瑞利波

  • 网络rayleigh wave;Raleigh waves;SASW
瑞利波瑞利波
  1. 用超声瑞利波研究延性启裂

    Research on Ductile Incipient Crack by Using Ultrasonic Rayleigh Waves

  2. 用瑞利波研究新疆塔里木盆地地壳分层结构及QR值

    Use of Rayleigh waves to study the layered crustal structure and q_r values of Tarim Basin in Xinjiang Province

  3. 疲劳裂纹扩展速率(da)/(dN)的超声瑞利波测量

    Measurement of Fatigue Crack Propagation Rate da / dN by Using Ultrasonic Rayleigh Waves

  4. 此外,根据瑞利波由P波和S波振动叠加而成的特点,分析了无限半空间各向同性介质和横观各向同性介质中瑞利波的传播特性;

    Rayleigh wave is a type of superimposition wave forming by vibration of P and S waves . According to the characteristic , the authors analyse the propagation characters of Rayleigh wave in isotropic media and horizontally isotropic media in semi infinite body .

  5. 结果表明,将超声瑞利波探测裂纹的强度法和时延法结合起来,采用脉冲回波重合法,确定的启裂韧性J(Ic)更能反映真实情况。

    The results indicate that the measurement of ductile fracture toughness J_ ( IC ) is more accurate by combining the sonic intensity method with the delay time method and by adopting pulse-echo-overlap-method .

  6. 根据路基现场回弹模量实测资料,采用瑞利波测试、弯沉测试、现场CBR与载荷板试验,系统研究了路基的力学特性。

    On the basis of the modulus of resilience tested on site , the mechanical performance of highways subgrade was investigated in a systematical way by the Rayleigh Wave test , bending test , field CBR and loading plate test .

  7. 笔者利用有限差分软件FLAC3D,对单层介质半无限大体和三维路基体的瑞利波传播特性以及频散曲线进行了数值模拟分析;

    Rayleigh wave propagation and dispersive curve in single layers semi-infinite space model and three dimensional road embankment are studied comprehensively by using finite difference software FLAC3D .

  8. 应用Biot弹性波理论对双相介质中的瑞利波作了分析和计算,导出了复波数的频散方程和位移场失量的解析表达式。

    Rayleigh wave in two-phase medium is analysed and calculated with Biot 's theory of elastic wave , The dispersion equation of complex wave number and the analytic expressions of the vector of displacement field are derived .

  9. 结果表明:随着频率的增加,柱面瑞利波的相速度先迅速增加到最大值CRmax后逐渐减小并趋于平面瑞利波的波速CPR。

    The results show that with the frequency increasing , the phase velocity of cylindrical Rayleigh wave rapidly increases to the maximum value C_ ( Rmax ), and then gradually decreases to that of plane Rayleigh wave C ~ P_R .

  10. 本文基于Biot提出的饱和多孔介质的弹性波动方程,导出饱和土层中瑞利波弥散特征方程,并由此分析了瑞利波的弥散特性和位移分布规律。

    Based on the Biot 's theory of wave propagation in porous fluid-saturated media , the secular equations of Rayleigh wave movement in saturated soil layer are derived . The characteristic of the first mode of wave is analyzed .

  11. 根据对堤坝隐患检测的实践和效果,从堤坝外在条件和内部结构特点,联系隐患自身性质,探讨了利用地质雷达(GPR)和瑞利波探测隐患的原理、方法和效果。

    On the basis of practices and effects of dam anomaly detection , and in consideration of dam structures and characteristics of anomalies , a discussion is made on the principle , procedure , and effectiveness of anomaly detection with Ground Penetrating Radar and the Rayleigh Wave .

  12. 基于Biot两相饱和多孔介质理论,推导了准饱和土中瑞利波弥散特征方程,并研究了饱和度对准饱和土中瑞利波的弥散特性和位移分布的影响。

    The secular equations of Rayleigh wave propagation in partially saturated soil are derived based on the Biot 's theory of wave propagation in porous two-phase media . And the saturation effects on dispersion characteristic and displacement distribution of Rayleigh wave in partially saturated soil are discussed .

  13. MASW勘探方法是近年来兴起的一种新的岩土工程勘探方法,其原理是利用瑞利波的频散特征,对工程介质体的物理力学性质做出正确的解释和合理的工程评价。

    MASW exploration is a new method for geo-technical engineering exploration in recent years . Its principle makes the correct explanation and project evaluation to physics mechanical properties of media body , according to dispersion of Rayleigh wave .

  14. 根据工程勘察取得的大量试验资料,通过标贯、GJS原状取砂、OYO&3000系列密度测井及瑞利波测试等综合方法,对砂层震动液化问题进行了深入的研究,为坝基加固处理提供了重要依据。

    An in-depth study has been carried out on it through numerous tests and comprehensive analysis , including SPT , GJS undisturbed sampling , OYO-3000 density log and Rayleigh wave measurement . The obtained results provide an important basis for dam foundation treatment .

  15. 本文分析得到的厦门两场地的瑞利波频散曲线与Yamanaka博士的结果进行对比,验证了本文程序的可靠性,对存在差异的原因进行了分析。

    Rayleigh wave dispersive curves of the two sites in XiMen city were estimated in this paper , and the result were compared with Doctor Yamanaka . Result proved that the program is reliable , and the reasons why those curves were difference were analysed . Second , array configuration .

  16. 瑞利波法试验研究和理论综述

    Survey of Theoretical and Experimental Aspects on Surface Waves Testing Method

  17. 岩芯表面瑞利波速率的激光测试方法

    Measurement of the Surface Rayleigh-Wave Rate of the Oil-drill-core by Laser

  18. 流体-固体成层介质中瑞利波特性的进一步讨论

    Further Discussion on Rayleigh Wave Characteristics in Layered Fluid Solid Media

  19. 道路结构瑞利波特性及动力响应分析

    Characterristics of R Wave and Calculating Dynamic Respones in Pavement Structures

  20. 瑞利波勘探的波长解释法新探

    A new investigation into interpretation of wavelength in Rayleigh wave exploration

  21. 瑞利波检测公路粉喷桩复合地基研究

    Inspecting Composite Highway Ground of Powder-injection Piles by Rayleigh Wave Techniques

  22. 瑞利波法估算地基抗剪强度的应用

    Application of Rayleigh Wave Method on Estimation to Foundation Shear Strength

  23. 双相介质半空间中瑞利波的研究

    Study on Rayleigh Wave in the Half Space of Two-Phase Medium

  24. 表面垂直裂痕诱发瑞利波散射的数值分析

    Numerical simulation of scattering of Rayleigh wave by a surface-breaking crack

  25. 另一种表面波是瑞利波。

    The other kind of surface wave is the Rayleigh wave .

  26. 基于泄漏瑞利波的等离子喷涂涂层质量评价

    Quality Evaluation of Plasma Spray Coating Based on Leaky Rayleigh Wave

  27. 路基边界对瑞利波检测影响的数值模拟研究

    Numerical research on road embankment boundary effects on Rayleigh wave exploration

  28. 多分量瑞利波勘探系统和试验效果

    The multicomponent Rayleigh wave exploration system and its test effectiveness

  29. 稳态瑞利波法探测浅层地层波速

    The shallow formation wave speed detected by steady state Rayleigh wave method

  30. 充流体的裸眼井中伪瑞利波的分析

    The frequency analysis of pseudo Rayleigh wave in fluid filled cylindrical borehole