GeoSystems Consultants, Inc. - geosynthetics
GeoSystems Consultants, Inc.
Engineering, Earth Sciences and
Geotechnical Laboratory Testing

514 Pennsylvania Avenue
Fort Washington, PA 19034
(215) 654-9600    f: (215) 643-9440
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GeoSystems
GEOSYNTHETICS TESTING

Tests performed by the GeoSystems geosynthetics laboratory include both standard and specialized procedures for determination of physical and engineering properties of geosynthetics. All laboratory staff receive test performance training based on American Standards for Testing Materials (ASTM), Geosynthetic Accreditation Institute (GAI), and GeoSystems' own in-house quality assurance standards. GeoSystems is an accredited through the Geosynthetic Accreditation Institute-Laboratory Accreditation Program (GAI-LAP).

GeoSystems uses automated data collection systems on selected geosynthetic tests. This serves to reduce human error and improve the overall quality of the test results in the laboratory.

GeoSystems is an active member of the Geosynthetic Accreditation Institute (GAI). Geosynthetics are increasingly being used, especially in landfills, and new materials are continually entering the marketplace. GAI membership provides GeoSystems with unique capabilities in the use of geosynthetics.

For your convenience, MasterCard and Visa payments can be accepted by phone.

GeoSystems' laboratory provides index properties and performance properties testing on geotextiles, geomembranes, geosynthetic clay liners, and geonets:

Geotextiles:
ASTM D 5199   Thickness
ASTM D 5261   Mass per Unit Area
ASTM D 4751   Apparent Opening
                             Size

ASTM D 4491   Permitivity
ASTM D 4632   Grab Strength
ASTM D 4533   Trapezoidal Tear
                             Strength

ASTM D 4595   Wide Width Tensile
                             Strength

ASTM D 4833   Puncture Strength
ASTM D 4884   Sewn Seam Strength

gstest.jpg (5654 bytes)

Universal Testing Device

Geomembranes:
ASTM D 5199   Thickness
ASTM D 792     Density
ASTM D 638     Tensile Properties
ASTM D 882     "
ASTM D 751     "
ASTM D 4595   Wide Width Tensile
                             Strength

ASTM D 1004   Tear Resistance
ASTM D 4833   Puncture Resistance
ASTM D 5321   Direct Shear
ASTM D 413     Seam Peel/Shear
ASTM D 751     "
ASTM D 3083   "
ASTM D 4437   "
ASTM D 6392   "
Geosynthetic Clay Liners:

GRI GCL1           Permeability
ASTM D 4643   Bentonite Moisture

                            Content
USP-NF-XVII    Bentonite Swell Index
ASTM D 5261   Mass per Unit Area

Geogrids:

ASTM D 4595   Wide Width Tensile
GRI GG1             Rib Tensile
GRI GG2             Junction Tensile

dshear.jpg (7757 bytes)

Direct Shear

Geonets:

ASTM D 5199   Thickness
ASTM D 792     Density
ASTM D 5261   Mass per Unit Area
ASTM D 1621   Compressive Strength
ASTM D 4716   Transmissivity

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