Table 4 Mechanical parameters of bolts.

From: Analysis of elastic and rheological properties of tunnel anchorage support structure under the action of seepage flow

Parameters

Value

ρ/kg·m-3

7600

E/GPa

200

Fc/GPa

2

Ft/MPa

200

Ab/10-4m3

3

gr_coh/MPa

100

gr_fric

0.3

gr_k/GPa

1

gr_per/m

0.6

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