Kumar, Arvind and Basha, B Munwar
(2017)
Assessment of Geosynthetic interface friction for liners and covers of Landfill.
Masters thesis, Indian Institute of Technology Hyderabad.
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Abstract
Municipal solid waste mate
rial (MSW) is one of the major
contributor
to the waste
generated every year. According to World Bank group, globally MSW of 1.3 billion
tonnes is produced every year and is expected reach a whopping 2.2 billion tonnes by
2025. In this study, an attempt ha
s been made to determine the suitable interface of
geosynthetic liner and cover in designing the
landfill
for interface shear strength
perspective. Engineering properties like shear strength parameters, interface shear
strength
parameters
for different geo
s
ynthetic interfaces,
other properties
like
moisture content and p
article size distribution
were determined.
Assistive
tests
like
pluviation
test for sandy soil compaction, tensile test for Geomembrane were
conducted. The
interface frictional properties
w
ere determined at three load levels of
30 kPa, 60 kPa, and 90 kPa.
Interface
parameters
are reported for two types of
shear box filling
including
soil
and
wooden planks. Three different types of geosynthetics including Geomembrane,
Geotextile
and Geogrid w
ere used.
The interface friction results are presented for those interfaces that may exist within
a landfill cover or in liner system. The
large
scale direct shear tests are carried out in
all
these experimental
series. In this study, comparison of inter
face friction properties
with different interfaces is discussed
.
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