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UNIVERSAL TESTING MACHINE
SERVO HYDRAULIC
A
new
generation
of
Universal
Testing
Machine
combining
state
of
the
art
technology
with
proven
reliability
and
precision
for
research
and
standard testing
The
Servo-Hydraulic
Universal
Testing
Machine
(CRT-UTM-HYD)
was
specifically
developed
for
the
testing
of
materials
used
in
pavement
construction.
A
motorized,
adjustable
cross
head
reduces
the
time
between
test
set-ups.
Accurate
waveforms
are
digitally
generated
and
applied
by
the
actuator
producing
repeatable
conditions
that
are
simulative
of
those
created
by
moving
or
static
vehicles.
The
actuator
is
double-acting
allowing
both
compressive
and
tensile
forces
to
be
applied.
Various
systems
are
available for the measurement of the modulus of unbound materials.
•
Designed to perform a range of tests on asphaltic paving materials, sub-grade soils and granular sub-base materials
•
Double acting fatigue rated hydraulic actuator with integral stroke transducer
•
Star servo valve with ‘Sapphire Technology’
•
Motorised adjustable lower cross head with automatic hydraulic frame clamping
•
Integral programmable temperature controlled cabinet
•
Issued with UKAS accredited certificate of calibration for EN 12697-24; EN 12697-25, EN 12697-26
•
Accessories available to perform a range of standard and non standard test methods
KEY USES
•
Assessment of resistance to permanent deformation (rutting)
•
Measurement of stiffness modulus
•
Assessment of resistance to fatigue cracking
•
Resilient modulus of unbound materials
•
Mix design
CONTROL SYSTEM AND SOFTWARE
This
machine
can
be
controlled
using
our
Standard
Acquisition
and
Control
System
along
with
Universal
Software™.
Universal
Software™
is
user
friendly,
intuitive
and
reliable
Windows®
software
developed
using
LabVIEW™.
Universal
test
software
for
the
development
of
test
methods
using
static,
sinusoidal,
haversine,
square,
triangular
with
user
selected
frequencies
and
data
collection
rates.
Stored
test
data
can
be
imported
into a spreadsheet package to be analysed by the user. Utilities are included for transducer check, diagnostic routines and calibration.
Alternatively,
our
next
generation
digital
data
acquisition
and
control
unit
cDAC™
Advanced
Data
Acquisition
System
brought
together
in
alliance
with our flagship software DIMENSION™ gives you the power to perform the most demanding of tests with your materials testing equipment.
cDAC™, our next generation class leading digital controller is unparalleled in its field and suitable for advanced testing required for research.
EN 12697-24 Annex E
EN12697-25 Method A and B
EN 12697-26 Annex C and E
AASHTO TP31
AASHTO TP62
AASHTO TP 105
AASHTO TP124
ASTM D4123
ASTM D7369
ASTM D7313
ASTM D8044
AASHTO T307
AASHTO T322
AASHTO T342
Maximum Load (kN)
25kN
Load Transducer (kN)
Variable dependant on capacity
Actuator Stroke (mm)
50mm
Frequency (Hz)
0 to 70 Hz
Compressed Air (bar)
7 bar @ 100 L/min For accessories only
PC
Included
Electrical Supply
*
3 Phase 415 Volts 50 Hz @ 16A
* Other electrical supplies available on request
Calibration,
Annual
Service
and
Maintenance
Contracts
are
available
for
this
device.
UKAS
accreditation
to
satisfy
typed
testing as described in EN 13108.
Please enquire for further details.
Note
This device should be checked and calibrated annually.
CALIBRATION & MAINTENANCE
Accessories are not included in the price of main device (unless stated otherwise) and may be purchased separately if required.
Indirect tensile stiffness modulus and fatigue measurement
system to perform EN 12697-26 (Annex C) EN 12697-24 (Annex E)
Ø100&150mm specimens.
Indirect tensile stiffness modulus measurement system to
perform EN 12697-26 (Annex C) Ø100&150mm specimens.
Indirect tensile fatigue measurement system to perform EN
12697-24 (Annex E) for Ø100mm specimens. To be used with CRT-
ITSM-SET.
Indirect tensile fatigue measurement system to perform EN
12697-24 (Annex E) for Ø100mm and 150mm specimens. To be
used with CRT-ITSM-SET.
Add-on for CRT-FAT-SET for 150mmØ specimens. To be used with
CRT-ITSM-SET and CRT-FAT-SET.
Dynamic and static creep measurement system to perform
EN12697-25 (Method A)
Dynamic and static creep measurement system – confining stress
to perform test according to EN 12697-25 Method B.
Resilient modulus test system to perform AASHTO TP31 and
ASTM D4123
Resilient modulus test system to perform ASTM D7369
Direct Compression & Tension Measurement System to perform
test according to EN 12697-26 Annex E for CRT-UTM-HYD
Triaxial system to perform AASHTO T307 for Ø200x100mm
specimens of unbound materials
Triaxial system to perform AASHTO T307 for Ø200x100mm and
Ø150x300mm specimens of unbound materials. To use with CRT-
UTM-NU pillar extensions are required.
Additional parts to upgrade from T307 to T307+
Test system to perform dynamic modulus according to AASHTO
TP62, SPT flow number (NCHRP 9-19), SPT flow time (NCHRP 9-19)
Indirect Tensile Creep measurement system according to AASHTO
T322
PUMA – Precision Unbound Materials Analyser for 150mmØ
specimens
Weight (Kg)
UTM & Cabinet 680Kg
Power Pack 60Kg
Dimension (mm) (W x D x H)
UTM & Cabinet:
1000 x 1300 x 2400mm
Power Pack:
630 x 580 x 890mm
Working space required (mm) (W x D x H)
1100 x 2300 x 2600mm