Study on the Rock Size Effect of Quasistatic and Dynamic Compression Characteristics

Table 3

Experimental and mean compressive strength of dynamic loading.

Length (mm)	Strain rate (S)	Experimental compressive strength(MPa)	Mean compression strength (MPa)	Error rate (%)
25	184.648	407.925	407.925	-
30	147.866	415.975	404.369	2.79
35	128.547	422.273	417.318	1.173
40	111.081	401.27	417.686	4.091
45	100.865	420.875	414.847	1.432
50	88.864	410.903	401.407	2.311