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Frequency-dependent Dynamic Properties of Saturated Brahmaputra River Sand Based on Cyclic Triaxial Tests
This paper reports a comparative influence of the two different types of loading mechanisms on the frequency-dependent dynamic properties of the cohesionless Brahmaputra sandy soil. The shear modulus and damping ratio of the chosen soil are largely influenced by the loading frequencies of the two different testing types. Based on the strain-controlled and stress-controlled loading conditions, the loading frequency is found to influence the shear modulus and damping ratio with a contradicting response between the parameters. In case of strain-controlled tests, the damping ratio increases with a loading frequency of up to 1 Hz followed by a decrement for higher frequencies; while for stress-controlled testing, the shear modulus increases up to a loading frequency of 1 Hz followed by a decrement for higher frequencies. Further, it can be stated that, during strain-controlled loading, the frequency of loading is found to influence significantly the damping ratio only, whereas for stress-controlled loading, both the damping ratio and shear modulus are found to be affected significantly by the loading frequency.
Frequency-dependent Dynamic Properties of Saturated Brahmaputra River Sand Based on Cyclic Triaxial Tests
This paper reports a comparative influence of the two different types of loading mechanisms on the frequency-dependent dynamic properties of the cohesionless Brahmaputra sandy soil. The shear modulus and damping ratio of the chosen soil are largely influenced by the loading frequencies of the two different testing types. Based on the strain-controlled and stress-controlled loading conditions, the loading frequency is found to influence the shear modulus and damping ratio with a contradicting response between the parameters. In case of strain-controlled tests, the damping ratio increases with a loading frequency of up to 1 Hz followed by a decrement for higher frequencies; while for stress-controlled testing, the shear modulus increases up to a loading frequency of 1 Hz followed by a decrement for higher frequencies. Further, it can be stated that, during strain-controlled loading, the frequency of loading is found to influence significantly the damping ratio only, whereas for stress-controlled loading, both the damping ratio and shear modulus are found to be affected significantly by the loading frequency.
Frequency-dependent Dynamic Properties of Saturated Brahmaputra River Sand Based on Cyclic Triaxial Tests
Springer Tracts in Civil Engineering
Jakka, Ravi S. (editor) / Singh, Yogendra (editor) / Sitharam, T. G. (editor) / Maheshwari, Bal Krishna (editor) / Kumar, Shiv Shankar (author) / Dey, Arindam (author) / Krishna, A. Murali (author)
2023-04-22
18 pages
Article/Chapter (Book)
Electronic Resource
English
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