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CROSSHOLE SONIC LOGGING
(conforms to ASTM D6760-08)


A sonic logger such as the Cross-Hole Analyzer is used to detect defects in cast-in-situ piles. Cross Hole Sonic Logging provides information on:

* Honeycombing due to inadequate vibration
* Segregation due to over vibration and improper concrete placement methods
* Washout of cement due to groundwater flow
* Cracks in pile shaft due to shrinkage
* Inclusion of foreign material causing contamination of concrete
* Necking of pile due to collapse of side walls during withdrawal of temporary casings

Access tubes (normally 4 numbers) have to be installed prior to testing. There is no limit to the depth where the pile profile is logged. Results are displayed on the screen real time.

BENEFITS:

* No need for mobilization of hammers
* Used effectively on bored piles
* Economical
* Conforms to ASTM D6760-08


CrossHole Sonic Logging  
 
   
 
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