A Large Scale Test System to Investigate MSE Soil Reinforcement-Backfill Interaction

Research output: Contribution to conferencePaperpeer-review


Pullout resistance of earth reinforcement embedded in backfill is an important design parameter that controls the internal stability of the mechanically stabilized earth (MSE) retaining wall systems. In routine design practice, the pullout resistance is estimated based on semi-empirical equations that have been developed based on available test data. However, there are several drawbacks in the use of such semi-empirical equations. First, these semi-empirical relationships represent a broader range of backfill including some low quality, fine-grained material. Therefore, they generally provide pullout resistance estimates that are too conservative. Secondly, most of the pullout test data have been obtained from small scale test systems and therefore may not correctly simulate actual reinforcement-soil interaction that may occur under field conditions. Finally, none of the testing conducted to date has investigated alternative reinforcement configurations used in the field to cir
Original languageEnglish
StatePublished - Jul 2011


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