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Geotextile Testing Instruments
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Mi.GE-1007D
Universal Testing System for Geotextiles with Digital Load Indicator:-
The Universal Testing Machine is designed to carry
out various tests on Geotextiles viz. Narrow & wide Tensile Strength,
Trapezoidal Tearing Strength, CBR Push through, Puncture Strength etc. The
machine gives a choice of seven constant rates of travel of the lead screw
ranging from a maximum of 320mm/min to a minimum of 5mm/min. The capacity of
the machine is 100kN (10000kgf).It is provided with two no of load cell 100
KN and 10 KN
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Universal Testing System for Geotextile with
Microprocessor Control
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MI.GE-1007S
Universal Testing System for Geotextile with Microprocessor control:-
The unit is Digital Microprocessor control and speed
regulating by servo controlled motor and the speed can be from 5 mm to 500
mm. This frame also be use with CBR test on soil, Marshall stability test on
Bitumen and many more tests where speed required is with in the limit and
maximum load is below 100 KN,
Note: - Additional software is also available viewing the test on excel
format.
The following attachments are available for Geotextile testing:
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Wide-Width Tensile Strength
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MI.GE-1007.1
Wide-Width Tensile Strength (Wide width strip Method):-
Two clamping systems 8 cm wide and 22.5 cm wide are
mechanical wedge type and facilitate conducting Narrow Strip and Wide Width
Tensile Strength tests as per many international specifications. These grips
allow simple and rapid sample loading. Roller type grips required in high
strength geotextile testing can be supplied as optional extra.
Meets: - ASTM D 4595-86, ISO 10319:2008, IS-13162 Part -5
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Grab Tensile Strength Test
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MI.GE-1007.2
Grab Tensile Strength Test (Breaking load and elongation of geotextile):-
This test measures the ability of the geotextile to
distribute concentrated loads. Specially devised clamps (25 mm wide) with a
gauge length of 100 mm are placed across 200 mm square samples or 200 mm
x100 mm samples. The sample is then subjected to tension at a specified rate
until failure occurs. It is widely used by manufacturers as a quality
control tool and as such is the most commonly reported tensile strength
value. It can also be used for relative comparisons between geotextiles of
the same type.
Meets: - ASTM D-4632,
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Trapezoidal Tear Resistance Test
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MI.GE-1007.3
Trapezoidal Tear Resistance Test:-
Geotextiles can be cut or punctured during field
installation, which can create a possible condition by which strength is
controlled by a tearing resistance. An outline of an isosceles trapezoid is
marked on a rectangular specimen (150 mm x 75 mm) cut for the determination
of tearing strength, (with a 6 to 9 mm cut) and the nonparallel sides of the
trapezoid marked on the specimen are clamped in parallel jaws of the Tensile
Testing System.
Meets: - ASTM D 4533, IS-14293
MI.GE-1007.4
CBR Push Through Test:-
Fabric is clamped to give an inner diameter of 15 cm
and a 50 mm CBR plunger is pushed centrally through a fabric at a specified
rate. The load at failure is the push through load and when divided by the
cross-sectional area of the plunger, gives CBR push through resistance.
Meets: - ASTM D- 6241, BS-6906 part 4, ISO-12236:2006
MI.GE-1007.5
Puncture Test:-
The geotextile specimen is clamped to obtain an
inside dia of 44.45 mm and force is applied through an 8 mm dia plunger till
failure. The puncture strength so obtained is felt to reflect the fabric's
ability to withstand aggregate penetration.
Meets: - ASTM D-4833
