Easily and quickly measure the bubble structure of concrete using image analysis!
The amount of air and bubble spacing coefficient obtained from the bubble structure meter of hardened concrete is an important indicator of resistance to freeze-thaw cycles. The measurement methods include the "linear traverse method" and the "modified point count method" specified by ASTM, both of which require significant time and effort, and there is a problem of individual differences in measurements. The image processing analysis method developed using PCs to solve this issue had not yet established image recognition technology. To address these problems, Marui developed a unique bubble structure measurement device. After filling the bubbles in the concrete sample with cyanoacrylate containing fluorescent dye, the sample is irradiated with ultraviolet light to make only the bubble structure emit light, while simultaneously enabling image processing by binarizing the brightness at a certain threshold. The operation and handling are also simple, allowing for easier and faster measurement of bubble structures than before.
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basic information
【Specifications】 □ Image Analysis: ・[Analysis Method]: Area Method / Auto Linear Traverse Method / Manual Linear Traverse Method ・[Analysis Items]: Number of Bubbles / Number of Bubbles per Unit Area / Cumulative Bubble Area / Average Bubble Area ・[Processing Items]: Standard Deviation / Average Bubble Diameter / Air Volume / Specific Surface Area / Bubble Spacing Coefficient, etc. □ General Image Analysis Software Functions: Counting, Area, Shape Coefficient, Circularity Coefficient, Density Measurement, Color Measurement, Automatic Measurement via Key Macros, Particle Size Distribution, Various Graph Displays, etc. □ Includes High Magnification Imaging Equipment □ Includes XY Stage (Stand Fixed Type) □ Includes Measurement Computer and LCD Display *For detailed specifications, please contact us. Our products are also introduced on our company website.
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Delivery Time
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Applications/Examples of results
ASTM C 457：「Standard Test Method for Microscopical Determination of Parameters of the Air-Void System in Hardened Concrete」
Company information
Marui is promoting the development of new testing equipment and the automation of testing devices through the introduction of cutting-edge technology, and has released the automatic pressure testing machine "Hi-ACTIS-2000," a concrete freeze-thaw testing device, and the specimen surface polishing machine "Haikenma Tsuru Tsuru." Additionally, the simple ground bearing capacity measuring device "Caspole," developed through collaboration between government, academia, and the private sector, is also a significant achievement. To continue making further advancements as a comprehensive testing machine manufacturer that creates an environment for the 22nd century, and to meet our customers' expectations, we will continue to make even greater efforts.
