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Comparison of Small-Strain Shear Modulus of Beach and Volcanic Sands
https://orcid.org/http://orcid.org/0000-0002-3526-4757
https://orcid.org/http://orcid.org/0000-0001-7328-2932
https://orcid.org/http://orcid.org/0000-0002-8816-0708
https://orcid.org/http://orcid.org/0000-0002-0063-8309
The small-strain shear modulus (Gmax) of soils is an essential dynamic parameter for any seismic design. This paper aims to investigate the Gmax of two reconstituted sands—beach and volcanic sands of variable shape and grain size distribution. A series of bender elements tests were carried out on dry samples at different frequencies and confining pressures. The interpretation of results is carried out through first-time arrival method. The results indicate lower Gmax values of volcanic sand in comparison with beach sand, which can be attributed to lower particle density and higher void ratios for volcanic sand. Using the available relationships in the literature, the Gmax values were estimated, and a brief comparison was made between measured and estimated values.
Comparison of Small-Strain Shear Modulus of Beach and Volcanic Sands
https://orcid.org/http://orcid.org/0000-0002-3526-4757
https://orcid.org/http://orcid.org/0000-0001-7328-2932
https://orcid.org/http://orcid.org/0000-0002-8816-0708
https://orcid.org/http://orcid.org/0000-0002-0063-8309
The small-strain shear modulus (Gmax) of soils is an essential dynamic parameter for any seismic design. This paper aims to investigate the Gmax of two reconstituted sands—beach and volcanic sands of variable shape and grain size distribution. A series of bender elements tests were carried out on dry samples at different frequencies and confining pressures. The interpretation of results is carried out through first-time arrival method. The results indicate lower Gmax values of volcanic sand in comparison with beach sand, which can be attributed to lower particle density and higher void ratios for volcanic sand. Using the available relationships in the literature, the Gmax values were estimated, and a brief comparison was made between measured and estimated values.
Comparison of Small-Strain Shear Modulus of Beach and Volcanic Sands
https://orcid.org/http://orcid.org/0000-0002-3526-4757
https://orcid.org/http://orcid.org/0000-0001-7328-2932
https://orcid.org/http://orcid.org/0000-0002-8816-0708
https://orcid.org/http://orcid.org/0000-0002-0063-8309
The small-strain shear modulus (Gmax) of soils is an essential dynamic parameter for any seismic design. This paper aims to investigate the Gmax of two reconstituted sands—beach and volcanic sands of variable shape and grain size distribution. A series of bender elements tests were carried out on dry samples at different frequencies and confining pressures. The interpretation of results is carried out through first-time arrival method. The results indicate lower Gmax values of volcanic sand in comparison with beach sand, which can be attributed to lower particle density and higher void ratios for volcanic sand. Using the available relationships in the literature, the Gmax values were estimated, and a brief comparison was made between measured and estimated values.
Comparison of Small-Strain Shear Modulus of Beach and Volcanic Sands
Lecture Notes in Civil Engineering
Sitharam, T. G. (editor) / Kolathayar, Sreevalsa (editor) / Jakka, Ravi (editor) / Sood, Shaurya (author) / Chiaro, Gabriele (author) / Wilson, Thomas (author) / Stringer, Mark (author)
2022-01-04
11 pages
Article/Chapter (Book)
Electronic Resource
English
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