Table 2 Specimen grouping design parameter table
Parameter | Anchor length (mm) | thickness N (piece) | Bore diameter (mm) | Slurry number | Ribbed spacing (mm) | Angel of inclination (°) | Number of test pieces |
|---|---|---|---|---|---|---|---|
Factor | |||||||
L Series (Anchor length) | 800 (L8) | Single | 45 | S2 | 30 | 0° | 3 |
1200 (L12) | 3 | ||||||
1500 (L15) | 3 | ||||||
2000 (L20) | 3 | ||||||
3000 (L30) | 3 | ||||||
H Series (One-sided thickness) | 1200 | Single (H1) | 45 | S2 | 30 | 0° | 3 |
Double root (H2) | 3 | ||||||
D Series (Aperture) | 1200 | Single | 45 (D45) | S2 | 30 | 0° | 3 |
75 (D75) | 3 | ||||||
80 (D80) | 3 | ||||||
S Series (Slurry strength) | 1200 | Single | 45 | S1 | 30 | 0° | 3 |
S2 | 3 | ||||||
S3 | 3 | ||||||
R Series (Ribbed spacing) | 1200 | Single | 45 | S2 | 0 (R0) | 0° | 3 |
30 (R30) | 3 | ||||||
100 (R100) | 3 | ||||||
A Series (slope) | 1200 | Single | 45 | S2 | 30 | 0 (A0) | 3 |
10 (A10) | 3 | ||||||
15 (A15) | 3 |