Download or read book The World s Most Amazing Dams written by Ann Weil and published by Heinemann-Raintree Library. This book was released on 2011-07 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Profiles ten of the world's most distinctive dams.
Download or read book The World s Most Amazing Dams written by Ann Weil and published by Capstone. This book was released on 2011-07 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Profiles ten of the world's most distinctive dams.
Download or read book The Hoover Dam written by Charles River Charles River Editors and published by CreateSpace. This book was released on 2014-12-12 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: *Includes pictures *Includes accounts of the project written by workers and their family members *Includes a bibliography for further reading *Includes a table of contents "This morning I came, I saw, and I was conquered, as everyone would be who sees for the first time this great feat of mankind...Ten years ago the place where we gathered was an unpeopled, forbidding desert. In the bottom of the gloomy canyon whose precipitous walls rose to height of more than a thousand feet, flowed a turbulent, dangerous river...The site of Boulder City was a cactus-covered waste. And the transformation wrought here in these years is a twentieth century marvel." - President Franklin D. Roosevelt, September 30, 1935 During the 1930s, at the height of the Great Depression, thousands of workers began work on the Hoover Dam, built in the Black Canyon, which had been cut by the powerful Colorado River. The Colorado River was responsible for the Grand Canyon, and by the 20th century, the idea of damming the river and creating an artificial lake was being explored for all of its potential, including hydroelectric power and irrigation. By the time the project was proposed in the 1920s, the contractors vowing to build it were facing the challenge of building the largest dam the world had ever known. As if that wasn't enough, the landscape was completely unforgiving, as described by the famous explorer John Wesley Powell generations earlier: "The landscape everywhere, away from the river, is of rock--cliffs of rock, tables of rock, plateaus of rock, terraces of rock, crags of rock--ten thousand strangely carved forms...cathedral shaped buttes, towering hundreds or thousands of feet, cliffs that cannot be scaled, and canyon walls that shrink the river into insignificance, with vast hollow domes and tall pinnacles and shafts set on the verge overhead; and all highly colored." The engineering that went into the Hoover Dam was not just dangerous but unprecedented, to the extent that the Hoover Dam relied on building methods that had never been proven effective on such a giant scale. The project also had to employ tens of thousands of people in often dangerous working conditions, which resulted in scores of deaths. At the same time, however, the large number of men that traveled to work on the project helped turn Las Vegas, a nearby small desert town in Nevada, into Sin City. Despite all the difficulties, the Hoover Dam was completed on time, and President Roosevelt summed up just how impressive the accomplishment was in his speech dedicating the site in 1935: "We are here to celebrate the completion of the greatest dam in the world, rising 726 feet above the bedrock of the river and altering the geography of a whole region: we are here to see the creation of the largest artificial lake in the world-115 miles long, holding enough water, for example, to cover the whole State of Connecticut to a depth of ten feet; and we are here to see nearing completion a power house which will contain the largest generators and turbines yet installed in this country, machinery that can continuously supply nearly two million horsepower of electric energy." The Hoover Dam: The History and Construction of America's Most Famous Engineering Project chronicles the construction of America's most famous dam. Along with pictures of important people, places, and events, you will learn about the Hoover Dam like never before, in no time at all.
Download or read book The World s Highest Dams Largest Earth and Rock Dams Greatest Man made Lakes Largest Hydroelectric Plants Major Dams written by and published by . This book was released on 1975 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Big Dams of the New Deal Era written by David P. Billington and published by University of Oklahoma Press. This book was released on 2017-04-20 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: The massive dams of the American West were designed to serve multiple purposes: improving navigation, irrigating crops, storing water, controlling floods, and generating hydroelectricity. Their construction also put thousands of people to work during the Great Depression. Only later did the dams’ baneful effects on river ecologies spark public debate. Big Dams of the New Deal Era tells how major water-storage structures were erected in four western river basins. David P. Billington and Donald C. Jackson reveal how engineering science, regional and national politics, perceived public needs, and a river’s natural features intertwined to create distinctive dams within each region. In particular, the authors describe how two federal agencies, the Army Corps of Engineers and the Bureau of Reclamation, became key players in the creation of these important public works. By illuminating the mathematical analysis that supported large-scale dam construction, the authors also describe how and why engineers in the 1930s most often opted for massive gravity dams, whose design required enormous quantities of concrete or earth-rock fill for stability. Richly illustrated, Big Dams of the New Deal Era offers a compelling account of how major dams in the New Deal era restructured the landscape—both politically and physically—and why American society in the 1930s embraced them wholeheartedly.
Download or read book Amazing Dams written by Joanne Mattern and published by Top Rank. This book was released on 2024-07-15 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: See the power of six wonders of engineering while reading the STEM-focused Amazing Dams. Each chapter presents easily digested information on what makes one of the world's greatest airports unique, with details on its history, special features, and significance. Bolstered by lively layouts with captivating photos, readers will experience each design marvel first-hand. Amazing Dams is capped with a colorful map, exciting facts, and a numbers-focused infographic, with learning further enhanced by a glossary, reading suggestions, and a thorough index.
Download or read book Roller compacted Concrete Dams written by Kenneth D. Hansen and published by McGraw-Hill Companies. This book was released on 1991 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Roller compacted concrete (RCC) represents a major advance in dam-building technology. The RCC method speeds construction & reduces the costs of building without compromising safety. This work focuses on the cutting edge of RCC design technology, describing the costs & benefits of a variety of technical approaches, & offering an extensive survey of completed RCC dams & the participants involved in building them.
Download or read book The Future of Large Dams written by Thayer Ted Scudder and published by Earthscan. This book was released on 2012 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: Viewed by some as symbols of progress and by others as inherently flawed, large dams remain one of the most contentious development issues on Earth. Building on the work of the now defunct World Commission on Dams, Thayer Scudder wades into the debate with unprecedented authority.Employing the Commission's Seven Strategic priorities, Scudder charts the 'middle way' forward by examining the impacts of large dams on ecosystems, societies and political economies. He also analyses the structure of the decision-making process for water resource development and tackles the highly contentious issue of dam-induced resettlement, illuminated by a statistical analysis of 50 cases.
Download or read book Dams written by Rebecca Pettiford and published by Amazing Structures. This book was released on 2015-06-15 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Dams, early fluent readers will learn why dams are built and how they work. Vibrant, full-color photos and carefully leveled text will engage young readers as they explore the built world around them. An infographic illustrates how dams can be used to make electricity, and an activity offers kids an opportunity to extend discovery. Children can learn more about dams using our safe search engine that provides relevant, age-appropriate websites. Dams also features reading tips for teachers and parents, a table of contents, a glossary, and an index. Dams is part of Jump!'s Amazing Structures series.
Download or read book Impacts of Large Dams A Global Assessment written by Cecilia Tortajada and published by Springer Science & Business Media. This book was released on 2012-02-02 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the most controversial issues of the water sector in recent years has been the impacts of large dams. Proponents have claimed that such structures are essential to meet the increasing water demands of the world and that their overall societal benefits far outweight the costs. In contrast, the opponents claim that social and environmental costs of large dams far exceed their benefits, and that the era of construction of large dams is over. A major reason as to why there is no consensus on the overall benefits of large dams is because objective, authoritative and comprehensive evaluations of their impacts, especially ten or more years after their construction, are conspicuous by their absence. This book debates impartially, comprehensively and objectively, the positive and negative impacts of large dams based on facts, figures and authoritative analyses. These in-depth case studies are expected to promote a healthy and balanced debate on the needs, impacts and relevance of large dams, with case studies from Africa, Asia, Australia, Europe and Latin America.
Download or read book Dams and Development written by Sanjeev Khagram and published by Cornell University Press. This book was released on 2018-08-06 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: Big dams built for irrigation, power, water supply, and other purposes were among the most potent symbols of economic development for much of the twentieth century. Of late they have become a lightning rod for challenges to this vision of development as something planned by elites with scant regard for environmental and social consequences—especially for the populations that are displaced as their homelands are flooded. In this book, Sanjeev Khagram traces changes in our ideas of what constitutes appropriate development through the shifting transnational dynamics of big dam construction. Khagram tells the story of a growing, but contentious, world society that features novel and increasingly efficacious norms of appropriate behavior in such areas as human rights and environmental protection. The transnational coalitions and networks led by nongovernmental groups that espouse such norms may seem weak in comparison with states, corporations, and such international agencies as the World Bank. Yet they became progressively more effective at altering the policies and practices of these historically more powerful actors and organizations from the 1970s on. Khagram develops these claims in a detailed ethnographic account of the transnational struggles around the Narmada River Valley Dam Projects in central India, a huge complex of thirty large and more than three thousand small dams. He offers further substantiation through a comparative historical analysis of the political economy of big dam projects in India, Brazil, South Africa, and China as well as by examining the changing behavior of international agencies and global companies. The author concludes with a discussion of the World Commission on Dams, an innovative attempt in the late 1990s to generate new norms among conflicting stakeholders.
Download or read book Dams written by Chris Oxlade and published by Heinemann-Raintree Library. This book was released on 2005-12-06 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: This updated edition asks some great questions. What are dams used for? Who built the first dams? How do dams affect the environment? You'll find the answers to these questions and many more in Building Amazing Structures. Each book in the series looks at some of today's most amazing structures from around the world. Begin your journey by reading about similar structures in history and how they were built. Then discover the techniques and materials that today's engineers and builders use to make even more amazing structures. Finally, learn about structures that failed and why.
Download or read book The World s Highest Dams Largest Earth and Rock Dams Greatest Man made Lakes Largest Hydroelectric Plants Major Dams written by United States. Bureau of Reclamation and published by . This book was released on 1978 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Hoover Dam written by Jeffrey Zuehlke and published by Lerner Publications ™. This book was released on 2017-08-01 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Hoover Dam is one of the largest dams in the world! It provides power and water to people in Arizona, Nevada, Utah, and California. Just how does the Hoover Dam work? And how many people did it take to build this amazing structure? Read this book to find out! Learn all about some remarkable sites in the Famous Places series - part of the Lightning Bolt BooksTM collection. With high-energy designs, exciting photos, and fun text, Lightning Bolt BooksTM bring nonfiction topics to life!
Download or read book The Large Dam Dilemma written by Pu Wang and published by Springer Science & Business Media. This book was released on 2013-10-18 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Large dam construction has significant environmental and social impacts at different scales. As the largest developing country in the world, China has built about half of the world’s large dams, and more are expected to be built over the next two decades to meet the country’s rapidly growing demand for energy. This book summarizes and updates information about the history, distribution, functions, and impacts of large dams, both globally and at China’s national level. It then addresses the environmental and social-economic impacts of large dams in China with particular emphasis on the impacts of large dams on relocated people and associated compensation policies. Lastly, it introduces an integrated ecological and socio-economic study conducted in areas affected by dams along the Upper Mekong River, China. This book has the following three goals. The first goal is to summarize and update information on large dams globally and at China’s national level (Ch. 2). We examine large dam problems from different perspectives, ranging from their spatial and temporal distributions and their environmental and social impacts, to discussions and debates centered on them. We also incorporate the results of an empirical investigation of the environmental and socio-economic impacts of large dams on the Upper Mekong River, China, and draw conclusions out of the analysis (Chs.3 & 4). Our second goal is to provide an analysis framework to help understand the environmental and social-economic impacts of dam construction and the resulting environmental degradations and social inequities at different scales (Chs.3 & 4), as well as to offer recommendations for mitigating these impacts within China’s socio-political context (Ch. 5). The significant environmental effects resulting from dam construction include damage to ecological integrity and loss of biological diversity. The most significant social consequences brought by dam projects are their negative impacts on relocated people. Our analysis framework provides approaches to help comprehensively understand these impacts. Our third goal is to provide clues and suggestions for further studies of large dam problems both globally and in China (Ch. 5). The construction of large dams is proceeding rapidly in different parts of the world despite the heated debates on whether they should be built at all. The decision-making process related to building large dams involves considerations of economic viability, environmental sustainability, and social equity. Therefore, interdisciplinary collaborations are required in large dam research and development projects in order to reconcile the interests of different stakeholders and avoid harming ecosystems, biodiversity, and human welfare. Overall, we hope our book facilitates future examinations of large dams by providing summaries of existing data and research related to large dams, and offering a framework for better understanding and analyzing their environmental and social impacts.
Download or read book Three Gorges Dam written by Jr. Earle Rice and published by Mitchell Lane. This book was released on 2019-07-04 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Three Gorges Dam on the Yangtze River in China is the largest hydroelectric dam in the world. Chinas revered leader Sun Yat-sen conceived of it in 1919. Plans for its design and construction spanned several generations. Over the years, it suffered many delays and setbacks. It finally became a reality almost a century later. The massive structurea true engineering marvelbecame fully operational in July 2012. Since its inception, the huge dam has attracted great praise and equally great criticism. Its supporters point to its benefits, mainly flood control, power production, and improved navigation on the river. Detractors of the dam voice concerns over its negative effects on the ecology and environment. Both sides back their positions with convincing arguments. Only time will tell whether the dams benefits will outweigh its liabilities. In either case, the Three Gorges Dam stands tall on the river.
Download or read book Dams and Public Safety written by Robert B. Jansen and published by . This book was released on 1980 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
