Investigation on Seismic Damage Model Test of a High Concrete Gravity Dam Based on Application of FBG Strain Sensor

Table 9

Max. tension strains and damage description for the model in the test.

Strain gauge No.	Max. tensile strain/με	Damage description
No. 1	102	No visible crack
No. 2	64	No visible crack
No. 3	396	Visible small crack
No. 4	1078	Severe crack
No. 5	484	Moderate crack
No. 6	1207	Severe crack
No. 7	241	No visible crack
No. 8	594	Moderate crack
No. 9	71	No visible crack
No. 10	54	No visible crack