Dynamic Response Characteristics of Embankment Model for Various Slope Angles

IF 0.4 Q4 ENGINEERING, GEOLOGICAL Journal of the Korean Geosynthetic Society Pub Date : 2020-06-01 DOI:10.12814/JKGSS.2020.19.2.035
Hoyeon Kim, Yong Jin, Yonghee Lee, H. Kim, Daehyeon Kim
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引用次数: 2

Abstract

In this study, the dynamic response characteristics of the embankment model were analyzed using shaking table experiments. Laminar shear box was used to minimize the boundary effect of the model. The ratio of the vertical length to horizontal length of the slopes were 1:1, 1:1.5, and 1:2. The sensor array which is consist of 12 accelerometers was used to measure acceleration time-histories at each location of the slope model. The dynamic response characteristics of the models were analyzed for sine wave, sinesweep wave, and artificial earthquake wave in this study. The experimental results show that the dynamic response of the embankment model is increased with the slope angle. Furthermore, the experimental setup used in this study was verified with the comparative analysis between experimental results and 1-D analytical simulation on the flat ground model.
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不同坡角下路堤模型的动力响应特性
采用振动台试验,分析了路基模型的动力响应特性。采用层流剪切箱来减小模型的边界效应。坡面垂直长度与水平长度之比分别为1:1、1:1.5和1:2。由12个加速度计组成的传感器阵列用于测量斜坡模型各位置的加速度时程。分析了模型对正弦波、正弦波和人工地震波的动力响应特性。试验结果表明,路堤模型的动力响应随坡角的增大而增大。此外,将实验结果与平坦地面模型的一维解析模拟结果进行对比分析,验证了本文所采用的实验设置。
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