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Evaluation of the relative density based on flat dilatometer test

Mariusz Lech

Mariusz Lech

Institute of Civil Engineering, Warsaw University of Life Sciences – SGGWWarsaw, Poland
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Lech, Mariusz
, 
Marek Bajda

Marek Bajda

Institute of Civil Engineering, Warsaw University of Life Sciences – SGGWWarsaw, Poland
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Bajda, Marek
, 
Katarzyna Markowska-Lech

Katarzyna Markowska-Lech

Institute of Civil Engineering, Warsaw University of Life Sciences – SGGWWarsaw, Poland
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Markowska-Lech, Katarzyna
 and 
Simon Rabarijoely

Simon Rabarijoely

Institute of Civil Engineering, Warsaw University of Life Sciences – SGGWWarsaw, Poland
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Rabarijoely, Simon
  
Aug 21, 2024
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Article Category: Original Study
Published Online: Aug 21, 2024
Page range: 259 - 268
Received: Mar 12, 2024
Accepted: Jun 04, 2024
DOI: https://doi.org/10.2478/sgem-2024-0017
Keywords
© 2024 Mariusz Lech et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1:

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

Figure 2:

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).
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).

Figure 3:

Geoelectrical cross section across the railway fill.
Geoelectrical cross section across the railway fill.

Figure 4:

Soil classification chart by DMT.
Soil classification chart by DMT.

Figure 5:

Relative density of sands based on DPL tests.
Relative density of sands based on DPL tests.

Figure 6:

DMT results.
DMT results.

Figure 7:

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

Figure 8:

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

Dr p0 p1 ID KD ED qD ’v0
Dr 0.392 0.379 0.053 0.740 0.499 0.526 0.11
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
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
0.000 0.000 0.000 0.168 0.000 0.000 0.000
ID 0.053 0.139 0.412 0.12 0.394 0.178 0.343
0.491 0.069 0.000 0.127 0.000 0.000 0.000
KD 0.740 0.156 0.106 0.12 0.264 0.328 0.40
0.000 0.042 0.168 0.127 0.001 0.000 0.000
ED 0.499 0.816 0,888 0.394 0.264 0.771 0.569
0.000 0.000 0,000 0.000 0.001 0.000 0.000
qD 0.526 0.322 0,547 0.178 0.328 0.771 0.355
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
0.140 0.000 0.000 0.000 0.000 0.000 0.000
Language:
English
Publication timeframe:
4 times per year
Journal Subjects:
Geosciences, Geosciences, other, Materials Sciences, Composites, Porous Materials, Physics, Mechanics and Fluid Dynamics
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