Geotechnical Field School-2005 CVG 4974 Saturday, Oct 1, 2005 7:30 am – 5:00 pm Robinson Field , Ottawa

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

Field School Location

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

Intersection of Robinson Avenue and Hurdman Road Robinson Field Parking Lot

Robinson Field Entrance

Robinson Football Field Robinson Community Garden

Robinson Field Community Pathways

Testing Area 1 and Washrooms Testing Area and Parking Lot

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

Think Safety First! Overhead Dangers

Think Safety First! Different Tools and Testing Equipment

Geotechnical Investigations Investigation Methods

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)

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

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

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

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)

Sand Cone Test Field Density Sand Cone Equipment Field Application

Sand Cone Test Field Density Calibrating Sand Cone Equipment

Sand Cone Test Field Density Calibrating Sand Cone Equipment

Sand Cone Test Field Density Calibrating Sand Cone Equipment

Sand Cone Test Field Density Calibrating Sand Cone Equipment

Water Balloon Test Field Density Water Balloon Equipment Field Application

Water Balloon Test Field Density Calibrating Water Balloon Equipment

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

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

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

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

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

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

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

Std. Penetration Number (N) with Depth

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Plate Load Test In-situ Bearing Capacity 2 Graph of Time vs. Settlement. 3 kg/cm2 Load Increment Graph of Applied Load vs. Total Settlement

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

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

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

Site Instructions, Tools Setup, Preparation Project List   Testing Schedule Time A B C D E F G 7.30-8.00 Site Instructions, Tools Setup, Preparation 8.00-10.00 SPT SW HA 10.00-12.00 FV 12.00-1.00 Lunch 1.00-3.00 3.00-5.00 SW - Sand Cone / Water Balloon SPT- Standard Penetration Test FV - Field Vane Shear HA- Hand Auger / Split Spoon Soil Sampling

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

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

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

Any Questions