Bridges and MenGrosset & Dunlap, 1966 - 343 páginas |
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Página 143
... wind forces : High winds 6 lbs . per sq . ft . Very high winds 8 to 9 lbs . per sq . ft . Tempest 12 lbs . per sq . ft . These wind forces were not inaccurate . As far as bridge construc- tion was concerned they simply were based on a ...
... wind forces : High winds 6 lbs . per sq . ft . Very high winds 8 to 9 lbs . per sq . ft . Tempest 12 lbs . per sq . ft . These wind forces were not inaccurate . As far as bridge construc- tion was concerned they simply were based on a ...
Página 185
... wind . What caused its fall was a pattern of vibrations set up by a prolonged wind . Steinman notes that in the newspaper account above , the key words are , " Each vibration giving it increased momentum . ” The description in the ...
... wind . What caused its fall was a pattern of vibrations set up by a prolonged wind . Steinman notes that in the newspaper account above , the key words are , " Each vibration giving it increased momentum . ” The description in the ...
Página 247
... wind is a complex force , and under certain circumstances its action can have very complex results . The wind tunnel , still a novel device in the 1930s , required considerable further sophistication . At the same time , the dead weight ...
... wind is a complex force , and under certain circumstances its action can have very complex results . The wind tunnel , still a novel device in the 1930s , required considerable further sophistication . At the same time , the dead weight ...
Índice
How Bridges Were Invented | 1 |
The Mighty Roman Arch | 7 |
The Engineer Vanishes from Europe but Appears in Asia | 19 |
Direitos de autor | |
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Palavras e frases frequentes
Abutment American Ammann anchorage army bedrock bridge engineering bridge-building bridge's British Brooklyn Bridge building built cables caisson canal cantilever Captain carried century Civil Engineers Colonel completed construction covered bridge cross deck DeLisio Eads's East famous feet ferry Figure fire Firth Firth of Tay foundations four French Galloping Gertie George Henry High Girders hundred inches Island James Eads John Rennie John Roebling later loading locomotive London Bridge long-span Louis Bridge main span masonry Menai Menai Strait miles Mississippi modern named Niagara Othmar H Paris Perronet piers piles Pont Pont-Neuf pontoons problem rail railroad bridge Remagen Rennie Rialto river road roadway Robert Stephenson Roebling's semicircular shore side steel Steinman stone arch stood Strait stream structure suspension bridge suspension span Telford Thomas Bouch timber tion took tower traffic train truss tube tunnel Washington Roebling Wheeling wind wire York