The finite element method (FEM), or finite element analysis
(FEA), is based on the idea of building a complicated object with
simple blocks, or, dividing a complicated object into small and
manageable pieces. Application of this simple idea can be found
everywhere in everyday life as well as in engineering.
176 Pages ll University of Cincinnati
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Geotechnical Aspects of Underground Construction in Soft Ground
Geotechnical Aspects of Underground Construction in Soft Ground: Proceedings of the 6th International Symposium (IS-Shanghai 2008)
By Charles W.w. Ng, H.w. Huang, G.b. Liu
This volume comprises a collection of four special lectures, six general reports and 112 papers presented at the Sixth International Symposium of Geotechnical Aspects of Underground Construction in Soft Ground (IS-Shanghai) held between 10 and 12 April 2008 in Shanghai, China.
The Symposium was organised by Tongji University and the following themes were covered:
1. Analysis and numerical modelling of deep excavations
2. Construction method, ground treatment, and conditioning for tunnelling
3. Case histories
4. Safety issues, risk analysis, hazard management and control
5. Physical and numerical modelling
6. Calculation, design methods, and predictive tools
This volume provides a valuable source of information on the the state-of-the-art in geotechnical engineering associated with the design, construction and monitoring of tunnels and excavations in soft ground, and will be of interest to academics and professionals involved in these areas.
credit to: kdesigns
Other links to download (Credits to reynand_d)
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Structural design in fire conditions is conceptually similar to structural design in normal temperature conditions, but often more difficult because of internal forces induced by thermal expansion, strength reduction due to elevated temperatures, much larger deflections, and numerous other factors. Before making any design decisions it is essential to establish clear objectives, and determine the severity of the design fire. The art and science of designing structures for fire safety has grown considerably in recent years, accompanied by the development of sophisticated codes of practice such as the Eurocodes. The Eurocode documents now represent the best international consensus on design rules for structures exposed to fires. Similarly, codes and standards in US and rest of the world are being updated with rational design provisions for evaluating fire resistance of structures. One such example is the recent introduction of rational fire design approach in the latest edition of American Institute of Steel Construction’s steel design manual.
DESIGNING STEEL STRUCTURES FOR FIRE SAFETY provides guidance for those wishing apply rational engineering methodologies for fire design of steel structures. Codes alone do not provide enough information for structural design, especially as they become more sophisticated and comprehensive. This book provides background material and serves as a design guide for the user. It should help the reader not familiar with the topic to make calculations of the fire resistance of steel structures according to the Eurocodes or other code provisions. The theoretical, technical or historical background is provided when this helps the user to understand more clearly the calculation methodologies, while examples on simple elements and guidance showing how a complete structure can be analyzed are included.
DESIGNING STEEL STRUCTURES FOR FIRE SAFETY is a major new contribution to the wider understanding of structural behavior in fires, and will be invaluable to professionals in civil engineering and architecture, students or teachers in these disciplines, and building officials and regulators in all regions of the world.
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'Analysis and Design of Marine Structures' explores recent developments in methods and modelling procedures for structural assessment of marine structures, and is a valuable reference source for academics, engineers and professionals involved in marine structures and design of ship and offshore structures.
From the Back Cover
This book is a collection of papers from MARSTRUCT 2009, the second International Conference on Marine Structures, held in Lisbon, Portugal, 16-18 March 2009, and contains the latest progress made in structural analysis of marine structures.
The MARSTRUCT series of conferences started in Glasgow, UK in 2007, and has the aim of becoming a bi-annual specialised conference dealing with Ship and Offshore Structures. The initial impetus and support for this series was given by the Network of Excellence on Marine Structures (MARSTRUCT), which brings together 33 European research groups and is now in its 6th year of funding by the European Union.
'Analysis and Design of Marine Structures' explores recent developments in methods and modelling procedures for structural assessment of marine structures:
- Methods and tools for establishing loads and load effects;
- Methods and tools for strength assessment;
- Materials and fabrication of structures;
- Methods and tools for structural design and optimisation;
- Structural reliability, safety and environment protection.
The book is a valuable reference source for academics, engineers and professionals involved in marine structures and design of ship and offshore structures.
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Concrete repair continues to be a subject of major interest to engineers and technologists worldwide. The concrete repair budget for the UK alone currently runs at some UKP 220 per annum. Some estimates have indicated that, worldwide, in 2010 the expenditure for maintenance and repair work will represent about 85% of the total expenditure in the construction field. It has been forecast that, in the same year in the USA, 50 billion dollars will be spent just for the restoration of deteriorated bridges and viaducts.
An understanding of the latest techniques in repair and testing and inspection is thus crucial to the international construction industry. This book, with contributions from 34 countries, brings together the best in research, practical application, strategy and theory relating to concrete repair, testing and inspection, fire damage, composites and electro-chemical repair.
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Progressive Collapse Resistance of Reinforced Concrete Buildings
ABSTRACT
The progressive collapse of the World Trade Center towers has generated a worldwide concern of the
risks of progressive collapse in multi‐story buildings. The prevention of progressive collapse lies primary
in the proper and effective analysis of the structures having high potential to progressivity. Linear elastic
static analysis method is presented in this report. To minimize the progressive collapse risks, the
structural system of the building should be able to tolerate the removal of one or more structural
members and redistribute their load on the surrounding members, so that disproportionate collapse
would not take place.
This study investigates the performance level of a fifteen‐story reinforced concrete building. A Linear
Elastic Static Analysis Procedure based on the GSA (General Service Administration) guidelines is used as
a preliminary study to determine the potential for progressive collapse of this building. The building
consists of several moment resisting frames and gravity frames.
A column at the ground floor is removed to simulate an effect of any extreme event and the remaining
structure is analyzed using the ETABS 3D structural simulation software. The structure is analyzed as per
the GSA guidelines for gravity loads only. Then the structure is checked for the Demand‐Capacity Ratios
(DCR) as per GSA provisions. It is found that the building is safe when a column from an IMF is removed.
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Searched but found none and hope there is no previous post before.
2500 Solved Problems in Fluid Mechanics & Hydraulics
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This publication presents procedures for the design of wind-moment frames in accordance with BS 5950-1. In this method of design, the frame is made statically determinate by treating the connections as pinned under vertical loads and fixed under horizontal loads (with certain assumed points of zero moment). The publication gives design procedures for frames that are braced in the minor axis direction and for frames that do not have bracing in either principal direction.
The limitations of the method, which differ slightly for these two cases, are explained. In particular, it should be noted that the method is only recommended for low-rise frames up to four storeys high.
In addition to design procedures for the ultimate and serviceability limit states, fully worked design examples are presented for two cases. The publication also reproduces the resistance tables for standard wind-moment connections taken from SCI/BCSA publication P207 Joints in steel construction: Moment connections.
These connections use flush or extended end plates and grade 8.8 M20 or M24 bolts, and achieve sufficient rotation capacity by ensuring that the moment resistance is not governed by bolt or weld failure.
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An essential reference for engineers, public works administrators and contractors, researchers and students, this book provides a systematic study of bridge substructure and foundation elements, presents explicit methods of analysis, design and detailing, and offers case studies. It reflects the distinct evolution in bridge design concepts, theories, and analysis methods that has recently taken place.
From the Publisher:
Helps engineers optimize both structural reliability and economy by presenting both traditional allowable stress design concepts and newer, statistically-based load and resistance factor methodologies.
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This publication gives guidance on the appraisal of existing iron and steel structures.
It deals mainly with building structures in cast and wrought iron, and in steel up to
1968 (when BS 4360 was introduced). A historical account of the manufacture of
these materials and their use in building construction is provided, in order to
highlight differences in design, forming, fabrication, and connection methods as
compared with present-day practice. Guidance on appraisal strategy is accompanied
by reviews of relevant material properties, defects, and methods of investigation of
the existing structure. The assessment method offers a three-stage approach to
calculations for checking structural adequacy, and also considers adequacy in fire.
Load testing is discussed as a complementary method of checking structural
adequacy. The three final sections consider methods of structural repair,
strengthening and replacement, fire protection, and corrosion protection.
References and a Bibliography are provided. Three Appendices list principal
sources of available information, provide background details of the historical
development of column analysis, and summarise current research on structural cast
iron.
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