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Tests Conducted
Realized by LGAI (Laboratorio General
de Ensayos e
Investigaciones)
File number 99011028
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Drop test
The free-fall vertical impact test
was carried out using barrier section under ambient conditions (23°C/73°F 50% R.H.) and after having been
conditioned for 4 hours in a "CLIMATEST" climate-controlled chamber at a temperature of -10°C/14°F. The drop was
performed with the barrier section in a tilted position, i.e., impact first occurred on one of the two legs of
the railing, as seen in the photo.
The drop was repeated with the other leg, and finally against each one
of the two feet of each individual leg. A total of five drops for railing at ambient conditions and five drops
for the railing conditioned at -10°C/14°F were made. The drop height was one metre at all times.
Drop
test results: SATISFACTORY:
No breaks, cracks or deformation were observed in the railing or its
legs.
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Compression test Point
4.1.2 of ANSI A10.18
states that "the structure of the railing must withstand a load of at least 90.7kg/200 pounds applied in any
direction at any point of the top". The test was conducted with an "IBERTEST" press, EMIB60 model. A load of
500kp (much higher than the minimum required by the above standard) was applied vertically. The test duration was
4 hours.Compression test results:
SATISFACTORY: No breaks, cracks or deformation were
observed in the railing.
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Bending test
At the middle of the top part of
the railing, a compressive force of 61kp was applied at the side for one hour and the deformation experienced at
this point was measured at the same time. When the force was released at the end of the test, the deformation was
9mm/0.354inch, with a residual deformation of 4mm/0.157inch after one hour.
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Water absorption
The test was conducted as per UNE
53-028-90. Water absorption by a plastic material may lead to swelling and cause alterations in the dimensions
and/or physical properties of the material. Several samples of the railing were cut, then weighed before and
after being immersed in distilled water at 23°C/73°F for 24 hours. Several other samples were placed in boiling
water for 30 minutes. The weight difference represents the increased mass due to absorption.
Water
absorption results: SATISFACTORY: Samples at 23°C/73°F for 24 hours: 0.009% Samples at 100°C/212°F for 30
minutes: 0.022%Determination of latent stress and strain
The test was conducted as per UNE 53-248
and consisted of immersing the samples in a hot surfactant bath for a certain amount of time, then removing the
samples from the surfactant bath and inspecting them to see if any cracks, swelling or breaks have appeared at
any point or area of the sample. The time period was 24 hours and the temperature was 80°C/176°F.
Test
results: SATISFACTORY: No cracks, swelling, grooves or breaks were observed in the samples. Ageing
tests
An entire railing was immersed in a "CLIMATEST" climate-controlled chamber in order to conduct
ageing tests consisting of the following climate-controlled cycles: 4 hours at -10°C/14°F, followed by 8 hours at
60°C/140°F and 90% relative humidity. A total of 4 cycles were carried out, for a total of 48 hours. After the
railing was removed from the chamber and inspected damage due to deformation or cracks, the drop test was
repeated from a height of 1 metre against one of the legs.
Results: SATISFACTORY |
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