Rebar deterioration
inspection system
The world's first technology for nondestructive diagnosis
of rebar corrosion and deterioration
Maintenance and management of many concrete structures in Japan’s infrastructure is becoming a serious problem because of their deterioration. The “Rebar deterioration inspection system” developed by IGS measures the distribution of spatial electromagnetic fields on the structure’s surface, and it accurately diagnoses the state of corrosion by visualizing the inside of the structure.
The system can directly diagnose the deterioration of rebar and concrete
Utilizing proprietary calculation theory and advanced electromagnetic field sensing technology, it effectively visualizes deterioration points in rebar and detects cracks within the concrete.
Nondestructive Inspection Without Structural Damage
Nondestructive inspection can be conducted by measuring the spatial distribution of electromagnetic fields altered by the rebars within the concrete, enabling accurate deterioration diagnosis without damaging the structure.
Significantly Reduces Time and Manpower Requirements
The need for traditional procedures like sound testing or concrete scraping is eliminated, drastically cutting down on inspection time and reducing the number of work processes involved.
Challenges with Conventional Rebar Deterioration Inspection Systems
High Time and Manpower Demands
Traditional inspection methods, such as the natural potential method, assess deterioration by measuring surface potential. These methods require extensive preparation, including cutting portions of rebar out of the concrete to connect electrodes, leading to significant inspection time and labor. Consequently, they are not ideal for diagnosing a large number of structures efficiently.
Innovative Solutions
The IGS Approach
Proprietary Calculation Theory for Visualizing Rebar Rupture and Corrosion
The rebar deterioration inspection system developed by IGS employs a groundbreaking ultra-sensitive sensing device, the first of its kind globally, based on imaging theory and quantum mechanical principles. This advanced technology measures the distribution of the electromagnetic field emitted by the rebar within the concrete at surface points, enabling nondestructive diagnosis of rebar rupture and corrosion conditions.
The rebar deterioration inspection system can be mounted onto a moving vehicle, allowing for efficient diagnosis of underground rebars while in transit
Notably, this system has been successfully tested and implemented nationwide, including in beams at actual sites.
Advantages of IGS Rebar Deterioration Inspection Systems
The rebar deterioration inspection system utilizes proprietary calculation theory and advanced electromagnetic sensing technology to visualize the state of ruptures and corrosion in deteriorated rebar concrete. Compared to existing technologies, it significantly reduces testing time and manpower requirements, thereby enhancing the efficiency of infrastructure safety management.
Conventional testing
Large
Large
Leads to damage
Low
IGS rebar deterioration inspection system
Small
Small
Can be measured in a nondestructive manner
High
Large
Small
Large
Small
Leads to damage
Can be measured in a nondestructive manner
Low
High
