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BS EN 12699:2015 - TC Tracked Changes. Execution of special geotechnical works. Displacement piles, 2020
- Cross-references [Go to Page]
- Compliance with a British Standard does not of itselfcannot confer immunity from legal obligations.
- Summary of pages [Go to Page]
- Amendments issued since publication
- Execution of special geotechnical workworks - Displacement piles
- Foreword [Go to Page]
- 1 Scope
- 2 Normative references
- 3 Terms and definitions [Go to Page]
- 3.1
- 3.1
- 3.2
- 3.2
- 3.3
- 3.3
- 3.4
- pile made up of two or more types or sizes of piles joined together. The connection between the components is designed to transmit load and to prevent separation during and after construction. (= composite pile) See Figure A.8 of annex A
- 3.4
- Note 1 to entry: The connection between the components is designed to transmit axial load and bending and to prevent separation during and after construction. See Figure A.8.
- 3.5
- 3.5
- 3.6
- 3.6
- 3.7
- 3.7
- 3.8
- 3.8
- 3.9
- 3.9
- 3.10
- 3.10
- 3.11
- 3.11
- 3.12
- 3.12
- 3.13
- 3.13
- 3.14
- 3.14
- 3.15
- 3.15
- 3.16
- 3.16
- 3.17
- 3.17
- 3.18
- 3.18
- 3.19
- 3.19
- 3.20
- 3.20
- 3.21
- 3.21
- 3.22
- 3.22
- 3.23
- 3.23
- 3.24
- 3.24
- 3.25
- 3.25
- 3.26
- 3.26
- 3.27
- 3.27
- 3.28
- 3.28
- 3.29
- 3.29
- 3.30
- 3.30
- 3.31
- 3.32
- redrive (2) [Go to Page]
- 3.32
- 3.33 [Go to Page]
- 3.33
- 3.34
- 3.34
- 3.35
- 3.35
- 3.36
- 3.36
- 3.37
- 3.37
- 3.38
- 3.38
- 3.39
- 3.39
- 3.40
- 3.40
- 3.41
- 3.41
- 3.42
- 3.42
- 3.43
- 3.43
- 3.44
- 3.44
- 3.45
- 3.45
- 3.46
- sonic coring [Go to Page]
- 3.46
- 3.47
- working level [Go to Page]
- 3.47
- 3.48
- casting level [Go to Page]
- 3.48
- 3.49
- cut off level [Go to Page]
- 3.49
- 3.50
- 3.50
- 3.51
- pile top [Go to Page]
- 3.51
- 3.52
- pile head [Go to Page]
- 3.52
- 3.53
- pile shaft [Go to Page]
- 3.53
- 3.54
- 3.54
- 3.55
- 3.55
- 3.56
- 3.56
- 3.57
- 3.57
- 3.58
- 3.58
- 3.59
- second choice [Go to Page]
- 3.59
- 3.60 [Go to Page]
- 3.60
- 3.61
- 3.61
- 3.62
- 3.63
- 3.65
- 3.66
- 3.67
- 3.68
- 4 Information needed [Go to Page]
- 4 Information needed for the execution of the work [Go to Page]
- 4.1 General
- 4.2 Special features
- 5 Site investigation
- 5 Geotechnical investigation [Go to Page]
- 5.1 General
- 5.2 Specific requirements
- 6 Materials and products [Go to Page]
- 6.1 General
- 6.2 Prefabricated displacement piles [Go to Page]
- 6.2.1 Concrete piles
- 6.2.2 Steel Piles
- 6.2.3 Timber piles
- 6.2.4 Cast Iron piles [Go to Page]
- 6.5.2 Paints, coatings and other means of corrosion protection, or preservation products for piles, shall comply with the specifications in the design and be applied in accordance with the manufacturers instruction.
- 6 Materials and products [Go to Page]
- 6.1 General
- 6.2 Prefabricated displacement piles [Go to Page]
- 6.2.1 Concrete piles
- 6.2.2 Steel piles
- 6.2.3 Cast iron piles
- 6.2.4 Timber piles
- 6.3.1 Mortar and concrete
- 6.3.1.2 Aggregates
- 6.3.1.3 Cement contents
- 6.3.1.4 Water
- 6.3.1.5 Water/cement ratio
- 6.3.1.6 Admixtures
- 6.3.1.7 Fresh concrete
- 6.3.1.8 Production of concrete
- 6.3.1.9 Sampling and testing on site
- 6.3.2 Grout
- 6.3.3 Reinforcement
- 6.4 Coatings and corrosion protection compounds
- 7 Design related considerations [Go to Page]
- 7.4 Sequence of installation
- 7.5 Protection of piles
- 7.6 Needs for driving assistance
- 7.7 Design for impact driving of prefabricated elements [Go to Page]
- 7.7.1 General
- 7.7.2 Prefabricated concrete piles
- 7.7.3 Steel piles
- 7.7.4 Timber piles [Go to Page]
- 7.8 Specific design related considerations [Go to Page]
- 7.8.1 General
- 7.8.3 Pile shoe
- 7.8.4 Pile joint [Go to Page]
- 7.8.5 Pile enlargement
- 7.8.6 Spacing of piles
- 7.8.7 Combined piles
- 7 Considerations related to design [Go to Page]
- 7.1 General
- 7.2 Geometrical construction tolerances
- 7.3 Sequence of installation
- 7.4 Protection of piles
- 7.5 Needs for driving assistance
- 7.6 Design for impact driving of prefabricated piles [Go to Page]
- 7.6.1 General
- 7.6.2 Prefabricated concrete piles
- 7.6.3 Steel piles
- 7.6.4 Timber piles
- 7.7 Specific design related considerations [Go to Page]
- 7.7.1 General
- Table 1
- 7.7.3 Pile shoe
- 7.7.4 Pile joint
- 7.7.5 Pile enlargement
- 7.7.6 Spacing of piles
- 7.7.7 Combined piles
- 7.7.8 Screw piles
- 8 Execution [Go to Page]
- 8.1 General
- 8.2 Construction tolerances
- 8.28.3 Site preparation
- 8.4 Sequence of installation
- 8.38.5 Equipment and Methods [Go to Page]
- 8.3.18.5.1 General
- 8.3.28.5.2 Impact hammer
- 8.3.38.5.3 Vibrating hammer
- 8.3.48.5.4 Equipment for screw piles
- 8.3.58.5.5 Equipment for jacked piles
- 8.3.68.5.6 Auxiliary equipment
- 8.3.78.5.7 Drive tube
- 8.48.6 Prefabricated piles [Go to Page]
- 8.4.18.6.1 General
- 8.4.28.6.2 Prefabricated concrete piles
- 8.4.38.6.3 Steel piles
- Table 2 — Guidance on welding, testing and inspection, minimum criteria for piles and pile details in structural steels
- Table 1 — Welding testing and inspection c riteria for piles and pile details in structural steels [Go to Page]
- 8.4.48.6.4 Timber piles
- 8.4.58.6.5 Combined piles
- 8.5.18.7.1 General
- 8.5.28.7.2 Temporary cased piles
- 8.5.2.58.7.2.5 Concreting
- 8.5.38.7.3 Permanently cased piles
- 8.68.8 Grouted displacement piles [Go to Page]
- 8.6.18.8.1 Grouting during driving
- 8.6.28.8.2 Grouting after driving
- 8.78.9 Trimming of concrete piles
- 8.8 Additional methods for special cases
- 8.10 Driving assistance methods
- 8.8.1 Driving assistance methods [Go to Page]
- 8.8.28.11 Ground movement limiting methods
- 8.8.3 Working from floating platform [Go to Page]
- 9 Supervision, monitoring and testing [Go to Page]
- 9.1 Supervision
- 9.2 Monitoring of pile construction
- 9.3 Pile testing [Go to Page]
- 9.3.1 General
- Table 3 — Application of some test procedures
- 9.3.59.3.2 Pile load tests
- 9.3.3 Integrity tests
- 10 Records
- 10 Records [Go to Page]
- Table 24
- Table 35
- 11 Specific requirements
- 11 Special requirements
- 11.2 Safety
- 11.3 Noise and vibration hindrance
- 11.4 Environmental damage (pollution)
- 11.4.3
- 11.5 Impact on the surrounding structures and slopes
- Annex A [Go to Page]
- (informative)
- Bibliography
- 30280741.pdf [Go to Page]
- Contents Page
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Information needed for the execution of the work [Go to Page]
- 4.1 General
- 4.2 Special features
- 5 Geotechnical investigation [Go to Page]
- 5.1 General
- 5.2 Specific requirements
- 6 Materials and products [Go to Page]
- 6.1 General
- 6.2 Prefabricated displacement piles [Go to Page]
- 6.2.1 Concrete piles
- 6.2.2 Steel piles
- 6.2.3 Cast iron piles
- 6.2.4 Timber piles
- 6.3 Cast in situ displacement piles [Go to Page]
- 6.3.1 Mortar and concrete [Go to Page]
- 6.3.1.1 General
- 6.3.1.2 Aggregates
- 6.3.1.3 Cement contents
- 6.3.1.4 Water
- 6.3.1.5 Water/cement ratio
- 6.3.1.6 Admixtures
- 6.3.1.7 Fresh concrete
- 6.3.1.8 Production of concrete
- 6.3.1.9 Sampling and testing on site
- 6.3.2 Grout
- 6.3.3 Reinforcement
- 6.4 Coatings and corrosion protection compounds
- 7 Considerations related to design [Go to Page]
- 7.1 General
- 7.2 Geometrical construction tolerances
- 7.3 Sequence of installation
- 7.4 Protection of piles
- 7.5 Needs for driving assistance
- 7.6 Design for impact driving of prefabricated piles [Go to Page]
- 7.6.1 General
- 7.6.2 Prefabricated concrete piles
- 7.6.3 Steel piles
- 7.6.4 Timber piles
- 7.7 Specific design related considerations [Go to Page]
- 7.7.1 General
- 7.7.2 Reinforcement of cast in situ piles
- Table 1 [Go to Page]
- 7.7.3 Pile shoe
- 7.7.4 Pile joint
- 7.7.5 Pile enlargement
- 7.7.6 Spacing of piles
- 7.7.7 Combined piles
- 7.7.8 Screw piles
- 8 Execution [Go to Page]
- 8.1 General
- 8.2 Construction tolerances
- 8.3 Site preparation
- 8.4 Sequence of installation
- 8.5 Equipment and Methods [Go to Page]
- 8.5.1 General
- 8.5.2 Impact hammer
- 8.5.3 Vibrating hammer
- 8.5.4 Equipment for screw piles
- 8.5.5 Equipment for jacked piles
- 8.5.6 Auxiliary equipment
- 8.5.7 Drive tube
- 8.6 Prefabricated piles [Go to Page]
- 8.6.1 General
- 8.6.2 Prefabricated concrete piles
- 8.6.3 Steel piles
- Table 2 — Guidance on welding, testing and inspection, minimum criteria for piles and pile details in structural steels [Go to Page]
- 8.6.4 Timber piles
- 8.6.5 Combined piles
- 8.7 Cast in situ piles [Go to Page]
- 8.7.1 General
- Figure 1 — Minimum distance between fresh piles (centre to centre) without permanent casing in soft soil [Go to Page]
- 8.7.2 Temporary cased piles
- 8.7.3 Permanently cased piles
- 8.8 Grouted piles [Go to Page]
- 8.8.1 Grouting during driving
- 8.8.2 Grouting after driving
- 8.9 Trimming of concrete piles
- 8.10 Driving assistance methods
- 8.11 Ground movement limiting methods
- 8.12 Cast in situ base enlargements
- 9 Supervision, monitoring and testing [Go to Page]
- 9.1 Supervision
- 9.2 Monitoring of pile construction
- 9.3 Pile testing [Go to Page]
- 9.3.1 General
- Table 3 — Application of some test procedures [Go to Page]
- 9.3.2 Pile load tests
- 9.3.3 Integrity tests
- 10 Records
- Table 4
- Table 5
- 11 Special requirements
- Annex A (informative) Classification and examples
- Figure A.1 — Family tree chart for displacement piles
- Figure A.2 — Examples of shafts and bases of displacement piles
- Figure A.3 — Examples of cross sections for displacement piles
- Figure A.4 — Examples for toe protection for prefabricated displacement piles
- Figure A.5 — Examples of construction of cast in place displacement piles
- Figure A.6 — Example of piling rig with impact hammer
- Figure A.7 — Example of mechanical joint for prefabricated concrete displacement piles
- Figure A.8 — Example of combined pile
- Figure A.9 — Examples of joint in squared timber pile
- Figure A.10 — Example of tool for screw pile
- Figure A.11
- Figure A.12 — Example of post grouted pile
- Figure A.13 — Displacement piles, terms and levels
- Annex B (informative) Guidance on minimum cover (in mm) for bearing element of low strength steel for cast in situ displacement piles
- Table B.1
- Annex C (informative) Degree of obligation of the provisions
- Bibliography [Go to Page]