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Sunday, February 9, 2020 | History

4 edition of Measurement and use of shear wave velocity for evaluating dynamic soil properties found in the catalog.

Measurement and use of shear wave velocity for evaluating dynamic soil properties

proceedings of a session

by

  • 142 Want to read
  • 15 Currently reading

Published by ASCE in New York, N.Y .
Written in English

    Subjects:
  • Soil dynamics -- Testing -- Congresses.,
  • Shear waves -- Congresses.

  • Edition Notes

    Includes bibliographies and indexes.

    Statementsponsored by the Geotechnical Engineering Division of the American Society of Civil Engineers in conjunction with the ASCE Convention in Denver, Colorado, May 1, 1985 ; edited by Richard D. Woods.
    ContributionsWoods, Richard D., American Society of Civil Engineers. Geotechnical Engineering Division., ASCE National Convention (1985 : Denver, Colo.)
    Classifications
    LC ClassificationsTA710.5 .M4 1985
    The Physical Object
    Paginationv, 78 p. :
    Number of Pages78
    ID Numbers
    Open LibraryOL2557157M
    ISBN 100872624560
    LC Control Number85070486

    Google Scholar Hanna, A. Consequently, P-wave velocity in porous materials is affected by the properties of three difference phases in the media. Measured data is basically consistent with the numerical simulation, which indicates that the vibration parameters of hydraulic cylinder can be controlled effectively. This chapter introduces the reader to the dynamic loading of soils and the main characteristics that differentiate dynamic and static loading: loading frequency and loading cycles, and the strain dependent behaviour of soil.

    Liquefaction resistance based on shear wave velocity. Shear wave velocity and Gmax can be used to compare different soil specimens in a laboratory testing program, and also for comparing laboratory and field measurements of these parameters. Use of Rayleigh waves in liquefaction studies. Although the magnitudes of these dynamic loads are often much smaller than static loads, inertial forces may become important and must be considered in geotechnical design.

    XI: Matsushiro earthquake swarm area. Google Scholar Olsen, R. Muduli, P. In practice, has been estimated from compressive strength based on the design code rather than on direct measurement. A variety of measurement techniques for characterising the dynamic response of the soil are available and these are outlined, differentiating those routinely employed during low and high strain cyclic loading, both in field measurements and laboratory testing. Cetin K O.


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Measurement and use of shear wave velocity for evaluating dynamic soil properties book

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Open File ReportU. Shear wave velocity can also be determined in unconfined soil specimens held together by matrix suction. Google Scholar Dobry, R. Furthermore, mathematical model was established by the method of characteristics and computer code was developed to calculate numerical solution.

Introduction In the design of structures, the elastic modulus of concrete is a fundamental parameter in estimating the deformation of a structural element under service conditions.

Simplified procedure for evaluating soil liquefaction potential. Supplementary material Database xlsx It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

Liquefaction resistance based on shear wave velocity. Creation of a data base of seismic shear wave velocities for correlation analysis. Google Scholar Koza, J. Google Scholar Andrus, R. A shear wave is generated at one boundary of a soil specimen and then received at an opposite boundary.

The P-wave velocity method is convenient to use and has clear advantages over the resonance method in that the testing is not confined to regularly shaped laboratory specimens and results are not sensitive to inelastic effect [ 8 ].

Idriss, eds. Zhu et al. Dynamic modulus has been assumed to be initial tangent modulus at zero stress determined in the standard test because only negligible stress is applied during ultrasonic pulse velocity UPV measurements and resonance frequency tests [ 7 ].

III, — Insofar as the exprapolated laboratory test results, the calculated results using Hardin's and Black's formula, and the in situ results were in close agreement, the authors concluded that the shear wave velocity of Boston Blue Clay was approximately feet per second, which corresponded to a shear modulus of 17, psi.

In contrast, resonance frequency testing has been used widely to evaluate the dynamic elastic modulus of concrete, which is less sensitive than P-wave velocity.Case Study: Shear Wave Velocity Measurements Before and After Dynamic Compaction of Cohesionless Soil Deposits ENG Phil C.

Sides, US. Bureau of Reclamation SUmARY Crosshole shear wave velocity measurements were used to evaluate the effectiveness of dynamic compaction of foundation soils at the Jackson Lake damsite, Wyoming.

Nov 11,  · Shear wave propagation in soil is a physical phenomenon and has been used widely for monitoring and seismic property assessment in geotechnical engineering.

Shear wave velocity V s and small-strain shear modulus G 0 are the key parameters in. Correlations between shear wave velocity and blow count, geologic setting, and site stratigraphy are therefore potentially useful at least as a screening tool for identifying a subset of bridges where geophysical measurements would be the most beneficial.

Literature Review. What is shear wave velocity in the following soils? soil strength and soil mechanics articles.

There is a book published by the Society of Exploration Geophysicists in on Near-Surface. Jul 07,  · At very low strains (10–6 to 10–4) soil behaviour could be described as elastic, with recoverable deformations. Dynamic soil properties can be ascertained using field or laboratory techniques through either determining the velocity of wave propagation through the soil, or by direct measurement of the stress–strain response of the soil.

How to Measure Shear-Wave Velocity (Vs) Vs can be measured through several different approaches: surface-wave survey, refraction survey, down-hole survey, cross-hole survey, and laboratory measurement (see illustrations below).