Figure 4.1 Schematic of Virginia Tech Calibration Chamber and Accessory Components 128
Chamber Shell Sample Base Plate 29 mm Bolt Holes Chamber Base Plate a) Chamber Shell Unattached from Bottom Plate - Side view of Chamber Sample Base Plate Guide Posts Steel Rings Actuators b) Firestone Airstroke Actuators - Side View Figure 4.2 Components of Calibration Chamber - Chamber Shell and Air Stroke Actuators 129
a) Sample Forming Jacket Outside Chamber - Side View Fastening Rod Hinge System b) Sample Forming Jacket Outside Chamber - Side View Figure 4.3 Components of Calibration Chamber - Sample Forming Jacket 130
HDPE Liner Water Ports Steel Collar a) Liner and Collar in Chamber - Aerial View O-Ring Groove Cone Insertion Portholes Top Plate Sand Sample HDPE Liner Forming Jacket Chamber Wall b) Top Lid Placed on Pluviated Sample - Side View Figure 4.4 Components of Calibration Chamber - Sample Membrane and Top Lid 131
Figure 4.5 Mechanism Used to Seal Sample 132
John A. Bonita Chapter 4: Virginia Tech Calibration Chamber and Pluviation System Top Plate Top Lid Calibration Chamber HDPE Liner a) Application of Top Lid onto Chamber Shell Wall - Side View Trolley System Vibrator Load Frame Cone Penetrometer Calibration Chamber b) Push System Used in Penetration Testing - Side View Figure 4.6 Components of Calibration Chamber - Top Lid and Push System 133
John A. Bonita Chapter 4: Virginia Tech Calibration Chamber and Pluviation System Sample Forming Jacket Copper Riser Pipe Water Inlet Point (Elbow Fitting) Sample Base Plate HDPE Flexible Tubing a) HDPE and Copper Riser Pipe - Side View Underside of Sample Bottom Plate Air Actuator Copper Tubing b) Copper Tubing on Underside of Base Plate - Side View Figure 4.7 Components of Calibration Chamber - Saturation System 134
John A. Bonita Chapter 4: Virginia Tech Calibration Chamber and Pluviation System Bottom Plate Copper Tubing T- Fitting Guide Post a) View of T- fittings in Saturation System on Underside of Bottom Sample Plate - Bottom View Threaded Elbow Air Actuators b) View of Elbow Fittings in Saturation System on Underside of Bottom Sample Plate - Bottom View Figure 4.8 Components of Calibration Chamber - Saturation System Tubing and Fittings 135
John A. Bonita Chapter 4: Virginia Tech Calibration Chamber and Pluviation System Air Pressure In Backpressure Regulator Manometer Pressure Application Vessel To Sample Figure 4.9 Components of Calibration Chamber - Back Pressure Application System 136
Figure 4.10 Schematic of Air Pluviation System 137
Diffuser Sieves HDPE Liner a) Raising and Lowering Sieves Prior to Pluviation Disgruntled Graduate Student Perforated Plate b) Preparing Perforated Plate Prior to Placing Sand in Bin Figure 4.11 Components of Pluviation System - Preparation of Equipment 138
a) Sand Placement in Storage Bin b) Pluviation of Sand into Calibration Chamber Figure 4.12 Components of Pluviation System - Formation of Sand Sample 139
a) Inside of Storage Bin After Pluviation - Plan View b) Leveling of Sand After Pluviation - Plan View Figure 4.13 Components of Pluviation System - Leveling of Sample 140
Hydraulic Press Rotary Turbine Vibrator Dynamic Load Cells Chamber Lid Cone Penetrometer Figure 4.14 Penetration of Cone Penetrometer into Soil Sample 141