Screening investigation and corrosion site identification using non-destructive testing technology.
Steel columns such as signposts and lighting poles along the road are most susceptible to corrosion at the boundary with the road surface (ground level), and as damage progresses, there is a risk of collapse. In the accessory screening survey, an ultrasonic diagnostic device called "Corrosion Doctor" is used to diagnose the corrosion condition at the ground level (around GL−40mm) on-site without excavating the road surface. Compared to conventional inspection methods (close visual inspection, trial excavation, residual plate thickness measurement, and restoration), this method not only reduces inspection costs but also eliminates the need for road traffic restrictions, significantly improving work efficiency and safety. Results can be immediately classified into three categories: "sound," "almost sound," and "corrosion present," making it ideal for narrowing down columns that require detailed investigation. Furthermore, this device is registered with the Ministry of Land, Infrastructure, Transport and Tourism's NETIS (KT-150121-VE) and has been selected as a technology for promotion and utilization.
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basic information
Structural Applicability: The outer diameter is not restricted by size. Applicable for thicknesses of 3mm and above. Applicable from GL to ace plates. Usable in all facilities. Accuracy: Although it is a qualitative evaluation, it guarantees the detection of corrosion of 2mm or more in artificial test specimens and 1mm or more in naturally corroded test specimens. Workability: Preparation takes about 3 minutes, measurement about 7 minutes, and cleanup 2 minutes, totaling approximately 12 minutes.
Price information
- 293,600 yen and up / per day - 14,700 yen and up / per unit (assuming 20 units measured per day)
Delivery Time
Applications/Examples of results
Detection of corrosion in steel poles such as signposts and lighting poles along the road.
Detailed information
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Case study of accessory screening survey results.
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Company information
Our company is a construction firm that has been engaged for many years in creating safe and comfortable road environments, primarily in Hyogo Prefecture. We are working on the installation of traffic safety facilities, including road signs, road markings, and lane markings, as well as maintenance and repair work for structures such as tunnels and bridges, and seismic reinforcement work, all aimed at improving safe and comfortable road environments. Please feel free to contact us if you have any requests.
