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GDSTAS |
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What is it? |
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The GDS Triaxial Automated System (GDSTAS) is
a load frame-based triaxial testing system which may be configured
exactly to the customers specification and budget. Using the GDS
range of load frames, triaxial cells, pressure systems and the
GDSLAB software, the basic system can be configured for low cost
multi-station commercial testing right through to high range rock
testing at research level. Using GDSLAB with optional software
modules, GDSTAS can run advanced tests such as stress paths, slow
cyclic and K0, all
under PC control.
This system can be configured using any GDS devices,
from a 10kN to 1000kN load frame and from a 500kPa to 150MPa
pressure controller. |
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Download full
specification datasheet as
pdf
[808kb] |
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| What are its
uses |
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The operator chooses the type of test from a test menu (eg UU, C-U,
multi-stage, stress path etc) and then enters the test parameters
(of cell pressure, back pressure, testing rate and so on) and test
termination conditions.
The test then proceeds automatically with all test data being saved
to a file. On-line graphics are presented with up to three graphs
displayed together with a block of current live test data. Tests can
proceed overnight and during weekends and holidays. To enable
spot-verification, all electronic measurements may be duplicated by
mechanical gauges.
The computer directly controls the cell pressure, back pressure and
testing rate. In addition to logging these parameters to the PC hard
drive, the computer also logs axial displacement, axial load, pore
pressure and volume change. Of course, additional transducers may be
easily configured and logged during the test. |
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| GDS
Instruments is an ISO 9001:2000 credited company. |
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