| 考虑剪切滑移效应时节理岩体中剪切S波的传播特性探析 |
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| 引用本文： | 宋林,邵珠山,吴敏哲,王新宇.考虑剪切滑移效应时节理岩体中剪切S波的传播特性探析[J].西安建筑科技大学学报(自然科学版),2011(4). |
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| 作者姓名： | 宋林 邵珠山 吴敏哲 王新宇 |
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| 作者单位： | 西安建筑科技大学土木工程学院;西部建筑科技国家重点实验室(筹); |
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| 基金项目： | 国家自然科学基金资助项目(10772143); 西安建筑科技大学基金资助项目(RC0826) |
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| 摘 要： | 基于一种优化时域算法,考虑岩石节理面剪切滑移效应,对弹性剪切S波在岩石节理中的传播特性进行理论分析.通过建立节理面剪切滑移理论模型,推导并获得了剪切S波斜入射岩体节理时波的传播方程,并对剪切S波斜入射岩石节理面时的数值解进行了参数研究.结果表明,在研究节理的剪切滑移效应对应力波传播规律的影响时,该时域方法避免了复杂的数学运算,如傅立叶变换和傅立叶逆变换,通过迭代计算即可方便求出透射波和反射波的数值解;参数研究表明节理面剪切滑移效应影响着波的传播规律以及能量的变化规律.在工程实际问题分析时,本文的理论模型可更有效的应用于岩体中应力波传播特性方面的研究.
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| 关 键 词： | 时域算法 剪切滑移 岩石节理 剪切S波 |
Theoretical analysis on the propagation characteristic of S-wave across single fracture with consideration of shear slide behavior |
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| SONG Lin,SHAO Zhu-shan,WU Min-zhe,WANG Xin-yu,China.Theoretical analysis on the propagation characteristic of S-wave across single fracture with consideration of shear slide behavior[J].Journal of Xi'an University of Architecture & Technology,2011(4). |
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| Authors: | SONG Lin SHAO Zhu-shan WU Min-zhe WANG Xin-yu China |
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| Affiliation: | SONG Lin1,SHAO Zhu-shan1,2,WU Min-zhe1,WANG Xin-yu1,China) |
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| Abstract: | Theoretical investigation on incident S-wave propagating across single rock joint with consideration of shear slide behavior is presented by using a full time-domain algorithm.Shear slip model is established in the paper,and then the wave propagation equations are deduced when the rock joint is subjected to obliquely incident S-wave.Based on the numerical results deduced from the suggested method,parametric studies for oblique incident S-wave are carried out.The results indicated that the wave propagation e... |
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| Keywords: | A full time-domain algorithm Shear slide behavior Rock joint Wave propagation |
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