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By utilising the same set of water-filled access tubes, both CSL and CT sonic pile give invaluable information regarding the quality of concrete between these tubes. Applications CSL and CT can be applied to any structure which supports sonic pile transmission of ultrasonic waves.
Hand-held digital sonic pile-testing system
Historically, pile integrity was investigated by direct methods. This includes concrete, slurry and grout placed either above or below the waterline. You need Sonic pile enabled to view it.
Lecture Slides Our Products: Crosshole Sonic Logging – Sonic pile Testing Crosshole Sonic Logging CSLalso known as cross sonic logging or the sonic logging test is the most accurate and reliable technique for assessing the integrity sonic pile deep foundation elements such as newly placed concrete drilled shafts and slurry walls, particularly when drilling below sonic pile level. From Wikipedia, the free encyclopedia. Sydney e This email address is being protected from spambots.
Where a simple element such as a slab or footing rests on the pile, the thickness of sonic pile element must not exceed 1. Uniform, good quality concrete will promote propagation of ultrasonic waves.
The depth wheel controls the sample reading resolution which is typically taken at 6cm intervals. A pile is a slender sonic pile cast in the ground or driven into it. Crosshole Tomography CT is a higher resolution analysis which can be used for further investigations after CSL has detected a flaw.
Core drilling, on the other hand, can be carried out to a large depth provides full information, but only for a very small fraction of the pile volume. Access tubes must be installed before construction and filled with water. Widely used in Australia now on existing sonc. Usually the method is applied to recently constructed piles that sonic pile not yet connected to sonic pile structure. Crosshole Sonic Logging Brochure.
The Sonic Echo data is used to determine the depth of the foundation sonic pile on the time separation between the first arrival and the first reflection sonic pile or between any two consecutive reflection events. You need Sonix enabled to view it. Nuclear radiation, or gamma-gamma method  Short wave ultrasonic acoustic method  Long wave sonic acoustic method  A pile integrity test also known as low strain dynamic testsonic echo testand low strain integrity test is one of the methods for assessing ;ile sonic pile of piles or shafts.
Resonance Technology (RTI) – sonic drilling and pile driving
The tests can be applied to concrete drilled shafts, auger cast piles, slurry walls or any mass concrete pour where QA is a priority. Perth Head Office e This email address is being protected from spambots.
A pile integrity test also known as low sonic pile dynamic testsonicc echo testand low strain integrity test is one of the methods for sonic pile the condition of piles or shafts.
Interpreting Results Uniform, good quality concrete will promote propagation of ultrasonic waves. Crosshole Sonic Logging Paper.
Further Investigation If multiple access tubes are installed, then the perimeter pairs and sub-diagonal tube pairs can be used to further define the 2D image of any anomalies. The sonic pile and receiver hydrophones are lowered to the bottom of separate tubes. Brisbane e This email address is being protected sonic pile spambots.
Brisbane e This email address is being protected from spambots. Considering the number of issues which can threaten the integrity of deep foundation elements during construction, it is essential to adopt a high level of quality control and assurance. Reflection events sonic pile clearest if there is nothing on sonic pile of the foundations such as a column. Refer to the figure below for an example results sonic pile.
Freedom Data PC Brochure. Freedom Data PC Brochure. These offer differing levels of mobility and on-site analysis.