Fig. 1. Two-row overlap pile wall method
Fig. 2. Tetra-axis auger pile wall section
Fig. 3. Definition of second moment of area and parallel axis theorem
Fig. 4. Cross-section of two-row overlap pile wall for calculation of flexural rigidity (different pile diameter)
Fig. 5. Cross-section of two-row overlap pile wall for calculation of flexural rigidity (different overlap length)
Fig. 6. Cross-section of two-row overlap pile wall
Fig. 7. Example of the calculation of flexural rigidity
Fig. 8. Comparison of flexural rigidity for different crosssectional conditions
Fig. 9. Relationship between flexural rigidity and pile diameter for different overlap lengths
Fig. 10. Relationship between flexural rigidity and overlap length for different pile diameters
Fig. 11. Relationship between linear regression model and quadratic regression model
Table 1. Results of flexural rigidity by theoretical approach
Table 2. Regression equations for flexural rigidity of two-row overlap piles with different overlap lengths
Table 3. Regression equations for flexural rigidity of two-row overlap piles with different pile diameters
Table 4. Comparison of theoretical flexural rigidity and estimated flexural rigidity
References
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