Shape estimation survey using φ86mm or φ116mm boreholes.
At Monitoring Service Co., Ltd., we conduct a "Borehole Sonar" that estimates the shape of the foundation of cast-in-place piles and precast piles by reading reflections from the boundary with the ground. Basically, it is the same as an IT test, where a measuring device (sonde) is inserted into the boring hole provided in the pile, and an artificial impact is applied horizontally to generate elastic waves. It can also be applied to ground improvement columns. *For more details, please download the PDF or feel free to contact us.
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【Specifications Example of Elastic Wave Velocity Measurement Device】 ■ Piezoelectric Accelerometer Amplifier: TEAC SA-630 DC Amplifier ■ Oscillation Synchronization Device: GMM Pulse Width (10.20.40.70.100μ) ■ AD Conversion Device: High Speed A/D Converter "TUSB-0212ADM" ■ Sampling Speed: 500MHz/14bit ■ Transducer: Laminated Piezoelectric Element GMM R35-94 ■ Accelerometer: Piezoelectric Accelerometer TEAC 508B Frequency 2–30kHz *For more details, please download the PDF or feel free to contact us.
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For more details, please download the PDF or feel free to contact us.
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Monitoring Service Co., Ltd. conducts assessments of pile length and damage location, as well as shape estimation of cast-in-place piles and precast piles' base sections using "IT testing," "borehole sonar," measurement of elastic wave velocity, thickness, and crack depth with "i TECS," among other services. Additionally, we also perform load tests on small-diameter piles and plate load tests on the ground, so please feel free to contact us if you have any requests.