Reliability of GDS-RCA Resonant Column on Routine Experimentation

Xiao Fei Li; Rui Sun

doi:10.4028/www.scientific.net/AMM.477-478.439

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 477-478Reliability of GDS-RCA Resonant Column on Routine...

Reliability of GDS-RCA Resonant Column on Routine Experimentation

Abstract:

The shear modulus and damping ratio of soil are important factors for soil layer seismic response analysis, people have done a lot of research. Currently, the method to measure soil shear modulus and damping ratio have bending element test method, resonant column test, dynamic triaxial test and so on. This article describes the British GDS company developed a new resonant column GDS-RCA's main features, technical indicators and working principle, compared the IEM original GZ-1 resonant column test results with GDS-RCA resonant column test results, the compared results are as follows: both damping ratio results in somewhat different, but in 10^-6-10^-4 low strain shear modulus ratio between the range of test results are consistent, GDS-RCA resonant column testing machine can by low-frequency torsional mode, expand the soil strain measurement extended to 10^-6-10^-2, and the small strain to large strain test results are in good connection.

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Periodical:

Applied Mechanics and Materials (Volumes 477-478)

Pages:

439-442

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.477-478.439

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Online since:

December 2013

Authors:

Xiao Fei Li*, Rui Sun

Keywords:

Damping Ratio, GDS, GZ-1, Resonant-Column Test, Shear Modulus

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* - Corresponding Author

References

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