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S301-01 TRIAXLAB AUTOMATED SYSTEM

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STANDARDS: BS 1377:7, BS 1377:8 | ASTM D2850, D4767, D7181 | NF P94-070, P94-074 | CEN-ISO-TS 17892

MAIN FEATURES
Automatic execution of 5 independent triaxial
tests from start to finish.
Type of tests: total and effective stress, standard
stress path, optional K0 and optional permeability.
Servo feedback controlled precision pressure
(Pressurematic) generation system.
Real time graphing and configurable real time
transducers.
Pre-programmed user-friendly “Method files”
through the TestLab Software.
Compact and versatile for improving productivity and
cost effectiveness.
No need of air source.

Matest TRIAXLAB is an outstanding system specifically designed for
advanced soil testing.
This system can be used from educational to construction engineering
laboratories to reduce to the absolute minimum any form of manual
intervention.
Based on the unparalleled performance of CDAS and flexibility of
TestLab Software, the new MATEST TriaxLab Automated System is
the optimized system to perform automatically total and effective
triaxial tests such as:
CD Consolidated Drained test
CU Consolidated Undrained test
UU Unconsolidated Undrained test
Standard stress path
Optional K0 tests
Optional Permeability tests

The TRIAXLAB automated system basically consists of 3 major
groups:
Load frame and triaxial cell with accessories
Control system based on the CDAS Control and Data Acquisition
System and TestLab Software controlled by PC
Data Acquisition System comprising:
– 1 load cell for axial force
– 1 displacement transducer for axial displacement
– 2 pressure transducers for cell pressure and back pressure
– 1 pressure transducer for pore pressure
– 2 Pressurematic for pressure / volume change
Triaxlab – Advanced Technology for effective Triaxial Tests
To suit the specific customer’s requirements the MATEST TriaxLab
Automated System basic configuration can be modified by adding
or removing the hardware elements which are controlled and
monitored under a closed-loop integrated system with the CDAS
and TestLab Software.
Pre-programmed “Method files” offer the operator the unique
opportunity to run a range of tests without the need for specific
computer programming. The possibility to customize the Method
files is also given to the operator granting ultimate flexibility and
versatility.

MAIN FEATURES
POWERFUL
Equipped with Pavetest’s leading edge Control
and Data Acquisition System (CDAS) and TestLab
Software.
VERSATILE
Designed for routine tests, central laboratories and
for research purposes.
GREAT EFFICIENCY
By working in complete automatic mode, it reduces
to absolute minimum the manual intervention.
EASY TO USE
The system works via the pre-programmed Method
Files.
FLEXIBLE
Multiple triaxial tests with no need for compressed
air supply.

TRIAXLAB AUTOMATED SYSTEM

ORDERING INFO:
HARDWARE – SOFTWARE
S301-01
DIGITAL TRIAXIAL LOAD FRAME 50 KN

Technical Specifications:
Maximum load capacity: 50 kN
Infinitesimal testing speed:
from 0.00001 to 12 mm/min
Minimum vertical clearance: 400 mm
Maximum vertical clearance: 1100 mm
Horizontal clearance: 380 mm
Platen diameter: 177 mm
Power Supply: 230V 1ph 50/60Hz 600W
S303
CDAS AND TESTLAB SOFTWARE
Technical Specifications:
Acquisition 16 Channels 20 bit resolution
Sampling rate up to 192 kHz
(all channels)
Smoothing up to 64 times over-sampling
Calibration Automatically on power up
Control Axis 4
Communication USB or Ethernet
Power supply:
90-264 V 50/60 Hz 1 ph 240 W
Dimensions: 100(h) x 310(d) x 250(w) mm
S305
TRIAXIAL CELL MAX. Ø 70X140 MM
Technical Specifications:
Max. specimen size: mm Ø 70×140
Max. cell pressure: 1700 kPa
Overall dimensions: mm Ø 280×480
Weight: 8 kg approx.
S306
TRIAXIAL CELL MAX. Ø 100X200 MM
Technical Specifications:
Max. specimen size: mm Ø 100×200
Max. cell pressure: 1700 kPa
Overall dimensions: mm Ø 310×540
Weight: 16 kg approx.
S307
TRIAXIAL CELL MAX. Ø 150X300 MM
Technical Specifications:
Max. specimen size: mm Ø 150×300
Max. cell pressure: 2200 kPa
Overall dimensions: mm Ø 338×648
Weight: 40 kg approx.
See p. 569

MEASURE OF AXIAL FORCE
S337-43
LOAD CELL 25 KN WITH SIGNAL
CONDITIONER
Rated output: 2 mV/V nominal
Accuracy: 0.1%
S337-41
LOAD CELL 50 KN WITH SIGNAL
CONDITIONER
Rated output: 2 mV/V nominal
Accuracy: 0.1%
MEASURE OF AXIAL STRAIN
S336-23
TRANSDUCER TYPE “A” TRAVEL 25 MM
WITH SIGNAL CONDITIONER
Independent linearity: <0.3% (0.3 x 10 mm)
Max. displacement speed: up to 10 m/S

Note: For different requirements load
cells capacity and transducers stroke or
submersible load cells, see page 548

ACCESSORIES
S305-05
Mounting device of the universal coupling
pliers mod. S335-15 to fix the displacement
transducer/dial gauge to the Triaxial Cell.
S335-15
Universal coupling pliers to hold the
transducer/dial gauge. It fits all Matest
displacement transducers and dial gauges
(from dia. 8mm to 20mm).
S337-51
Calibration process of one force, strain and
pressure device that is combined with the
CDAS control and data acquisition system.

DEAIRED WATER SYSTEM
S355
DE-AIRING TANK 20 LITRES CAPACITY
It produces de-aired water when connected
to the vacuum pump. It is a perspex tank with
an inlet water valve and an outlet air valve.
Tank capacity: 20 litres.
Dimensions: 320x320x520 mm
Weight: 15 kg approx.

ACCESSORIES
V205
VACUUM PUMP
To produce vacuum
up to of 0,1 mbar
(see p. 597)
V205-10 – V205-12
VACUUM REGULATOR
It is supplied with vacuum gauge, control
valve, suction filter and moisture trap.
V230-03
Rubber tube. Suitable for vacuum, 3 m

MEASURE OF PORE PRESSURE
SYSTEM AND VOLUME CHANGE
S349
PRESSUREMATIC PVC FOR AUTOMATIC
PRESSURE AND VOLUME CONTROL
Technical Specifications:
Output pressure: 3500 kPa
Volume capacity: 250 cc. Details at p. 565

NEEDED ACCESSORIES
S336-53 Pressure transducer 2000 kPa
with signal conditioner.
S336-55 De-airing block for pressure
transducer
S349-10 Solenoid valve
OPTIONAL ACCESSORIES
S342-03 3 ways water distribution panel

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