New crack measurement system [Measurement of bridges and bridge piers]
New crack measurement system for bridges and bridge piers.
It is possible to measure the width, position, and length of cracks with high precision from a distance. This is a groundbreaking measurement system that breaks conventional wisdom.
Concrete structures such as bridges, tunnels, and building exteriors require a significant amount of cost and time for crack inspections. With 'KUMONOS', you can measure crack widths from a distance, eliminating the need for scaffolding or aerial work platforms during exterior inspections, allowing for safe assessments. It is a groundbreaking measurement system that breaks the conventional wisdom of crack inspections. 'KUMONOS' has won the 11th National Land Technology Development Award and received the Minister of Education, Culture, Sports, Science and Technology Award for Scientific and Technological Achievement (Development Category). For more details, please contact us or refer to the catalog.
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basic information
▶ Built-in concentric crack scale in non-prism optical measuring device - Capable of measuring the width and position of cracks ▶ Non-prism functionality and compact system - Can be used in various measurement locations with agile mobility - No need for temporary scaffolding or aerial work platforms, allowing for safe measurements ▶ Innovations for fast measurements - Automatically connects measurement data in the order taken, reducing the labor required for data organization - Uses a cross-measurement method that calculates the intersection with the angle to the surface, enabling quick and accurate measurements ▶ Measurement data - Can be automatically and accurately expanded on a computer using dedicated analysis software and CAD ▶ Not only for crack measurement, but also easy to create "elevations" and "developments" of structures - Greatly contributes to creating drawings for old buildings and asset management ▶ Easy for anyone to operate the machine - Systematized for immediate use even by inexperienced users ▶ Shortened construction period - Significantly reduces drawing time through automatic drawing functions provided by dedicated software
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Applications/Examples of results
Since the development of KUMONOS, we have over 1,000 measurement achievements both domestically and internationally. We conduct crack measurement services for all types of concrete structures, including buildings, bridges, tunnels, and dams, swiftly, safely, and accurately from a distance, and submit the results as deliverable drawings to our clients. If you have any inquiries or questions regarding our measurement services, please feel free to contact us.
Detailed information
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Pier Field work: 22 personnel Quantity: 2,000 square meters It is impossible to install scaffolding on the piers of the bridge spanning the strait. Our company has conducted eight measurements to investigate the aging of this bridge. By recording common survey coordinates, it is possible to smoothly integrate the data from the previous measurement.
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Measurement scenery Measured area (4 bridge piers): 2,050 square meters Field work: 20 workers Office work: 10 workers Measured area per worker: 102 square meters Distance from equipment to structure: 3 to 60 meters
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The bridge pier was measured from the ground for all surfaces up to the top of the main tower without using a high-altitude work vehicle or scaffolding.
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Under the bridge girder Field work: 2 personnel Quantity: 600 square meters This is a measurement task for cracks that have occurred in the deck slab of the overpass. It can be safely measured from a distance without entering the track area.
Company information
Our company was founded in 1995 with the aim of supporting the recovery from the Great Hanshin-Awaji Earthquake. The company name is derived from our unique measuring device, "KUMONOS," which can quickly and accurately measure 0.2mm cracks from a distance of 100 meters. In 1998, we were the first in Japan to introduce a 3D laser scanner, and since then, we have developed a 3D measurement business and equipment introduction business to promote 3D laser scanning technology. Over the past 25 years, we have accumulated over 2,500 measurement achievements and approximately 300 equipment introductions, establishing ourselves as a leading company in 3D laser scanning in Japan. Our technology has received numerous ministerial awards from the Ministry of Land, Infrastructure, Transport and Tourism, the Ministry of Economy, Trade and Industry, and the Ministry of Education, Culture, Sports, Science and Technology, including the Japan Manufacturing Award. Additionally, our technology was introduced to world leaders at the G20 Osaka Summit, receiving high praise both domestically and internationally. Moving forward, we will continue to implement the latest technologies backed by our high technical capabilities and provide DX solutions across various fields.