Research Article
Experimental and Numerical Studies on the Inflatable Recyclable Anchor in the Tube Piece Type Based on the Soil-Anchor Interaction Mechanism
Table 1
Summary of the field experiments.
| Test no. | Inflation pressure (kPa) | Embedment depth H (mm) | Steel disc thickness t (mm) | Time lapse between anchor inflation and uplift T (min) | Peak uplift force Pult (kN) | The corresponding displacement at Pult s (mm) | Residual uplift force R (kN) |
| 1 | 100 | 1500 | 2 | 5 | 4.12 | 6.02 | 3.55 | 2 | 200 | 1500 | 2 | 5 | 6.01 | 6.96 | 5.55 | 3 | 300 | 1500 | 2 | 5 | 8.42 | 10.53 | 7.26 | 4 | 400 | 1500 | 2 | 5 | 11.42 | 13.23 | 9.98 | 5 | 200 | 1500 | 1 | 5 | 5.17 | 8.96 | 4.45 | 6 | 200 | 1500 | 5 | 5 | 6.52 | 11.51 | 5.67 | 7 | 200 | 1500 | 5 | 5 | 6.94 | 9.32 | 5.85 | 8 | 300 | 1500 | 1 | 5 | 6.92 | 10.68 | 5.94 | 9 | 300 | 1500 | 5 | 5 | 8.64 | 14.44 | 7.39 | 10 | 300 | 1500 | 5 | 5 | 9.22 | 12.87 | 7.84 | 11 | 300 | 2000 | 2 | 5 | 9.29 | 10.78 | 8.15 | 12 | 300 | 2500 | 2 | 5 | 10.54 | 11.06 | 9.06 | 13 | 300 | 1500 | 2 | 120 | 7.73 | 12.86 | 6.85 | 14 | 300 | 1500 | 2 | 480 | 8.88 | 11.36 | 7.40 | 15 | 300 | 1500 | 2 | 1440 | 9.94 | 11.53 | 8.86 |
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5 denotes the steel disc ( t = 5 mm) surface roughness was increased by adding mortar. |