Civil Engineering Association

Highway Engineering

Highway Engineering
352 pages
Wiley-Blackwell; 2 edition (June 30, 2008)
ISBN-10: 1405163585

This book provides an introduction to highway engineering for students on degree and diploma courses in civil engineering. It moves in a logical sequence from the planning and economic justification for a highway, through the geometric design and traffic analysis of highway links and intersections, to the design and maintenance of both flexible and rigid pavements.

Existing texts have tended to concentrate purely on highway planning and analysis, or on pavement design and maintenance aspects of highway engineering. As a result, the standard has tended to be too advanced for students studying the subject for the first time. This textbook covers the basic ground in both areas. It features worked examples and case studies as an aid to understanding individual topics and aims to provide the student with a solid, practically based foundation for the topic of highway engineering, thus providing a gateway to the more advanced and specialised texts.

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Mirror from 4shared for this good book:

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Highway Engineering

Highway Engineering provides an introduction to highway engineering for students on degree and diploma courses in civil engineering. The text sets out procedures and techniques needed for the planning, design and construction of a highway installation, while setting them in their economic and political context. Moving in a logical sequence through every aspect of highway construction, this second edition features an expanded section on the basic concepts of traffic analysis and management with worked examples, as well as detailing the development planning process and how highway engineers interact with this.

Other texts have tended to concentrate purely on highway planning and analysis, or on pavement design and maintenance aspects of highway engineering. As a result, the standard has tended to be too advanced for students studying the subject for the first time. This textbook covers the basic ground in both areas, featuring worked examples and case studies as an aid to understanding individual topics.

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The book starts with the Transport Planning process and measuring the economic, social and environmental effects of road building to determine the benefits to the community. The English approach by the Highways Agency under the five headings of Environment, Safety, Economy, Accessibility and Integration is explained but is also compared to procedures in Europe and America.

The determination of traffic capacity is particularly interesting, drawing comparisons between the American and UK methods. The American approach has seven levels of service varying from free-flow down to forced flow with traffic moving on a stop–go basis. The design of the road is a function of level of service and design flow and tends to yield an absolute answer. In the UK, however, the designer has a range of options and the final choice is based on economic and cost–benefit analysis.

The two chapters on junctions and alignment concentrate mainly on UK techniques, making extensive reference to the Highways Agency Design Manual for Roads and Bridges. The junction design covers priority intersections, roundabouts and signalised junctions. How to decide whether to provide right turn lanes at T-junctions is explained, together with the benefits of mini-roundabouts. The author discusses the advantages of traffic signals in improving traffic flow and the disadvantages in terms of maintenance and the effects of signal failure. There is a simple explanation of stopping sight distance and overtaking sight distance and how it relates to the design speed and how relaxations and departures can help minimise cost and environmental impact.

The choice of pavement materials and defining their thickness details the use of UK techniques. The author explains the production of bitumen and the empirical tests to determine its quality by penetration test as well as the concepts of rigid concrete roads. His outline of the pavement thickness includes the current UK approach to include a thin surfacing layer in new concrete road construction.

The final chapter on pavement maintenance covers visual condition surveys, the high-speed road monitor, the deflectograph, falling weight deflectometer and SCRIM. The different methods of evaluating concrete roads are also covered. The author explains how to use the pavement condition data to define overlay and repair proposals to extend the life of the road as part of a logical and coherent approach that compares repair costs and ongoing deterioration.

While the book is aimed at undergraduates in Highway Engineering it would be a valuable addition to the practising engineer’s bookshelf. Engineers tend to focus on one aspect, such as alignment, and a book explaining other aspects such as traffic signal design or transport planning gives the knowledge to contribute to the whole of the road design process.

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supplementary materials :

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Supplementary Materials [Questions Solutions + Figures used in Book]

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All credit goes to dear friend david-smith

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