![Investigation of the effect of impact direction on Schmidt rebound values by multivariate regression and neuro-fuzzy model | SN Applied Sciences Investigation of the effect of impact direction on Schmidt rebound values by multivariate regression and neuro-fuzzy model | SN Applied Sciences](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs42452-020-03600-6/MediaObjects/42452_2020_3600_Fig1_HTML.png)
Investigation of the effect of impact direction on Schmidt rebound values by multivariate regression and neuro-fuzzy model | SN Applied Sciences
![GLTL Concrete Rebound Hammer Tester ZC3-A Resiliometer Hammer Test Meter Tool 10-60Mpa(ASTM C 805, ISO 8045) - Amazon.com GLTL Concrete Rebound Hammer Tester ZC3-A Resiliometer Hammer Test Meter Tool 10-60Mpa(ASTM C 805, ISO 8045) - Amazon.com](https://m.media-amazon.com/images/I/41K6PfbGA8S.jpg)
GLTL Concrete Rebound Hammer Tester ZC3-A Resiliometer Hammer Test Meter Tool 10-60Mpa(ASTM C 805, ISO 8045) - Amazon.com
![VTSYIQI Handheld Brick Rebound Hammer Tester Brick Rebound Test Schmidt Hammer Test Meter Tool Brick Rebound Test Hammer Resiliometer Concrete Measure NDT Testing: Amazon.com: Tools & Home Improvement VTSYIQI Handheld Brick Rebound Hammer Tester Brick Rebound Test Schmidt Hammer Test Meter Tool Brick Rebound Test Hammer Resiliometer Concrete Measure NDT Testing: Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/I/71tOjD6NiEL.jpg)
VTSYIQI Handheld Brick Rebound Hammer Tester Brick Rebound Test Schmidt Hammer Test Meter Tool Brick Rebound Test Hammer Resiliometer Concrete Measure NDT Testing: Amazon.com: Tools & Home Improvement
![This is called a Schmidt hammer or rebound hammer and is used to test the hardness of concrete. : r/specializedtools This is called a Schmidt hammer or rebound hammer and is used to test the hardness of concrete. : r/specializedtools](https://i.redd.it/u73tyt3060u21.jpg)