● Since measuring is completely non-destructive, no lifting of concrete is required.● Power can be supplied from a computer or a mobile battery, eliminating the need for a bulky power supply.● By using a special gel, the probe can be fixed to the ceiling or wall, enabling hands-free measurement.● Improves the work environment compared to conventional measuring equipment, 7*SfM (Structure from Motion): Image analysis technology that creates a 3D model from multiple photos.(Unit: 100 million yen)8357525802018201920202021contributing to productivity improvement and work style reform.(Fiscal Year)76664556620222018(Unit: 100 million yen)7466296016282019202020212022(Fiscal Year)1028220182019(Unit: 100 million yen)797173202020212022(Fiscal Year)Transition of orders receivedTo monitory the safety of worksites, we utilize remote monitoring technology using fully automated drones, which combine autonomous self-takeoff and landing drones with cloud computing.Drones that receive flight instructions remotely via the Internet automatically take off, fly, take photos, and land along the specified route.Images taken during the flight can be checked in real time, enabling visual confirmation of on-site conditions from a remote location. A 3D model is also created via SfM* using the photographs taken by the drone, which are automatically uploaded to the cloud. This makes it possible to detect ground deformation and other visuals in detail across a wide area. This technology is used in tunnel construction carried out directly underneath operating golf courses, and other similar projects.In addition to day-to-day patrols by the construction site supervisor, using this technology enables construction work to be carried out carefully and efficiently while checking the safety around the construction site frequently and in detail via remote monitoring and 3D modeling.Dr.CORR is a completely non-destructive tool that can measure the polarization resistance and corrosion speed of rebar without causing any damage to the structure it is encased in.The corrosion speed is a criterion used to determine the corrosion status according to different grades (set according to CEB criterion by default, but the values can be changed as desired). Regularly monitoring the corrosion state of rebar makes it possible to efficiently maintain and manage concrete structures.TOBISHIMA’s InitiativesRemote monitoring technology using fully automated dronesResearch and development of Dr.CORR, a non-destructive diagnostic tool that measures the state of corrosion of rebar in concreteTransition of net salesTransition of gross profitTechnologies in the Civil Engineering and Construction BusinessOverview by BusinessCivil Engineering and Construction Business
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