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Full Description
This book assembles the practical rules and details for the efficient and economical execution of deep excavations. It draws together a wealth of experience of both design and construction from published work and the lifetime practice of the author.
This second edition is extensively revised to include changes in design emphasis including those due to Eurocode 7 and descriptions of the latest equipment, construction techniques and geotechnical processes. Additional details include those of the latest piling and diaphragm wall equipment and innovations in top-down construction applied to basements and cut-and-cover works. The section on caissons has been expanded to include design methods.
The successful conceptual design of temporary and permanent works for the support of deep excavations requires both freshness of ideas and experience of similar construction. The purpose of this book is to present varied international examples in sufficient detail to allow this to succeed.
Contents
Preface
Conversion factors
1. Introduction
- Safety and avoidance of damage
- Construction regulations: safety
- Contractual responsibility: client, engineer and contractor
- Causes of failure in deep excavations
- Risk evaluation
- Risk management
- Party walls
- References
- Bibliography
2. The Control of Groundwater
- Groundwater problems
- Available methods of groundwater control
- Design of dewatering systems
- References
- Bibliography
3. Open Excavation
- Battered excavations
- Improving the stability of slopes
- Reinforced soil
- Soil retention: further wall constructions
- References
- Bibliography
4. Vertical Soil Support: Wall Construction
- Options for sheeting and walling
- Plate and anchor wall by underpinning
- Vertical soldiers and horizontal lagging, king post method
- Sheet piling
- Contiguous bored piling
- Secant piles
- Diaphragm walls
- Soldier pile tremie concrete (SPTC) method
- Construction economics
- References
- Bibliography
5. Design Of Soil Support
- Earth pressures: limiting horizontal pressure
- Tension cracks
- Softening clays
- Wall friction and wall adhesion
- Magnitude of movement needed to mobilize limit pressures
- Wall flexibility
- Surcharge loads
- Wall movement
- Design calculation according to Eurocode 7
- Temporary works
- Mixed total and effective stress design
- Design water pressures
- Design methodology
- Cantilever walls and single-prop walls
- Multi-prop walls
- Other design considerations
- References
- Bibliography
6. Cofferdam Construction
- Design and construction responsibilities
- Types of cofferdam
- Sheeted cofferdams
- Double-skin cofferdams
- Gravity type cofferdams
- References
- Bibliography
7. Cofferdam Design
- Braced sheeted cofferdmas
- Double-wall cofferdams
- Cellular cofferdams
- Gravity cofferdams
- References
- Bibliography
8. Basement Construction and Design
- Engineering an excavation
- Construction methods for soil support
- Water-resisting basement construction
- Progressive development of construction methods for deep basements
- Peripheral sheeting or walling
- Overall stability: design for uplift
- Construction economics
- References
- Bibliography
9. Cut and Cover Construction
- Introduction
- Choice of wall system
- Overall stability: design for uplift
- References
- Bibliography
10. Shafts and Caissons: Construction and Design
- Shafts for civil engineering purposes
- Caissons
- References
- Bibliography
11. Soil Movement Due To Deep Excavations
- Introduction
- Factors that influence soil movement
- Measuring techniques and their accuracy
- Measures to reduce soil movement at the curtilage of a deep excavation
- Methods of predicting soil movement
- Building response to ground displacement
- Measures to alleviate the effects of settlement
- References
- Bibliography
Appendix
Selection of typical soil parameters and correlations for initial design purposes
Index
