This work brings together the results, information and data that emerged from an international cooperative project, DECOVALEX, 1992-1995. This project was concerned with the mathematical and experimental studies of coupled thermo(T) -hydro(H) -mechanical(M) processes in fractured media related to radioactive waste disposal.
The book presents, for the first time, the systematic formulation of mathematical models of the coupled T-H-M processes of fractured media, their validation against theoretical bench-mark tests, and experimental studies at both laboratory and field scales. It also presents, for the first time, a comprehensive analysis of continuum, and discrete approaches to the study of the problems of (as well as a complete description of), the computer codes applied to the studies.
The first two chapters provide a conceptual introduction to the coupled T-H-M processes in fractured media and the DECOVALEX project. The next seven chapters give a state-of-the-art survey of the constitutive models of rock fractures and formulation of coupled T-H-M phenomena with continuum and discontinuum approaches, and associated numerical methods. A study on the three generic Bench-Mark Test problems and six Test Case problems of laboratory and field experiments are reported in chapters 10 to 18. Chapter 19 contains lessons learned during the project.
The research contained in this book will be valuable for designers, practising engineers and national waste management officials who are concerned with planning, design and performance, and safety assessments of radioactive waste repositories. Researchers and postgraduate students working in this field will also find the book of particular relevance.
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Size: 1.4 MB | Format:PDF | Quality:Original preprint | Publisher: The Steel Construction Institute | pages: 118 | ISBN: 978-1859421949
The design of steel framed buildings in the UK, including those where composite (steel and concrete) construction is used, has, since 1990, generally been in accordance with the British Standard BS 5950. However, that Standard is due to be ithdrawn in March 2010; it will be replaced by the rresponding Parts of the Eurocodes.
For steel framed buildings, the main Eurocode Part that will need to be consulted is BS EN 1993-1-1 and its National Annex. Reference will also be needed to BS EN 1990 and BS EN 1991-1-1, together with their National Annexes, in order to determine the design values of the effects of actions.
Those documents are comprehensive, covering more situations than normally found within the scope of ordinary multi-storey buildings. To help the designer, this guide selects those rules most commonly needed for the design of orthodox multi-storey buildings and presents them in a single concise document. Particular items of non-contradictory complimentary nformation (NCCI) that would be of assistance are included alongside the elected Eurocode clauses.
This publication provides the key requirements from BS EN 1990, BS EN 1991-1-1 and certain parts of BS EN 1993 (mainly from Part 1-1 but also from Parts 1-5, 1-8 and 1-10). Since steel framed buildings often have composite floor beams, brief references are made to BS EN 1994-1-1 and to BS EN 992-1-1.
NCCI information is distinguished from the requirements derived from the Eurocode Parts and their National Annexes by a dark blue shading behind the text, tables and graphics.
This publication was prepared by Mary Brettle and David Brown, with assistance from James Way and David Iles, all of SCI.
The preparation of this guide was funded by Tata Steel Europe*, and their support is gratefully acknowledged.
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