| 词条 | Cathedral arch |
| 释义 |
A cathedral arch is an arch used in bridge architecture. It consists of an arched structural system, wherein vertical load bearing occurs only at the crown, or peak of the arch. As applied to bridge design, cathedral arch bridges feature no intermediary spandrel column elements between the foundation abutments and the crown of the arch system, where the roadway superstructure is constrained to the substructure. The largest cathedral arch bridge in the world is the Galena Creek Bridge near Reno, Nevada. References1. ^1 {{cite web|url=http://www.fhwa.dot.gov/eihd/natchez.htm|title=Category 9 - Highway Improvements on Publicly Owned Land|date=1996|accessdate=2014-07-16|work=Excellence in Highway Design|publisher=Federal Highway Administration}} [1]}} 2 : Architectural elements|Cathedral arch bridges |
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