土层的剪切波速是反映土体动力特性的重要参数。
Soil shear wave velocity is an important parameter which influence the dynamic properties of soil, and it is widely used in engineering practices.
剪切波速是反映介质对波传播能力的一个重要指标。
Shear wave velocity is an important indicator which influence the ability that mediators propagate waves.
首先介绍了应用剪切波速判别饱和砂土振动液化的原理;
Principle of saturated sand cyclic liquefaction evaluation by shear wave velocity is presented.
重点讨论了剪切波速法,并将该法和其它方法进行了比较。
The shear wave velocity method is discussed in detail and its results are compared with those obtained by other methods.
土体剪切波速是土力学研究与岩土工程设计的关键参数之一。
The shear wave velocity in soils was the main parameter generally used in soil mechanics researches and geotechnical engineering practices.
孔隙水压力增长对土的剪切波速有影响,会引起土的刚度降低。
Pore pressure buildup was found to affect shear wave velocity in the soil and weaken soil stiffness.
对软梁-硬半空间系统,梁的剪切波速和压缩波速也是临界速度;
For soft beam-stiff half space system, wave speeds in beams are also critical velocities.
本文对深圳市部分岩土类型的剪切波速与埋深的关系进行了相关分析。
A correlative analysis is made between shear wave velocity and depth of some types of soil and rock in ShenZhen Region in this paper.
本文系统论述了单孔法剪切波速测量信号处理中的一种到时差识别方法。
An S-wave arrival time detection method for wave velocity measurement in single-hole method is presented in this paper.
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。
Therefore, the compressive strength difference of lime-soils can only be evaluated based on the shear wave velocity.
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。
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.
应用瞬态瑞雷波技术可快速检测桩周土的剪切波速,从而实现单桩承载力的检测。
Using the transient Rayleigh wave method can measure the shear velocity of site soil and estimate the bearing capacity of pile.
本文从砂土颗粒间的接触入手,在颗粒接触理论的基础上对砂土剪切波速进行研究。
In this dissertation, the contact of sand particles is taken to be the breakthrough point, and the shear wave velocity of sand is studied based on particle contact theory.
试验结果表明,可以对这些饱和土在土剪切波速与阻尼系数之间建立一致的相关关系。
The test results show that the consistent relation between soil shear wave velocity and damping coefficient can be established for these saturated soils.
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。
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.
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。
The result shows that the shear-wave velocity of saturated sand could be strongly related to the liquefaction resistance under a certain liquefaction criterion.
本文主要研究土层剪切波速、土动剪切模量和阻尼比以及它们和土的其它物理指标的关系。
This dissertation mainly studies the relations between shear wave velocity, dynamic shear modulus, damping ratio and other physical indicators of soils.
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。
The results supported that the initial shear wave velocity of loose saturated soils was a key parameter controlling its cyclic liquefaction resistance.
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 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.
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 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.
结果表明,现有的以剪切波速为指标的各液化判别方法的判别结果之间的差别很大,尚难把握采用哪个液化判别方法是适宜的。
The results show that the difference is very large, and it is difficult to determine which method is suitable for the liquefaction estimation.
文中进一步通过算例分析,探讨了P、SV波的入射角度、土层厚度以及基岩和土层间的剪切波速比等因素对土层随机地震反应的影响。
The effects of incident angle of wave and elastic rock on the seismic responses of layered soil sites are considered precisely and conveniently. The influences of angle of incidence of P-and SV-…
为了研究土的剪切波速与其三轴剪切试验力学指标之间的关系,依据扭剪振动原理,开发出一种测试三轴压力室内土样剪切波速的传感器。
Torsion shear wave transducer is a newly developed device to test the shear wave velocity of soil specimen which has not been reported before.
介绍了瞬态瑞利波法的基本原理和测试方法,并将该方法用来评价粉喷桩复合地基的加固效果,建立了剪切波波速和复合地基承载力之间的相关关系。
This paper presents the SASW method to evaluate the DJMP composite foundation, and the relationship between the velocity vs and bearing capacity of the DJMP composite foundation was established.
剪切力对临界波速的影响在不同雷诺数下也有所不同。
Therefore, the effect of interfacial shear on critical wave velocity is clearly different under different Reynolds number.
剪切力对临界波速的影响在不同雷诺数下也有所不同。
Therefore, the effect of interfacial shear on critical wave velocity is clearly different under different Reynolds number.
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