Issue 29

L. Contrafatto et alii, Frattura ed Integrità Strutturale, 29 (2014) 196-208; DOI: 10.3221/IGF-ESIS.29.17

Fig. 4, 5 and 6 report the experimental curves for the three rod diameters  =10 mm,  =14 mm,  =20 mm respectively, with the different stones and embedment lengths. A comprehensive report of the experimental results can be found in [7].

Diameter  10

40

30

A-10-3 A-10-5 A-10-10 B-10-3 B-10-5 B-10-10 C-10-3 C-10-5 C-10-10

20

FORCE [kN]

10

0

0

4

8

12

16

20

DISPLACEMENT [mm]

Figure 4 : Bar diameter 10 mm. Influence of the embedment length and of the stone type on the failure mechanism.

Diameter  14

80

60

A-14-3 A-14-5 A-14-10 B-14-3 B-14-5 B-14-10 C-14-3 C-14-5 C-14-10

40

FORCE [kN]

20

0

0

4

8

12

16

20

DISPLACEMENT [mm]

Figure 5 : Bar diameter 14 mm. Influence of the embedment length and of the stone type on the failure mechanism.

Diameter  20

160

120

A-20-3 A-20-5 A-20-10 B-20-3 B-20-5 B-20-10 C-20-3 C-20-5 C-20-10

80

FORCE [kN]

40

0

0

4

8

12

16

20

DISPLACEMENT [mm]

Figure 6 : Bar diameter 20 mm. Influence of the embedment length and of the stone type on the failure mechanism.

199