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HLA has extensive
experience in designing and conducting the physical testing of
structures. HLA has performed many full-scale static and dynamic tests
on various structures. We are experts in the application of
measurement equipment including strain gages, load cells, signal
amplifiers, etc. With aid of finite element analysis software, HLA can
optimize the test design; provide correlation analysis for the test
data and FEA simulation.
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HLA designed a reaction
frame structure to test ISO tank containers per Rules for
Certification of Cargo Containers. Some of the required tests
included, 9 high stacking, lifting, transverse racking,
longitudinal racking, etc.
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HLA has performed many
physical tests on intermodal shipping containers to verify the
buckling capacity of corner posts. HLA redesigned the test frame
to allow compressive tests in excess of 250,000 pounds;
instrumented corner posts with strain gages to indicate the onset
of buckling; designed and wrote the test plan; supervised testing
and collection of data; reduced data and provided a final report.
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HLA has performed a proof
test to establish the maximum allowable working pressure (MAWP)
for an obround nozzle in a cylindrical vessel per ASME Section
VIII, Division 1, UG-101. The strain measurement test procedure
per UG-101(n) was used for this test.
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HLA has also reviewed and
rewrote a test plan and redesigned equipment set-up for the
physical test evaluation of a DOT 312 cargo tank, rail-type
rollover guard . HLA supervised the test and provided on-site
guidance, as well as an independent report of the test events and
results.
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HLA has designed a load cell
and pc-based data acquisition system to study the cause of the
side panel buckling of a foldable airport boarding tunnel. The
real time wheel loads over the side panels were sampled and
analyzed when the tunnel was under various operating conditions.
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