Deep Excavations

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