Fig. 1. Stress distribution in the grout (adapted from Samwoo Anchor Technology 2012)
Fig. 2. Stress distribution in the grout corresponding to anchor spacing
Fig. 3. Schematic diagram of numerical modeling
Fig. 4. Load-movement curves at anchor head
Fig. 5. Axial load distribution in grout
Fig. 6. Anchor modeling and element meshes
Fig. 7. Axial stress distribution in the grout (weathered soil, QL=215.3 kN)
Fig. 8. Maximum compressive and tensile stresses in the grout (0.8×QL)
Fig. 9. Axial stress distribution in the grout (spacing=1.5 m, QL=215.3 kN)
Fig. 10. Axial stress distribution in the grout according to pull-out load in weathered rock
Fig. 11. Optimum spacing of anchor bodies
Table 1. Input soil properties (adopted from Kim et al., 2007)
Table 2. Input properties of grout and anchor body
Table 3. Analysis cases
Table 4. Input soil properties (Seoul Metropolitan City, 2006)
Table 5. Input properties of grout
Table 6. Maximum pull-out load
References
- ACI Committee 318 (2011), Building code requirements for structural concrete (ACI 318-11) and commentary, American Concrete Institute, Farmington Hills, Mich.
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- Moosavi, M. and Bawden, W.F. (2003), "Shear Strength of Portland Cement Grout", Cement and Concrete Composites, Vol.25, No.7, pp.729-735. https://doi.org/10.1016/S0958-9465(02)00101-4
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