Geosynthetics June/July 2021 - 28

Design of reinforcement geosynthetics in landfill piggyback expansion
Final cross section and layouts
The final cross section for the vertical
expansion of the cell is presented in
Figure 6.
Landfill gas management
To ensure the collection of landfill gas
from the existing waste and to avoid the
development of hardpoints under the
embankment, the following improvements
have been proposed:
* Old wells are modified to ensure a
safe distance from the soil-reinforced
layer. This distance is equivalent to
the estimated maximum settlement
under the future cell.
* Old wells are not connected to the
horizontal collector pipes; the gas
FIGURE 6 Final cross section of the new cell
Test
Natural water content
Dry unit weight
Symbol
Wn
ρd
Dmax
< 50 mm
Particle size distribution
< 2 mm
Methylene blue
Sand equivalent
Organic content by loss on ignition
GTR class
Proctor test
T/m3
1.75
40.3
Immediate bearing capacity factor
IPI
46.2
34.3
7.1
2.2
Fragmentability
Consolidated drained triaxial
φ'
TABLE 2 Bottom ash material characterization
28
Geosynthetics | June July 2021
°
37
FR
c'
kPa
1.9
42
IBC > 20 (average and for 3 values over 5)
< 80 μm
MBV
SE
LOI
ρdOPN
%
%
%
-
%
%
39.7
4.7
0.04
67.8
7
F61
14
Similar to D2
Unit
%
T/m3
mm
%
Value
12.1
1.28
23
100
PSD 0/20 mm
Comment
0.8 Wopn < W < 1.1 Wopn
High fragmentability

Geosynthetics June/July 2021

Table of Contents for the Digital Edition of Geosynthetics June/July 2021

Geosynthetics June/July 2021 - Cover1
Geosynthetics June/July 2021 - Cover2
Geosynthetics June/July 2021 - 1
Geosynthetics June/July 2021 - 2
Geosynthetics June/July 2021 - 3
Geosynthetics June/July 2021 - 4
Geosynthetics June/July 2021 - 5
Geosynthetics June/July 2021 - 6
Geosynthetics June/July 2021 - 7
Geosynthetics June/July 2021 - 8
Geosynthetics June/July 2021 - 9
Geosynthetics June/July 2021 - 10
Geosynthetics June/July 2021 - 11
Geosynthetics June/July 2021 - 12
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Geosynthetics June/July 2021 - 14
Geosynthetics June/July 2021 - 15
Geosynthetics June/July 2021 - 16
Geosynthetics June/July 2021 - 17
Geosynthetics June/July 2021 - 18
Geosynthetics June/July 2021 - 19
Geosynthetics June/July 2021 - 20
Geosynthetics June/July 2021 - 21
Geosynthetics June/July 2021 - 22
Geosynthetics June/July 2021 - 23
Geosynthetics June/July 2021 - 24
Geosynthetics June/July 2021 - 25
Geosynthetics June/July 2021 - 26
Geosynthetics June/July 2021 - 27
Geosynthetics June/July 2021 - 28
Geosynthetics June/July 2021 - 29
Geosynthetics June/July 2021 - 30
Geosynthetics June/July 2021 - 31
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Geosynthetics June/July 2021 - 34
Geosynthetics June/July 2021 - 35
Geosynthetics June/July 2021 - 36
Geosynthetics June/July 2021 - 37
Geosynthetics June/July 2021 - 38
Geosynthetics June/July 2021 - 39
Geosynthetics June/July 2021 - 40
Geosynthetics June/July 2021 - 41
Geosynthetics June/July 2021 - 42
Geosynthetics June/July 2021 - 43
Geosynthetics June/July 2021 - 44
Geosynthetics June/July 2021 - Cover3
Geosynthetics June/July 2021 - Cover4
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https://www.nxtbook.com/ifai/geosynthetics/geosynthetics-june-july-2021
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