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Study on Dynamic Response of the "Dualistic" Structure Rock Slope with Seismic Wave Theory
  • 分类:TU457[建筑科学—岩土工程;建筑科学—土工工程] P631.413[天文地球—地质矿产勘探;天文地球—地质学]
  • 作者机构:[1]State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, Chengdu 61oo59, China
  • 相关基金:financially supported by Project of the National Natural Science Foundation of China (Grant No. 41002126);Project of State Key Laboratory of Geohazard Prevention and Geoenvironment Protection (Grant No. SKLGP2009Z010)
中文摘要:

当前,欠缺的注意在二元的结构岩石斜坡的动态反应机制上对理论分析被给予了。这里介绍的分析提供卓见进二元的结构岩石斜坡的动态反应。由调查精力分发的原则,一个关节的效果在斜坡稳定性分析起一个重要作用,这被显示出。为二元的结构岩石斜坡和明确的动态方程的一个动态思考和传播模型(请读使用手册) 被建立分析一个斜坡的动态反应,基于有弹性的力学和震波繁殖的原则的理论。理论模拟答案证明二元的结构岩石的动态反应倾斜(软难) 模型比二元的结构岩石斜坡的伟大(难软) 模型,特别在斜坡冠。动态反应上的僵硬基础的放大效果比软基础的更明显。与增加的振幅,裂缝能在正确斜坡被发现(软难) 冠。冠失败第一在正确斜坡被观察(软难) 在试验性的过程期间。理论模型的可靠性被实验分析也调查。在这份报纸导出的结论能也在多层的岩石斜坡的未来评估被使用。

英文摘要:

Currently, scant attention has been paid to the theoretical analysis on dynamic response mechanism of the "Dualistic" structure roek slope. The analysis presented here provides insight into the dynamic response of the "Dualistie" structure rock slope. By investigating the principle of energy distribution, it is shown that the effect of a joint plays a significant role in slope stability analysis. A dynamic reflection and transmission model (RTM) for the "Dualistic" structure rock slope and explicit dynamic equations are established to analyze the dynamic response of a slope, based on the theory of elastic mechanics and the principle of seismic wave propagation. The theoretical simulation solutions show that the dynamic response of the "Dualistic" structure rock slope (soft-hard) model is greater than that of the "Dualistic" strueture rock slope (hard-soft) model, especially in the slope crest. The magnifying effect of rigid foundation on the dynamic response is more obvious than that of soft foundation. With the amplitude increasing, the cracks could be found in the right slope (soft-hard) crest. The crest failure is firstly observed in the right slope (soft-hard) during the experimental process. The reliability of theoretical model is also investigated by experiment analysis. The conclusions derived in this paper could also be used in future evaluations of Multi-layer rock slopes.

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