Table 4 Indoor test sample parameter table.

From: Ultrasonic guided wave nondestructive testing of anchorage quality of rebar resin bolt based on EMD-PCA

Sample number

Anchor length (mm)

Bonding length (mm)

Bolt diameter (mm)

Anchorage compactness

Defect length (mm)

A-1

1020 mm

–

22 mm

–

–

A-2

480 mm

480 mm

22 mm

100%

–

C-1

1020 mm

492 mm

22 mm

49.2%

250 mm

C-2

1020 mm

830 mm

22 mm

75.9%

200 mm