[Monitoring Case] Monitoring of Unstable Floating Stones - Safety Monitoring During Construction and Investigation
Safe construction work while monitoring!
During the drilling operations on a slope where cracks and unstable rock masses are prevalent, we implemented real-time automatic monitoring using an inclination sensor (Kantaro) as part of the safety monitoring during the work. We installed the inclination sensor (Kantaro) on a steel plate fixed to the unstable rock mass with anchor bolts to monitor its behavior. We established three levels of management criteria, and a monitoring system was created to send alarm emails to relevant parties when these thresholds were exceeded. Since the movement of the unstable rock mass is expected to occur over a shorter time frame than slope deformation, we adopted cumulative inclination angle in addition to the usual slope monitoring using normal inclination angle velocity.
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basic information
【Specifications】 ■Wireless Module ・Wireless Compliance Standard: Compliant with ARIB STD-T67 ・Transmission Frequency: 429.2500 to 429.7375 MHz ・Transmission Distance: Approximately 600 m (in unobstructed conditions) ・Immediate Fall Detection Function (Three-Axis Inclinometer) when tilted over ±30° Detection Range: -90° to +90° ■Sensor Module ・Two-Axis Inclinometer (X・Y) Measurement Range: -30° to +30° Resolution: 0.02° *For more details, please download the PDF or feel free to contact us.
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Delivery Time
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Applications/Examples of results
【Purpose】 - Monitoring the behavior of natural slopes, cut slopes, fill slopes, concrete retaining walls, stone masonry blocks, loose stones, unstable floating stones, temporary protective fences, etc. 【Achievements】 - Over 1,700 units (domestic: over 1,100 units, overseas: over 600 units)
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Company information
Our company was founded in 1946, shortly after the end of the war, at a time when Japan's post-war reconstruction required an increase in food production and energy development. It was established with a group of engineers possessing the necessary development technologies at its core. Since then, we have contributed to civil engineering projects, focusing on roads, rivers, and dams, as well as the development and enhancement of various public facilities and industrial infrastructure, utilizing our expertise in geological surveys, ground analysis, and civil planning and design. Today, we have gained trust from various ordering organizations and have had the opportunity to demonstrate our capabilities, expanding our operations both nationwide and overseas. Starting this fiscal year, we are pursuing the CKC Sustainable Growth Vision, aiming to become a "one and only company that contributes to the formation of a safe and secure national land and the development of a sustainable future society."
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