The Technical World Magazine, Volume 6Technical World Company, 1906 |
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Page 89
... structure . tion to its own weight ( estimated at 100,000,000 pounds ) , a load of 6,300 pounds per linear foot , regular traffic , and 12,600 pounds of conjested traffic ; on each elevated railroad track , a load of 52 tons on four ...
... structure . tion to its own weight ( estimated at 100,000,000 pounds ) , a load of 6,300 pounds per linear foot , regular traffic , and 12,600 pounds of conjested traffic ; on each elevated railroad track , a load of 52 tons on four ...
Page 90
... structure . The Blackwell's Island Bridge , however , is not a perfect canti- lever type , as the two cantilever arms meet at the center of the span , instead of carrying a short suspended structure between them . In Reality two Bridges ...
... structure . The Blackwell's Island Bridge , however , is not a perfect canti- lever type , as the two cantilever arms meet at the center of the span , instead of carrying a short suspended structure between them . In Reality two Bridges ...
Page 429
... structure , however , is only one - fifth the size of the Connecticut Avenue bridge ; it was built in 1902 , and consists of three 140 - foot arches , requiring 12,100 cubic yards of concrete . Compared with the other bridges in this ...
... structure , however , is only one - fifth the size of the Connecticut Avenue bridge ; it was built in 1902 , and consists of three 140 - foot arches , requiring 12,100 cubic yards of concrete . Compared with the other bridges in this ...
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