... The 16th-century Italian architect A. Palladio was the first to use a framework made of several pieces of wood, but this construction method did not catch on and was not used for buildings until the 18th century. The first to build a truss bridge using trusses for the bridge girders were the Swiss Grubenmann brothers, Johannes Grubenmann and Hans Ulrich G., who built several wooden truss bridges with spans of over 50 meters in the mid-18th century on the upper reaches of the Rhine and elsewhere. The largest of these is said to be a bridge with a span of 119 meters on the outskirts of Zurich, and if this is true, it is the largest wooden truss bridge in history. ... From [Bridge]…The Pont Neuf (Pont Neuf) on the Seine River in Paris, completed in 1604, is a typical example. The truss, which is made up of rod-shaped members, was invented by the Italian A. Palladio around this time, but the first truss bridge was actually built in 1757 by the Swiss carpenters Hans Ulrick and Johannes Grubenmann, who went on to build a wooden truss bridge over the Rhine with a span of over 100 meters. The Industrial Revolution led to the use of large amounts of artificial iron as a bridge material, and in 1779 the world's first iron bridge, the Coalbrookdale Bridge, was built upstream of the River Severn in England. … *Some of the terminology that mentions "Grubenmann, HU" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… 何本かの木材を組み合わせた骨組みを最初に用いたのは16世紀イタリアの建築家A.パラディオであったが,その工法は一般には普及せず,建物などに使われるようになったのは18世紀に入ってからである。初めて橋桁にトラスを用いたトラス橋を架けたのはスイスのグルベンマン兄弟Johannes Grubenmann,Hans Ulrich G.で,18世紀中期にライン川上流などに支間長50mを超える木造トラス橋をいくつか建設している。その最大はチューリヒ郊外の119mの支間長の橋と伝えられているが,事実とすれば古今を通じ最大の木造トラスである。… 【橋】より…1604年完成のパリ,セーヌ川のヌフ橋(ポン・ヌフPont Neuf)はその代表的な例である。棒状部材を組み立てたトラスは,このころイタリアのA.パラディオにより考案されたが,実際に初のトラス橋をつくったのは1757年,スイスの大工グルベンマン兄弟Hans Ulrick & Johannes Grubenmannで,彼らはその後もライン川に支間100mを超す木造トラス橋を架けている。 産業革命を契機として,橋の材料も人工の鉄が大量に使えるようになり,1779年イングランド,セバーン川の上流に世界初の鉄の橋コールブルックデール橋が建設された。… ※「Grubenmann,H.U.」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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