Loading rate conditions and specimen size effect .
Two different cementitious mixes were prepared as rocklike material specimens. The first group rocklike materials (Rocklike 1) included 350 kg/m 3 cement, 1675 kg/m 3 aggregate, 180 kg/m 3 water. Maximum particle size of the aggregate used in this study is 8 mm. Rocklike 1 type material specimens were cured for 3 days before testing.