Saint Louis Gateway Arch , Missouri
The Arch is the tallest national monument in the United States at 630 feet.
The Arch is a structure known as a catenary curve, the shape a free-hanging chain takes when held at both ends, and considered the most structurally-sound arch shape. The span of the Arch legs at ground level is 630 feet, the same as its height.(Shape of Arch Section Equilateral Triangle)
The Arch sways a maximum of 18" (9" each way) in a 150 mph wind. The usual sway is 1/2".
Capacity of Observation Platform at the top is 100 - 140 persons.
Androeschen 06/01/2008 20:19
Ja das gefällt mir auch sehr gut.Lg Andrea
Bettina Schneider 14/09/2007 22:21
impressive building, excellent presentation! cheers bettinaIlidio Fernandes 12/09/2007 0:25
Very good. i like it.Corina Zaremba-Wagner 12/09/2007 0:10
Das ist für meinen Geschmack eine fantastische Aufnahme!!!LG Corina
Andrea Bloss 11/09/2007 22:18
WOOOW -a very impressing architecture - photo!
The perspective is very special!
Looks very abstract!
Greetings,
Andrea!