1. Pertemuan 09 Penurunan Pondasi Dangkal
Matakuliah : S2094 / Rekayasa Pondasi
Tahun : 2005
Versi : 1.1
Pertemuan 09 Penurunan Pondasi Dangkal

2. Shallow Foundations - Settlement
Design Requirements
Overview of Settlement Analysis Methods
Induced Stresses Beneath Shallow Foundations
Settlement Analysis Based on Laboratory Tests
Settlement Spreadsheet
Settlement in Analysis Based on In-situ Tests
Settlement in Stratified Soils
Differential Settlement
Rate of Settlement
Accuracy of Settlement Predictions

3. Design Requirements
Total Settlement ()
Differential Settlement(D)

4.  versus D (b) Palacio de las Bellas Artes, Mexico City
(a)Leaning Tower, Pisa

5. Overview; Settlement Analysis
Plate Load Tests
Based on Laboratory Test Data
Based on In-situ Tests

6. Plate Load Tests

7. Methods for Calculating Induced Stresses
Boussinesq’s Method
Westergaard’s Method
Simplified Method
60o Approximation ( CE 3321 textbook)

8. Boussinesq’s Method

9. Boussinesq’s Method

10. Boussinesq’s Method

11. Pressure Bulbs Newmark’s Solution of Boussinesq Method

12. Chart Solutions (Stress Bulbs)

13. Chart Solutions (Stress Bulbs)

14. Westergaard’s Method
Provided solution for layered soils
Point Loads

15. Westergaard’s Method
For distributed loads

16. Simplified Methods (Approximate)
For circular foundations (Poulos and Davis, 1974)

17. Simplified Methods (Approximate)
For square foundations (Poulos and Davis, 1974)

18. Simplified Methods (Approximate)
For continuous foundations (Poulos and Davis, 1974)

19. Simplified Methods (Approximate)
For rectangular foundations (Poulos and Davis, 1974)

20. Approximate Methods
1:2 method (60° approximation)

21. Computer Software FTGSETT (settlement.xls)