bridge
Opened in 1937, the main span of 4200 ft was the longest single span at that time and retained this distinction for 29 years. Principal designer was Joseph Strauss who had previouly collaborated with Ammann on the George Washington Bridge in New York City.
Golden Gate Bridge from the south. The south tower required a pier founded in the deep water of the harbor entrance, and this proved to be one of the major engineering problems. The long span was to avoid a second tower also being in the channel. Towers are 746 ft high, the tallest of their time.
Detail of the south anchorage of Golden Gate Bridge, showing cable passing through the approach arch span. The arch truss is 2-hinged.
Specimen of cable used in the Golden Gate Bridge. On display at the south end of the bridge it also provides some interesting bridge data.
View from top of south tower of Golden Gate Bridge looking north and down on the main span.
Top of south tower of Golden Gate Bridge, showing one of the cable saddles. Note the figures at the base of the saddle which give a sense of scale.
Golden Gate Bridge during the 1984 redecking. Starting from the north (far) end, successive sections of the roadway were removed and replaced by units of approximately half the original weight. When the worked reached mid-span, the resulting differential distributed loading caused the S-shaped deflection of the bridge.
Close up of the deformed stiffening truss
This is the same basic problem as that of the Chelsea Bridge but on a much larger scale. Again the cables are fixed to saddles at the top of the towers, but the base of the column is fixed, not hinged. In the transverse direction, the two posts of the tower are connected by framing members which greatly increases the transverse stiffness.
Bottom of the Golden Gate Bridge tower. In the transverse direction the two posts of the tower are heavily X-braced below road level, greatly increasing the transverse stiffness of the tower at road level.
Golden Gate Bridge
building type
involved parties
Joseph Baermann Strauß (architecture)
Charles Alton Ellis (structural engineering)
Irving Foster Morrow (architecture)
Charles Alton Ellis (structural engineering)
Irving Foster Morrow (architecture)
address
- United States of America
- Staat
- California
- state
- San Francisco County
- county
- San Francisco
- city
- http://www.goldengate.org
- website / homepage
map/aerial view
time line
| period | description |
|---|---|
| 1937 | planning and construction period |
description
Wikipedia article
reference
- The Golden Gate Bridge
B. S. Glassman, C. A. Doherty, K. M. Doherty
Blackbirch Marketing; 1995
- Superspan
The Golden Gate Bridge
T. Horton, Wolman
Squarebooks; 1998
- Richard Misrach: Golden Gate
D. Walker, R. Misrach, T. J. Clark
Arena Editions; 2001
- Website über die Golden Gate Bridge
http://www.goldengate.org
- Morrow und die Golden Gate Bridge von San Francisco, 1933-1937
in: Faszination Brücken, Baukunst, Technik, Geschichte
R. J. Dietrich
Callwey; 1998
page 194–204
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last update: 10/7/2009
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