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19
Shear Test
The weld points of reinforcing mats
and lattices are tested for shearing.
This involves removing specimens
from welded mats and lattices and
placing them in special close-fitting
specimen grips. Specimen grips
used for this type of test must be
accurately matched to the diameter
and position of the ribbed wires in
order not to influence the shearing
loads. Zwick has many decades of
experience in this area and has
developed a comprehensive range of
accessories.
Automation of Reinforcement
Steel Testing
Reinforcing steel is produced in large
amounts and must be continually
tested for production control. Zwick
has developed automated systems
in which specimens, cut to length
from rod material or separated from
mats and lattices, are loaded
manually into magazines, after which
they are tested completely automatically.
Artificial ageing at 100 °C
can also be integrated into this type
of testing system. Cross-sections
are measured in accordance with
Fig. 1: Welded seam test T-joint
Fig. 2: Shear test on lattice rod
Fig. 3: Detail of testing device
Fig. 4: Robotic testing system for testing reinforcing steel
Fig. 5: Automatic length measurement Fig. 6: Automatic rib measurement
standards and with high accuracy
and specimens can be optionally
sorted according to test result for
later visual inspection.
• Customized total solutions
• Integration of all relevant tests
• High availability
• Useful options for forwarding fault
reports
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