A simple method to evaluate the pullout resistance of extruded geogrids embedded in a compacted granular soil

Moraci, Nicola; Gioffrè, Domenico

doi:10.1016/j.geotexmem.2005.11.001

Cited by 91 publications

(35 citation statements)

References 11 publications

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“…The pullout apparatus is basically composed of a rigid steel large pullout box, a vertical load application system, a horizontal force application device, a clamp system, and all the required control and data acquisition instruments [3,7,8].…”

Section: Factors Affecting Pullout Test Resultsmentioning

confidence: 99%

“…Fig. 24 Comparison between experimental and theoretical values of peak pullout resistance [7] Conclusions on Soil-Geosynthetic Interaction in Pullout Tests Based on the considerations outlined in the previous paragraphs, the following conclusions can be drawn.…”

Section: Theoretical Interpretation Of Soil-geosynthetic Interaction mentioning

confidence: 93%

“…Another important topic is the configuration of the clamping system used to apply the pullout tensile force that can be either outside or inside the pullout box [3,7]. In the second case, the clamping system is inserted at a given depth into the test box, embedded in the soil, in order to allow total confinement of the reinforcement during the test.…”

Section: Influence Of Clamping System Of Specimen Width and Of Dispmentioning

confidence: 99%

“…Moraci and Gioffrè [7] proposed a simple method to predict the pullout resistance of geogrids embedded in compacted granular soils. The method is suitable for geogrids for which scale and interference effects are negligible.…”

Section: Theoretical Interpretation Of Soil-geosynthetic Interaction mentioning

confidence: 99%

See 3 more Smart Citations

Soil Geosynthetic Interaction: Design Parameters from Experimental and Theoretical Analysis

Moraci

Cardile

Gioffrè

et al. 2014

Transp. Infrastruct. Geotech.

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The main objective of this paper is to discuss the experimental and theoretical approaches developed by different researchers in order to understand and to evaluate the soil geosynthetic interaction under different loading conditions. In the paper, the soil-geosynthetic interaction in pullout, direct shear, and inclined plane tests under both static and cyclic loading is analyzed based on the different theoretical and experimental results carried out by the authors and also available in literature. For each type of test, the factors affecting test results and soil-geosynthetic interface behavior, the theoretical model developed to predict the interface resistance and mobilized friction, and the relevance of the interface parameters obtained through the different tests in the design and performance of geosynthetic reinforced earth structures are discussed in detail.Keywords Geosynthetic . Interaction . Design . Laboratory tests . Modeling Transp. Infrastruct. Geotech. (2014) Grain size corresponding to 85 % in weight of passing soil (mm)Maximum grain size (mm) DrRelative density (%) f Cyclic tensile load frequency (Hz)Force required to hold back the upper box (kN)Lower support minimum length along the displacement direction (m) L R Reinforcement length in the anchorage zone (m) L U Upper box minimum length along the displacement direction (m) n t Number of geogrid bearing members n tbNumber of nodes in a transversal element P b1Maximum pullout bearing force of a single isolated transverse member (kN/m) P bn Maximum pullout bearing force (kN/m) P

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Section: Factors Affecting Pullout Test Resultsmentioning

confidence: 99%

Section: Theoretical Interpretation Of Soil-geosynthetic Interaction mentioning

confidence: 93%

Section: Influence Of Clamping System Of Specimen Width and Of Dispmentioning

confidence: 99%

Section: Theoretical Interpretation Of Soil-geosynthetic Interaction mentioning

confidence: 99%

See 2 more Smart Citations

Soil Geosynthetic Interaction: Design Parameters from Experimental and Theoretical Analysis

Moraci

Cardile

Gioffrè

et al. 2014

Transp. Infrastruct. Geotech.

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show abstract

“…Moraci [1] studied the method of the pullout resistance of geogrids. Hou J [2] studied the pullout test of bidirectional geogrid with strengthen nod.…”

Section: Introductionmentioning

confidence: 99%

Experimental Study of Tensile Properties of the Steel-Plastic Geogrids

Wang¹,

Lü²,

Kong³

et al. 2014

TOMSJ

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Abstract:Tensile strength is an important indicator of the steel-plastic geogrid mechanical properties. Tensile strength directly affects the size of the steel geogrid security and stability in support of the project. Stretching through the indoor geogrid test for combinations of different sizes and different geogrid elongation rate, tensile strength of the geogrid were compared. The findings are as follows: (1)The size of the stretching rate has a significant effect on the tensile properties of steel-plastic geogrid. The strain is constant, the stretching rate, the lower the tensile strength of the geogrid; stretching rate is constant, the greater the strain Plastic geogrid, the greater the tensile strength;(2) Peak strain increases with extension rates decrease; higher tensile strength material to reduce the amplitude of the smaller; under the same conditions of stretch rate, the lower the tensile strength of the geogrid, the higher the peak strain;(3)Different effects under different specifications geogrid tensile rate, steel-plastic geogrid degree of influence by the stretching rate is less than the plastic geogrid.

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Pullout Test Study on Interface Friction Characteristics of Reinforcements with Red Sandstone as Filler

Lin

Guolin

et al. 2010

Advances in Environmental Geotechnics

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A simple method to evaluate the pullout resistance of extruded geogrids embedded in a compacted granular soil

Cited by 91 publications

References 11 publications

Soil Geosynthetic Interaction: Design Parameters from Experimental and Theoretical Analysis

Soil Geosynthetic Interaction: Design Parameters from Experimental and Theoretical Analysis

Experimental Study of Tensile Properties of the Steel-Plastic Geogrids

Pullout Test Study on Interface Friction Characteristics of Reinforcements with Red Sandstone as Filler

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