Essay sample eiffel tower essay

Remember that on the real test you will get a mix of questions from different topics, but for educational reasons we used thematic questions about holidays in this IELTS Speaking sample.

Essay sample eiffel tower essay

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Essay sample eiffel tower essay

It was named after its designer, Gustave Eiffel. The opening of the tower in also provided the first large-scale demonstration of the passenger safety elevator Moffett,p. Inthe minister of commerce and industry, Edouard Lockroy, took up and promoted the idea of a thousand-foot tower as a Babel-like symbol for the fair.

Intwo Americans drew up plans for another for the Philadelphia Centennial Exposition of The most ambitious tower to have actually been erected was the Washington Monument completed in But this foot obelisk is far smaller than the thousand-foot tower that had became an obsession of 19th century engineers.

He gained fame for his graceful bridge designs and used his experience with iron construction to design the Eiffel Tower Moffett,p.

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The Eiffel project had been on paper since the latter part of when Maurice Koechlin, chief of research at Eiffel and Company, together with Emile Nouguier and prompted by official talk of the Exposition ofbegan initial studies for a tower Harriss,p.

During the earlier parts of his career, Eiffel was able to develop a workable formula for designing arches good for all wrought-iron construction.

This formula became one of his most valued tools in creating the sturdy but light structures that became his hallmark, enabling him to reduce trusswork without sacrificing strenght and rigidity. Harriss described how the construction of the Eiffel tower took place: Champ de Mars is composed of about 50 feet deep gray plastic clay resting on a solid foundation chalk with an upper layer of compact sand and gravel 20 feet thick which slopes toward the river Seine.

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This threatened to be the first obstacle to the Tower. By sinking the foundation of the north and west corners or piers 16 feet deeper than the east and south piers, Eiffel would have a solid footing for a thousand-foot tower.

Work began on all four foundations using caissons to avoid the excavations to be hampered by water seepages. Into each excavation was poured a bed of quick-setting cement.

Over the cement was placed enormous blocks of limestone which was in turn capped by two layers of hard cut stone. In the center of the mass were two great anchor bolts 26 feet long and four inches in diameter, to which a cylindrical flanged iron shoe was attached.

The column would be bolted to the shoe and thus locked into the heart of the stone mass.

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The pressure from the columns were calculated to be 10 pounds per square inch whereas the stone could support pounds per square inch. Eiffel aslo placed a piston that could be moved by water under pressure in the hollow of each shoe in the stone mass to give hime the ability to raise or lower the columns to insure that the piers were in a perfectly horizontal plane when the time came to join them with a band of girders at the first platform, otherwise, the deviation would throw the Tower disastrously off vertical when it reached its full height.

Essay sample eiffel tower essay

Only one-third of the 2. The pieces were hoisted into position by tall, steam-powered cranes.The Eiffel Tower is a landmark and an early example of wrought-iron construction on a gigantic scale. It was designed and built by the French civil engineer Gustave Alexandre Eiffel for the Paris World’s Fair of % FREE Papers on The funniest story i ever heard essays.

Sample topics, paragraph introduction help, research & more. Class , high school & college. - - Page The movie has an important place in American history—and the history of LIF. On this page you can find full IELTS Speaking sample with questions related to Holidays topic.. See IELTS Speaking vocabulary for Travel & Holidays topic >.

This IELTS Speaking sample has 3 parts with questions related to Holidays topic. Remember that on the real test you will get a mix of questions from different topics, but for educational reasons we used thematic questions about holidays in.

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