Geosynthetics June/July 2019 - 17
The internal stability of geosyntheticreinforced soil structures is mainly
governed by the geosynthetic behavior
and its interaction with the reinforced
fill material. Soil-geosynthetic interaction is influenced by the engineering
properties of reinforced fill material.
Although, theoretically, reinforced fill
can be composed of a wide range of soil
types, granular soils are recommended
by the American Association of State
Highway and Transportation Officials
(AASHTO) as select fill material for MSE
walls because of their high strength, stiffness and permeability. In the case of RSS,
reinforced fill with up to 50% passing a
No. 200 (0.75 mm) sieve is recommended
by the Federal Highway Administration
(FHWA). Where select granular soils are
not readily available, the use of cohesive
materials may be desirable to improve the
cost-effectiveness of the system, but cohesive soil presents a more complex material
behavior, and its use is not an industry
standard practice.
The impact of geosynthetic characteristics on the long-term performance
of MSE walls and RSS should be carefully considered during the design process. In designing geogrid-reinforced soil
structures, the design engineer should
carefully consider geogrid mechanical,
creep, installation damage and durability
properties, as the long-term strength is
directly derived from these properties.
Among several mechanical properties,
the geogrid ultimate tensile strength is
the most relevant property for the design
The internal stability
of geosyntheticreinforced soil
structures is mainly
governed by the
geosynthetic behavior
and its interaction
with the reinforced
fill material.
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Geosynthetics June/July 2019
Table of Contents for the Digital Edition of Geosynthetics June/July 2019
Geosynthetics June/July 2019 - Cover1
Geosynthetics June/July 2019 - Cover2
Geosynthetics June/July 2019 - 1
Geosynthetics June/July 2019 - 2
Geosynthetics June/July 2019 - 3
Geosynthetics June/July 2019 - 4
Geosynthetics June/July 2019 - 5
Geosynthetics June/July 2019 - 6
Geosynthetics June/July 2019 - 7
Geosynthetics June/July 2019 - 8
Geosynthetics June/July 2019 - 9
Geosynthetics June/July 2019 - 10
Geosynthetics June/July 2019 - 11
Geosynthetics June/July 2019 - 12
Geosynthetics June/July 2019 - 13
Geosynthetics June/July 2019 - 14
Geosynthetics June/July 2019 - 15
Geosynthetics June/July 2019 - 16
Geosynthetics June/July 2019 - 17
Geosynthetics June/July 2019 - 18
Geosynthetics June/July 2019 - 19
Geosynthetics June/July 2019 - 20
Geosynthetics June/July 2019 - 21
Geosynthetics June/July 2019 - 22
Geosynthetics June/July 2019 - 23
Geosynthetics June/July 2019 - 24
Geosynthetics June/July 2019 - 25
Geosynthetics June/July 2019 - 26
Geosynthetics June/July 2019 - 27
Geosynthetics June/July 2019 - 28
Geosynthetics June/July 2019 - 29
Geosynthetics June/July 2019 - 30
Geosynthetics June/July 2019 - 31
Geosynthetics June/July 2019 - 32
Geosynthetics June/July 2019 - 33
Geosynthetics June/July 2019 - 34
Geosynthetics June/July 2019 - 35
Geosynthetics June/July 2019 - 36
Geosynthetics June/July 2019 - 37
Geosynthetics June/July 2019 - 38
Geosynthetics June/July 2019 - 39
Geosynthetics June/July 2019 - 40
Geosynthetics June/July 2019 - 41
Geosynthetics June/July 2019 - 42
Geosynthetics June/July 2019 - 43
Geosynthetics June/July 2019 - 44
Geosynthetics June/July 2019 - 45
Geosynthetics June/July 2019 - 46
Geosynthetics June/July 2019 - 47
Geosynthetics June/July 2019 - 48
Geosynthetics June/July 2019 - 49
Geosynthetics June/July 2019 - 50
Geosynthetics June/July 2019 - 51
Geosynthetics June/July 2019 - 52
Geosynthetics June/July 2019 - 53
Geosynthetics June/July 2019 - 54
Geosynthetics June/July 2019 - 55
Geosynthetics June/July 2019 - 56
Geosynthetics June/July 2019 - Cover3
Geosynthetics June/July 2019 - Cover4
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