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Bridges: The science and art of the world’s most inspiring structures

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Bridges: The science and art of the world's most inspiring structures by David Blockley
English | 2010 | ISBN: 0199543593 | 329 Pages | PDF | 2 MB
The Brooklyn Bridge, London's Tower Bridge, Sydney's Harbour Bridge, San Francisco's Golden Gate–bridges can be breathtakingly monumental structures, magnificent works of art, and vital arteries that make life vastly easier.

Bridges: The science and art of the world’s most inspiring structures
In Bridges , eminent structural engineer David Blockley takes readers on a fascinating guided tour of bridge construction, ranging from the primitive rope bridges (now mainly found in adventure movies), to Roman aqueducts and the timber trestle railway bridges of the American West, to today's modern marvels, such as the Akashi-Kaikyo Bridge, which has the largest span in the world. Blockley outlines the forces at work on a bridge–tension, compression, and shear–and the basic structural elements that combat these forces–beams, arches, trusses, and suspensions (or BATS). As he does so, he explores some of the great bridges around the world, including such lesser-known masterpieces as the Forth Railway Bridge (featured in Alfred Hitchcock's The Thirty-Nine Steps ), and describes some spectacular failures, such as the recent bridge collapse in Minnesota or the famous failure of the Tacoma Narrows Bridge in 1940. For instance, Blockley discusses the London's Millennium Bridge–the blade of light across the Thames–which displayed an alarming wobble when opened. He explains that when people walk, they not only exert force directly forward, but also exert a lesser force to the side, and the Millennium Bridge engineers did not consider this tiny lateral movement in their otherwise meticulous design. Amazingly enough, this minor omission caused a wobble severe enough to close the bridge for two years. Bridge building is a magnificent example of the practical use of science. But as Blockley shows in this illuminating book, engineers must go beyond science, blending technical experience and creativity to build the spans that connect us all.
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Bridges: The science and art of the world’s most inspiring structures

FREEDownload : Bridges: The science and art of the world’s most inspiring structures

Bridges: The science and art of the world's most inspiring structures by David Blockley
English | 2010 | ISBN: 0199543593 | 329 Pages | PDF | 2 MB
The Brooklyn Bridge, London's Tower Bridge, Sydney's Harbour Bridge, San Francisco's Golden Gate–bridges can be breathtakingly monumental structures, magnificent works of art, and vital arteries that make life vastly easier.

Bridges: The science and art of the world’s most inspiring structures
In Bridges , eminent structural engineer David Blockley takes readers on a fascinating guided tour of bridge construction, ranging from the primitive rope bridges (now mainly found in adventure movies), to Roman aqueducts and the timber trestle railway bridges of the American West, to today's modern marvels, such as the Akashi-Kaikyo Bridge, which has the largest span in the world. Blockley outlines the forces at work on a bridge–tension, compression, and shear–and the basic structural elements that combat these forces–beams, arches, trusses, and suspensions (or BATS). As he does so, he explores some of the great bridges around the world, including such lesser-known masterpieces as the Forth Railway Bridge (featured in Alfred Hitchcock's The Thirty-Nine Steps ), and describes some spectacular failures, such as the recent bridge collapse in Minnesota or the famous failure of the Tacoma Narrows Bridge in 1940. For instance, Blockley discusses the London's Millennium Bridge–the blade of light across the Thames–which displayed an alarming wobble when opened. He explains that when people walk, they not only exert force directly forward, but also exert a lesser force to the side, and the Millennium Bridge engineers did not consider this tiny lateral movement in their otherwise meticulous design. Amazingly enough, this minor omission caused a wobble severe enough to close the bridge for two years. Bridge building is a magnificent example of the practical use of science. But as Blockley shows in this illuminating book, engineers must go beyond science, blending technical experience and creativity to build the spans that connect us all.
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Mushrooms of the Pacific Northwest: Timber Press Field Guide by Joe Ammirati

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Mushrooms of the Pacific Northwest: Timber Press Field Guide by Joe Ammirati
English | July 22, 2009 | ISBN: 0881929352 | 352 pages | EPUB | 30,6 MB

Mushrooms of the Pacific Northwest: Timber Press Field Guide by Joe Ammirati
The Pacific Northwest is one of the best places to find mushrooms – they are both abundant and spectacularly diverse. Yet until now, there has been no mushroom guide that focuses on the region. This compact, beautifully illustrated guide presents descriptions and photographs of 460 of the region's most conspicuous, distinctive, and ecologically important mushrooms.

The geographic range covered by the book includes Oregon, Washington, southern British Columbia, Idaho, and westernmost Montana, with an emphasis on the heart of mushroom country: the low- to mid-elevation forest habitats of western Oregon and Washington. In addition to profiles on individual species, Mushrooms of the Pacific Northwest also includes a general discussion and definition of fungi; information on where to find mushrooms and guidelines on collecting them; an overview of fungus ecology; and a discussion on mushroom poisoning and how to avoid it.
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Mushrooms of the Pacific Northwest: Timber Press Field Guide by Joe Ammirati

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Mushrooms of the Pacific Northwest: Timber Press Field Guide by Joe Ammirati
English | July 22, 2009 | ISBN: 0881929352 | 352 pages | EPUB | 30,6 MB

Mushrooms of the Pacific Northwest: Timber Press Field Guide by Joe Ammirati
The Pacific Northwest is one of the best places to find mushrooms – they are both abundant and spectacularly diverse. Yet until now, there has been no mushroom guide that focuses on the region. This compact, beautifully illustrated guide presents descriptions and photographs of 460 of the region's most conspicuous, distinctive, and ecologically important mushrooms.

The geographic range covered by the book includes Oregon, Washington, southern British Columbia, Idaho, and westernmost Montana, with an emphasis on the heart of mushroom country: the low- to mid-elevation forest habitats of western Oregon and Washington. In addition to profiles on individual species, Mushrooms of the Pacific Northwest also includes a general discussion and definition of fungi; information on where to find mushrooms and guidelines on collecting them; an overview of fungus ecology; and a discussion on mushroom poisoning and how to avoid it.
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Australian Longhorn Beetles: (Coleoptera: Cerambycidae)

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Australian Longhorn Beetles: (Coleoptera: Cerambycidae) by Adam Slipinski, Hermes Escalona
2013 | ISBN: 1486300030 | English | 504 pages | PDF | 67 MB

Australian Longhorn Beetles: (Coleoptera: Cerambycidae)
Longhorn Beetles (Cerambycidae) are one of the most easily recognized groups of beetles, a family that worldwide encompasses over 33,000 species in 5,200 genera. With over 1,400 species classified in 300 genera, this is the sixth largest among 117 beetle families in Australia.

Virtually all Cerambycidae feed on living or dead plant tissues and play a significant role in all terrestrial environments where plants are found. Larvae often utilize damaged or dead trees for their development, and through feeding on rotten wood form an important element of the saproxylic fauna, speeding energy circulation in these habitats. Many species are listed as quarantine pests because of their destructive role to the timber industry.

This volume provides a general introduction to the Australian Cerambycidae with sections on biology, phylogeny and morphology of adult and larvae, followed by the keys to the subfamilies and an overview of the 74 genera of the subfamily Lamiinae occurring in Australia. All Lamiinae genera are diagnosed, described and illustrated and an illustrated key to their identification is provided. A full listing of all included Australian species with synonymies and bibliographic citations is also included.

Winner of the 2014 Whitley Medal

Volume 2 is expected Fall 2015.
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Production, Growth, and the Environment: An Economic Approach

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Production, Growth, and the Environment: An Economic Approach by William L. Weber
English | 2014 | ISBN: 1482243059 | 360 pages | PDF | 34,6 MB
Written in a way that facilitates understanding of sometimes difficult concepts and laws, this book discusses the demographic transition and the escape from the Malthusian trap. It also covers the environmental Kuznets curve hypothesis that examines the relation between polluting outputs and economic welfare.

Production, Growth, and the Environment: An Economic Approach
The author integrates environmental valuation methods with the production possibility frontier approach. He examines natural resource questions regarding the optimal time to extract non-renewable resources and also examines the optimal harvest rule for renewable resources such as timber and fisheries.
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Tennessee Log Buildings: A Folk Tradition

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Tennessee Log Buildings: A Folk Tradition by John B. Rehder
English | | ISBN: 1572338741 | 192 pages | PDF | 7,4 MB

Tennessee Log Buildings: A Folk Tradition
Drawing on more than four decades of research, Tennessee Log Buildings examines one of the Volunteer State’s most precious—and fast-disappearing—traditions. From the pioneer era through the mid–twentieth century, folk builders in Tennessee used logs to construct cabins, barns, other outbuildings, schools, and churches. In warm, accessible prose that often makes this deeply researched work read like guidebook, John Rehder explores the varied styles and architectural characteristics of these fascinating structures, including their floor plans, the types of timber used, and the different notches that were cut into the logs to secure the structures.
Profusely illustrated with over one hundred images, Tennessee Log Houses traces the evolution of log houses from one-room (or single-pen) dwellings to more elaborate homes of various types, such as saddlebags, Cumberland houses, dogtrots, and two-story I-houses. Rehder discusses the historic settlement patterns and building traditions that led to this variety of house types and identifies their particular occurrences throughout the state by drawing on surveys conducted in forty-two counties by teams working for the Tennessee Historical Commission (THC). Similarly, he explores disparate barn and outbuilding types, including the distinctive cantilever barns that are found predominantly in East Tennessee. Sprinkled throughout the book are engaging anecdotes that convey just what it is like to conduct field research in remote rural areas. Rehder also describes in detail a number of the state’s exceptional log places, among them Wynnewood, an enormous structure in Middle Tennessee which dates back to the early nineteenth century and which suffered severe tornado damage in 2008.
As the author notes, many of the buildings originally identified in the THC investigations have now vanished completely while others are in serious disrepair. Thus, this book not only offers an instructive and delightful look at a key part of Tennessee’s heritage but also makes an eloquent plea for its preservation.

Until his death in 2011, JOHN B. REHDER was a professor of geography at the University of Tennessee, Knoxville. He first joined the UT faculty in 1967. He was the author of Appalachian Folkways, which won the Pioneer America Society’s Fred B. Kniffen Book Award in 2004, and Delta Sugar: Louisiana’s Vanishing Plantation Landscape, which won the Vernacular Architecture Forum’s 2000 Abbott Lowell Cummings Award.
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Civil Engineering Formulas, 2nd edition

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Civil Engineering Formulas, 2nd edition By Tyler G. Hicks
2009 | 416 Pages | ISBN: 0071614699 | PDF | 6 MB

Civil Engineering Formulas, 2nd edition
Instant Access to Civil Engineering Formulas
Fully updated and packed with than 500 new formulas, this book offers a single compilation of all essential civil engineering formulas and equations in one easy-to-use reference. Practical, accurate data is presented in USCS and SI units for maximum convenience. Follow the calculation procedures inside Civil Engineering Formulas, Second Edition, and get precise results with minimum time and effort.

Each chapter is a quick reference to a well-defined topic, including:
Beams and girders
Columns
Piles and piling
Concrete structures
Timber engineering
Surveying
Soils and earthwork
Building structures
Bridges and suspension cables
Highways and roads
Hydraulics, drams, and waterworks
Power-generation wind turbines
Stormwater
Wastewater treatment
Reinforced concrete
Green buildings
Environmental protection
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Forests for the People: The Story of America’s Eastern National Forests

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Forests for the People: The Story of America's Eastern National Forests by Christopher Johnson and David Govatski
English | 2013-01-25 | ISBN: 1610910095, 1610910109 | PDF | 408 pages | 12 MB

Forests for the People: The Story of America’s Eastern National Forests
Forests for the People tells one of the most extraordinary stories of environmental protection in our nation's history: how a diverse coalition of citizens, organizations, and business and political leaders worked to create a system of national forests in the Eastern United States. It offers an insightful and wide-ranging look at the actions leading to the passage of the Weeks Act in 1911-landmark legislation that established a system of well-managed forests in the East, the South, and the Great Lakes region-along with case studies that consider some of the key challenges facing eastern forests today.

The book begins by looking at destructive practices widely used by the timber industry in the late 1800s and early 1900s, including extensive clearcutting followed by forest fire that devastated entire landscapes. The authors explain how this led to the birth of a new conservation movement that began simultaneously in the Southern Appalachians and New England, and describe the subsequent protection of forests in New England (New Hampshire and the White Mountains); the Great Lakes region (Michigan, Wisconsin, and Minnesota), and the Southern Appalachians.

Following this historical background, the authors offer eight case studies that examine critical issues facing the eastern national forests today, including timber harvesting, the use of fire, wilderness protection, endangered wildlife, oil shale drilling, invasive species, and development surrounding national park borders.
Forests for the People is the only book to fully describe the history of the Weeks Act and the creation of the eastern national forests and to use case studies to illustrate current management issues facing these treasured landscapes. It is an important new work for anyone interested in the past or future of forests and forestry in the United States.
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Forests for the People: The Story of America’s Eastern National Forests

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Forests for the People: The Story of America's Eastern National Forests by Christopher Johnson and David Govatski
English | 2013-01-25 | ISBN: 1610910095, 1610910109 | PDF | 408 pages | 12 MB

Forests for the People: The Story of America’s Eastern National Forests
Forests for the People tells one of the most extraordinary stories of environmental protection in our nation's history: how a diverse coalition of citizens, organizations, and business and political leaders worked to create a system of national forests in the Eastern United States. It offers an insightful and wide-ranging look at the actions leading to the passage of the Weeks Act in 1911-landmark legislation that established a system of well-managed forests in the East, the South, and the Great Lakes region-along with case studies that consider some of the key challenges facing eastern forests today.

The book begins by looking at destructive practices widely used by the timber industry in the late 1800s and early 1900s, including extensive clearcutting followed by forest fire that devastated entire landscapes. The authors explain how this led to the birth of a new conservation movement that began simultaneously in the Southern Appalachians and New England, and describe the subsequent protection of forests in New England (New Hampshire and the White Mountains); the Great Lakes region (Michigan, Wisconsin, and Minnesota), and the Southern Appalachians.

Following this historical background, the authors offer eight case studies that examine critical issues facing the eastern national forests today, including timber harvesting, the use of fire, wilderness protection, endangered wildlife, oil shale drilling, invasive species, and development surrounding national park borders.
Forests for the People is the only book to fully describe the history of the Weeks Act and the creation of the eastern national forests and to use case studies to illustrate current management issues facing these treasured landscapes. It is an important new work for anyone interested in the past or future of forests and forestry in the United States.
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