Field Experimental Study on the Uplift and Lateral Capacity of Deep Helical Anchors and Grouped Helical Anchors in Clays
Abstract
:1. Introduction
2. Test Site and Design
2.1. Test Site
2.2. Test Design
3. Results
4. Discussion
4.1. Effect of the Embedment Depth and Plate Number
4.2. Effect of the Inclination Angle
4.3. Group Effect
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Soil Type | Water Content (%) | Density (g/cm3) | Gravity | Void Ratio (%) | Compression Modulus (MPa) | Liquid Limit (%) | Plastic Limit (%) | Internal Friction Angle (°) | Cohesion (kPa) |
---|---|---|---|---|---|---|---|---|---|
Clay | 12.4 | 1.48 | 2.7 | 1.055 | 7.59 | 23.6 | 14.9 | 27.1 | 15.9 |
Test Number | Direction of Test Load | Embedment Depth H (m) | Anchor Plate Number n | Anchor Plate Spacing S (m) | Inclination Angle α (°) |
---|---|---|---|---|---|
S1 | Uplift | 6.0 | 1 | 0 | 0 |
S2 | Uplift | 6.0 | 2 | 1.2 | 0 |
S3 | Uplift | 6.0 | 3 | 1.2 | 0 |
S4 | Uplift | 6.0 | 4 | 1.2 | 0 |
S5 | Uplift | 6.0 | 4 | 1.2 | 12° |
S6 | Uplift | 6.0 | 4 | 1.2 | 17° |
S7 | Uplift | 7.4 | 1 | 0 | 0 |
S8 | Lateral | 6.0 | 1 | 1.2 | 0 |
S9 | Lateral | 6.0 | 2 | 1.2 | 0 |
S10 | Lateral | 6.0 | 3 | 1.2 | 0 |
S11 | Lateral | 6.0 | 4 | 1.2 | 0 |
S12 | Uplift | 4.8 | 1 | 0 | 0 |
D1 | Uplift | 6.0 | 1 | 0 | 0 |
D2 | Uplift | 6.0 | 1 | 0 | 0 |
D3 | Uplift | 6.0 | 4 | 1.2 | 0 |
D4 | Uplift | 6.0 | 4 | 1.2 | 0 |
G1-U | Uplift | 6.0 | 4 | 1.2 | 0, 7, 7, 10 |
G1-L | Lateral | 6.0 | 4 | 1.2 | 0, 7, 7, 10 |
G2-U | Uplift | 6.0 | 4 | 1.2 | 12, 17, 17 |
G2-L | Lateral | 6.0 | 4 | 1.2 | 12, 17, 17 |
Test Number | Nc-5% | Nc-10% | Nc-20% | Test Number | kL |
---|---|---|---|---|---|
S1 | 3.33 | 7.04 | 12.29 | S8 | 0.27 |
S2 | 8.63 | 13.71 | 19.51 | S9 | 0.20 |
S3 | 8.63 | 16.40 | 25.47 | S10 | 0.31 |
S4 | 6.28 | 15.11 | 29.64 | S11 | 0.55 |
S5 | 7.20 | 11.38 | 19.44 | G1-H | 4.85 |
S6 | 12.62 | 18.96 | 25.91 | G2-H | 2.57 |
S7 | 3.96 | 7.25 | 12.07 | ||
S12 | 3.72 | 7.46 | 12.17 | ||
D1 | 16.94 | 26.43 | 39.89 | ||
D2 | 13.30 | 20.21 | 30.89 | ||
D3 | 20.35 | 39.17 | 59.34 | ||
D4 | 23.26 | 38.77 | 58.37 | ||
G1-U | 12.29 | 47.72 | 64.99 | ||
G2-U | 26.87 | 33.45 | 78.84 |
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Yuan, C.; Hao, D.; Ding, S.; Ding, M. Field Experimental Study on the Uplift and Lateral Capacity of Deep Helical Anchors and Grouped Helical Anchors in Clays. Buildings 2024, 14, 662. https://doi.org/10.3390/buildings14030662
Yuan C, Hao D, Ding S, Ding M. Field Experimental Study on the Uplift and Lateral Capacity of Deep Helical Anchors and Grouped Helical Anchors in Clays. Buildings. 2024; 14(3):662. https://doi.org/10.3390/buildings14030662
Chicago/Turabian StyleYuan, Chi, Dongxue Hao, Shijun Ding, and Mintao Ding. 2024. "Field Experimental Study on the Uplift and Lateral Capacity of Deep Helical Anchors and Grouped Helical Anchors in Clays" Buildings 14, no. 3: 662. https://doi.org/10.3390/buildings14030662