The quantity for shear-wave statics can be derived solely from the shear-wave information in X-component.
转换波的横波静校正量,可以利用x分量上记录的横波信息来解决;
The main parameters of shear-wave splitting are respectively polarization of fast shear-wave, and time delay of slow shear-wave.
快剪切波偏振方向与慢剪切波时间延迟是描述地震各向异性的两个主要参数。
A method is presented for measuring the shear-wave attenuation of solids by using propagation of ultrasonic wave in a wedge block.
介绍了利用劈形楔块作波型变换,达到用纵波探头测量材料横波衰减系数的方法。
Two methods are discussed in this paper for estimating shear-wave from full waveform acoustic logging records: wavelet-approach and semblance.
本文论述了利用声波全波列数字测井资料提取横波的两种方法:子波逼近法和相似相关法。
The result shows that the shear-wave velocity of saturated sand could be strongly related to the liquefaction resistance under a certain liquefaction criterion.
结果表明,在给定的应变破坏标准下,饱和砂土剪切波速与抗液化强度具有良好的相关性。
Theoretical deduction says that in a borehole penetrating elastic formations, pseudo Rayleigh wave does not take shear-wave velocity, but its group velocity may be very close to shear-wave velocity.
推演说明在弹性地层的井眼中,伪瑞利波不可能以横波速度传播,但其群速度与横波速度可以非常接近。
The correlation between cyclic liquefaction resistance of undisturbed and remolded saturated loose silts was studied using the cyclic triaxial apparatus with measurements of shear wave velocity.
采用剪切波速与振动三轴联合试验装置,研究了具有松散结构的原状和重塑饱和粉土抗液化强度之间的相关性。
The detecting means such as the shear wave, Reyrei wave and demixion can be used in the processing hunk debris soil groundwork by the dynamic consolidation.
在强夯处理大块碎石土地基采用剪切波、雷瑞波、分层沉降检测手段,探讨大块碎石土地基强夯加固深度的确定。
Shear wave velocity data measured by these two methods appeared to be good consistency and no obvious frequency dispersion was found from a few hertzs to tens of kilohertzs.
两种方法所测得的剪切波速数据具有很好的一致性,且在数赫兹至数十千赫兹频段范围内剪切波速不具明显弥散性。
Shear wave velocity is an important indicator which influence the ability that mediators propagate waves.
剪切波速是反映介质对波传播能力的一个重要指标。
The interrelated model of the shear wave velocity with the normal value of ultimate lateral resistance(qsik)and ultimate end bearing resistance(qpk)of the soil around the pile is established.
建立了桩周土的极限侧阻力标准值及极限端阻力标准值与剪切波速度的相关模型。
Soil shear wave velocity is an important parameter which influence the dynamic properties of soil, and it is widely used in engineering practices.
土层的剪切波速是反映土体动力特性的重要参数。
Using transient surface wave exploration, the shear wave velocity of soil around pile can be tested, and the bearing capacity of piles can be determined.
应用瞬态面波测试技术可以快速检测周土剪切波速,从而可实现单桩承载力的无损检测。
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 shear wave velocity method is discussed in detail and its results are compared with those obtained by other methods.
重点讨论了剪切波速法,并将该法和其它方法进行了比较。
According to the variational principle for wave propagation, the elastic wave equation and the compressional and shear wave equations in a vertically inhomogeneous medium are developed.
本文由波传播问题的变分原理导出了垂向不均匀介质中的弹性波波动方程及纵波和横波波动方程。
It is indicated that the longitudinal wave speed, shear wave speed, as well as the dynamic Young's modulus of the Mogao grottoes increase with the increasing depth of grottoes.
结果表明,洞窟岩壁的纵波波速、横波波速、动弹模随着洞深的增加而增加;
Under the condition of unloading, shear wave splitting phenomenon also can be measured on CM rocks.
在未加载的状态下,发现两组岩样都有明显的波速方位各向异性。
When mud cake is thick, formation permeability and shear wave slowness evaluated from the attenuation of the amplitude of Stoneley wave are wrong.
当泥饼层较厚时,用斯通利波幅度衰减估算的地层渗透率及提取的横波时差是错误的结果。
Principle of saturated sand cyclic liquefaction evaluation by shear wave velocity is presented.
首先介绍了应用剪切波速判别饱和砂土振动液化的原理;
The related theory has the meaning of directing the process of the down-hole method of shear wave testing.
有关理论对下孔法剪切波测试过程的简化具有一定的指导意义。
The results supported that the initial shear wave velocity of loose saturated soils was a key parameter controlling its cyclic liquefaction resistance.
这里的研究结果支持饱和松散试验土样的初始剪切波速可以作为控制其抗液化强度的一个关键参数。
Introduced are principle and method of applying Stoneley wave and the anisotropy of shear wave picked from the dipole shear wave image logging to evaluate the fracture effectivity of igneous rock.
介绍了利用从偶极声波成像测井资料中提取的斯通·利波和横波各向异性,对火成岩裂缝的有效性进行评价的原理和方法。
Therefore, the compressive strength difference of lime-soils can only be evaluated based on the shear wave velocity.
因此,只有依据剪切波速才能评价各种条件下石灰改良土强度特性的差异。
The Rayleigh wave speed is very close to the shear wave speed.
瑞利波波速与横波波速极为接近。
Fast shear wave is obviously different from slow shear wave in amplitude and frequency characteristics.
同时快横渡与慢横波在振幅和频率特征上也具有明显差异。
The importance of shear wave exploration in engineering seismology and engineering geophysics is pointed out.
指出了横波勘探在工程地震和工程物探工作中的重要性。
The prediction method includes five sequential steps of shear wave velocity estimation, fluid substitution, attribute optimization, attribute classification and reservoir prediction.
该方法操作步骤包括横波速度预测、流体替换、属性优选、属性分类和储层预测等。
Scattering of steady_state SH_waves and dynamic stress concentration are studied with circular holes in piezoelectric medium under incident antiplane shear wave loading.
利用复变函数和波函数展开法,对稳态SH波在含有圆形孔洞的无限弹性压电介质中的散射与动应力集中问题进行研究。
With the use of reciprocal principle in seismic wave propagation, the algorithm may be used to compute the travel times of reflected compressional wave or converted shear wave.
利用地震波传播的互换原理,将算法推广到用于计算反射纵波和反射转换横波的旅行时。
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