The International Information Center for Geotechnical Engineers

Tuesday, 29 August 2017 14:54

PDI TOMO 3D Tomographic Software

PDI-TOMO is a 3D tomography imaging tool that supplements the CHAMP output. It analyzes wave speeds (derived from arrival time data from the scans of all pairs of tubes) to yield a wave speed map of the entire shaft volume.

Tomography is a mathematical procedure that is applied to Crosshole Sonic Logging (CSL) data, providing the user with a visual image of a shaft’s internal defects. The procedure involves solving a system of equations based on First Arrival Times (FAT) in order to calculate wave speeds at various points within the shaft. Tomography wave speeds distributed throughout the shaft are directly proportional to density, indicating concrete quality. PDI-TOMO is an extension of the CHA-W software designed for superior tomographic results from CHAMP-XV data with increased efficiency for the user.

Benefits of Tomography Analysis:

  • Provides a more precise location and shape of a defect detected through CSL data
  • Generates easily comprehensible and professional outputs of the engineering analysis
  • Offers an intuitive visual identification of the damaged areas
  • Provides a valuable add-on service for the testing engineer

 

PDI-TOMO features latest generation full color graphics, intuitive commands, and may be customized to user’s needs. Features include selection of minimum acceptable wave speed or percentage of the nominal wave speed to match typical CSL evaluation criteria; automatic or manual critical section detection; user selectable number of horizontal slices; and a professional looking report.

You can find more information here.

Source: Pile Dynamics

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