Bridges and MenGrosset & Dunlap, 1966 - 343 páginas |
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Página 12
... island called in ancient times the Island of Aesculapius , now the Isola Tiberina . The isle was joined to the left bank by the Fabricius , and to the right by the Pons Cestius , built 60–36 B.c. by Lucius Cestius , the city's governor ...
... island called in ancient times the Island of Aesculapius , now the Isola Tiberina . The isle was joined to the left bank by the Fabricius , and to the right by the Pons Cestius , built 60–36 B.c. by Lucius Cestius , the city's governor ...
Página 261
... islands to provide portals and bridge connec- tions . Still another " island , " a De Long " floating island , " is involved in the construction . A sort of super - Texas - Tower , this huge rig floats into position , then puts legs ...
... islands to provide portals and bridge connec- tions . Still another " island , " a De Long " floating island , " is involved in the construction . A sort of super - Texas - Tower , this huge rig floats into position , then puts legs ...
Página 262
... island . On one of the islands , Merritt - Chapman's engineers encountered an unexpected problem - the bottom turned out to be very soft and likely to settle under the weight of the island . To meet this threat , a company known as the ...
... island . On one of the islands , Merritt - Chapman's engineers encountered an unexpected problem - the bottom turned out to be very soft and likely to settle under the weight of the island . To meet this threat , a company known as the ...
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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American appearance arch army became British Brooklyn building built cables caisson called cantilever carried century Civil completed connected construction cost covered cross deep Eads East engineer fall famous feet Figure finally fire five followed force foundations four French gave George girder hand head heavy Henry houses hundred important iron Island Italy James John known later length less loading London Louis March Michigan middle miles named nearly never once Paris passed piers piles Pont problem rail railroad Rennie river road roadway Robert Roebling Roman running shore side soon span stand steel Steinman Stephenson stone story stream structure suspension bridge Telford Thomas timber tion took tower town train truss tunnel turned United Washington whole wind wire York