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Books > Professional & Technical > Civil engineering, surveying & building > Structural engineering > General
This book contains general recommendations for site clearing after man-made and natural disasters. It provides guidelines on the demolition of damaged structures and the reuse of demolition and construction materials. It has been prepared by an international task force originating from cooperation between RILEM and UNESCO. The book provides guidance for professionals and organizations on this increasingly important subject of disaster planning.
Recently, a new research stimulus has derived from the observation that soft structures, such as biological systems, but also rubber and gel, may work in a post critical regime, where elastic elements are subject to extreme deformations, though still exhibiting excellent mechanical performances. This is the realm of 'extreme mechanics', to which this book is addressed. The possibility of exploiting highly deformable structures opens new and unexpected technological possibilities. In particular, the challenge is the design of deformable and bi-stable mechanisms which can reach superior mechanical performances and can have a strong impact on several high-tech applications, including stretchable electronics, nanotube serpentines, deployable structures for aerospace engineering, cable deployment in the ocean, but also sensors and flexible actuators and vibration absorbers. Readers are introduced to a variety of interrelated topics involving the mechanics of extremely deformable structures, with emphasis on bifurcation, instability and nonlinear behavior, both in the quasi-static and dynamic regimes. Essential and up-to-date theoretical, numerical and experimental methodologies are covered, as a tool to progress towards a satisfactory modeling of the nonlinear behavior of structures.
This book presents computational tools and design principles for piles used in a wide range of applications and for different loading conditions. The chapters provide a mixture of basic engineering solutions and latest research findings in a balanced manner. The chapters are written by world-renowned experts in the field. The materials are presented in a unified manner based on both simplified and rigorous numerical methods. The first four chapters present the basic elements and steps in analysis of piles under static and cyclic loading together with clear references to the appropriate design regulations in Eurocode 7 when relevant. The analysis techniques cover conventional code-based methods, solutions based on pile-soil interaction springs, and advanced 3D finite element methods. The applications range from conventional piles to large circular steel piles used as anchors or monopiles in offshore applications. Chapters 5 to 10 are devoted to dynamic and earthquake analyses and design. These chapters cover a range of solutions from dynamic pile-soil springs to elasto-dynamic solutions of large pile groups. Both linear and nonlinear soil behaviours are considered along with response due to dynamic loads and earthquake shaking including possible liquefaction. The book is unique in its unified treatment of the solutions used for static and dynamic analysis of piles with practical examples of application. The book is considered a valuable tool for practicing engineers, graduate students and researchers.
It brings together, in a concise format, the key elements of the
loads produced from explosive sources, how they interact with
structures and the way structures respond to them. Explosive
sources include gas, high explosives, dust and nuclear
materials.
This book forms the Proceedings of the International Seminar held by the Institution of Structural Engineers and the Building Research Establishment in Brighton in April 1993. It brings together contributions from 15 countries on recent innovations in building and construction. Developments in the design of structures, improvements in existing materials and the introduction of new materials have historically gone hand-in-hand. The limited range of materials available for construction at any one time dictates the practical range of structural form and performance. It follows that current design methods, materials and construction techniques may not be suitable to meet the demands of particular applications. The introduction of a new material, or new practice may move the performance of the construction away from that which is reasonably well understood in the existing population of structures. By so doing, it may also lead to behaviour which cannot be adequately predicted by the current design methods. Developments such as these therefore bring risks as well as benefits. Innovations required to meet the clients' needs can also have a profound effect on the built environment. It is i
The need for demolition, repair and renewal of concrete and masonry structures is growing all over the world. In recent years natural disasters, such as earthquakes, and war activities in many countries have caused very extensive damage to urban areas. This has led to the need for effective methods of assessing structural damage, site clearance and reconstruction. This book presents and discusses worldwide technical developments in the fields of demolition and recycling. The necessary theoretical technical background has accumulated, but knowledge is not being translated into practice. In particular, information is needed on standards and guidelines to promote quick and safe demolition and reuse of concrete and masonry. RILEM has been actively involved in this field for over ten years, through the work of its Technical Committees and the organization of International Symposia. This book forms the Proceedings of the Third Symposium, held in Odense, Denmark in October 1993, and follows the earlier events in Rotterdam in 1985 and Tokyo in 1988. The book will be invaluable for civil engineers, planners, contractors and researchers, and for government authorities and specialists in urban development and disaster mitigation.
Corrosion of steel reinforcement in concrete is a major problem, with serious implications for structural integrity and durability. Bridges and marine structures are particularly susceptible due to the more chemically aggressive environmental conditions that prevail. Hence there is a need to examine the durability, strength characteristics and suitability of alternative materials to steel reinforcement. This book provides a thorough overview of recent developments and applications in this area of growing importance. This book should be of interest to structural and civil engineers involved in the design and construction of concrete structures; materials researchers investigating durability and strength of reinforcing materials; and advanced students in these fields.
This is a comprehensive guide to autoclaved aerated concrete (AAC) for designers, specifiers, users and manufacturers. It provides a model code of practice for the structural use of AAC and provides designers with a complete guide to the structural use of AAC in structural applications in building. The second part contains the complete suite of RILEM Recommendations for specification and testing of AAC. Recommendations for further research, structural design examples and a glossary of terms are also included. The book has been prepared by two international groups of specialists under the auspices of RILEM (The International Union for Testing and Research Laboratories for Materials and Structures). This book should be of interest to architects and structural engineers working in professional practices, as well as building contractors, researchers, manufacturers and testing authorities.
Lightweight aggregate concrete is undergoing something of a renaissance. Although this material has been available for many years, only now is it being used more widely. The volume of structural aggregate concrete used each year is increasing dramatically. Lower structural weight, better fire resistence, use of waste for aggregate, lower costs for aggregate: all these factors are contributing to the rapid increase in the use of acceptance of structural lightweight aggregate concrete. This book provides a comprehensive review of this growing field from an international perspective. This book should be of interest to structural and civil engineers involved in the design and construction of concrete structures; researchers in concrete materials design and performance.
This book contains 12 chapters which were presented as invited lectures at the Third International Symposium on Structural Crashworthiness held at the University of Liverpool, England, 14-16 April, 1993. This symposium was a logical continuation and extension of two previous Symposia held in 1983 and 1988, organized in order to examine recent developments in structural crashworthiness and failure. Particular emphasis has been given in this book to the failure predictions for ductile metal structures under large dynamic loads and to the behaviour of composite and cellular structures. Thus, it is likely that the field of structural crashworthiness and failure will continue to grow in importance. It is also evident from this book that much has already been achieved, but areas are highlighted in which further understanding of the basic mechanics is still required as well as the generation of design methods and design data. Chapters one to four focus on the failure of ductile metal structures, and chapter five examines a related topic on the perforation of metal tubes. Chapter six to eight examine the behaviour of non-metal structures subjected to various large dynamic loads. Chapter ni
This monograph provides the practising engineer with a concise overview of the methods of water diversion and exclusion or removal of sediment from the diverted water. The emphasis is on flow features and the associated conveyance of sediments.
Structural concrete, although durable, often needs repairing. Impact, abrasion, overloading, fire and aggressive environments all cause damage, and cracks appear, due to errors in design or specification and faulty construction. This text enables the engineer to diagnose the cause of a fault, choose the appropriate remedial technique and ensure that the repair work is completed satisfactorily. It will be of value to all those who need to commission, supervise or carry out repairs to concrete structures.
A review of open channel turbulence, focusing especially on certain features stemming from the presence of the free surface and the bed of a river. Part one presents the statistical theory of turbulence; Part two addresses the coherent structures in open-channel flows and boundary layers.
High performance concrete (HPC) is of great topical interest to the construction industry worldwide, with applications in high-rise, offshore, nuclear and bridge structures, and in precast concrete. Among the benefits of HPC are improved workability and strength, leading to faster and more economical construction; more durable concrete, especially important for bridges, offshore and nuclear structures, and highways; and improved structural characteristics, which allow more economical and efficient structural designs. The French national project, "New Developments for Concrete", is providing important insights into the materials characteristics of high performance concrete, and also of the structural behaviour of a number of major buildings and bridge structures. This book contains a series of 35 selected reviews and reports on HPC by the leading materials scientists and engineers contributing to the French programme. Previously, they have only been available to delegates at seminars and meetings in France but the most valuable have been edited and translated into English in order to make the results of the programme widely available.
New developments in the response spectrum method have led to calculations in seismic stresses that are more accurate, and usually lower, than those obtained by conventional methods. This new textbook examines the wealth of information on the response spectrum method generated by the latest research and presents the background theory in simplified form.
Ground improvement has been one of the most dynamic and rapidly evolving areas of geotechnical engineering and construction over the past 40 years. The need to develop sites with marginal soils has made ground improvement an increasingly important core component of geotechnical engineering curricula. Fundamentals of Ground Improvement Engineering addresses the most effective and latest cutting-edge techniques for ground improvement. Key ground improvement methods are introduced that provide readers with a thorough understanding of the theory, design principles, and construction approaches that underpin each method. Major topics are compaction, permeation grouting, vibratory methods, soil mixing, stabilization and solidification, cutoff walls, dewatering, consolidation, geosynthetics, jet grouting, ground freezing, compaction grouting, and earth retention. The book is ideal for undergraduate and graduate-level university students, as well as practitioners seeking fundamental background in these techniques. The numerous problems, with worked examples, photographs, schematics, charts and graphs make it an excellent reference and teaching tool.
The assessment of structural integrity is a vitally important consideration in many fields of engineering, which has an influence on the full range of professional activities from conception, design and analysis, through operation to residual life evaluation and possible life extension. In devising satisfactory procedures for this purpose there is a clear need for interaction and information exchange across this broad spectrum of activities. This conference provided the forum for this exchange of expertise and knowledge among engineers from diverse professional backgrounds and disciplines. The conference was run under the auspices of the Engineering Integrity Society and the Dynamic Testing Agency and was co-sponsored by the British Society for Strain Measurement, the Department of Trade and Industry, the Institution of Mechanical Engineers, the Joint British Committee for Stress Analysis and the National Agency for Finite Element Methods and Standards. The papers presented are relevant to practitioners in power generation, aerospace, transport, offshore, process and construction engineering.
Provides therapists with an understanding of the principles, applications and implications of paradoxical therapy, the rationale for the use of paradox in family therapy and the therapist's role in paradoxical interventions.
The papers and discussions deal with various types of shear walls, nuclear containment structures, high rise buildings, box bridges, l-girders, columns and shells. They represent early 1990s knowledge of concrete shear in earthquake.
An increasing number of buildings require informed decisions to be made about their continued safety and serviceability. Although social and economic issues are often all-important influences, the technical factors nevertheless need to be addressed objectively, efficiently and reliably. The aim of this book is to bring together those techniques which can be used effectively to monitor building structures. Emphasis is given to reliability, practicality, cost-effectiveness and the use of relevant examples. Written primarily for practising engineers responsible for the assessment of safety and serviceability, and for the client specifying a brief for an assessment or evaluating a report, this book should also serve as a source of reference for those in research involving monitoring, and as an aid to the student requiring a better understanding of the full-scale performance of building structures.
With current moves towards international harmonization, there is a need for rationalization and standardization of test procedures and interpretation of test results in many fields. Testing of metals for use in structures, particularly steel and aluminium, is a subject where information on these aspects is generally lacking. In response to this, RILEM (The International Union of Testing and Research Laboratories for Materials and Structures) organized an international workshop to identify "need in testing metals". Invited experts from Europe, Japan and the USA have contributed papers not only on experimental procedures for testing metallic materials, joints and structural components, but also on analytical models for interpreting their behaviour and for use in calculations. The papers brought together in this book provide reviews of the current situation and signposts for future research and development needs. In response to the recommendations of the workshop, RILEM is setting up new international committees and initiatives on the behaviour of joints, high cycle fatigue, non-destructive testing, structural imperfections, composite and thin-walled structures. This book should be va
The science of the study of containers of various materials has, in the majority of cases, a uniformity of shape, of function and of loading. The grouping of the papers in this publication lift the barriers and give the state of the art for each sector. More than 50 articles are grouped by theme.
This volume consists of papers presented at the International Conference on Earthquake, Blast and Impact held at the University of Manchester Institute of Science and Technology, UK, 18-20 September 1991, organised by the Society for Earthquake and Civil Engineering Dynamics (SECED) and supported by the Institution of Civil Engineers, the Institution of Mechanical Engineers and the Institution of Structural Engineers.
Fly ash is an important industrial by-product, with more 170 million tonnes produced annually throughout the world. It is the fine particulate material which is collected from the stack gases of power stations burning pulverized coal and it is being increasingly used as a partial replacement for cement in concrete and other cement-based onstruction materials. Substantial research and development programmes in many parts of the world are being undertaken to investigate the properties and performance of fly ash in concrete, to ensure satisfactory, economic utilization. This book s a report on the subject, complied under the auspices of RILEM, the International Union of Testing and Research Laboratories for Materials and Structures. In the first chapter, the characterization and properties of fly ash in relation to the coal and burning conditions in the power station are described. The behaviour of fresh mortar and concrete is covered next. A major part of the book deals with hardened mortar and concrete, and covers hydration, strength, deformations, frost resistance, chemical resistance and carbonation, with special attention given to the deformation behaviour of fly ash concretes. T
Concrete is one of the principal construction materials used world-wide. Although developments in materials and performance have widened the scope for the use of concrete, they have also affected its properties, particularly in the long term. From this it becomes clear that quality control, which is of vital importance for the building industry in general, needs special attention in its application to concrete structures. The importance of establishing comprehensive quality assurance systems both nationally and internationally is becoming increasingly recognized. Such systems need to take account of the contractual relationships in the industry in order to function effectively. International harmonization of standards and regulations is also putting greater emphasis on such systems. This book forms the proceedings of the Second International Symposium on Quality Control of Concrete Structures which was held in Ghent, Belgium, in June 1991. The volume brings together new information on technical developments, research and practical experience on the following topics: quality management, early age properties of concrete, durability, quality assessment, statistical approaches. |
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