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Construction, arches, steel, system, span, distribution point, amount, surpass
1. The long spans of Roman viaducts were supported by semicircular …, resting on piers of stone or masonry.
2. A well-preserved example is the … over the Tapus River. At Alcantara, Spain.
3. The next advance in viaduct … did not occur until the late 18-th century development of iron bridges and the 19-th century introduction of ….
4. In modern engineering aqueduct refers to a … of pipes, ditches, canals, tunnels and supporting structures used to convey water from its source to its main ….
5. Modern aqueducts, although lacking the arched grandeur of those built by the Romans, greatly … the earlier ones in length and in the … of water they can carry.
IV. Match the word with the corresponding number:
A. Cable-stayed bridge B. Suspension cable C. Tower D. Pier E. Suspender (hanger) F. Trussed arch bridge G. Trussed arch H. Suspension bridge J. Abutment (end pier) K. Reinforced concrete bridge | L. Reinforced concrete pier M. Viaduct N. Stone arch bridge, a solid bridge arch O. Abutment P. Solid-web girder bridge (beam bridge) Q. Arch span R. Inclined tension cable S. Reinforced concrete arch T. Truss element U. Road surface |
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