Bridges! pdf epub mobi txt 电子书下载 2024

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Johmann, Carol

1999-10

$ 27.63

9780613277518

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发表于2024-09-20

Bridges! epub 下载 mobi 下载 pdf 下载 txt 电子书下载 2024

Bridges! pdf epub mobi txt 电子书下载 2024

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A wide, winding river with soft banks and rock ledge known for its fossils separates a growing year-round island community from the neighboring metropolis ... and you're in charge.-- The Challenge: Design, site, engineer, and build the most cost-effective, aesthetically pleasing, structurally and environmentally sound bridge possible.-- What kind of bridge? Is a suspension, cable stayed, drawbridge, vertical lift, swing bridge, a truss, or a cantilevered structure best?-- Can you incorporate the old beauty of a covered bridge using new technology and materials?-- Will the incredible arch and the trusted triangle play a role in engineering and design?-- Where will you site your bridge to preserve nature and community?Here Kaleidoscope Kids become master bridge builders, who meet with success and failure, weigh risks, reconcile cost versus safety, and link aesthetics, environment, and science.

Bridges! 下载 mobi epub pdf txt 电子书