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A number of – ряд
1. For the construction of the tower special steel number 35 was used. 2. A number of temporary columns supported the completed arch trusses.
VII. Translate the sentences, paying attention to participle I and participal constructions:
1. The construction of the foundation for the massive towers flanking the bridge presented unusual difficulties. 2. Including the approaches the total length of the Sydney Bridge is 2 ¾ miles. 3. The arch was completed, the bridge floor being constructed by suspending heavy beams. 4. The Niagara Falls span is a 950 foot steel arch, it being the longest hingeless span. 5. Being so close to the ground, a structure could easily be heavy in appearance. 6. The bridge has a 64ft clear span, the carriageway being 82ft wide. 7. Many proposals for a bridge had been made, some of them dating back a century ago.
VIII. Translate the following sentences, paying attention to the “-ed” forms of the verbs:
1. An interesting steel arch completed at the beginning of the 20th century is the Victoria Falls Bridge in South Africa. 2. Built over a 400 foot deep Gorge, it was the highest bridge at that time. 3. Four of the biggest single members of steel ever erected entered into the construction of the arch.
IX. Read the following text without a dictionary:
Lindental’s greatest creation was the Hell Gate Arch. The Hell Gate Arch Bridge has a span of 1017 feet centre to centre of steel bearing, a clearance height of 135 feet and a total height of 305 feet above mean high water. The roadway carries four railway tracks. It was the heaviest bridge in the world for that time. 52000 pounds per lineal foot is the weight of the structure itself. The latter figure is greater than the combined weights of the Manhattan and Queensboro structures which had previously been the heaviest bridges in the world. The details of the Hell Gate arch are unusual in magnitude. It is an architectural masterpiece. It proved that an arch of steel could be a thing of beauty.
X. Make a plan of the text. Retell the text.
XI. What can you say about new modern arch bridges.
XII. Speak of arch bridges in St-Petersburg.
IV
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