Evaluation of the relative density based on flat dilatometer test Cover

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Evaluation of the relative density based on flat dilatometer test

Studia Geotechnica et Mechanica

Volume 46 (2024): Issue 4 (December 2024)

By: Mariusz Lech, Marek Bajda, Katarzyna Markowska-Lech and Simon Rabarijoely

Open Access

|Aug 2024

Figures & Tables

The DMT unit control during the test (a) and geophysical investigation (b).

An overall view of the embankment (a), a view after removing the breakstone layer (b), and an excavation at the base of the embankment (c).

Geoelectrical cross section across the railway fill.

Soil classification chart by DMT.

Relative density of sands based on DPL tests.

DMT results.

Plot of Dr = f(KD, ED) relationship (a) and predicted versus obtained data on the investigated area.

Relative density (Dr) estimated based on the proposed formula (Eq. 10) versus values determined from DPL tests and calculated from literature-based relationships.

Correlation coefficient matrix for various soil parameters_

	D_r	p₀	p₁	I_D	K_D	E_D	q_D	’_v0
D_r		0.392	0.379	0.053	0.740	0.499	0.526	0.11
D_r		0.000	0.000	0.491	0.000	0.000	0.000	0.140
p₀	0.392		0.951	0.139	0.156	0.816	0.322	0.535
p₀	0.000		0.000	0.069	0.042	0.000	0.000	0.000
p₁	0.379	0.951		0.412	0.106	0.888	0.547	0.593
p₁	0.000	0.000		0.000	0.168	0.000	0.000	0.000
I_D	0.053	0.139	0.412		0.12	0.394	0.178	0.343
I_D	0.491	0.069	0.000		0.127	0.000	0.000	0.000
K_D	0.740	0.156	0.106	0.12		0.264	0.328	0.40
K_D	0.000	0.042	0.168	0.127		0.001	0.000	0.000
E_D	0.499	0.816	0,888	0.394	0.264		0.771	0.569
E_D	0.000	0.000	0,000	0.000	0.001		0.000	0.000
q_D	0.526	0.322	0,547	0.178	0.328	0.771		0.355
q_D	0.000	0.000	0,000	0.000	0.000	0.000		0.000
’_v0	0.11	0.535	0.593	0.343	0.40	0.569	0.355
’_v0	0.140	0.000	0.000	0.000	0.000	0.000	0.000

DOI: https://doi.org/10.2478/sgem-2024-0017 | Journal eISSN: 2083-831X | Journal ISSN: 0137-6365

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Language: English

Page range: 259 - 268

Submitted on: Mar 12, 2024

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Accepted on: Jun 4, 2024

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Published on: Aug 21, 2024

Published by: Wroclaw University of Science and Technology

In partnership with: Paradigm Publishing Services

Publication frequency: 4 issues per year

Keywords:

relative density,

noncohesive soils,

flat dilatometer

Related subjects:

Geosciences, other,

Materials sciences,

Porous materials,

Mechanics and fluid dynamics

© 2024 Mariusz Lech, Marek Bajda, Katarzyna Markowska-Lech, Simon Rabarijoely, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution 4.0 License.

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