Specifies minimum requirements for the design, calculation and testing of piled foundations for civil engineering and building structures, on land and immediate inshore locations.
Table of contents
Header
About this publication
PREFACE
FOREWORD
1 SCOPE AND GENERAL
1.1 SCOPE
1.2 APPLICATION
1.3 REFERENCED DOCUMENTS
1.4 DEFINITIONS
1.5 NOTATION
1.6 CLASSIFICATION OF PILES
1.6.1 General
1.6.2 Displacement piles
1.6.3 Non-displacement piles
1.6.3.1 General
1.6.3.2 Supported
1.6.3.3 Unsupported
1.6.4 Partial displacement, post-grouted and preloaded non-displacement piles
1.7 USE OF ALTERNATIVE MATERIALS OR METHODS
1.7.1 General
1.7.2 Existing structures
2 SITE INVESTIGATIONS
2.1 SITE INVESTIGATION
2.2 INFORMATION REQUIRED
3 DESIGN REQUIREMENTS AND PROCEDURES
3.1 AIM
3.2 DESIGN REQUIREMENTS
3.2.1 General
3.2.2 Design for ultimate strength
3.2.3 Design for serviceability
3.2.4 Design for durability
3.2.5 Design for other relevant requirements
3.3 LOADS AND LOAD COMBINATIONS FOR STRENGTH AND SERVICEABILITY DESIGN
3.3.1 Loads and other actions
3.3.1.1 General
3.3.1.2 Soil movement
3.3.1.3 Handling
3.3.1.4 Installation
3.3.2 Load combinations for strength design
3.3.3 Load combinations for serviceability design
4 GEOTECHNICAL DESIGN
4.1 SCOPE
4.2 GENERAL PRINCIPLES OF GEOTECHNICAL STRENGTH DESIGN
4.2.1 Design geotechnical strength
4.2.2 Assessment of geotechnical strength reduction factor (ϕg)
4.2.3 Assessment of ultimate geotechnical strength (Rug)
4.3 DETAILED DESIGN REQUIREMENTS FOR STRENGTH
4.3.1 Ultimate geotechnical strength in compression
4.3.2 Ultimate geotechnical strength in uplift
4.3.3 Ultimate geotechnical strength of a pile group in compression or uplift
4.3.3.1 General
4.3.3.2 End-bearing piles
4.3.3.3 Soft material at depth
4.3.4 Combined pile and raft footing
4.3.5 Negative friction
4.3.6 Soil swelling
4.3.7 Ultimate geotechnical strength for lateral loading
4.3.8 Cyclic loading
4.3.9 Dynamic loading
4.3.10 Earthquake loading
4.4 GENERAL PRINCIPLES OF GEOTECHNICAL DESIGN FOR SERVICEABILITY
4.4.1 Design actions
4.4.2 Design criteria
4.4.3 Deflection limits
4.4.4 Geotechnical parameters, for serviceability limit states
4.5 DETAILED DESIGN REQUIREMENTS FOR SERVICEABILITY
4.5.1 Deflection of a pile
4.5.2 Combined pile and raft footing
4.5.3 Settlement due to negative friction
4.5.4 Pile heave due to soil swelling
4.5.5 Deflection due to cyclic, dynamic and torsional or other loads
5 STRUCTURAL DESIGN
5.1 SCOPE
5.2 GENERAL PRINCIPLES OF STRUCTURAL STRENGTH DESIGN
5.2.1 Design structural strength
5.2.2 Design bending moment (M∗)
5.2.3 Buckling of a pile
5.2.4 Pile splice
5.3 CONCRETE AND GROUT PILES
5.3.1 General
5.3.2 Strength reduction factors—concrete piles
5.3.3 Strength reduction factors—grout piles
5.3.4 Reinforcement requirement
5.3.5 Partially reinforced pile
5.3.6 Unreinforced piles
5.3.7 Prestressed concrete pile
5.3.8 Lateral restraint of longitudinal reinforcement and tendons
