What is a Crash Rated Bollard?
Crash Rated Bollard; a post that is put in the middle or at the end of a road to keep vehicles off or out of a particular area which are mostly used to protect the places for suicide bomb attacks by vehicles.
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Crash
Rated Bollards are in High Security Bollards class.
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Crash
Rated Bollards may be a Hydraulic Bollards, Pneumatic Bollards, Automatic
Bollards, Semi-Automatic Bollards, Retractable Bollards, Collapsible Bollards, Removable
Bollards.
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Crash
Tested Fixed Bollards are used for vehicle entrances, army, industrial, governmental,
and commercial buildings, or streets that are closed to vehicle traffic
permanently.
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Some
companies achieved Crash Test Certificate from accredited laboratories like PAS:68,
DOS K-12, ASTM F 2656, IWA 14-1.
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Some
companies use a finite element method calculations software to check their crash
rated bollards durability for 7500kg truck with 80 kph speed.
For more information, Visit Optima Engineering
What is a
Crash Rated Bollard made of?
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Crash
Rated Road Bollards are made from heavy strong steel.
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Stainless
steel covered crash bollards are also very common because of elegant
appearance.
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If
a crash rated bollard is made of stainless steel, it has a core inside to
absorb crashing loads.
How does a Crash Rated Bollard seem?
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Crash
Rated Bollards seem like a steel post stands on the ground.
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They
are usually circle section like a steel pipe. Other sections like triangular
bollard, square bollard, pentagon bollard etc. are possible with casting
technology.
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Decorative
Bollards have an aesthetic appearance with its architectural shapes. Decorative
shape is not a effect of crash rate because of they have carbon steel inside
it.
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It
is possible to mount LED Lights or Flashing Lights or Reflective Stickers top
of the bollards to recognise the bollards at nights.
How is a
Crash Rated Road Bollard installation?
·
It
is installed in a reinforcement concrete pit. There are also such kind of bollards
like surface mounted bollards, shallow mount bollards etc.
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Bollards
can be installed alone but they are often installed in a group.
How does a Crash
Rated Bollard work?
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Hydraulic
operated crash tested bollards have a push button console which is placed to
operate it. It is enough to push UP button once to raise it or DOWN button to
lower it.
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Semi-Automatic
Bollards are going to underground with manpower like pushing it down. Raising
is with help of gas piston automatically.
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Removable
crash tested bollards allow you to take out it for passage. After passage you
can placed it then you can lock it. But they are very heavy that a man can not
take out it himself. He needs to use a forklift or a crane.
For more information, Visit Optima Engineering
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