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1. Chapter 4
Deep Foundation

2. Introduction
• Shallow foundation sometime subjected to
bearing capacity failure and/or excessive
settlement.
• The failure resulted by poor condition of
existing soil.
• In such cases, deep or pile foundations may be
used to support the structure.

3. Situation of Considering Pile
Foundation

4. Classifications of Pile Foundation

12. Example 1

15. Example 2

21. Example 3

23. Example 4

26. Example 5

28. Pile Driving Formula
• Generally, no pile driving formula has been
developed that gives accurate results for pile
capacity
• Soil resistance does not remain constant
during and after the pile driving operation
• Pile driving