Table 1 Parameters of materials.

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

Material

Poisson ratio μ

Density ρ/(kg·m−3)

Elastic modulus E/GPa

Anchor bolt

0.3

7.85

210

Resin anchoring cartridge

0.3

2

6.5

Wall rock

0.2

2.5

30

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