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- Seismic shear wave splitting 地震波横波分裂
- In shear wave splitting research using multicomponent VSP data, wave characteristic in surface layer and source behaviour influence greatly the anisotropy interpretation of objective interval. 在利用多分量VSP数据进行横波分裂的研究中,地表层的波的特性和震源的行为严重影响了目标层的各向异性性质的解释。
- The numerical results clearly reflect the wave propagation process and the phenomena of shear wave splitting and wave-field differences caused by the azimuthal property variations. 数值结果准确地反映了方位各向异性介质中波场的变化过程,可以清晰地观察到横波分裂和方位特征差异等现象。
- The paper also describes the propagation of elastic waves in EDA medium by using the numerical result of finite difference, and indicates shear wave splitting . 文中利用有限差分数值计算的结果展示了弹性波在EDA介质中的传播特征,揭示了横波分裂现象及几种弹性参数的地质意义。
- Keywords azimuthal anisotropy;shear wave splitting;3CVSP;fracture; 方位各向异性;横波分裂;三分量垂直地震剖面;裂隙;
- Keywords fracture;converted wave;shear wave splitting;three-component seismogram;extensive dilatancy anisotropy; 裂隙;转换波;横渡分裂;三分量地震记录;泛张各向异性;
- Keywords EDA medium;azimuthal anisotropy;coordinate transform;slowness;shear wave splitting; EDA介质;方位各向异性;坐标变换;慢度;横波分裂;
- seismic shear wave detection 地震横波勘探
- shear wave splitting 横波分裂
- Based on the shear wave formulation,this paper presents a new method to calculate horizontal seismic responses of multistory shear type structures. 基于结构侧向位移的剪切波动方程,提出分析多层剪切型结构水平地震反应的新方法。
- The great difficulties in threecomponent seismic survey are depressing random noise in acquisition, removing the artificial vertical faults in shear wave section. 三分量地震勘探的最大难点是采集上压制随机干扰,处理上去除转换波剖面上同相轴的人为的直立错断(由于通常处理软件不佳引起)。
- Crosswell seismic practices reveal that one kind of so??called shear wave can be recorded even using piezoelectricity hydrophone in quasi homogeneous media. 井间地震的资料证明,在"拟均匀介质"的地层中,即便用压电检波器也可以记录到"横波"资料。
- In this paper, taking the artificial modes as the theoretical tool, concise forznulas fbr the principal and secondary upper bound seismic shear foroe and bending moment of the cantilever-typed structure are derived. 本文以人工振型作为理论工具,推演出伸臂式结构地震剪力和地震弯矩的主、次上界的简练公式。
- M.J.N. Priestley, F. Seible, R. Verma, and Yao Xiao (1994), “Seismic Shear Strength of Reinforced Concrete Columns,” ASCE Journal of Structural Engineering, Vol. 120, No. 8, August 1994, pp.2310-2329. 黄世建、方文宏、李宏仁,“钢筋混凝土低型剪力墙之之抗剪强度评估”,民国87年7月。
- Priestley, M.J.N., Verma, R., and Xiao, Y.(1994), "Seismic Shear Strength of Reinforced Concrete Columns," ASCE Journal of Structural Engineering, vol. 120, no. 8, pp. 2310-2329. 林正穆(2003),既有钢筋混凝土结构功能设计法耐震能力评估之探讨,硕士论文,私立中原大学土木工程学研究所,桃园。
- And the special phenomena such as the S wave splitting, the blind points of the S wave splitting and wavefront triplication are dearly observed. 而慢纵波在固相和流相中的相位相反,即慢纵波在流相中振幅大,而在固相中的振幅较小。
- Shear wave: The vibration direction of the particle is perpendicular with the spread direction of the wave. 横波:质点的振动方向跟波的传播方向垂直的波。
- AVO phenomenon relating to petrophysical parameters can be seen in both compressional wave and shear wave. 地震反射振幅随炮检距变化的规律不仅纵波存在,横波同样也具有与物性参数有关的AVO特征。
- Principle of saturated sand cyclic liquefaction evaluation by shear wave velocity was presented. 摘要介绍了应用剪切波速判别饱和砂土振动液化的原理;
- At the balanceable place the incoming wave is inputted vertically as shear wave in the bottom of the mode. 框架结构在静力作用下产生位移,在静平衡位置再输入地震波。