Sadr, Abdollah, Hataf, Nader. (1403). Designing the Soilbag Columns: An Analytical Approach and Numerical Validation. هنرهای کاربردی, 12(2), 14-25. doi: 10.22075/jrce.2023.30079.1821
Abdollah Sadr; Nader Hataf. "Designing the Soilbag Columns: An Analytical Approach and Numerical Validation". هنرهای کاربردی, 12, 2, 1403, 14-25. doi: 10.22075/jrce.2023.30079.1821
Sadr, Abdollah, Hataf, Nader. (1403). 'Designing the Soilbag Columns: An Analytical Approach and Numerical Validation', هنرهای کاربردی, 12(2), pp. 14-25. doi: 10.22075/jrce.2023.30079.1821
Sadr, Abdollah, Hataf, Nader. Designing the Soilbag Columns: An Analytical Approach and Numerical Validation. هنرهای کاربردی, 1403; 12(2): 14-25. doi: 10.22075/jrce.2023.30079.1821

Designing the Soilbag Columns: An Analytical Approach and Numerical Validation

Journal of Rehabilitation in Civil Engineering
مقاله 2، دوره 12، شماره 2 - شماره پیاپی 34، تابستان 2024، صفحه 14-25    اصل مقاله (837.31 K)
نوع مقاله: Regular Paper
شناسه دیجیتال (DOI): 10.22075/jrce.2023.30079.1821
نویسندگان
Abdollah Sadr1؛ Nader Hataf* 2
1Department of Civil Engineering, University of Hormozgan, Bandar Abbas, formerly Department of Civil and Environmental Engineering, Shiraz University, Shiraz, Iran
2Department of Civil and Environmental Engineering, Shiraz University, Shiraz, Iran
چکیده
The use of wrapping geosystems such as soilbags as reinforcement has been increasingly studied. Soilbag columns may be utilized as an alternative method for improving the weak soil under the footing. An analytical approach was developed to predict the stress-strain response of the soilbags under compression. Using three-dimensional numerical modeling, the validity of the relationships was investigated and then developed for the soilbag columns supporting the footing loads. Compared to numerical results, it was found that for the stiffer wrapping materials, the analytical approach overestimates the bearing stress of the soilbag columns. However, the estimation of the bearing stress of soilbag columns matches well with the numerical results for high values of backfill friction angles. The results from the analyses were used to develop the design guidelines for the design of soilbag columns for the given settlement. Design charts propose a preliminary selection for the tensile stiffness of wrapping geosystems.

تازه های تحقیق
  • Soilbag (geobag) column as a novel soil improvement technique was introduced.
  • An analytical stress-strain relationship for a single soilbag was developed and used to estimate the compressive behavior of soilbag columns.
  • The analytical approach was validated using numerical modeling in ABAQUS.
  • A series of design charts were prepared.
کلیدواژه‌ها
Soilbag columns؛ Analytical approach؛ Numerical validation؛ Design charts
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