Influence of the heterogeneity of a dump soil on the assessment of its selected properties

Sebastian Olesiak

doi:10.2478/sgem-2020-0001

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Influence of the heterogeneity of a dump soil on the assessment of its selected properties

Studia Geotechnica et Mechanica

Volume 42 (2020): Issue 3 (September 2020)

By: Sebastian Olesiak

Open Access

|Sep 2020

Figures & Tables

View of the dump soil samples: (a) after extracting from Shelby tube (∅ ∅70 mm), (b) after extracting from PVC tube (∅ ∅100 mm) and (c) cross sections.

Histogram of the dump soil water content distribution.

Histograms of water content distribution of the dump soil in particular groups.

Histogram of the dump soil bulk density distribution.

Histograms of bulk density distribution of the dump soil in particular groups.

Changes in the average water content, bulk density and consistency of the dump soil for particular sections of the samples.

Correlation between bulk density and water content of dump soils.

Illustration of the results of strength tests of soil of soft consistency (A-1 and B-1) from one sample.

Illustration of the results of strength tests of soil of firm consistency (A-2 and B-2) from one sample.

Illustration of the results of strength tests of soil of stiff consistency (A-3 and B-3) from one sample.

Illustration of the results of strength tests of soil of very stiff consistency (A-4 and B-4) from one sample.

The disparity of results of cohesion and angle of internal friction for soil A-3.

Result of strength tests_

Dump soil group	Cohesion [kPa]			Angle of internal friction [°]			Number of samples/specimens

	c_u	Min	Max	ϕ_u	Min	Max
A-1	23.19	12.18	37.23	2.75	1.00	3.95	6/27
A-2	46.66	38.98	61.65	3.71	2.11	5.43	11/71
A-3	73.25	50.76	109.61	5.22	1.61	8.15	25/155
A-4	89.51	68.91	142.60	6.89	2.50	7.83	6/45
B-1	12.07	5.81	19.49	3.90	3.40	4.37	4/18
B-2	33.24	17.54	58.71	6.98	4.38	7.60	7/34
B-3	48.84	27.62	93.71	11.60	5.51	12.91	13/91
B-4	111.42	85.50	145.41	12.23	10.00	13.41	6/39

Results of bulk density tests of the dump soil in particular soil groups_

Dump soil group	Average [10⁻³ kg/m³]	Standard deviation [10⁻³ kg/m³]	Minimum [10⁻³ kg/m³]	Maximum [10⁻³ kg/m³]	Number of specimens
A-1	2.05	0.06	1.87	2.13	27
A-2	1.94	0.14	1.71	2.15	71
A-3	1.94	0.15	1.53	2.19	155
A-4	1.92	0.13	1.66	2.14	45
B-1	2.01	0.09	1.85	2.21	18
B-2	1.98	0.13	1.68	2.12	34
B-3	1.98	0.12	1.67	2.19	91
B-4	2.10	0.11	1.79	2.23	39

Results of water content tests of the dump soil in particular soil groups_

Dump soil group	Average [%]	Standard deviation [%]	Minimum [%]	Maximum [%]	Number of specimens
A-1	25.45	2.65	20.25	30.75	27
A-2	26.87	7.05	17.64	40.30	71
A-3	25.99	7.40	13.64	44.46	155
A-4	25.50	5.21	15.90	37.81	45
B-1	22.41	4.85	16.21	34.02	18
B-2	21.99	5.55	16.55	38.17	34
B-3	21.37	4.13	11.85	29.22	91
B-4	17.10	4.65	10.08	31.69	39

General information on the samples_

Borehole	Depth range [m]	Number of samples
GTO-9	61.0–99.0	14
GTO-1	10.0–38.5	11
GTO-2	40.0–72.0	10
GTO-5	56.4–93.0	16
GTO-3	21.0–62.3	13
HSdr-14D	23.0–46.6	8

References

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DOI: https://doi.org/10.2478/sgem-2020-0001 | Journal eISSN: 2083-831X | Journal ISSN: 0137-6365

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Language: English

Page range: 263 - 275

Submitted on: Nov 7, 2019

Accepted on: Jul 23, 2020

Published on: Sep 30, 2020

Published by: Wroclaw University of Science and Technology

In partnership with: Paradigm Publishing Services

Publication frequency: 4 issues per year

Keywords:

Related subjects:

Physics,

Mechanics and fluid dynamics

© 2020 Sebastian Olesiak, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Volume 42 (2020): Issue 3 (September 2020)

Influence of the heterogeneity of a dump soil on the assessment of its selected properties

Figures & Tables

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Result of strength tests_

Results of bulk density tests of the dump soil in particular soil groups_

Results of water content tests of the dump soil in particular soil groups_

General information on the samples_

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