Cover -- Title page -- Inhaltsverzeichnis -- Members of the AK 2.1 Piling Committee of the German Geotechnical Society -- Preface of the English Version of the Recommendations of the Piling Committee of the German Geotechnical Society -- Preface of the 2nd German edition -- 1 Introduction to the Recommendations and their Application Principles -- 1.1 National and International Regulations for Piling Works -- 1.2 Types of Analysis and Limit States using the Partial Safety Factor Approach -- 1.2.1 New standards generation and their application to pile foundations -- 1.2.2 Actions, effects and resistances -- 1.2.3 Limit states and national application of the EC 7-1 German Handbook -- 1.2.4 Transitional regulations for applying of the Recommendations on Piling in conjunction with the EC 7-1 German Handbook -- 1.3 Planning and Testing Pile Foundations -- 2 Pile Systems -- 2.1 Overview and Classification into Pile Systems -- 2.2 Pile Construction -- 2.2.1 Bored piles -- 2.2.1.1 Cased bored piles -- 2.2.1.2 Unsupported excavations -- 2.2.1.3 Fluid-supported excavations -- 2.2.1.4 Soil-supported, continuous flight auger bored piles -- 2.2.1.5 Soil-supported, partial flight auger bored piles -- 2.2.1.6 Bored piles with enlarged bases -- 2.2.1.7 Diaphragm wall elements/barettes -- 2.2.2 Prefabricated driven piles -- 2.2.2.1 Introduction -- 2.2.2.2 Precast driven concrete piles -- 2.2.2.3 Prefabricated driven steel and cast-iron piles -- 2.2.2.4 Prefabricated driven timber piles -- 2.2.3 Cast-in-place concrete piles -- 2.2.3.1 Cast-in-place concrete piles with internal driving tube (Franki pile) -- 2.2.3.2 Cast-in-place top-driven piles (e.g. Simplex piles) -- 2.2.4 Screw piles (full displacement bored piles) -- 2.2.4.1 Introduction -- 2.2.4.2 Atlas piles -- 2.2.4.3 Fundex piles -- 2.2.5 Grouted displacement piles -- 2.2.5.1 Pressure-grouted piles.

2.2.5.2 Vibro-injection piles -- 2.2.6 Micropiles -- 2.2.7 Tubular grouted piles -- 2.3 Foundation elements similar to piles -- 3 Pile Foundation Design and Analysis Principles -- 3.1 Pile Foundation Systems -- 3.1.1 Single pile solutions -- 3.1.2 Pile grillages -- 3.1.3 Pile groups -- 3.1.4 Piled raft foundations -- 3.2 Geotechnical Investigations for Pile Foundations -- 3.3 Classification of Soils for Pile Foundations -- 3.4 Pile Systems for the Execution of Excavations and for Retaining Structures -- 3.4.1 General -- 3.4.2 Pile configurations -- 3.4.3 Pile systems and special execution requirements -- 3.4.4 Design -- 3.4.5 Reinforcement -- 3.4.6 Concrete -- 3.4.7 Impermeability of bored pile walls -- 3.5 Piles for the Stabilisation of Slopes -- 3.6 Use of sacrificial Linings -- 4 Actions and Effects -- 4.1 Introduction -- 4.2 Pile Foundation Loads Imposed by the Structure -- 4.3 Installation Effects on Piles -- 4.4 Negative Skin Friction -- 4.4.1 Introduction -- 4.4.2 Determination of the characteristic action from negative skin friction -- 4.4.3 Determination of the design values of actions or effects and method of verification -- 4.4.4 Skin friction as a result of heave in the vicinity of the pile -- 4.5 Lateral Pressure -- 4.5.1 Introduction -- 4.5.2 Necessity for design of piles for lateral pressure -- 4.5.3 Determination of the characteristic action from flow pressure -- 4.5.4 Determination of the characteristic action from the resulting earth pressure -- 4.5.5 Influences of distance and minimum moments -- 4.5.6 Effects on piles -- 4.6 Additional Effects on Raking Piles Resulting from Ground Deformations -- 4.6.1 Introduction -- 4.6.2 Surcharges resulting from anchoring steel and micropiles -- 4.7 Foundation Piles in Slopes and at Retaining Structures -- 4.7.1 Foundation piles in slopes -- 4.7.2 Foundation piles at retaining structures.

5 Bearing Capacity and Resistances of Single Piles -- 5.1 General -- 5.2 Determining Pile Resistances from Static Pile Load Tests -- 5.2.1 General -- 5.2.2 Characteristic pile resistances in the ultimate limit state -- 5.2.3 Characteristic pile resistances in the serviceability limit state -- 5.3 Determining Pile Resistances from Dynamic Pile Load Tests -- 5.4 Axial Pile Resistances Based on Empirical Data -- 5.4.1 General -- 5.4.2 Guidance for the application -- 5.4.3 Application principles and limitations of tabled data -- 5.4.4 Prefabricated driven piles -- 5.4.4.1 General -- 5.4.4.2 Empirical values of base resistance and skin friction of prefabricated driven piles -- 5.4.4.3 Empirical data on the bearing capacity of open-ended steel tubes and hollow boxes -- 5.4.4.4 Experience with prefabricated piles in rock and very dense or cemented soils -- 5.4.5 Cast-in-place concrete piles -- 5.4.5.1 General -- 5.4.5.2 Empirical values of base resistance and skin friction of Simplex piles -- 5.4.5.3 Empirical values of base resistance and skin friction of Franki piles -- 5.4.6 Bored piles -- 5.4.6.1 General -- 5.4.6.2 Empirical values of base resistance and skin friction of bored piles -- 5.4.6.3 Empirical data for base resistance and skin friction of piles in rock and cemented soils -- 5.4.6.4 Diaphragm wall elements (barettes) -- 5.4.6.5 Bored pile walls and diaphragm walls -- 5.4.7 Partial displacement piles -- 5.4.8 Screw piles -- 5.4.8.1 General -- 5.4.8.2 Empirical values of base resistance and skin friction of screw piles -- 5.4.9 Grouted displacement piles and micropiles -- 5.4.9.1 General -- 5.4.9.2 Empirical values of skin friction of pressure-grouted piles -- 5.4.9.3 Empirical values of skin friction of vibro-injection piles -- 5.4.9.4 Empirical values of skin friction of grouted micropiles.

5.4.9.5 Empirical values of skin friction in tubular grouted piles -- 5.4.9.6 Bond stress in grouted displacement piles -- 5.4.10 Applying the empirical data to tension piles -- 5.5 Bored Piles with Enlarged Bases -- 5.6 Additional Methods Using the EC 7-1 and EC 7-2 Handbooks -- 5.7 Pile Resistances for Grouted Shafts and Bases -- 5.8 Resistances of Piles Under Lateral Loads -- 5.9 Pile Resistances Under Dynamic Actions -- 5.10 Internal Pile Capacity -- 5.10.1 General -- 5.10.2 Allowable cross-section stresses -- 5.10.3 Resistance of piles against buckling failure in soil strata with low lateral support, and buckling analysis -- 5.11 Numerical Analyses of the Capacity of Single Piles -- 6 Stability Analyses -- 6.1 Introduction -- 6.2 Limit State Equations -- 6.3 Bearing Capacity Analysis -- 6.3.1 Axially loaded piles -- 6.3.2 Laterally loaded piles -- 6.3.3 Structural failure in piles -- 6.4 Serviceability Analysies -- 6.4.1 Axially loaded piles -- 6.4.2 Laterally loaded piles -- 6.5 Pile Groups and Grillages -- 6.6 Piled Raft Foundations -- 7 Grillage Analysis -- 7.1 Analysis Models and Procedures -- 7.2 Non-linear Pile Bearing Behaviour in Grillage Analysis -- 8 Analysis and Verification of Pile Groups -- 8.1 Actions and Effects -- 8.1.1 Compression pile groups -- 8.1.2 Tension pile groups -- 8.1.3 Laterally loaded pile groups -- 8.2 Bearing Capacity and Resistances of Pile Groups -- 8.2.1 Compression pile groups -- 8.2.1.1 Introduction -- 8.2.1.2 Group effect in terms of the settlements of bored pile groups -- 8.2.1.3 Resistances in (bored) group piles -- 8.2.1.4 Displacement pile groups -- 8.2.1.5 Micropile groups -- 8.2.1.6 Layered ground -- 8.2.2 Tension pile groups -- 8.2.3 Laterally loaded groups -- 8.3 Bearing Capacity Analyses -- 8.3.1 Compression pile groups -- 8.3.1.1 External capacity.

8.3.1.2 Structural analyses of the pile capping slab -- 8.3.2 Tension pile groups -- 8.3.2.1 Introduction -- 8.3.2.2 Analysis of the attached soil block in the UPL limit state -- 8.3.2.3 Analysis of the capacity of a single tension pile in the GEO-2 limit state -- 8.3.3 Structural failure of group piles and pile cap structures -- 8.4 Serviceability Analyses -- 8.4.1 Compression pile groups -- 8.4.2 Tension pile groups -- 8.4.3 Laterally loaded pile groups -- 8.5 Higher Accuracy Pile Group Analyses -- 9 Static Pile Load Tests -- 9.1 Introduction -- 9.2 Static Axial Pile Load Tests -- 9.2.1 Installation of test piles -- 9.2.2 Test planning -- 9.2.2.1 General notes -- 9.2.2.2 Number of test piles -- 9.2.2.3 Test load -- 9.2.2.4 Principles for the instrumentation -- 9.2.2.5 Special load situations -- 9.2.3 Loading systems -- 9.2.3.1 Introduction -- 9.2.3.2 Reaction systems -- 9.2.3.3 Hydraulic jacks -- 9.2.3.4 Embedded hydraulic jacks -- 9.2.3.5 Pile head -- 9.2.4 Instrumentation and monitoring -- 9.2.4.1 Displacement measurements -- 9.2.4.2 Load measurement at the pile head -- 9.2.4.3 Pile base resistance -- 9.2.4.3 Pile shaft resistance -- 9.2.4.5 Special instrumentation for tests with embedded hydraulic jacks -- 9.2.4.6 Pile cross-sectional area and deformation properties -- 9.2.4.7 Protection of monitoring instruments -- 9.2.5 Testing procedure -- 9.2.5.1 Load steps and loading rates -- 9.2.5.2 Monitoring intervals -- 9.2.5.3 Records -- 9.2.6 Evaluation -- 9.2.7 Documentation and reports -- 9.2.7.1 Introduction -- 9.2.7.2 Test report -- 9.2.7.3 Interpretative report -- 9.3 Static Lateral Load Test -- 9.3.1 Introduction -- 9.3.2 Installation of test piles -- 9.3.3 Test planning -- 9.3.3.1 General notes -- 9.3.3.2 Number of test piles -- 9.3.3.3 Test load -- 9.3.3.4 Ground investigations -- 9.3.3.5 Principles for the instrumentation.

9.3.3.6 Load situations.