A presentation given to engineering management to explain the technical nuances of foundation design.

1. TECHNICAL PRESENTATION ON FOUNDATION
DESIGN
CIVIL DESIGN GROUP
CONCRETE DESIGN
SOUTHERN COMPANY
Austin A Dada

2. PRESENTATION AGENDA
 Standards, Specifications, and Software
 Importance of Foundations
 Foundation Types
 Major Projects

3. CODES/STANDARDS AND SOFTWARE USED
BUILDING CODES/ STANDARDS
 ACI 318-08
 ASCE 7-05
DESIGN SOFTWARE
 Staad.Pro V8i
 Structure Point MATS (spMATS)
 Structure Point COLUMN (spCOLUMN)
 AutoCAD 2010

4. REASON FOR FOUNDATIONS
LEANING TOWER OF PISA

5. FOUNDATIONAL SUPPORT
MATS CAISSONS AUGERCAST PILES

6. FOUNDATIONAL SUPPORT
CAISSON AUGERCAST PILE

7. MAJOR PROJECT LIST
CO2 Compressor
Foundation
Rotor Air Cooler
Foundation
Process Air Compressor
Foundation
Combined Cycle Cooling
Tower Foundation

8. CO2 COMPRESSOR
OIL FILTER
AND
EQUIPMENT
CAISSONS

9. CO2 COMPRESSOR
spMATS FOUNDATION MODEL

10. CO2 COMPRESSOR
AUTOCAD DRAWING OF MAT WITH LOAD POINTS
CAISSONS
EQUIPMENT SUPPORTS
OIL FILTER
SUPPORT

11. CO2 COMPRESSOR
CORRESPONDING LOAD POINTS IN spMATS MODEL
OIL FILTER
SUPPORT
EQUIPMENT
SUPPORTS

12. CO2 COMPRESSOR
CAISSON LOCATIONS
CAISSONS

13. CO2 COMPRESSOR
PRESSURE ENVELOPE CONTOURS

14. ROTOR AIR COOLER FOUNDATION
ROTOR
AIR
COOLER
FOUNDATION
SUPPORTS

15. ROTOR AIR COOLER FOUNDATION
spMATS FOUNDATION MODEL
COLUMN

16. ROTOR AIR COOLER FOUNDATION
ANCHOR BOLT DEVELOPMENT LENGTH
SHEAR
PLANE
REBAR
CONFINING
REINFORCEMENT

17. ROTOR AIR COOLER FOUNDATION
-600 -400 -200 0 200 400 600
-400
400
800
1200
1600
P (kip)
M (180°) (k-ft)
(Pmax)(Pmax)
(Pmin)(Pmin)
1234567911131517
192123252728293031323334353637383940414243444546474849505152
INTERACTION DIAGRAM
(spCOLUMN SOFTWARE)
PIER COLUMN
REINFORCEMENT
FACTORED LOADS
CAPACITY
REBAR

18. ROTOR AIR COOLER FOUNDATION
spMATS FOUNDATION MODEL

19. ROTOR AIR COOLER FOUNDATION
PRESSURE ENVELOPE CONTOURS
PRESSURE
ON SOIL

20. PROCESS AIR COMPRESSOR FOUNDATION
OIL UNIT
PROCESS
COOLERS

21. PROCESS AIR COMPRESSOR FOUNDATION
CAISSONS
AUGERCAST PILES

22. PROCESS AIR COMPRESSOR FOUNDATION
EQUIPMENT
LOADS
CONCRETE
FRAME

23. PROCESS AIR COMPRESSOR FOUNDATION
STATIC LOADS

24. PROCESS AIR COMPRESSOR FOUNDATION
CAISSON SUPPORT MOMENT DIAGRAM

25. PROCESS AIR COMPRESSOR FOUNDATION
AUGERCAST PILE SUPPORT MOMENT DIAGRAM

26. COOLING TOWER FOUNDATION
FANS
COOLING
TOWER

27. COOLING TOWER FOUNDATION
spMATS FOUNDATION MODEL

28. COOLING TOWER FOUNDATION
CORNER COLUMN LOADS
CORNER
COLUMNS

29. COOLING TOWER FOUNDATION
PERIMETER COLUMN LOADS
PERIMETER
COLUMNS

30. COOLING TOWER FOUNDATION
INTERIOR FAN-SUPPORTING COLUMN LOADS
INTERIOR FAN
COLUMNS

31. COOLING TOWER FOUNDATION
PRESSURE CONTOURS (SERVICE LOADS)

32. LESSONS LEARNED
 Importance of Foundations
 Foundation Options
 Design Methods
 Modeling Software
 Coordination between Design Disciplines
and Vendors