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Table 3 Comparison of strengthening effectiveness

From: Strengthening of masonry rings with composite materials

Ring coefficient

R1

R5

R6

R7

R8

R9

EF factor

4.2

1.8

9.5

12.9

14.0

21.1

Destructive force [MPa]

60.54

22.77

6.57

27.09

40.56

55.25