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| 1. верхний пояс фермы | a) Top chord of truss |
| 2. изгиб | b) Flexure |
| 3. нижний пояс фермы | c) Bottom chord of truss |
| 4. обычный бетон | d) Ordinary concrete |
| 5. плита | e) Slab |
| 6. преднапряженный бетон | f) Stressed concrete |
| 7. пустоты | g) Hollow spaces |
| 8. растягивающее усилие | h) Tension |
| 9. ребристая конструкция | i) Ribbed structure |
| 10. сборный бетон | j) Precast concrete |
| 11. сжатие | k) Compression |
| 12. стенка балки | l) Beam web, girder web |
Here are the answers to some questions about reinforced concrete bridges. Make up the questions.
1. The first concrete bridge with 16 m span was erected in France in 1875.
2. The earliest Russian reinforced concrete beam bridge was built by the design of Professor N. Belelyubsky in 1893.
3. The following bridges are acclaimed as world records for concrete structures:
- the longest spans among beam systems are 76 m in the R.S.A.
- the longest spans among continuous beam systems are 105 m in Japan
- the longest spans among trussed girders are 63 m in Russia
- the longest spans among arch bridges are 22 m in the Ukraine
Unit 8
METAL BRIDGES
Think of different building materials and answer the following questions.
1. When do we use the term “metal bridges”?
2. What advantages does steel offer in comparison to timber or reinforced concrete?
3. What is low alloy steel?
4. What joining methods for metal elements do you know?
