1. Geotechnical Field School-2005 CVG 4974
Saturday, Oct 1, :30 am – 5:00 pm Robinson Field , Ottawa

2. Instructor: Dr. Garga
A112 ext. 6143
Coordinator: Kenton C. Power
D114-A 6158
TAs: M. Cevat Catana
D114-A ext. 6158
Igor Iskra
D108-B ext. 6163
Behnam Shadravan
D114-C ext. 6157
Technician: Kulan Ambalavanar
D116 ext. 6150

3. Field School Location

4. Directions to Field School
From Colonel By loading docks
Turn Right onto King Edward Ave 0.2 mi
Turn Right onto Robinson Ave mi
Turn Left onto Hurdman Rd. 0.1mi
End at 3 Hurdman Rd. (parking lot)

5. Intersection of Robinson Avenue and Hurdman Road
Robinson Field Parking Lot

6. Robinson Field Entrance

7. Robinson Football Field
Robinson Community Garden

8. Robinson Field Community Pathways

9. Testing Area 1 and Washrooms
Testing Area and Parking Lot

10. Think Safety First! Gloves and hard hats will be provided
Wear safety boots
Wear hard hats for SPT test
WHIMIS guidelines
Dress for the weather
Rain gear
Warm clothes

11. Think Safety First!
Overhead Dangers

12. Think Safety First!
Different Tools and Testing Equipment

13. Geotechnical Investigations
Investigation Methods

14. Geotechnical Investigations
Soil Sampling (Soil Profile)
Hand Auger, Split-Spoon Sampling, Ground Water Level
Laboratory Tests (Soil Type Determination)
Grain Size Distribution, In-Situ water content
In-situ Soil Density
Sand Cone (Direct)
Water Balloon (Direct)
Nuclear Densometer (Indirect)
Strength Relationships
Standard Penetration, Vane Shear, Nilcon Vane (Indirect methods)
Plate Load Test
Bearing Capacity (Direct method)

15. Soil Sampling Soil Identification and Classification
Augering Bore Holes for Soil Sampling

16. Soil Sampling Soil Identification and Classification
Soil line is placed 2 m from bore hole
Start
Different soil types
Soil line at a 1 to 1 scale showing soil profile with depth
Bore hole
Hand Auger
Soil Profile with Depth

17. Soil Sampling Soil Identification and Classification
Carefully remove soil from auger
Lay soil on ground (1:1 Scale)
Auger to a measured depth

18. Laboratory Test Soil Identification and Classification
Laboratory Tests (Soil Type Determination)
Soil samples are to be taken for the following tests
Sand cone & water balloon tests (each depth)
Hand auger
Standard Penetration Test (SPT)
Determine the in-situ water content of each sample
Oven dry the remaining samples
Perform a grain size analysis for each sample
Name and classify each sample using the Unified Soil Classification System (USCS)

19. Sand Cone Test Field Density
Sand Cone Equipment
Field Application

20. Sand Cone Test Field Density
Calibrating Sand Cone Equipment

21. Sand Cone Test Field Density
Calibrating Sand Cone Equipment

22. Sand Cone Test Field Density
Calibrating Sand Cone Equipment

23. Sand Cone Test Field Density
Calibrating Sand Cone Equipment

24. Water Balloon Test Field Density
Water Balloon Equipment
Field Application

25. Water Balloon Test Field Density
Calibrating Water Balloon Equipment

26. Setup for Density Tests
Digging Test Pit
Leveling Soil Surface
Ensuring Bottom is Level

27. Performing Density Tests
Reading Water Level
Digging Test Hole
Sand Cone Test in Progress

28. Standard Penetration (SPT) Penetration Number, N: Used in the estimation of f’ and Design of Foundations (CVG 3106)
Assembled SPT Sampler
Soil Sample Recovered within SPT Sampler
SPT Sampler Schematic

29. Standard Penetration (SPT) Penetration Number, N: Used in the estimation of f’ and Design of Foundations
Our SPT Testing Apparatus

30. Standard Penetration (SPT) Penetration Number, N: Used in the estimation of f’ and Design of Foundations
Truck Mounted SPT Apparatus. “One Man Crew”
Augering Bore Hole

31. Standard Penetration (SPT) Penetration Number, N: Used in the estimation of f’ and Design of Foundations
Raising 70 lb Weight (Conventionally 140 lb Weight is Used)
Proper Technique of Releasing the Weight to Reduce Pulley Friction

32. Standard Penetration Test (SPT)
Penetration Number, N Used in the estimation of f’ and Design of Foundations
Field Bore Hole Log

33. Std. Penetration Number (N) with Depth

34. Vane Shear Test In-situ shear strength of soft clays
Field Vane Showing Failure Surface

35. Vane Shear Test In-situ shear strength of soft clays
Inserting Field Vane to Desired Depth

36. Vane Shear Test In-situ shear strength of soft clays
Sometimes the soil has a high shear strength

37. Vane Shear Test In-situ shear strength of soft clays
Bore Hole
Spring Balance
Vane
Drill Rod
15 cm
Proper Method to Apply Torque to Field Vane
Field Vane Schematic

38. Nilcon Vane Test In-situ shear strength of soft clays
Nilcon Vane Schematic
Nilcon Vane Recorder

39. Nilcon Vane Test In-situ shear strength of soft clays
Installing Anchors
Installing Anchor Extensions

40. Nilcon Vane Test In-situ shear strength of soft clays
Rods pass through the recorder and ...
Into bore hole …
Assembled Nilcon Vane

41. Nilcon Vane Test In-situ shear strength of soft clays
Lowering Field Vane into Soil
Shearing the Soil

42. Plate Load Test In-situ Bearing Capacity
Plate Load Test Schematic

43. Plate Load Test In-situ Bearing Capacity
Plate Load Anchor
Anchor Schematic

44. Plate Load Test In-situ Bearing Capacity
Placing Anchors Torque Wrench
Placing Anchors Torque Wrench and Moment Arm Extensions

45. Plate Load Test In-situ Bearing Capacity
Placing Anchors
Ensuring Anchors are Level and Properly Orientated

46. Plate Load Test In-situ Bearing Capacity
Digging Plate Load Test Pit

47. Plate Load Test In-situ Bearing Capacity
Plate Stack at Failure. Failure Depth = 25 mm
Plate Stack at Beginning of Test

48. Plate Load Test In-situ Bearing Capacity2
Graph of Time vs. Settlement. 3 kg/cm2 Load Increment
Graph of Applied Load vs. Total Settlement

49. Plate Load Test In-situ Bearing Capacity
Plate Load Test Using Dead Load

50. Plate Load Test In-situ Bearing Capacity
Bearing Capacity Failure Envelop
Plate Load Test Schematic
Foundation Failure

51. Group List Groups A B C D E F G Alkhatib Charette Ferreira Lacasse Luk
Mustaard
Toure
Auckland
Charlebois
Francoeur
Latimer
MacDonald
Nault
Wilke-Alemany
Burtt
Dowie
Guignion
Lehoux
Michaluk
Rowat
Wood
Caron
Duthie
Hay
Lesage
Morcos
Tahelali Yu
Cheung
Deku
Belletete
Ferrari
Lane
Lauzon
Andoseh
Regimbald
Ostrowski
Tchernychov
Tudor
Bahia
Bruneau
Chan

52. Site Instructions, Tools Setup, Preparation
Project List
Testing Schedule
Time A B C D E F G
Site Instructions, Tools Setup, Preparation
SPT SW HA FV
Lunch
SW - Sand Cone / Water Balloon
SPT- Standard Penetration Test
FV - Field Vane Shear
HA- Hand Auger / Split Spoon Soil Sampling

53. Geo-Field School Report
Treat The Report as if you are writing a Technical Report as a Consulting Engineer on The Carp Airport
Typed, double spaced, bounded with a cover page
Include name and student number of each member and indicate the contribution of each student towards the report
Laboratory Tests of Soil Samples
Determine the in-situ water content of each sample
Oven dry the remaining samples
Perform a grain size analysis for each sample
Name and classify each sample using the Unified Soil Classification System

54. Geo-Field School Report
Sand Cone and Water Balloon
Name and classify the soil at each depth
Determine the soil’s in-situ density for each depth and for each test
Compare the soil densities for each depth and give reasons for any differences
Compare the soil densities determined by each method and give reasons for any differences
Standard Penetration Test
Name and classify the soil at each depth from the samples collected
Determine the field standard penetration number profile with depth
Calculate the corrected standard penetration number

55. Geo-Field School Report
Hand Auger
Name and classify the soil at each depth
If possible, determine the depth of the Ground Water Table (GWT)
Field Vane
Determine the soil’s peak and remolded shear strength Values using both Two Gauges Method and Torque Wrench
Compare Peak and Remolded Shear Strength of the two methods

56. Any Questions