Abstract
Geosynthetic is a versatile innovation that revolutionized the construction industry. Soils like silty sands and clay make it furthermore difficult to be used for construction purposes. For these types of soils to be used as a foundation material or as a subgrade material, it needs to be stabilized either physically or chemically. The process, however, not economically feasible in most cases. A sustainable alternative is by reinforcing poor soils with geosynthetic materials. This paper is a study about how the planar forms of geosynthetics—geotextiles and geogrids—interact with the soil system and results in increased bearing capacity with minimum settlements. It is observed that by the inclusion of geosynthetic layers, the settlement was found to be reduced by 20% in almost all cases which shows the effectiveness of the reinforcement. It is also noted that an increased number of geosynthetic layers, up to 2, increases the bearing capacity and remains constant with further addition. Due to their interlocking properties, geogrids prove to be a better reinforcing material than geotextiles.
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Abbreviations
- D 10 :
-
Effective particle size of soil
- D 50 :
-
Mean size of soil particles.
- C u :
-
Coefficient of uniformity
- C c :
-
Coefficient of curvature
- D :
-
Depth of footing
- B :
-
Width of footing
- N :
-
Number of reinforcement layers c-cohesion
- ɸ :
-
Angle of internal friction
- q u :
-
Ultimate bearing capacity of soil
- BCR:
-
Bearing capacity ratio
- U :
-
Depth of the first layer of reinforcement from the bottom of the footing
- b :
-
Width of the reinforcement layer
- γ :
-
Bulk density of soil
- γ dmin :
-
Minimum dry density of soil
- γ dmax :
-
Maximum dry density of soil
- MD:
-
Tensile strength in machine direction
- XMD:
-
Tensile strength in the cross-machine direction
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Sinha, P., Anusha Raj, K., Kumar, S., Singh, D. (2023). Mechanical Behavior of Geotextile and Geogrids on Soil Stabilization: A Review. In: Manik, G., Kalia, S., Verma, O.P., Sharma, T.K. (eds) Recent Advances in Mechanical Engineering. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-19-2188-9_28
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