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单词 Bollman truss
释义

Bollman truss

英语百科

Bollman Truss Railroad Bridge

(重定向自Bollman truss)
Paired end posts at mid-span showing connection of diagonal tension members with anchor casting.
Bollman Truss Bridge At Harpers Ferry

The Bollman Truss Railroad Bridge at Savage, Maryland is the sole surviving example of a revolutionary design in the history of American bridge engineering. The 160-foot (48.8 m) double-span truss bridge is one of the oldest standing iron railroad bridges in the United States; currently, however, it is in use carrying the Savage Mill Trail across the Little Patuxent River. It was the first successful all-metal bridge design to be adopted and consistently used on a railroad. The type was named for its inventor, Wendel Bollman, a self-educated Baltimore engineer.

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更新时间:2025/6/19 10:16:26