Pull-Out Resistance of Geogrid Reinforcements

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Pull-Out Resistance of Geogrid Reinforcements
Khalid Farrag
Geosynthetic Engineering Research Laboratory (GERL), Louisiana Transportation
Research Center (LTRC), Gourier Road, Baton Rouge, Louisiana 70803, USA
Yalcin B. Acar*
Civil Engineering Department, Louisiana State University, Baton Rouge, Louisiana
70803, USA
&
Ilan Juran
Department of Civil Engineering, Polytechnic University, 333 Jay Street, Brooklyn,
New York, New York 11201, USA
(Received 30 September 1991: accepted 25 November 1991)
ABSTRACT
Testing equipment, specimen preparation and testing procedures are
presented for load-controlled and displacement-rate-controlled pull-out tests
for geosynthetic reinforcements in granular soils. The influence of the test type,
confining pressure, soil density, boundary conditions, and geotextile
characteristics on pull-out load-displacement response of selected geogrids
embedded in sand are evaluated. Implications for testing procedure and
analysis are discussed.

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