Crosshole Sonic Logging (ASTM D6760)
Crosshole Sonic Logging (CSL) is a method used to determine the quality and consistency of the concrete of bored piles. This method is considered to be most accurate in the determination of soundness of concrete within the drilled shaft inside of the rebar cage.
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Crosshole Sonic Logging provides information on:
- Ultrasonic profiles of each localized section.
- Inclusion of foreign material causing contamination of concrete. forces.
- Necking of pile due to collapse of side walls.
- Detects the extent and location of damage. method.
- Segregation due to over vibration and improper concrete placement methods.
- Washout of cement due to groundwater flow.
- Cracks in pile shaft due to shrinkage.
- Provides an increased level of confidence in foundations
We have executed hundreds of Crosshole Sonic Logging across Pakistan and have extensive experience to work on longest river bridges in Pakistan.
The only Company in Pakistan having PILETEST-UK certified
Crosshole Sonic Logging
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Tomography (Two- and Three-Dimensional)
Normal (1D) CSL can only shows the depth of an anomaly while tomography can help in the visualization of the shape, size and location of anomalies. it is an analysis and presentation method of captured CSL data, that projects the logged results into two dimensional (2D) plane or three dimensional (3D) body. Tomography results display internal concrete conditions, including animation of defects. Detected flaws can be viewed from different angles and perspectives thus providing essential information for the decision makers.
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