimens for testing
5.3.1 Objective
5.3.2 Requirements
5.4 Preparation of rock specimens for testing
5.4.1 Objective
5.4.2 Requirements
5.5 Tests for classification, identification and description
of soil
5.5.1 General
5.5.2 Requirements for all classification tests
5.5.3 Water content determination
5.5.4 Bulk density determination
5.5.5 Particle density determination
5.5.6 Particle size analysis
5.5.7 Consistency limits determination
5.5.8 Determination of the density index of granular soil
5.5.9 Soil dispersibility determination
5.5.10 Frost susceptibility
5.6 Chemical testing of soil and groundwater
5.6.1 Requirements for all chemical tests
5.6.2 Organic content determination
5.6.3 Carbonate content determination
5.6.4 Sulfate content determination
5.6.5 pH value determination (acidity and alkalinity)
5.6.6 Chloride content determination
5.7 Strength index testing of soil
5.7.1 Objective
5.7.2 Requirements
5.7.3 Use of test results
5.8 Strength testing of soil
5.8.1 Objective and scope
5.8.2 General requirements
5.8.3 Evaluation and use of test results
5.8.4 Unconfined compression test
5.8.5 Unconsolidated, undrained triaxial compression test
5.8.6 Consolidated triaxial compression test
5.8.7 Consolidated direct shear box tests
5.9 Compressibility and deformation testing of soil
5.9.1 General
5.9.2 Oedometer compressibility testing
5.9.3 Triaxial deformability testing
5.10 Compaction testing of soil
5.10.1 Scope
5.10.2 Compaction tests
5.10.3 California Bearing ratio (CBR) test
5.11 Permeability testing of soil
5.11.1 Objective
5.11.2 Requirements
5.11.3 Evaluation and use of test results
5.12 Tests for classification of rocks
5.12.1 General
5.12.2 Requirements for all classification tests
5.12.3 Rock identification and description
5.12.4 Water content determination
5.12.5 Density and porosity determination
5.13 Swelling testing of rock material
5.13.1 General
5.13.2 General requirements
5.13.3 Evaluation of test results
5.13.4 Swelling pressure index under zero volume change
5.13.5 Swelling strain index for radially-confined specimens
with axial surcharge
5.13.6 Swelling strain developed in unconfined rock specimen
5.14 Strength testing of rock material
5.14.1 General
5.14.2 Requirements for all strength tests
5.14.3 Evaluation of test results
5.14.4 Uniaxial compression and deformability test
5.14.5 Point load test
5.14.6 Direct shear test
5.14.7 Brazil test
5.14.8 Triaxial compression test
Section 6 - Ground investigation report
6.1 General requirements
6.2 Presentation of geotechnical information
6.3 Evaluation of geotechnical information
6.4 Establishment of derived values
Annex A (informative) - List of test results of geotechnical
test standards
Annex B (informative) - Planning of geotechnical investigations
Annex C (informative) - Example of groundwater pressure derivations
based on a model and long term measurements
Annex D (informative) - Cone and piezocone penetration tests
Annex E (informative) - Pressure meter test
Annex F (informative) - Standard penetration test
Annex G (informative) - Dynamic probing test
Annex H (informative) - Weight sounding test
Annex I (informative) - Field vane test
Annex J (informative) - Flat dilatometer test Example of correlations
between E[OED] and DMT results
Annex K (informative) - Plate loading test
Annex L (informative) - Detailed information on preparation of soil
specimens for testing
Annex M (informative) - Detailed information on tests for
classification, identification and description of soil
Annex N (informative) - Detailed information on chemical testing
of soil
Annex O (informative) - Detailed information on strength index
testing of soil
Annex P (informative) - Detailed information on strength testing
of soil
Annex Q (informative) - Detailed information on compressibility
testing of soil
Annex R (informative) - Detailed information on compaction testing
of soil
Annex S (informative) - Detailed information on permeability testing
of soil
Annex T (informative) - Preparation of specimen for testing on rock
material
Annex U (informative) - Classification testing of rock material
Annex V (informative) - Swelling testing of rock material
Annex W (informative) - Strength testing of rock material
Annex X (informative) - Bibliography