- stepped extrados
- extrados en escalier m
Dictionary of Engineering, architecture and construction – materials & technologies, 2nd edition, la Maison du dictionnaire. 2007.
stepped extrados
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Skew arch — A skew arch (also known as an oblique arch) is a method of construction that enables an arch bridge to span an obstacle at some angle other than a right angle. This results in the faces of the arch not being perpendicular to its abutments and its … Wikipedia
