Abstract
Abstract The amount of the lateral displacements on the mechanically stabilized earth (MSE) wall depends on the reinforcement extensibility and length, reinforcement-to-facing connection, and the wall facing, among others. In this study, the deformation behavior of MSE wall models was focused considering two types of wall facing and three types of reinforcement. A series of small-scale model tests were undertaken on the MSE wall having a full-height rigid (FHR) facing and a segmental panel-type (SPT) wall facing. At the same time, the models were using discrete geogrids, geosynthetic strips, and steel rods as reinforcement. The results showed that the geogrids-reinforced MSE wall with FHR facing exhibited the highest load capacity with the least vertical displacements. The MSE wall models with steel reinforcements generally exhibited the least lateral displacements at wall facing than those with geosynthetics reinforcements. Finally, the results showed that MSE wall models with FHR facing have generally lesser lateral displacements at the wall facing compared to those with SPT wall facing.
Highlights
The amount of the lateral displacements on the mechanically stabilized earth (MSE) wall depends on the reinforcement extensibility and length, reinforcement-tofacing connection, and the wall facing, among others
A sketch is shown in Figure 10 to visualize the difference of the wall facing profiles between full-height rigid (FHR) facing and segmental panel-type (SPT) wall facing at the end of 40 kN loading
The main conclusions drawn from the series of experimental analyses on six small-scale models of the MSE wall having FHR facing and SPT wall facing are as follows:
Summary
Abstract: The amount of the lateral displacements on the mechanically stabilized earth (MSE) wall depends on the reinforcement extensibility and length, reinforcement-tofacing connection, and the wall facing, among others. The deformation behavior of MSE wall models was focused considering two types of wall facing and three types of reinforcement. The MSE wall models with steel reinforcements generally exhibited the least lateral displacements at wall facing than those with geosynthetics reinforcements. The objective of this article is to present the deformation behavior of MSE wall models using a simple experimental comparison between the FHR facing and segmental panel-type (SPT) wall facing. Six small-scale models were simulated having three different types of reinforcement, such as discrete geogrids, geosynthetic strips, and steel rods, and two different types of wall facing, such as the SPT wall facing and FHR facing. All models have the same loading condition and experimental setup
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