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Japanese steel : classic bicycle design from Japan
Japanese bicycles have long been at the forefront of both competitive and recreational cycling from top-flight racing bicycles ridden by champions in international competition to the most collectible custom frames on the fixed-gear scene. In this comprehensive and stunningly illustrated book, William Bevington one of the leading collectors of Japanese bicycles in the United States, and an authority on their design and manufacture presents a fascinating overview of the golden age of Japanese bicycles. Coinciding with the flourishing of the Japanese steel industry, the most prolific and celebrated period of Japanese bicycle design came between the 1950s and the 1980s, when an abundance of exceptional raw materials, uniquely talented artisanal craftsmen, and an expanding international market combined to produce some of the most iconic and enduring bicycles of the twentieth century. From the most recognisable silhouettes of road bicycles from major manufacturers like Fuji, Panasonic, and Bridgestone to the rarest and most collectible frames from artisanal builders like 3-Rensho or Nagasawa, Japanese bicycle designers dominated the cycling world and created machines that are still revered today. Illustrated with specially commissioned photographs of fully restored bikes, and supplemented with artifacts and ephemera from manufacturers' manuals to photography of the legendary Keirin racing circuits, this book is a glorious reference for anyone with an interest in cycling and the phenomenon of Japanese design.
Book
Selective State DOT Lane Width Standards and Guidelines to Reduce Speeds and Improve Safety
This research investigates the lane width standards and guidelines implemented by various State Departments of Transportation (DOTs) to reduce vehicle speeds and enhance road safety. Lane width reduction is often perceived as a strategy to mitigate speed and improve safety. Still, its effectiveness and implications vary across different contexts, including regions, urban/rural settings, or other geometric design features. Drawing from interviews with five State DOTs and a review of their road design manuals, this study aims to identify suggested lane widths depending on the contexts, design exception process when narrowing or widening lane widths, and introduce representative before/after studies. The findings indicate that State DOTs tend to have lower recommended lane widths in urban areas than in rural areas. Moreover, lane width standards among these states vary due to several factors, including the geographical location of roadways (urban or rural areas), design or posted speeds, traffic volume, road classification, and geometric road design features. Design exceptions are required if the existing or proposed design element is incompatible with both AASHTO and department governing criteria. In conclusion, the findings will provide valuable insights and recommendations for policymakers, transportation planners, and road engineers to inform optimal lane width and decision-making processes.
Journal Article
Roadwork
There are many big machines and busy people involved in building a road, and this picture book, with its rambunctious rhymes and noisy fun, follows them every step of the way, from clearing a pathway to rolling the tar to sweeping up at the end.
Book
Calculation Method of Permanent Deformation of Asphalt Mixture Based on Interval Number
There are great uncertainties in road design parameters, and the traditional point numerical calculation results cannot reflect the complexity of the actual project well. Additionally, the calculation method of road design theory based on interval analysis is more difficult in the use of uncertain design parameters. In order to simplify the calculation process of the interval parameters in the road design theory, the asphalt pavement design is taken as the analysis object, and the permanent deformation of the asphalt mixture is simplified by combining the interval analysis theory. Considering the uncertainty of the design parameters, the data with boundaries but uncertain size are expressed in intervals, and then the interval calculation formula for the permanent deformation of the asphalt mixture is derived, and the interval results are obtained. In order to avoid the dependence of interval calculation on the computer code, according to the interval calculation rule, the interval calculation method with the upper and lower end point values as point operations is proposed. In order to overcome the contradiction between interval expansion results and engineering applications, by splitting the multi-interval variable formulas, the interval variable weights are reasonably given, and the synthesis of each single interval result realizes a simplified calculation based on interval variable weight assignment. The analysis results show that the interval calculation method based on the point operation rule is accurate and reliable, and the simplified method based on the interval variable weight assignment is effective and feasible. The simplified interval calculation method proposed in this paper provides a reference for the interval application of road design theory.
Journal Article
Energy efficient non-road hybrid electric vehicles : advanced modeling and control
Analyzing the main problems in the real-time control of parallel hybrid electric powertrains in non-road applications, which work in continuous high dynamic operation, this book gives practical insight in to how to maximize the energetic efficiency and drivability of such powertrains. The book addresses an energy management control structure, which considers all constraints of the physical powertrain and uses novel methodologies for the prediction of the future load requirements to optimize the controller output in terms of an entire work cycle of a non-road vehicle. The load prediction includes a methodology for short term loads as well as for an entire load cycle by means of a cycle detection. A maximization of the energetic efficiency can so be achieved, which is simultaneously a reduction in fuel consumption and exhaust emissions. Readers will gain a deep insight into the necessary topics to be considered in designing an energy and battery management system for non-road vehicles and that only a combination of the management systems can significantly increase the performance of a controller.
Book
Roads Were Not Built for Cars
In Roads Were Not Built for Cars, Carlton Reid reveals the pivotal—and largely unrecognized—role that bicyclists played in the development of modern roadways. Reid introduces readers to cycling personalities, such as Henry Ford, and the cycling advocacy groups that influenced early road improvements, literally paving the way for the motor car. When the bicycle morphed from the vehicle of rich transport progressives in the 1890s to the \"poor man's transport\" in the 1920s, some cyclists became ardent motorists and were all too happy to forget their cycling roots. But, Reid explains, many motor pioneers continued cycling, celebrating the shared links between transport modes that are now seen as worlds apart. In this engaging and meticulously researched book, Carlton Reid encourages us all to celebrate those links once again.
eBook
Evolution of a retail streetscape : DP Architects on Orchard Road
Singapore's Orchard Road sits alongside New York's Fifth Avenue and Paris' Champs Elysees in the pantheon of prestigious retail districts. For more than 40 years, DP Architects has contributed to the development of Orchard Road's architectural typography, the regionalism of which is flavoured with a uniqueness born of inventiveness and an accommodation of contextual forces. 'The Orchard Road Experience' is much more than simply a lush visual and textual narrative showcasing DP Architects' extensive contribution to the character, growth and personality of the famous Singapore shopping and entertainment precinct. It also explores the concept of retail architectural typology generally, provides a brief contextual history of Singapore from British colonisation onwards, outlines the development and evolution of Orchard Road in particular, and explores some of the world's other famous shopping streets.
Book
Routes of Compromise
InRoutes of CompromiseMichael K. Bess studies the social, economic, and political implications of road building and state formation in Mexico through a comparative analysis of Nuevo León and Veracruz from the 1920s to the 1950s. He examines how both foreign and domestic actors, working at local, national, and transnational levels, helped determine how Mexico would build and finance its roadways.While Veracruz offered a radical model for regional construction that empowered agrarian communities, national consensus would solidify around policies championed by Nuevo León's political and commercial elites. Bess shows that no single political figure or central agency dominated the process of determining Mexico's road-building policies. Instead, provincial road-building efforts highlight the contingent nature of power and state formation in midcentury Mexico.
eBook
Advances in materials and pavement prediction II : contributions to the 2nd International Conference on Advances in Materials and Pavement Performance Prediction (AM3P 2020), 27-29 May 2020, San Antonio, TX, USA
\"Inspired from the legacy of the previous four 3DFEM conferences held in Delft and Athens as well as the successful 2018 AM3P conference held in Doha, the 2020 AM3P conference continues the pavement mechanics theme including pavement models, experimental methods to estimate model parameters, and their implementation in predicting pavement performance. The AM3P conference is organized by the Standing International Advisory Committee (SIAC), at the time of this publication chaired by Professors Tom Scarpas, Eyad Masad, and Amit Bhasin. Advances in Materials and Pavement Performance Prediction II includes over 111 papers presented at the 2020 AM3P Conference. The technical topics covered include: rigid pavements, pavement geotechnics, statistical and data tools in pavement engineering, pavement structures, asphalt mixtures, asphalt binders. The book will be invaluable to academics and engineers involved or interested in pavement engineering, pavement models, experimental methods to estimate model parameters, and their implementation in predicting pavement performance.\"-- Provided by publisher.
Book
An evaluation of the passing process through road - vehicle parameters assessment
PurposeThis paper investigates the interaction between vehicle dynamics parameters and road geometry during the passing process.Methodology The methodology is based on a realistic representation of the passing task with respect to roadway’s posted speed and the ability of the passing (examined) vehicle to perform such maneuvers. Regarding passing distance outputs, an existing vehicle dynamics model was utilized, where aiming to assess the model’s accuracy, instrumented field measurements were performed. The analytical model is computationally demanding. Therefore statistical models were worked out, in line with the German rural road design guidelines, to determine passing sight distances (PSDs) by arranging combinations of 4 critical vehicle—roadway parameters; namely, vehicle horsepower rates, variations between the passed vehicle’s speed and roadway’s posted speed, peak friction supply coefficients and grade values.Results The analysis revealed that the difference between the speed of the passed vehicle and the posted speed value, as well as certain interactions of the assessed parameters impact excessively PSD, especially for values below 20 km/h. The lognormal modelling approach for predicting PSDs was found efficient and may be useful to researchers and practitioners aiming to evaluate the interaction of the utilized road—vehicle parameters in terms of determining PSDs as well as passing zones.Conclusions Although more advanced communication between vehicles or between vehicles and road environment seems a prerequisite in order integrated guidance during passing maneuvers to be enabled, the present research consists an opening paradigm of how the passing process can be standardized and therefore deployed in advanced driver assistance systems (ADAS).
Journal Article