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Author : Lennart Hjalmarsson
Publisher :
ISBN 13 :
Total Pages : 25 pages
Book Rating : 4.:/5 (186 download)
Download or read book Efficiency of Trucks in Road Construction and Maintenance written by Lennart Hjalmarsson and published by . This book was released on 1994 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ken Skorseth
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.3/5 ( download)
Download or read book Gravel Roads written by Ken Skorseth and published by . This book was released on 2000 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this manual is to provide clear and helpful information for maintaining gravel roads. Very little technical help is available to small agencies that are responsible for managing these roads. Gravel road maintenance has traditionally been "more of an art than a science" and very few formal standards exist. This manual contains guidelines to help answer the questions that arise concerning gravel road maintenance such as: What is enough surface crown? What is too much? What causes corrugation? The information is as nontechnical as possible without sacrificing clear guidelines and instructions on how to do the job right.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309159474
Total Pages : 251 pages
Book Rating : 4.3/5 (91 download)
Download or read book Technologies and Approaches to Reducing the Fuel Consumption of Medium- and Heavy-Duty Vehicles written by National Research Council and published by National Academies Press. This book was released on 2010-07-30 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: Technologies and Approaches to Reducing the Fuel Consumption of Medium- and Heavy-Duty Vehicles evaluates various technologies and methods that could improve the fuel economy of medium- and heavy-duty vehicles, such as tractor-trailers, transit buses, and work trucks. The book also recommends approaches that federal agencies could use to regulate these vehicles' fuel consumption. Currently there are no fuel consumption standards for such vehicles, which account for about 26 percent of the transportation fuel used in the U.S. The miles-per-gallon measure used to regulate the fuel economy of passenger cars. is not appropriate for medium- and heavy-duty vehicles, which are designed above all to carry loads efficiently. Instead, any regulation of medium- and heavy-duty vehicles should use a metric that reflects the efficiency with which a vehicle moves goods or passengers, such as gallons per ton-mile, a unit that reflects the amount of fuel a vehicle would use to carry a ton of goods one mile. This is called load-specific fuel consumption (LSFC). The book estimates the improvements that various technologies could achieve over the next decade in seven vehicle types. For example, using advanced diesel engines in tractor-trailers could lower their fuel consumption by up to 20 percent by 2020, and improved aerodynamics could yield an 11 percent reduction. Hybrid powertrains could lower the fuel consumption of vehicles that stop frequently, such as garbage trucks and transit buses, by as much 35 percent in the same time frame.
Author : Alexander Kalb
Publisher : Springer Science & Business Media
ISBN 13 : 3834986976
Total Pages : 190 pages
Book Rating : 4.8/5 (349 download)
Download or read book Public Sector Efficiency written by Alexander Kalb and published by Springer Science & Business Media. This book was released on 2010-08-09 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Alexander Kalb applies advanced and novel econometric as well as linear programming techniques to investigate the sources of potential inefficiencies for local governments in Germany. He uncovers socio-economic, fiscal as well as political sources of inefficiencies. Finally, he makes recommendations how these inefficiencies in the provision of public goods and services can be reduced in the future.
Author : William W. Cooper
Publisher : Springer Science & Business Media
ISBN 13 : 1441961518
Total Pages : 513 pages
Book Rating : 4.4/5 (419 download)
Download or read book Handbook on Data Envelopment Analysis written by William W. Cooper and published by Springer Science & Business Media. This book was released on 2011-08-23 with total page 513 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook covers DEA topics that are extensively used and solidly based. The purpose of the handbook is to (1) describe and elucidate the state of the field and (2), where appropriate, extend the frontier of DEA research. It defines the state-of-the-art of DEA methodology and its uses. This handbook is intended to represent a milestone in the progression of DEA. Written by experts, who are generally major contributors to the topics to be covered, it includes a comprehensive review and discussion of basic DEA models, which, in the present issue extensions to the basic DEA methods, and a collection of DEA applications in the areas of banking, engineering, health care, and services. The handbook's chapters are organized into two categories: (i) basic DEA models, concepts, and their extensions, and (ii) DEA applications. First edition contributors have returned to update their work. The second edition includes updated versions of selected first edition chapters. New chapters have been added on: different approaches with no need for a priori choices of weights (called “multipliers) that reflect meaningful trade-offs, construction of static and dynamic DEA technologies, slacks-based model and its extensions, DEA models for DMUs that have internal structures network DEA that can be used for measuring supply chain operations, Selection of DEA applications in the service sector with a focus on building a conceptual framework, research design and interpreting results.
Author : David Leonard Lewis
Publisher : Transportation Research Board
ISBN 13 : 9780309068222
Total Pages : 60 pages
Book Rating : 4.0/5 (682 download)
Download or read book Road User and Mitigation Costs in Highway Pavement Projects written by David Leonard Lewis and published by Transportation Research Board. This book was released on 1999 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: This synthesis report will be of interest to transportation agency planners; design, construction, and maintenance engineers; and administrators, managers, economists, and other decisionmakers involved in programming highway pavement projects. This synthesis describes current practice with regard to road user and mitigation costs in highway pavement projects. Information for the synthesis was collected by surveying U.S. and Canadian transportation agencies and by conducting a literature search of both domestic and foreign publications. This report of the Transportation Research Board provides detailed information on the various methods employed by transportation agencies to estimate user costs. The advantages and disadvantages of each are reported. Information on the various components of user costs (that is, time related, vehicle operating, safety, and environmental costs) is also included. In addition, the study reports on the various mitigation strategies available to agencies to reduce user costs. Information is also provided on how user costs and mitigation strategies have been applied to evaluate different alternatives; and how uncertainties, political considerations, and quality control contribute to the decisionmaking process.
Author : John Leman Harrison
Publisher :
ISBN 13 :
Total Pages : 264 pages
Book Rating : 4.:/5 (7 download)
Download or read book Management and Methods in Concrete Highway Construction written by John Leman Harrison and published by . This book was released on 1927 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council (U.S.). Highway Research Board. Special Committee on Highway Equipment
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.:/5 (359 download)
Download or read book Construction and Maintenance Equipment written by National Research Council (U.S.). Highway Research Board. Special Committee on Highway Equipment and published by . This book was released on 1962 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thirty-nine informational reports on performance, time utilization, and costs pertaining to equipment employed on highway construction and maintenance work are compiled in this publication. The reports are grouped by major categories of work.
Author : John A. Sturos
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (319 download)
Download or read book Performance of a Logging Truck with a Central Tire Inflation System written by John A. Sturos and published by . This book was released on 1995 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jonathan Skolnik
Publisher : Transportation Research Board
ISBN 13 : 0309258944
Total Pages : 146 pages
Book Rating : 4.3/5 (92 download)
Download or read book Fuel Usage Factors in Highway and Bridge Construction written by Jonathan Skolnik and published by Transportation Research Board. This book was released on 2013 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: "TRB's National Cooperative Highway Research Program (NCHRP) Report 744: Fuel Usage Factors in Highway and Bridge Construction includes fuel usage factors for work items in the construction and maintenance of highways and bridges. The report includes the Price Adjustment Calculator Tool, a Microsoft Excel® spreadsheet, designed to assist in the calculation of payment adjustments for construction projects using fuel price indices or fuel prices. Appendixes B, C, and D were not included in the print or PDF version of the report, however, they are downloadable from the following links: Appendix B - Outreach Plan. Appendix C - PowerPoint® Presentation and Speaker Notes. Appendix D - News Brief"--Publisher description.
Author :
Publisher :
ISBN 13 :
Total Pages : 394 pages
Book Rating : 4.3/5 (91 download)
Download or read book Roads and Road Construction written by and published by . This book was released on 1924 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 466 pages
Book Rating : 4.:/5 (1 download)
Download or read book Good Roads written by and published by . This book was released on 1918 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thawat Watanatada
Publisher : Johns Hopkins University Press
ISBN 13 :
Total Pages : 292 pages
Book Rating : 4.:/5 (31 download)
Download or read book The Highway Design and Maintenance Standards Model: Description of the HDM-III model written by Thawat Watanatada and published by Johns Hopkins University Press. This book was released on 1987 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the Highway Design and Maintenance Standards model (HDM-III) and its constituent components and provides a comprehensive discussion of the submodels, their interaction, and the operational parameters involved. The HDM-III is designed to make comparative cost estimates and economic evaluations of different construction and maintenance options, including different time-staging strategies, either for a given road project on a specific alignment or for groups of links on an entire network. The user can search for the alternative with the lowest discounted total cost and can call for rates of return, net present values, or first-year benefits. If the HDM is used in conjunction with the Expenditure Budgeting Model, the set of design and maintenance options that would minimize total discounted transport costs or maximize net present value of an entire highway system under year-to-year budget constraints can be determined. The HDM-III model is not only a readily usable program for handling voluminous computations automatically, it is also a repository of the most extensive and consistent set of empirical data on the subject. The information includes the qualitative structure and quantitative parameters of relationships among construction standards, maintenance, traffic characteristics, road deterioration, and vehicle operating costs.
Author : Roger Thompson
Publisher : CRC Press
ISBN 13 : 0429958013
Total Pages : 294 pages
Book Rating : 4.4/5 (299 download)
Download or read book Mining Haul Roads written by Roger Thompson and published by CRC Press. This book was released on 2019-01-15 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mining haul roads are a critical component of surface mining infrastructure and the performance of these roads has a direct impact on operational efficiency, costs and safety. A significant proportion of a mine’s cost is associated with material haulage and well-designed and managed roads contribute directly to reductions in cycle times, fuel burn, tyre costs and overall cost per tonne hauled and critically, underpin a safe transport system. The first comprehensive treatise on mining haul road design, construction, operation and management, Mining Haul Roads – Theory and Practice presents an authoritative compendium of worldwide experience and state-of-the-art practices developed and applied over the last 25 years by the three authors, over three continents and many of the world’s leading surface mining operations. In this book, the authors: Introduce the four design components of an integrated design methodology for mining haul roads – geometric (including drainage), structural, functional and maintenance management Illustrate how mine planning constraints inform road design requirements Develop the analytical framework for each of the design components from their theoretical basis, and using typical mine-site applications, illustrate how site-specific design guidelines are developed, together with their practical implementation Summarise the key road safety and geometric design considerations specific to mining haul roads Specify the mechanistic structural design approach unique to ultra-heavy wheel loading associated with OTR mine trucks Describe the selection, application and management of the road wearing course material, together with its rehabilitation, including the use of palliatives Develop road and operating cost models for estimating total road-user costs, based on road rolling resistance measurement and modelling techniques Illustrate the approach of costing a mining road construction project based on the design methodologies previously introduced List and describe future trends in mine haulage system development, how mining haul road design will evolve to meet these new system challenges and how the increasing availability of data is used to manage road performance and ultimately provide 24x7 trafficability. Mining Haul Roads – Theory and Practice is a complete practical reference for mining operations, contractors and mine planners alike, as well as civil engineering practitioners and consulting engineers. It will also be invaluable in other fields of transportation infrastructure provision and for those seeking to learn and apply the state-of-the-art in mining haul roads. “This book is the most definitive treatise on mining haul roads ever written [...] There has never been a text that addresses the many facets of mining haul roads on such a scope [...]” From the Foreword by Jim Humphrey, Professional Engineer, Autonomous haulage systems developer and Distinguished Member of the Society of Mining, Metallurgy and Exploration.
Author :
Publisher :
ISBN 13 :
Total Pages : 1634 pages
Book Rating : 4.:/5 (31 download)
Download or read book Manufacturers' Record written by and published by . This book was released on 1919 with total page 1634 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : DIANE Publishing
ISBN 13 : 1428920021
Total Pages : 314 pages
Book Rating : 4.4/5 (289 download)
Download or read book Advanced automotive technology : visions of a super-efficient family car. written by and published by DIANE Publishing. This book was released on with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter Darling
Publisher : SME
ISBN 13 : 0873352645
Total Pages : 1912 pages
Book Rating : 4.8/5 (733 download)
Download or read book SME Mining Engineering Handbook, Third Edition written by Peter Darling and published by SME. This book was released on 2011 with total page 1912 pages. Available in PDF, EPUB and Kindle. Book excerpt: This third edition of the SME Mining Engineering Handbook reaffirms its international reputation as "the handbook of choice" for today's practicing mining engineer. It distills the body of knowledge that characterizes mining engineering as a disciplinary field and has subsequently helped to inspire and inform generations of mining professionals.Virtually all of the information is original content, representing the latest information from more than 250 internationally recognized mining industry experts. Within the handbook's 115 thought-provoking chapters are current topics relevant to today's mining professional: Analyzing how the mining and minerals industry will develop over the medium and long term--why such changes are inevitable, what this will mean in terms of challenges, and how they could be managed Explaining the mechanics associated with the multifaceted world of mine and mineral economics, from the decisions associated with how best to finance a single piece of high-value equipment to the long-term cash-flow issues associated with mine planning at a mature operation Describing the recent and ongoing technical initiatives and engineering developments in relation to robotics, automation, acid rock drainage, block caving optimization, or process dewatering methods Examining in detail the methods and equipment available to achieve efficient, predictable, and safe rock breaking, whether employing a tunnel boring machine for development work, mineral extraction using a mobile miner, or cast blasting at a surface coal operation Identifying the salient points that dictate which is the safest, most efficient, and most versatile extraction method to employ, as well as describing in detail how each alternative is engineered Discussing the impacts that social and environmental issues have on mining from the pre-exploration phase to end-of-mine issues and beyond, and how to manage these two increasingly important factors to the benefit of both the mining companies and other stakeholders
