Abstract In this paper, a new type of MSE wall facing, termed as hybrid facing, is introduced and studied, which is built using a combination of concrete modular blocks and cast-in-place concrete. Two shaking table tests were carried out to compare seismic performances of model reinforced soil retaining walls with full-height vs. hybrid facing configurations. Results of this study show that the stability and performance of the hybrid facing model were similar to those of the full-height panel wall for peak input acceleration magnitudes less than 0.40 g. The amplification factors along the height of the facing were more uniform and smaller in the hybrid facing model as compared to the full-height panel wall, especially at higher peak acceleration amplitudes. Dynamic increment of lateral earth loads acting on the facing in both cases were found to be only 20% of the values calculated using pseudo-static methods. Connection loads in the hybrid facing model were smaller than those in the full-height panel wall, which was attributed to its smaller facing displacements.

中文翻译：

---

不同饰面配置加筋土挡土墙的振动台性能

摘要 本文介绍并研究了一种新型的MSE墙体饰面，称为混合饰面，它采用混凝土模块化砌块和现浇混凝土相结合的方式建造。进行了两次振动台试验，以比较全高与混合饰面配置的模型加筋土挡土墙的抗震性能。这项研究的结果表明，对于小于 0.40 g 的峰值输入加速度，混合饰面模型的稳定性和性能与全高面板墙的稳定性和性能相似。与全高面板墙相比，混合饰面模型中沿饰面高度的放大系数更均匀且更小，尤其是在更高的峰值加速度振幅下。在这两种情况下，作用在面板上的横向土荷载的动态增量仅是使用伪静态方法计算的值的 20%。混合饰面模型中的连接载荷小于全高面板墙中的连接载荷，这是由于其较小的饰面位移。