Fig. 18
![Fig. 18](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40069-020-00407-y/MediaObjects/40069_2020_407_Fig18_HTML.png)
Shear tests: comparison in terms of crack pattern at failure. Experimental crack pattern for a specimen H50-s1, and b, c specimen H50-s2; d crack distribution as obtained from the numerical model.
Shear tests: comparison in terms of crack pattern at failure. Experimental crack pattern for a specimen H50-s1, and b, c specimen H50-s2; d crack distribution as obtained from the numerical model.