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Wood Bridges
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Download or read book Azanian Bridges written by Nick Wood and published by . This book was released on 2016-04-01 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: A tense SF thriller set in an alternative South Africa where apartheid still holds sway and the struggle for equality continues. Sibisuso, an AmaZulu unwittingly caught up in the conflict, and Martin, a white psychologist, find their fates entwined via a machine that might just change the world...
Download or read book Wood Bridges written by Wallace E. Eslyn and published by . This book was released on 1979 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Model Railroader's Guide to Bridges, Trestles & Tunnels by : Jeff Wilson
Download or read book The Model Railroader's Guide to Bridges, Trestles & Tunnels written by Jeff Wilson and published by Kalmbach Publishing, Co.. This book was released on 2005 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Build realistic bridges and tunnel portals, from simple culverts and wood beam bridges to majestic stone arches and steel viaducts. Discover how different types of bridges and trestles are used, with historic and contemporary prototype photos, and strategies for modeling, painting, and weathering scale models.
Book Synopsis Toward Structural Mechanics Through Wooden Bridges in France (1716-1841) by : Chiara Tardini
Download or read book Toward Structural Mechanics Through Wooden Bridges in France (1716-1841) written by Chiara Tardini and published by Springer Science & Business Media. This book was released on 2013-09-13 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: Early applications of Navier’s beam theory to the rational design of structures are documented in the Annales of the French Ecole des Ponts et Chaussées and refer to the design of three wooden bridges built in France in the 1840's. Revisiting these examples, the book provides documentation on the progressive establishment of the new design approach, based on the theory of structural mechanics rather than empirical knowledge. The bridges concerned were built according to the structural scheme patented by Ithiel Town in the USA, witnessing the diffusion in Europe of the American advancements in bridge design, circulated by the travel reports of French engineers from the Ecole. Through the exam of French treatises discussing the progress of theoretical formulations in parallel with experimental findings in the 18th and 19th centuries, the book retraces as well the long path which led to the formulation of Navier’s theory. The relevant scientific debate dealt mainly with the specific case of wood bridges; the text outlines a brief history of bridges built in the Alpine area at the time, based on unpublished iconographic materials from various European archives.
Book Synopsis Timber Bridges by : Michael A. Ritter
Download or read book Timber Bridges written by Michael A. Ritter and published by . This book was released on 1990 with total page 980 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Assessment of the Environmental Effects Associated with Wooden Bridges Preserved with Creosote, Pentachlorophenol, Or Chromated Copper Arsenate by : Kenneth M. Brooks
Download or read book Assessment of the Environmental Effects Associated with Wooden Bridges Preserved with Creosote, Pentachlorophenol, Or Chromated Copper Arsenate written by Kenneth M. Brooks and published by . This book was released on 2000 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: Timber bridges provide an economical alternative to concrete and steel structures, particularly in rural areas with light to moderate vehicle traffic. Wooden components of these bridges are treated with chromated copper arsenate type C (CCA), pentachlorophenol, or creosote to prolong the life of the structure from a few years to many decades. This results in reduced transportation infrastructure costs and increased public safety. However, the preservative used to treat the wooden components in timber bridges is lost to the environment in small amounts over time. This report describes the concentration of wood preservatives lost to adjacent environments and the biological response to these preservatives as environmental contaminants. Six bridges from various states were examined for risk assessment: two creosote treated bridges, two pentachlorophenol-treated bridges, and two CCA-treated bridges. In all cases, the largest bridges located in biologically active environments associated with slow-flowing water were selected to represent worst-case analyses. Sediment and water column concentrations of preservative were analyzed upstream from, under, and downstream from each bridge. The observed levels of contaminant were compared with available regulatory standards or benchmarks and with the quantitative description of the aquatic invertebrate community sampled from vegetation and sediments. Pentachlorophenol- and creosote-derived polycyclic aromatic hydrocarbons (PAHs) were not observed in the water near any of the selected bridges. However, low levels of PAHs were observed in the sediments under and immediately downstream from these bridges. Pentachlorophenol concentrations did not approach toxicological benchmarks. Sediment concentrations of naphthalene, acenaphthylene, and phenanthrene exceeded the probable effect level. Metal levels at the bridges treated with CCA were less than predicted effect levels, in spite of questionable construction practices. Adverse biological effects were not observed in the aquatic invertebrate community or laboratory bioassays conducted on water and sediments sampled at each of the bridges. Results of this study reveal the need to follow the construction information found in Best Management Practices for the Use of Treated Wood In Aquatic Environments published by Western Wood Preservers Institute. Regulatory benchmarks used in risk assessments of this type need to be indexed to local environmental conditions. The robust invertebrate communities associated with slow-moving streams over soft bottoms were not susceptible to the concentrations of PAHs that would be expected to affect more sensitive taxa, which typically are located in faster moving water over hard bottoms. Contaminants released from timber bridges into these faster systems (where more sensitive taxa are located) are significantly diluted and not found at biologically significant levels.
Download or read book Bridges written by Baidar Bakht and published by Springer. This book was released on 2015-10-09 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a valuable guide for practicing bridge engineers and graduate students in structural engineering; its main purpose is to present the latest concepts in bridge engineering in fairly easy-to-follow terms. The book provides details of easy-to-use computer programs for: · Analysing slab-on-girder bridges for live load distribution. · Analysing slab and other solid bridge components for live load distribution. · Analysing and designing concrete deck slab overhangs of girder bridges under vehicular loads. · Determining the failure loads of concrete deck slabs of girder bridges under concentrated wheel loads. In addition, the book includes extensive chapters dealing with the design of wood bridges and soil-steel bridges. Further, a unique chapter on structural health monitoring (SHM) will help bridge engineers determine the actual load carrying capacities of bridges, as opposed to their perceived analytical capacities. The chapter addressing structures made with fibre-reinforced polymers will allow engineers to design highly durable, economical and sustainable structures. This chapter also provides guidance on rehabilitating deteriorated structures with these new materials. The book also deals with the philosophy of bridge design without resorting to complex equations. Additional material to this book can be downloaded from http://extras.springer.com
Download or read book Bridges written by Victoria Charles and published by Parkstone International. This book was released on 2015-12-31 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: A bridge is a link between two worlds, a point of tension between two separate and often disparate locations. Free, belonging neither to one region or another, the bridge imposes upon the landscape and defies nature. Its existence embodies the will of mankind to construct these necessary bonds between people and places. A symbol of progress and innovation, the bridge, anonymous demonstration of the mastery and the durability of new techniques, is gradually becoming more and more light and fluid, constantly defying stateoftheart technology. As veritable aesthetic creations, bridges appear today not only as examples of masterful engineering, but also as incredible works of art. With its magnificent photographs, this book invites the reader to rediscover these modernday sculptures.
Book Synopsis Factors Influencing the Adoption of Timber Bridges by : Robert L. Smith
Download or read book Factors Influencing the Adoption of Timber Bridges written by Robert L. Smith and published by . This book was released on 1995 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 70 Years of China’s Bridges by : Zhongfu Xiang
Download or read book 70 Years of China’s Bridges written by Zhongfu Xiang and published by Springer Nature. This book was released on 2024-01-24 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book takes time as the axis, selecting 98 bridges (or bridge groups) across the country and 7 representative bridges out of the country, reflecting the steps and development of China's bridge construction in related majors and engineering technicians in colleges and universities. This book aims to let the general public understand the arduous history of China's bridge construction and the rapid development of China's bridge construction without the country's economic development, strength, and hard work of the bridge people. It is also hoped that the public will enjoy the convenience of bridges, highways, railroads, and urban roads and at the same time enhance their awareness of bridge knowledge, knowledge, love, and scientific use of bridges. This book is used by the general public to understand the development of China's bridge construction, but also as a reference book for teachers and students of bridge engineering-related majors and engineering technicians in colleges and universities.
Book Synopsis Cost-effective Practices for Off-system and Local Interest Bridges by : F. W. Klaiber
Download or read book Cost-effective Practices for Off-system and Local Interest Bridges written by F. W. Klaiber and published by Transportation Research Board. This book was released on 2004 with total page 143 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 327: Cost-Effective Practices for Off-System and Local Interest Bridges examines off-system bridge design, construction, maintenance, financing, rehabilitation, and replacement. For this report, 'off-system' refers to those bridges typically owned and maintained by local agencies, and by state agencies on rural and other low-volume roads.
Book Synopsis Wood Engineering and Construction Handbook by : Keith F. Faherty
Download or read book Wood Engineering and Construction Handbook written by Keith F. Faherty and published by McGraw Hill Professional. This book was released on 1997 with total page 924 pages. Available in PDF, EPUB and Kindle. Book excerpt: All the information, formulas, procedures, and examples that you need to design virtually any type of wood structure of structural wood component - that's what you get in this indispensable handbook.
Download or read book Service Bulletin written by and published by . This book was released on 1915 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Big & Awesome Bridges of Portland & Vancouver by : Sharon Wood Wortman
Download or read book The Big & Awesome Bridges of Portland & Vancouver written by Sharon Wood Wortman and published by . This book was released on 2014 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: The big & awesome bridges of Portland & Vancouver is a book that gets young people excited about science and engineering and provides teachers a comprehensive resource for developing engaging elementary school units of study, all through an exploration of one of the most diverse and historic collections of big river bridges in the world.
Book Synopsis Field Performance of Timber Bridges by : James P. Wacker
Download or read book Field Performance of Timber Bridges written by James P. Wacker and published by . This book was released on 1995 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chicago River Bridges by : Patrick T. McBriarty
Download or read book Chicago River Bridges written by Patrick T. McBriarty and published by University of Illinois Press. This book was released on 2013-09-23 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chicago River Bridgespresents the untold history and development of Chicago's iconic bridges, from the first wood footbridge built by a tavern owner in 1832 to the fantastic marvels of steel, concrete, and machinery of today. It is the story of Chicago as seen through its bridges, for it has been the bridges that proved critical in connecting and reconnecting the people, industry, and neighborhoods of a city that is constantly remaking itself. In this book, author Patrick T. McBriarty shows how generations of Chicagoans built (and rebuilt) the thriving city trisected by the Chicago River and linked by its many crossings. This comprehensive guidebook chronicles more than 175 bridges spanning 55 locations along the Main Channel, South Branch, and North Branch of the Chicago River. With new full-color photography of existing bridges and more than one hundred black and white images of bridges past, the book unearths the rich history of Chicago's downtown bridges from the Michigan Avenue Bridge to the often forgotten bridges that once connected thoroughfares such as Rush, Erie, Taylor, and Polk Streets. Throughout, McBriarty delivers new research into the bridges' architectural designs, engineering innovations, and their impact on Chicagoans' daily lives, explaining how the dominance of the "Chicago-style" bascule drawbridge influenced the style and mechanics of bridges worldwide. Interspersed throughout are the human dramas that played out on and around the bridges, such as the floods of 1849 and 1992, the cattle crossing collapse of the Rush Street Bridge, or Vincent "The Schemer" Drucci's Michigan Avenue Bridge jump. A confluence of Chicago history, urban design, and engineering lore, Chicago River Bridges illustrates Chicago's significant contribution to drawbridge innovation and the city's emergence as the drawbridge capital of the world.
Author :United States. Congress. House. Committee on Interstate and Foreign Commerce Publisher : ISBN 13 : Total Pages :260 pages Book Rating :4.3/5 (91 download)
Book Synopsis Bridges Across Delaware River at Wilmington, Delaware by : United States. Congress. House. Committee on Interstate and Foreign Commerce
Download or read book Bridges Across Delaware River at Wilmington, Delaware written by United States. Congress. House. Committee on Interstate and Foreign Commerce and published by . This book was released on 1929 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
