Settlement Foundations by Exploring the Collapse of Unsaturated Soils
Abstract
:1. Introduction
2. Adopted Numerical Framework Using EBBM Theoretical to Predict Collapse
2.1. Elastic Deformation
2.2. Plastic Deformation
3. Validation of the Theoretical Framework
4. Development of a Deterministic Framework Affected by Rainfall Infiltration on the Collapsibility of the Foundation
4.1. Hydraulic Variation
4.2. Collapse Settlements
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Appendix A
References
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Basma and Tuncer (1992) [3] |
Lim and Miller (2004) [15] |
Ayadat and Hanna (2008) [18] |
Zorlu and Kasapoglu (2009) [17] |
Rabbi et al. (2015) [16] Ashour et al. (2020) [19] Alassal et al. (2023) [20] (X = −15.15 for Dr ≈ 35%, wi = 5%, fines content = 40%). |
Description | Value | |
---|---|---|
G | Shear modulus | 7 [MPa] |
K | Swelling index | 0.0077 |
Ks | Swelling index for variation in suction | 0.001 |
λ(0) | Compression index at zero suction | 0.066 |
λs | Compression index for variation in suction | 0.025 |
Pref | Reference pressure | 0.012 [MPa] |
Initial preconsolidation pressure | 0.02 [MPa] | |
w | Weight parameter | 0.25 |
m(1/β) | Soil stiffness parameter | 0.05 [MPa] |
b | Plastic potential parameter | 100 |
Sy0 | Initial yield value for suction | 0.3 [MPa] |
ks | Tension-to-suction ratio | 0.8 |
M | Slope of critical state line | 1.2 |
Parameter | Value |
---|---|
Ks | 0.75 [m/day] |
α | 0.44 [1/m] |
n | 1.103 |
l | 0.5 |
3.59 × 10−23 | |
0.37 | |
χf | 4 × 10−10 [1/Pa] |
χp | 1 × 10−4 [1/Pa] |
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Fatahizadeh, M.; Nowamooz, H. Settlement Foundations by Exploring the Collapse of Unsaturated Soils. Appl. Sci. 2024, 14, 7688. https://doi.org/10.3390/app14177688
Fatahizadeh M, Nowamooz H. Settlement Foundations by Exploring the Collapse of Unsaturated Soils. Applied Sciences. 2024; 14(17):7688. https://doi.org/10.3390/app14177688
Chicago/Turabian StyleFatahizadeh, Marieh, and Hossein Nowamooz. 2024. "Settlement Foundations by Exploring the Collapse of Unsaturated Soils" Applied Sciences 14, no. 17: 7688. https://doi.org/10.3390/app14177688