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EVALUATION OF BEARING CAPACITY INCREASE FOR WOVEN GEOTEXTILE REINFORCED SOILS IN TERMS OF WIDTH OF FOOTING
Abstract
If it is understood that a soil medium cannot safely support the planned structure from the point of bearing capacity and settlement, various options can be applied in geotechnical engineering. These are relocation of the structure, usage of deep foundation, stabilisation of the soil, substitution of weak soil with well-graded coarse-grained soil by compaction, usage of geosynthetics, etc. These alternatives are evaluated according to the cost and availability of necessary materials and equipment. Geotextiles, one of the geosynthetic products, have been widely used for soil reinforcement recently. Therefore, the study intends to specify the soil's bearing capacity increase with geotextile and its dependence on footing width. For this aim, a testing apparatus has been produced, and the experiments have been conducted with a strip footing model on soil with various relative densities. Besides, this test setup was simulated with PLAXIS 2D software depending on the finite element method (FEM), and numerical analyses were performed. The numerical results were compared with the laboratory tests to verify parameters of M-C material model. Consequently, the study stated that the relative density of the sand, footing width, and reinforcement layer are significant factors for the bearing capacity increase of granular soils.
Keywords
Project Number
yok
References
- Abu-Farsakh, M., Chen, Q., M., Sharma, R., (2013). An experimental evaluation of the behavior of footings on geosynthetic-reinforced sand, Soils Found, 53(2), 335–348. https://doi.org/10.1016/j.sandf.2013.01.001
- Adams, M. T., Collin, J. G., (1997). Large model spread footing load tests on geosynthetic reinforced soil foundations, Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 123(1), 66–72. https://doi.org/10.1061/(ASCE)1090-0241(1997)123:1(66)
- Asakereh, A., Ghazavi, M., Tafreshi, S.N.M., (2013). Cyclic response of footing on geogrid-reinforced sand with void, Soils Found. 53(3), 363–374.
- ASTM D-4595, (2017). Standard test method for tensile properties of geotextiles by the wide-width strip method, American Society for Testing and Materials, West Conshohocken.
- ASTM D-6913, (2017). Standard test methods for particle-size distribution (gradation) of soils using sieve analysis. American Society for Testing and Materials, West Conshohocken.
- ASTM D-854, (2006). Standard test methods for specific gravity of soil solids by water pycnometer. American Society for Testing and Materials, West Conshohocken.
- ASTM D4253-16, (2016). Standard test methods for minimum index density and unit weight of soils using a vibratory table. ASTM International, West Conshohocken.
- ASTM D4254-16, (2016). Standard test methods for maximum index density and unit weight of soils using a vibratory table. ASTM International, West Conshohocken.
Details
Primary Language
English
Subjects
Civil Geotechnical Engineering
Journal Section
Research Article
Publication Date
June 3, 2024
Submission Date
September 10, 2023
Acceptance Date
January 12, 2024
Published in Issue
Year 1970 Volume: 27 Number: 2
APA
Ateş, B., & Şadoğlu, E. (2024). EVALUATION OF BEARING CAPACITY INCREASE FOR WOVEN GEOTEXTILE REINFORCED SOILS IN TERMS OF WIDTH OF FOOTING. Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi, 27(2), 325-339. https://doi.org/10.17780/ksujes.1358122
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