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Breakwaters and closure dams

Breakwaters and closure dams




H.J. Verhagen

Breakwaters and closure dams - 2nd edition
Breakwaters and closure dams belong to the most spectacular hydraulic structures. They are exposed to the most severe loading by waves and currents, either during their construction, or during their life cycle. Design and construction of these structures are that much inter-related that a proper understanding is not possible without a thorough knowledge of theory and a proper understanding of practical matters.
This book attempts to offer this combination to the graduate student. It starts with a description of the functional requirements, it discusses the relevant theory and shows the application of experience and theoretical knowledge to the design.
Contents: Introduction Positioning the subject The design process Considerations at system level Use of theory Data collection Stability of random placed rock mounds Dynamic stability Stability of monolithic breakwaters Wave-structure interaction Design practice of breakwater cross-sections Design practice for closure dams Construction methods for granular material Construction methods for monolithic structures Failure modes and optimization Flow development in closure gaps Review Appendices.
URL on this book: http://www.vssd.nl/hlf/f011.htm










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Introduction to bed, bank and shore protection

Introduction to bed, bank and shore protection




G.J. Schiereck

Introduction to bed, bank and shore protection

The interface of land and water has aIways played an important role in human activities. Settlements are often located at coasts, river-banks or deltas. Harbours, waterways, dikes, dunes and beaches, structures for water-control and water-resources management etc. are examples of hydraulic engineering on a macro-scale. In this book, the interface is studied on a micro-scale. The occurring phenomena are important in all branches of hydraulic engineering.

In a natural situation, the interface moves freely with the forces of erosion and sedimentation. Actually, nothing is wrong with erosion, until some interest is threatened. Erosion is somewhat like weed: as long as it is in nobodies way, no action is needed or even wanted. There should always be a balance between the efforts of protection against erosion and the damage that would occur otherwise.

Moreover, it should be realised that once a location is protected along a coast or riverbank that is eroded on a large scale, the protected part can induce extra erosion and in the end the whole coast or bank has to be protected. So, look before you leap, should be the motto.

In many cases however, a protection is necessary: bottom protection behind outlet structures or around objects, revetments in rivers and canals, dike protection, coastal defence works etc.

For additional exercises and software, see http://www.waterbouw.tudelft.nl/public/ct4310/

Contents

Introduction

Flow - Loads

Flow - Stability

Flow - Erosion

Porous Flow - General

Porous Flow - Filters

Waves - Loads

Waves - Erosion and stability

Ships

Dimensions

Protections

Environment

Construction

Appendic A: Materials

Appendix B: Examples.


http://www.vssd.nl/hlf/f007.htm










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Introduction to bed, bank and shore protection

Introduction to bed, bank and shore protection




Gerrit Jan Schiereck

Introduction to bed, bank and shore protection Engineering the interface of soil and water The interface of land and water has always played an important role in human activities; settlements are often located at coasts, river banks or deltas. When the interface consists of rock, erosion is usually negligible, but finer material can make protection necessary. In a natural situation, the interface moves freely with erosion and sedimentation. Nothing is actually wrong with erosion, unless certain interests are threatened. Erosion is somewhat like weed: as long as it does not harm any crop or other vegetation, no action is needed or even wanted. There should always be a balance between the effort to protect against erosion and the damage that would occur otherwise. Moreover, it should be kept in mind that, once a location is protected along a coast or riverbank that has eroded on a large scale, the protected part can induce extra erosion and in the end the whole coast or bank will have to be protected. So, look before you leap, should be the motto. A lot of cases remain where protection is useful. Along canals, rivers and estuaries, bank protection is often needed to withstand the loads caused by flow, waves or ships. Shore protection structures include seawalls, revetments, dikes and groynes. Bed protection is necessary where bottom erosion could endanger structures, like bridge piers, abutments, in- or outlet sluices or any other structures that let water pass through. Contents: 1. Introduction 2. Flow - Loads 3. Flow- Stability 4. Flow - Erosion 5. Porous Flow - General 6. Porous Flow - Filters 7. Waves - Loads 8. Waves - Erosion and stability 9. Ships 10. Dimensions 11. Protections 12. Environment 13. Construction Appendix A: Materials properties Appendix B: Examples Symbols References Index. Published by VSSD hardback version ISBN 978-90-6562-306-5 ebook version ISBN 978-90-6562-307-2 URL on this book: http://www.vssd.nl/hlf/f007.htm About the authors Gerrit Jan Schiereck graduated at Delft University of Technology in 1972 in hydraulic engineering. He started working for Rijkswaterstaat (the Dutch public works department, responsible for sea defence, river management, roads etc.) and was involved in many projects (e.g. Eastern Scheldt storm surge barrier, watermanagement Netherlands delta area, inland navigation). In 1992 he became associate professor in hydraulic engineering at Delft University until 2000 when he returned to Rijkswaterstaat. Henk Jan Verhagen graduated at Delft University of Technology in 1978. After working for Royal Boskalis Westminster he joined the Ministry of Public Works of the Netherlands and was involved for 10 years in consultancy for sea defences. In 1990 he started educating foreign students in Hydraulic Engineering at Unesco-IHE and is since 2000 associate professor at Delft University of Technology in coastal engineering. 








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Soil Mechanics

Soil Mechanics




A. Verruijt

Soil Mechanics
This book - a translation and update of the Durch version - is part of the
introductory course of Soil Mechanics in the Department of Civil Engineering
of the Delft University of Technology. It contains an introduction into the major
principles and methods of soil mechanics, such as the analysis of stresses,
deformations, and stability. The most important methods of determining soil
parameters, in the laboratory and in situ, are also described. Some basic
principles of applied mechanics that are frequently used are presented in
Appendices. The subdivision into chapters is such that one chapter can be
treated in a single lecture of 45 minutes, approximately.
Contents:
Preface
Part I Introduction 1 Introduction
Part II Soil and stresses 2 Classification 3 Soil exploration 4 Particles,
water, air 5 Stresses in soils 6 Stresses in a layer
Part III Groundwater and flow 7 The law of Darcy 8 Permeability 9
Groundwater flow 10 Floatation 11 Flow net 12 Flow towards well 
Part IV Stiffness and settlement 13 Stress-strain relations 14 Tangentmoduli
15 One-dimensional compression 16 Consolidation 17 Analytical
solution 18 Numerical solution 19 Consolidation coefficient 20 Secular
effect (creep)
Part V Strength and tests 21 Shear strength 22 Triaxial test 23 Dutch
cell test 24 Shear test 25 Pore pressures 26 Undrained behaviour 
27 Stress paths
Part VI Stress distributions 28 Elastic stresses and deformations 29
Boussinesq 30 Newmark 31 Flamant 32 Deformation of layered soil
33 Lateral stresses in soils 34 Rankine 35 Coulomb 36 Tables for
lateral earth pressure 37 Sheet pile walls 38 Blum's method 39 Sheet
pile wall in layered soil 
Part VII Shallow and pile foundations 40 Limit analysis 41 Strip footing
42 Prandtl's solution 43 Brinch Hansen 44 Pile foundations
Part VIII Slope and stability 45 Vertical slope in cohesive material 46
Stability of infinite slope 47 Slope stability 
Part IX Appendices A Stress analysis B Theory of elasticity C Theory
of plasticity D Model tests
Answers to problems Literature Index

URL about this book: http://www.vssd.nl/hlf/f033.htm








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The vertical motion of foundations and pontoons

The vertical motion of foundations and pontoons




G.F.J. Kruijtzer

This text collects the papers 'Vertical Vibration of Rigid Bodies on Deep Elastic Strata' and 'A Stoneley-Gibson-Varga Elastic Stratum' that have been published in the journal Heron (Volume 46, no. 1 (2001)). The first chapter offers a survey of the vertical motion of rigid bodies resting on deep elastic strata. Four strata are distinguished: deep water, the homogeneous isotropic elastic half-space, the water saturated homogeneous isotropic porous elastic half-space and the Gibson half-space. Four types of footings are considered: the strip, the circular disk and the embedded semi-cylinder and hemi-sphere. In particular attention has been given to the distinction between compressible and incompressible strata, and to the distinction between low and high frequency factors of the oscillatory motion. The second chapter provides a geometrically non-linear generalization of the Gibson soil. Some remarkable solutions concerning excavations and indented rigid punches are presented. The results provide a first approximation of the behaviour of foundations on real soils in the case of small soil strains. URL: http://www.vssd.nl/hlf/f016.htm








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Ports and terminals

Ports and terminals




H. Ligteringen

By nature port planning is a multidisciplinary activity. It involves expertise in the field of transport economics, shipping, nautical matters, safety and logistics, but also knowledge of waves and currents, sediment transport and coastal morphology, dredging and land reclamation, and design of breakwaters and quays. Hence port planning is teamwork and within this team the port planner plays a central role in developing the concepts and obtaining the required expertise at the right time. Most port planners are civil engineers with hydraulic engineering training and experience. In addition they need to have a basic understanding of the other disciplines involved, as well as creativity. This book is not just focused on the planning and design of very large ports and sophisticated terminals. Much of our experience related to smaller ports and ports in developing countries has been included in the book, thereby also referring to valuable sources such as the UNCTAD Handbook on Port Development. Ports and Terminals aims at guiding planners and designers of any type of port facility, all over the world. URL on this book: http://www.vssd.nl/hlf/f031.htm








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