Pullout testing and Particle Image Velocimetry (PIV) analysis of geogrid reinforcement embedded in granular drainage layers

Mirzaeifar, H.; Hatami, Kianoosh; Abdi, Mahmood Reza

doi:10.1016/j.geotexmem.2022.06.008

Cited by 17 publications

(4 citation statements)

References 53 publications

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“…This is due to the friction property of the interface of the two materials. These conclusions are similar to those found in the literature [23].…”

Section: Frictional Behavior Of the Contact Interfacesupporting

confidence: 93%

“…Esmaeili and Pourrashnoo [22] investigated the effect of encasement of ballast with geogrid on shear behavior using a large-scale direct shear apparatus. Mirzaeifar et al [23] studied the possibility of using finegrained soil as backfill material of geosynthetic-reinforced walls and slopes through a laboratory study on pullout behavior of geogrids in granular layers. Moreover, with the help of Particle Image Velocimetry (PIV), the soil-geogrid interactions at different gravimetric water contents (GWC) values were investigated.…”

Section: Introductionmentioning

confidence: 99%

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Experimental Research on the Creep Behavior of the Interface of Compacted Loess and High-Density Polyethylene Geogrid

Yuan,

Hu,

et al. 2023

Buildings

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The stability of geogrid-reinforced soil structure is closely related to the interface characteristics between geogrid and soil. However, the creep behavior of the soil–geogrid interface is still unrevealed. In this study, using a modified stress-controlled pullout device, influence of the normal pressure, dry density, and water content on creep behavior of interface of compacted loess and high-density polyethylene (HDPE) geogrid is investigated. A three-parameter empirical model and a Merchant element model were established through fitting analysis. Analysis results show that the normal pressure, dry density, and water content have significant effects on the creep shear displacement of the reinforced soil interface. Under the same pullout level, creep displacement of the interface increases with the increase of water content and decreases with the increase of dry density and normal pressure. Both the three-parameter empirical model and Merchant element model can describe the creep characteristics of the reinforced soil interface. The Merchant model is more accurate in the early stage, while the three-parameter empirical model is more suitable for predicting the long-term creep deformation of the interface of compacted loess and geogrid.

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“…This is due to the friction property of the interface of the two materials. These conclusions are similar to those found in the literature [23].…”

Section: Frictional Behavior Of the Contact Interfacesupporting

confidence: 93%

Section: Introductionmentioning

confidence: 99%

Experimental Research on the Creep Behavior of the Interface of Compacted Loess and High-Density Polyethylene Geogrid

Yuan,

Hu,

et al. 2023

Buildings

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show abstract

“…Table 4 summarizes the values of the dimensionless model coefficient, along with other analytical parameters assessed in this study. The results of the nonlinear fitting between the normalized pullout force (Pn) and the normalized head displacement (δn) are presented in Table 4, following the calculation procedures based on Equation (4). By restricting the range to 0 < δn ≤ 1, a strong statistical agreement (R 2 > 0.90) with the experimental data was achieved.…”

Section: Load-displacement Behaviormentioning

confidence: 89%

“…Mechanically stabilized earth (MSE) walls utilize the tensile capabilities of inclusions to create reinforced soil masses, and their geomechanical performance is influenced by fill quality and reinforcement characteristics, with coarse-grained aggregates being preferred over fine-grained soils [1][2][3][4][5]. This has limited the use of some alternative fill materials in MSE walls, such as fine-grained tropical soils and industrial byproducts [6], which often do not achieve the conventional design criteria [7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Construction and Demolition Waste and Other Alternative Fills for Strip-Reinforced Soil Walls

et al. 2023

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This article assesses the pullout performance of ribbed metallic strips embedded in fill soils that do not conform to conventional design criteria for mechanically stabilized earth (MSE) walls. These alternative fill soils include gravelly and sandy recycled aggregates from construction and demolition waste, artificial and natural sands, and fine-grained lateritic soil. The research included soil characterization tests and large-scale pullout tests, conducted as part of this study. The results showed that the reinforcement pullout behavior was similar for recycled, artificial, and natural sands, indicating that soil particle size played a crucial role in mobilizing the interface pullout resistance. However, in the case of recycled sand, stress concentration at the reinforcement level led to particle crushing during pullout conditions, causing this material to exhibit less efficient performance compared to other sands. The fine-grained lateritic soil demonstrated inferior behavior compared to sandy soils, despite the interparticle bonding provided by the sesquioxide coating characteristic of intensely weathered tropical soils. Finally, an analytical prediction tool based on experimental results was developed, providing an alternative method to make conjectures about the performance of different soils during the pre-design stages, particularly based on particle size attributes.

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Review on image-based non-destructive observation methods for soil meso-liquefaction process

Wang,

Wu,

Zhou

et al. 2024

Bull Eng Geol Environ

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Pullout testing and Particle Image Velocimetry (PIV) analysis of geogrid reinforcement embedded in granular drainage layers

Cited by 17 publications

References 53 publications

Experimental Research on the Creep Behavior of the Interface of Compacted Loess and High-Density Polyethylene Geogrid

Experimental Research on the Creep Behavior of the Interface of Compacted Loess and High-Density Polyethylene Geogrid

Evaluation of Construction and Demolition Waste and Other Alternative Fills for Strip-Reinforced Soil Walls

Review on image-based non-destructive observation methods for soil meso-liquefaction process

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