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CYCLIC TRIAXLAB AUTOMATED SYSTEM

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STANDARDS: ASTM D7181 | ASTM D2850 | ASTM D3999 | ASTM D4767 | ASTM D5311 | BS 1377:7 | BS 1377:8 | AASHTO T307-9

MAIN FEATURES
Automatic execution of static and dynamic triaxial
tests including effective stress and standard stress path.
4 axis control and 16 channel control Data
Acquisition System.
Servo feedback controlled precision pressure
(Pressurematic) generation system.
Digital Servo-Pneumatic Control to provide accurate
loading wave shapes up to 70 Hz.
Real time charting.
Compact and versatile for improving productivity and
cost effectiveness.
Pre-programmed user friendly “Method files”
through the TestLab Software.
Possibility to upload user-defined wave-shapes (e.g.
earthquakes time series) through Replay Editor.
Fully configurable to suit a large range of testing
applications including maximum shear modulus
calculation through bender elements option.
Programmable Dashboard display showing real-time
system status and test result.

The Cyclic TriaxLab automated with its innovative features represents
the most ideal solution for modern laboratories that need to
investigate the effects of vibration and dynamic loading for soil and
unbound granular materials.
Typical applications include:
Civil engineering including seismic and blasting analysis
Environmental engineering
Construction and architectural design
Advanced research on soils

Based on the 4 axis control and 16 channel control and Data
Acquisition CDAS, Matest Cyclic TriaxLab has provision for:
Vertical load tension/compression up to 9 kN
Vertical displacement up to 50 mm
Cell pressure up to 2000 KPa
Back pressure up to 2000 KPa

The Cyclic TriaxLab automated system is subdivided into 3 major
groups similarly to the TriaxLab Automated System:
Fully digital controlled load frame and fit for purpose Triaxial
cell with accessories
Control system based on the CDAS
Data Acquisition System comprising:
– 1 submersible load cell for axial force
– 3 pressure transducers for cell pressure, back pressure and
pore pressure
– 2 Pressurematic for pressure/volume change

To suit the specific customer’s requirements the MATEST Cyclic
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.

CYCLIC TRIAXLAB AUTOMATED SYSTEM ORDERING INFO

HARDWARE – SOFTWARE
B220-04 KIT
DTS9 WITH MANUAL CROSSHEAD
The machine includes:
B220-14
20 kN load frame with manual crosshead
9 kN servo-pneumatic actuator with its LVDT,
50mm stroke, 70 Hz frequency.
Power supply: 90-264V 50-60Hz 1ph 240W
Dimensions: 1262(h)x400(d)x470(w)
Weight: 80 kg load frame
S303
16 Channel Control and Data Acquisition
System (CDAS) and TestLab software.
For technical specifications, see p. 564
B270-12
Air reservoir assembly with membrane dryer.
It requires pressurized air, minimum 7 bar
(not included).
S307
TRIAXIAL CELL MAX Ø 150X300 MM
Technical specifications:
Max specimen mm Ø 150×300
Max cell pressure 2200 kPa
Overall dimensions mm Ø 338×648
Weight 40 kg approx.
Accessories listed at p. 546
Note: Triaxial cell for cyclic tests
max. 100×200 mm available on request.

MEASURE OF AXIAL FORCE
S337-06
SUBMERSIBLE LOAD CELL 10 KN WITH
SIGNAL CONDITIONER
Rated output 2 mV/V nominal
Accuracy 0.1%
MEASURE OF PORE PRESSURE
SYSTEM AND VOLUME CHANGE
S349
PRESSUREMATIC PVC FOR AUTOMATIC
PRESSURE AND VOLUME CONTROL
Output pressure: 3500 kPa
Volume capacity: 250 cc
For Technical Specifications, see p. 565
S307 with accessories Bender elements KIT
Note: For different requirements load
cells capacity and transducers stroke or
submersible load cells, see p. 548

ACCESSORIES FOR TRIAXIAL CELL
S337-23 Loading ram for the submersible
load cell
S307-05 Transducers holder ring
S307-10 Vacuum generator
S307-19 Vacuum adaptor
S307-11 Alignment coupler assembly
S307-12 Spherical exclusion
S307-13 Base pedestal spacer

OPTIONAL ACCESSORIES
BENDER ELEMENTS KIT for the evaluation of
the stiffness of a soil starting from the measurement
of the maximum shear modulus
(Gmax). The Kit includes:
S307-08 Picoscope
S307-07 T-4001 waveforms transformer
S307-01 Universal puck for bender
elements top
S307-02 Universal puck for bender
elements bottom
S307-22 | 32 | 42 | 52
Base pedestal for bender element
Ø 38 | 50 | 70 | 100 mm
S307-23 | 33 | 43 | 53
Top platen for bender element
Ø 38 | 50 | 70 | 100 mm
S307-24 | 34 | 44 | 54
Pair of porous disc
Ø 38 | 50 | 70 | 100 mm

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
Output pressure: 3500 kPa
Volume capacity: 250 cc
For Technical Specifications, see 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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