Grubenmann
Several members of the Swiss family Grubenmann were famous as carpenters and civil engineers in the 18th century. The sons were innovators in bridge construction. (1668 – 27 June 1736) lived all his life in Gstalden, Appenzell Ausserrhoden where he fathered three sons: * (10 January 1694 – 5 October 1758), died in Hombrechtikon, Zürich; * Johannes Grubenmann (15 June 1707 – 10 June 1771), died in Teufen; and *Hans Ulrich Grubenmann (23 March 1709 – 22 January 1783), died in Teufen. The brothers were village carpenters in Teufen. The principal structures are known to be: *Crossing of the Rhine at Schaffhausen in two spans of 52 m and 59 m respectively, (Hans Ulrich, 1757); *A single-span of 67 m at Reichenau, (Johannes, 1757); *Crossing of the Limmat at Wettingen, a 60 m span thought to be the first use of a true arch in a timber bridge, (Hans Ulrich and Johannes, 1778). Very few of their bridges have survived, those at Schaffhausen and Wettingen being burnt by the ...
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Johannes Grubenmann
Johannes Grubenmann (15 June 1707 – 10 June 1771) was a member of the Swiss family Grubenmann who were famous as carpenters and civil engineer A civil engineer is a person who practices civil engineering – the application of planning, designing, constructing, maintaining, and operating infrastructure while protecting the public and environmental health, as well as improving existing i ...s in the eighteenth century. :''See main article: Grubenmann''. {{DEFAULTSORT:Grubenmann, Johannes 1707 births 1771 deaths Bridge engineers Swiss engineers ...
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