This publication was commissioned by the Reinforced Concrete Council, which was set up to promote better knowledge and understanding of reinforced concrete design and building technology. The Council’s members are Co-Steel Sheerness plc and Allied Steel & Wire, representing the major suppliers of reinforcing steel in the UK, and the British Cement Association, representing the major manufacturers of Portland cement in the UK. Charles Goodchild is Senior Engineer for the Reinforced Concrete Council. He was responsible for the concept and management of this publication.
The ideas and illustrations come from many sources. The help and guidance received from many individuals are gratefully acknowledged on the inside back cover.
The charts and data in this publication were prepared to BS 8110, Pt 1: 1985, up to and including Amendment No 4. During production, BS 8110 Structural use of concrete: Part 1:1997 Code of practice for design and construction was issued. This incorporated all published amendments to the 1985 version plus Draft Amendments Nos. 5 and 6. In general, the nett effect of the changes is that slightly less reinforcement is required: preliminary studies suggest 2 to 3% less in in-situ slabs and beams and as much as 10% less in columns. Readers should be aware that some of the tables in the new Code have been renumbered. The charts and data given in this publication remain perfectly valid for pre-scheme design.
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Assessing Soil and Groundwater Impacts of Chemical Mixture Releases from Hazardous Materials Transportation Incidents
Author: Richard G. Lewis Ziqi He | Size: 55.7 MB | Format:PDF | Publisher: Hazardous Materials Cooperative Research Program (HMCRP) Reports | Year: September 2010 | pages: 462 | ISBN: 978-0-309-15527-4
This report documents and presents the results of developing a Chemical Mixture Tool (CMT) for the study of Assessing Soil and Groundwater Impacts of Chemical Mixture Releases from
Hazardous Materials Transportation Incidents sponsored by the Transportation Research Board (TRB) of the US National Academies. The study was developed by HSA Engineers & Scientists
(HSA) (a member of the Conestoga Rovers & Associates (CRA) family of companies). It is a preliminary tool intended to estimate, assess, classify, predict, and quickly communicate the
various fate and transport characteristics of chemical mixtures released into the subsurface as a result of hazardous materials transportation incidents. The tool is intended to enable carriers, shippers, responders, risk compliance specialists, and regulators to predict and assess the potential environmental concerns, risks, and hazards to soil and groundwater posed by chemical
mixtures.
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Seismic Analysis and Design of Retaining Walls, Buried Structures, Slopes, and Embankments
Author: Donald G. Anderson, Geoffrey R. Martin | Size: 10.25 MB | Format:PDF | Publisher: NATIONAL COOPERATIVE HIGHWAY RESEARCH PROGRAM | Year: 2008 | pages: 148 | ISBN: 9780309117654
This report provides analytical and design methods for the seismic design of retaining walls, buried structures, slopes, and embankments. The report details the development of the design procedures. Recommended load and resistance factor design (LRFD) specifications and design examples illustrating the application of the design methods and specifications are included in an Appendix. The material in this report will be of immediate interest to roadway and bridge designers.
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Author: J.-L.BRIAUD, H.-C. CHEN | Size: 6.08 MB | Format:PDF | Publisher: NATIONAL COOPERATIVE HIGHWAY RESEARCH PROGRAM | Year: 2004 | pages: 136 | ISBN: 0309088062
This report discusses the findings of a research project undertaken to investigate bridge scour in cohesive soils. The report presents a recommended method for predicting the extent of complex pier and contraction scour in cohesive soils. This report will be of immediate interest to engineers with responsibility for predicting the extent of scour at bridge foundations and to engineers with responsibility for designing bridge foundations and bridge scour countermeasures.
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Bookmark PDF|RAR 6.08|4.70 MB
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Heat-Straightening Repair of Damaged Steel Bridge Girders: Fatigue and Fracture Performance
Author: Robert J.Connor, Michael J.Urban, Eric J.Kaufmann | Size: 10.75 MB | Format:PDF | Publisher: NATIONAL COOPERATIVE HIGHWAY RESEARCH PROGRAM | Year: 2008 | pages: 140 | ISBN: 9780309099370
This report summarizes the results of a project to establish limits, based on fatigue and fracture performance, on the number of damage and repair cycles to which damaged steel bridge girders may be subjected using the heat-straightening procedure. A key product presented here is suggested revisions to the Federal Highway Administration (FHWA) manual of practice for heat straightening. The report will be of particular interest to engineers in state highway agencies and industry responsible for bridge maintenance and repair.
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Bookmark PDF|RAR 10.75|8.95 MB
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Countermeasures to Protect Bridge Abutments from Scour
Author: Brian D. Barkdoll, Robert Ettema, Bruce W. Melville | Size: 19.80 MB | Format:PDF | Publisher: NATIONAL COOPERATIVE HIGHWAY RESEARCH PROGRAM | Year: 2007 | pages: 230 | ISBN: 9780309098953
This report will be of interest to transportation departments that are responsible for constructing and maintaining bridges that span waterways. It provides selection criteria and guidelines for the design and construction of countermeasures to protect bridge abutments and approach embankments from scour damage. Guidelines are provided for the following abutment countermeasures: riprap, cable-tied blocks, geobags, parallel walls, spur dikes located locally to the abutment, and abutment collars.
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Bookmark PDF|RAR 19.80|17.29 MB
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The present book is not simply a new addition of the book Dynamic Plasticity, initially published in 1967, a long time ago. Certainly this edition is not only a new version, containing the essential of the old book and what has been done meantime. Why again Dynamic Plasticity? Well because very many books published meantime on the subject are not mentioning the waves which are to be considered in Dynamic Plasticity. Also, generally, the plastic waves are slower than the elastic one. Thus, when considering a simple problem of propagation of waves in thin bars, for any loading at the end, the plastic waves are reached by the elastic ones, and will not propagate any more. Only a part of the bar is deforming plastically. Examples of this kind are very few.
I thought that this new version is too restrictive for the today students which know little of static plasticity, differential equations, dynamic elastic–plastic properties, etc. Therefore, I thought to write a simpler book, containing the main concepts of dynamic plasticity, but also something else. Thus I thought that this new version would contain the elementary concepts of static plasticity, etc., which would be useful to give. Also it would be good to give other problems, not directly related to dynamic plasticity. Thus I started with some classical problems on static plasticity, but only the simplest things, so that the readers would afterwards understand also the dynamic problems. Also, since in dynamic problems the soils and rocks played a fundamental role, I thought to write a chapter on rocks and soils.
Then were expressed several chapters about dynamic plasticity, as propagation of elastic–plastic waves in thin bars, the rate influence and the propagation of waves in Flexible strings. It is good to remember here that all problems related to dynamic problems, are to be considered using the mechanics of the wave propagation; without the wave propagation mechanics all results concerning constitutive equations, rate effect, etc. are only informative. Such problems are mentioned however in the book. We have presented mainly the different aspects on constitutive equations of materials, as resulting from dynamic problems. Rate effects are considered in this way. They have been used by a variety of authors. The same with the mechanics of Flexible strings, presented afterwards. Not very many authors have considered till now the mechanics of deformable cables.
Therefore I thought to write a very simple book, which can be read by the students themselves, without any additional help. They can understand what “plasticity” is after all. Then several other problems have been presented. Not trying to remove the fundamentals, I have thought also to add some additional problems, which are in fact dynamic, though the inertia effect is disregarded. They are the stationary problems, quite often met in many applications. It is question obviously, about problems involving Bingham bodies, as wire drawing, floating with working plug, extrusion, stability of natural inclined plane, etc. Further I have considered various problems of plastic waves, using various theories. Also the perforation problems, was presented, using various symmetry assumptions, or any other assumption made. The last chapter is on hypervelocity impact. To keep it simple, I have given only very few information about. Thus I wished to show what hypervelocity is and how is it considered now.
Though the book is a very simple one, I wished to ask any author to disregard possible missing of some papers. All literature is certainly incomplete. One has done today much more than given here. It was impossible for me to mention “all” authors in this field.
Bookmark PDF|RAR 5.79|5.10 MB
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