Transcription of アーチ橋のお話し - nakanihon.co.jp
1 1 0. 1 1 ( ) 1. (arch) (dome) (vault) (springing)
2 4 2 ,14BC, 1673 4 III , ,1890, , 3 2. 5 center 5 3.
3 6 4 4. arch rib rise 2:1 4 20.
4 1 (braced rib) (solid rib) 7 1955(Wikipedia ) 5 5. 1000 Sydney Harbour Bridge,1932 ( )
5 ( ) (1910) (1951) 6 . (1) (2-1) (2-2) (2-3) tied arch (2) Langer (3) (Lohse)
6 8 (2-1) (2-2) (Nielsen) (trussed arch) 7 7. ( ) (Rahmen) (1930) 10 10 (Robert Maillart,1872-1940) Frickr from YAHOO!,20060806 (open spandrel arch) ( 11) Stabbogen 11 8 8.
7 7 1969 12 200m/sec (m)/100 8.
8
