This APP is calculate the compressive strength of concrete throuh obtain the rebound hardness values.
and apply the compensation factor including direction of impact, material age and it will be estimate compressive strength through selection the fomula of research institutions.
*** Storage permission ***
Used to store and transmit rebound hardness data in an Excel file format.
Other functions can be accessed without permission.
Please double checks, if you wish to utilize the results using the application of compression strength estimation.