- Overview
-
We provide comprehensive support for the management of concrete structures, from on-site investigations to analysis, testing, diagnosis, evaluation, proposal of repair methods, and follow-up investigations.
- Features
-
Fast and efficient diagnosis
- We identify damage to structures, and propose and implement efficient and appropriate investigation methods based on past investigation data and diagnosis cases.
- Various analyses and tests on concrete are carried out in the testing laboratory (Kanazawa) with its well-equipped testing facilities.
- Highly accurate diagnosis and evaluation based on the test data.
Reduced cost and work period
- We propose economical countermeasure construction according to the deterioration grade (economical countermeasures are proposed in consideration of shortening the construction period and reducing the environmental burden as well as cost).
- Equipment used for diagnosis (example)
-
Electron Probe Micro-analyzer (EPMA)
The Electron Probe Micro-analyzer (EPMA) is a scanning electron microscope (SEM) equipped with a wavelength dispersive spectrometer (WDS) and an energy dispersive X-ray spectrometer (EDS). The following analyses are possible using this device.
- Quantitative analysis (point analysis, line analysis, area analysis: elemental mapping)
- Qualitative analysis (point analysis)
- SEM observation (SEM image observation of fracture surface of alkaline silica gel or steel)
- Surveys and Tests
-
Analysis and testing Chloride ion analysis
(JIS: Potentiometric titration method)Chloride ion analysis
(X-ray fluorescence method)Nitrite ion analysis
(Ion chromatography test)Water-soluble alkali analysis
(Atomic absorptiometry)Compressive strength test/Static elastic modulus test Cyclic corrosion test Accelerated weathering and lightfastness test Alkali-aggregate reaction test
(Latent swelling test)
- JCI-DD2 Method
- Canadian method
(Compliant with ASTM C 1260) - Danish method
(Saturated NaCl solution immersion method)
ASR simplified diagnosis
(Uranyl acetate fluorescence method)
(Gel fluorescents method)Neutralization test Adhesion test Microcrack observation
(Fluorescent resin impregnation test)* Our testing laboratory conducts tests for chloride ion and international MRA-compliant tests under the Japan National Laboratory Accreditation (JNLA) based on the Industrial Standardization Law.
The number 140358JP is the registered operator number of our laboratory.On-site survey Visual inspection/Hammering inspection Infrared inspection Concrete cover survey Concrete chipping survey Salt content inspection (drill method) Coring Spontaneous potential measurement Polarization resistance measurement
Maintenance
We provide comprehensive support for the management of concrete structures, from on-site investigations to analysis, testing, diagnosis, evaluation, proposal of repair methods, and follow-up investigations.
Diagnostic Technology for Concrete Structures
We offer total management from investigation and diagnosis of salt damage and alkali-aggregate reaction to analysis and countermeasure construction!
