Bridges (Library of Congress Visual Sourcebooks) pdf epub mobi txt 電子書下載 2024

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Richard L. Cleary

W. W. Norton & Company

2007-04-17

336

USD 75.00

Hardcover

9780393731361

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发表于2024-11-24

Bridges (Library of Congress Visual Sourcebooks) epub 下載 mobi 下載 pdf 下載 txt 電子書下載 2024

Bridges (Library of Congress Visual Sourcebooks) pdf epub mobi txt 電子書下載 2024

圖書描述

Bridges are such ubiquitous features of the built environment that we cross most of them barely acknowledging their presence. Certain bridges, however, command attention: for their utility facilitating travel from here to there; for their size, setting, beauty, or historical associations. Ordinary or spellbinding, every bridge is a response to a problem the spanning of a river or other obstacle, solved more or less elegantly. This visual sourcebook surveys American bridges from coast to coast in terms of four fundamental structural types (beam, arch, truss, and suspension) and the special category of movable bridges (swing, lift, and bascule) showing how similar structural ideas have been addressed by different designers, refined over time, and rendered in various building materials. A special feature is "A Call for Preservation" of the American bridge engineering heritage by Eric DeLony, formerly chief of the Historic American Engineering Record, National Park Service.

Bridges (Library of Congress Visual Sourcebooks) 下載 mobi epub pdf txt 電子書