Результаты (
английский) 3:
[копия]Скопировано!
1. the strength of good brick, steel, natural stone is not changing over time. 2. the concrete for a long time, will become stronger. 3. beli apply strength concrete for 100 per cent, about 1 1 / 2 years, she will be in two years, 150, 200, and in five years - 225%. 4. dense concrete морозостоек. 5. strength, resistant, density, морозостойкость make concrete is a construction material, suitable for the construction of the hydraulic structures. concrete well protected from the shock wave, and light exposure. 6. the official date of reinforced concrete as 1867 when a french gardener ж.монье received the first patent for the reinforced concrete as a building material. 7. ж.монье made of concrete and кадки flower pots, small pools of water, and other products. 8. the first reinforced concrete bridge was built in 1875. 9. russian engineers had had a great impact on the development of reinforced concrete construction. the engineers used reinforced concrete as a building material in leningrad, east and other places. 10. several industrial and civil buildings, executed, partially reinforced concrete, preserved to this day. 11. in 1904, near the mykolayiv was built the world's first reinforced concrete lighthouse. 12. with the end of the 19th century in construction
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