Exercise 1

Ответьте на следующие вопросы:

1. What does the structural design of a building depend greatly on?

2. What should be done by a construction company, if a building is constructed in an area that has a history of earthquake activity?

3. In what case the construction company has to investigate the earth to a considerable depth?

4. In what cases construction must be avoided altogether or the foundation must be made deep enough?

5. What kinds of soils expand 23 cm or more if subjected to long cycles of drying or wetting?

6. What kinds of soils compress under the building load to a fraction of their original volume?

7. What kind of soil causes the structure to settle?

8. What soils in some way often perform differently?

9. What is usually done by a construction company if the soil under a proposed building varies so greatly over the entire site?

10. What are the main goals of soil and geologic analyses before construction of a building?

11. What are the most common types of foundation systems?

12. What is the most economical type of a foundation?

13. In what cases mat foundations are typically used?

14. What types of foundations are used primarily in areas where near-surface soil conditions are poor?

15. What types of piles are used for extremely heavy or tall buildings?

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