The Salginatobel Bridge, spanning the Salgina Valley ravine, is the earliest surviving three-hinged, hollow box arch bridge designed by Robert Maillart.
Salgina
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Image Credit:
Courtesy Wikipedia/Rama (CC BY-SA 2.0)
Image Caption:
Salginatobel Bridge
Era_date_from:
1930
1990
Innovations
The Salginatobel Bridge, spanning the Salgina Valley ravine, is the earliest surviving three-hinged, hollow box arch bridge designed by Robert Maillart.
Maillart's 1901 invention of the concrete hollow box design became a major bridge building concept. In this design, the concrete arch…
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