Piletest’s CHUM Tomography system is a sophisticated Crosshole Sonic Logging (CSL) technology designed to improve the inspection of deep foundation elements. Integrating real-time 2D and 3D tomography for pile foundations, this innovative tool delivers detailed images of the internal condition of concrete piles, helping engineers accurately identify potential defects and make well-informed decisions during construction and quality control processes.
How CHUM Tomography Works
Going beyond the capabilities of conventional CSL, CHUM Tomography uses advanced imaging techniques to pinpoint and characterize internal irregularities in concrete piles. While standard CSL methods detect the presence of anomalies, this system provides clear visualization of their precise size, shape, and position. The technology converts ultrasonic wave signals into high-resolution cross-sectional images and comprehensive 3D representations, offering a thorough insight into pile integrity.
Distinctive Features
CHUM Tomography is equipped with several advanced capabilities that set it apart:
- It supports real-time defect imaging, allowing immediate evaluation during data collection, which speeds up the overall inspection process.
- The system employs multiple analytical techniques such as fuzzy logic algorithms, matrix inversion, and horizontal slicing, enhancing defect detection accuracy.
- By compiling data from multiple access tubes, CHUM generates detailed three-dimensional models that give a complete view of the pile’s internal structure.
- The equipment complies with recognized international standards, including ASTM D6760-16 and AFNOR NF P 94-160-1, ensuring consistent and reliable test results worldwide.
Practical Uses
This tomography system is especially useful for projects involving large or critical concrete piles, where understanding internal conditions is essential. Key applications include:
- Verifying that foundation elements conform to required quality standards.
- Locating and assessing internal flaws such as cracks, voids, or honeycombing.
- Evaluating how detected defects might affect the pile’s load-bearing capacity and overall stability.
- Providing detailed data to support design improvements or necessary remedial actions.
Benefits Compared to Traditional CSL
Traditional CSL techniques offer basic information on defect presence but fall short in visualizing the defects in detail. CHUM Tomography enhances this by providing:
- Clear 2D and 3D visualizations that reveal the internal makeup of piles with precision.
- More accurate interpretations through sophisticated data processing methods that minimize errors.
- Comprehensive reports that facilitate better project documentation and informed decision-making.
Summary
CHUM Tomography by Piletest introduces a powerful advancement in pile foundation testing technology. With its ability to produce detailed internal images and conduct thorough analyses, it significantly improves defect detection and structural evaluation. This leads to safer, more reliable construction outcomes and enhances confidence in deep foundation assessments.
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