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

Sebastian Olesiak

Open Access

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

Sebastian Olesiak

| Sep 30, 2020

Studia Geotechnica et Mechanica

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

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Published Online: Sep 30, 2020

Page range: 263 - 275

Received: Nov 07, 2019

Accepted: Jul 23, 2020

DOI: https://doi.org/10.2478/sgem-2020-0001

Keywords
dump soil, soil properties, shear strength, laboratory tests, heterogeneity

© 2020 Sebastian Olesiak, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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

eISSN:: 2083-831X
Language:: English

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Journal Subjects:: Geosciences, other, Materials Sciences, Composites, Porous Materials, Physics, Mechanics and Fluid Dynamics

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

Article Category: Original Study

Published Online: Sep 30, 2020

Page range: 263 - 275

Received: Nov 07, 2019

Accepted: Jul 23, 2020

DOI: https://doi.org/10.2478/sgem-2020-0001

Keywords
dump soil, soil properties, shear strength, laboratory tests, heterogeneity

© 2020 Sebastian Olesiak, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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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.

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

Article Category: Original Study

Published Online: Sep 30, 2020

Page range: 263 - 275

Received: Nov 07, 2019

Accepted: Jul 23, 2020

DOI: https://doi.org/10.2478/sgem-2020-0001

Keywordsdump soil, soil properties, shear strength, laboratory tests, heterogeneity

© 2020 Sebastian Olesiak, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Figure 10

Figure 11

Figure 12

Figure 13

Figure 14

Figure 15

Figure 16

Figure 17

Figure 18

Figure 19

Figure 20

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.

Keywords
dump soil, soil properties, shear strength, laboratory tests, heterogeneity