Reinforced earth is an kind of composite soil composed of soil and reinforcement. In this paper, two methods to analyze the mechanical behaviors of geosynthetic reinforced soil are introduced. In one method, soil and reinforcement are considered separately and they interact with each other through the interface between them. In the other method, the reinforced earth is considered as an anisotropic homogeneous composite. The shortcomings of the two methods are discussed, and on this basis, a new method to analyze the mechanical behavior of reinforced earth is presented.
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