How can pLog Calculate In-Situ Vane Results

There are 5 methods for doing In-situ Vane calculations.

1. No calculations - input the results directly. Do not input torque and dimensions of the vane or the factor.

2. Utilize a known factor – You must input the Equipment Type and the this needs to be populated in the dropdown list for the List Shear Strength Equipment Type in pLog Configuration tool. Input the Equipment Type and the Description should be the Factor. If you are inputting the data in metric units (N-m instead of ft-lb) you need to apply a factor that accounts for it in N-m which would mean multiplying your factor by 0.737562121 because this method assumes the torque is in ft-lb.

3. Utilize a factor (Torque * Factor/2000 tsf or Torque*Factor/20.89 kPa) – only input Torque and Factor values. This assumes these factors are for MTO type N-Vanes and the Torque is always in ft-lb. If you are inputting the data in metric units (N-m instead of ft-lb) you need to apply a factor that accounts for it in N-m which would mean multiplying your factor by 0.737562121 because this method assumes the torque is in ft-lb.

4. Utilize the standard ASTM calculations for rectangular vane – only input Torque and Diameter.

5. Utilize the standard ASTM calculations for tapered vane – only input Torque, Diameter, Taper Length Top, Taper Length Bottom.

All of these options are in Dataforensics Configuration packs for OpenGround except using a known factor.

1. No calculations - input the results directly into the Manual Result and Manual Residual Result fields. Do not input torque and dimensions of the vane or the factor.

2. Utilize a factor (Torque * Factor or Torque*Factor/20.89 for metric units) – only input Torque and Factor values. If you are inputting the data in metric units (N-m instead of ft-lb) you need to apply a factor that accounts for it in N-m which would mean multiplying your factor by 0.737562121 because this method assumes the torque is in ft-lb.

3. Utilize the standard ASTM calculations for rectangular vane – only input Torque and Diameter.

4. Utilize the standard ASTM calculations for tapered vane – only input Torque, Diameter, Taper Length Top, Taper Length Bottom.