Geosynthetics December 2019/January 2020 - 97

DRAINAGE MATERIALS

PRODUCT DATA
FOR MORE INFORMATION
Geosynthetics magazine has provided
information on the drainage materials
specification charts for comparative purposes
only. Designers should contact manufacturers
for additional details and to discuss sitespecific considerations.
Information on the use and specification of
drainage materials is also available from the
Geosynthetic Materials Association (GMA).
GMA
1801 County Road B West
Roseville, MN 55113-4061 USA
+1 651 225 6981
fax +1 651 631 9334
jmkivijarvi@ifai.com
www.GMAnow.com

PUBLISHER'S NOTE
Geosynthetics magazine compiled all
information included in the Geosynthetics 2020
Specifier's Guide from information submitted by
firms in the geosynthetics industry. Companies
provided specifications voluntarily, and
specification accuracy is the responsibility
of the manufacturer. The appearance of a
listing in this directory is not an endorsement
of the company or product by Geosynthetics
magazine or the Industrial Fabrics Association
International (IFAI). The Geosynthetics 2020
Specifier's Guide is intended as a guide, and
Geosynthetics magazine and IFAI encourage
readers to contact the companies listed for
further information.

Manufacturers design drainage materials such as geonets,
sheet drains, pavement edge drains and prefabricated vertical
drains to offer strong, performance-enhancing alternatives to
traditional drainage systems.

C

ompanies engineer geocomposite drainage systems to minimize
costly conventional graded-aggregate and/or perforated-pipe subsurface drainage systems. Geonets, sheet drains, pavement edge
drains and prefabricated vertical drains (PVD) have reached acceptance as
state-of-the-practice because they provide sufficient in-place drainage and
offer reduced material cost, installation time and design complexity over
traditional systems.
The selection and design criteria for this category of products are generally simple. However, because of the numerous applications for subsurface
drainage systems and varying performance parameters, designers must pay
careful attention to the product-performance parameters applicable to a
particular subsurface drainage application.
New drainage products are being developed rapidly. Though other
products are available, the following charts are separated into four general
use categories.

The numbers
Companies that submitted product data chart lines were asked to provide
data determined through industry-accepted testing methods. Companies
signed a certificate of compliance verifying the accuracy of this data.

www.GeosyntheticsMagazine.com

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Geosynthetics December 2019/January 2020

Table of Contents for the Digital Edition of Geosynthetics December 2019/January 2020

Geosynthetics December 2019/January 2020 - Cover1
Geosynthetics December 2019/January 2020 - Cover2
Geosynthetics December 2019/January 2020 - 1
Geosynthetics December 2019/January 2020 - 2
Geosynthetics December 2019/January 2020 - 3
Geosynthetics December 2019/January 2020 - 4
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Geosynthetics December 2019/January 2020 - Tab 1 front
Geosynthetics December 2019/January 2020 - Tab 1 back
Geosynthetics December 2019/January 2020 - 9
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Geosynthetics December 2019/January 2020 - Tab 2 front
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Geosynthetics December 2019/January 2020 - Tab 3 front
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Geosynthetics December 2019/January 2020 - Tab 4 front
Geosynthetics December 2019/January 2020 - Tab 4 back
Geosynthetics December 2019/January 2020 - 61
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Geosynthetics December 2019/January 2020 - Tab 5 front
Geosynthetics December 2019/January 2020 - Tab 5 back
Geosynthetics December 2019/January 2020 - 81
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Geosynthetics December 2019/January 2020 - Tab 6 front
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Geosynthetics December 2019/January 2020 - 93
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Geosynthetics December 2019/January 2020 - Tab 7 front
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Geosynthetics December 2019/January 2020 - 97
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Geosynthetics December 2019/January 2020 - Tab 8 front
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Geosynthetics December 2019/January 2020 - 105
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Geosynthetics December 2019/January 2020 - Tab 9 front
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Geosynthetics December 2019/January 2020 - Cover3
Geosynthetics December 2019/January 2020 - Cover4
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