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Piles and Foundations

FPrimeC Solutions _ Crosshole Sonic Logging

What is Crosshole Sonic Logging?

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Crosshole Sonic Logging is an effective nondestructive testing method for deep foundations. Developed based on the principles of ultrasonic pulse velocity (UPV) test in concrete, the test can address some of the practical limitation that come with length/diameter (i.e. in low strain pile integrity test). The test can be used to collect precise information on the quality and integrity of concrete at different depths. Certain combination of ultrasonic probes enables… Read More »What is Crosshole Sonic Logging?

Non-destructive testing of concrete foundations

Non-destructive Testing of Concrete Foundations

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This article presents a brief review on Non-Destructive Testing of Concrete Foundations. It also discusses how engineers can utilize NDT to assess defects such as cracking and voids, and the deterioration mechanisms such as alkali-silica reactions, and corrosion of steel reinforcement.  Share on linkedin Share on facebook Share on twitter Share on telegram Share on whatsapp Share on email Concrete foundations are a key component in every major structure. They… Read More »Non-destructive Testing of Concrete Foundations

Non-Destructive Testing of Wind Turbine Foundation

Non-Destructive Testing of Wind Turbine Foundation

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Harvesting wind energy has been of special interest over the past decade. There are approximately 300 wind farms across Canada.  Wind turbine structures are very complex. While the inspection of the turbine and tower has been very well developed, the literature on evaluating the quality, integrity and reliability of their foundation is relatively limited. In this article, we will review how Non-Destructive Testing of Wind Turbine Foundation can help engineers in… Read More »Non-Destructive Testing of Wind Turbine Foundation

Low Strain Pile Integrity Test

How To Perform Low Strain Pile Integrity Test?

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Pile Integrity Test (PIT) is normally performed by striking the pile head with a light hand-held hammer and recording the response of the pile using a motion transducer (i.e. accelerometer) coupled

Quality Control of Concrete Piles

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Quality control of concrete piles is a challenging task. Engineers, and contractors rely on experience and well-established procedures and test standards to verify the strength, and consistency of pile materials. Non-destructive testing help reveal potential defects that might have happened during pile casting (in the case of cast-in-place piles), or transportation and installation (in the case of precast piles). Construction and installation of concrete piles might lead to defects in… Read More »Quality Control of Concrete Piles

Pile Head Surface Preparation

Practical Considerations in Pile Testing

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Pile Integrity Testing (PIT) is a non-destructive testing method for evaluating the unknown length and integrity of piles and deep foundations. The basic concept behind the technique is determining the velocity (required) and force (optional) response of pile induced by an impact device (normally, a handheld hammer). Pile Integrity Testing works best for long structural component such as driven concrete piles, cast-in place concrete piles, concrete filled steel pipe piles, timber piles,… Read More »Practical Considerations in Pile Testing

Applications and Limitations of Pile Integrity Test

Applications and Limitations of Pile Integrity Test

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Pile Integrity Test can be used to determine the integrity of piles. The method works best for long structural component such as driven concrete piles, cast-in place concrete piles, concrete filled steel pipe piles, timber piles, structural columns. The method works based on measuring and analyzing the velocity (required) and force (optional) response of pile. A hammer (regular or instrumented) is used to impact the pile surface and induce acoustic waves… Read More »Applications and Limitations of Pile Integrity Test

5 Integrity Problems of Concrete Piles

Integrity Problems of Concrete Piles

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Share on linkedin Share on facebook Share on twitter Share on telegram Share on whatsapp Share on email This article describes certain construction practices that can result in integrity problems in concrete piles and drilled shafts. Defects can occur at any point during the construction of bored concrete pile. Most common types of pile integrity issues are presence of voids; inconsistency in concrete mix, concrete; entrapped groundwater or slurry; and… Read More »Integrity Problems of Concrete Piles

Reuse of existing piles and deep foundations

Reuse of Existing Piles – How NDT Can Help

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Safety, reliability and satisfactory performance of structures require a well-planned maintenance program, as well as remedial actions in short and mid-term. Existing structures that are designed in accordance with older design codes or were built by older construction practices may need to be extensively repaired, rehabilitated, or replaced within the next few years. The remedial actions may include structural and/or foundation upgrade or replacement. Reuse of existing piles and foundations is… Read More »Reuse of Existing Piles – How NDT Can Help

What is Pile Integrity Test _

What is Pile Integrity Test ?

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Share on linkedin Share on facebook Share on twitter Share on telegram Share on whatsapp Share on email Construction and installation of concrete piles and deep foundations is a challenging task. Problems may occur during the process, which in turn results in defects or anomalies such as: pile formation problems, concrete faults, and reinforcement installation issues. The resulting defects can negatively impact the durability and mechanical performance of the pile.… Read More »What is Pile Integrity Test ?