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Indianapolis Motor Speedway Installs Second-Generation SAFER Barriers
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CarGuru > Formula-1 > Indianapolis Motor Speedway Installs Second-Generation SAFER Barriers 17 March 2005 18:50:28
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Indianapolis Motor Speedway Installs Second-Generation SAFER Barriers

Fred M 17 March 2005 16:06:42
 "The Speedway also permanently lengthened the SAFER Barrier by 200 feet from the
entrance of Turn 1 - also Turn 13 of the road course "

This section of the barrier will be known as the Rubino stretch!



Indianapolis Motor Speedway Installs Second-Generation SAFER Barriers
Written by: IndyCar Communications
Indianapolis, Ind. - 3/15/2005 The new "Version 2" SAFER Barrier being mounted
to the outside retaining wall at IMS. (Shawn Payne/IMS photo)

Installation of the second generation of the revolutionary energy-absorbing
SAFER Barrier is nearing completion at the Indianapolis Motor Speedway.

Speedway crews have replaced the original Steel and Foam Energy Reduction
(SAFER) Barrier on the outside retaining wall of the Speedway oval's four turns
with a "Version 2" of the barrier. The total length of the SAFER Barrier on the
outside retaining wall is 5,056 feet.

The Version 2 SAFER Barrier features these four major improvements:

?The barrier sections, which were straight in Version 1, are slightly rolled, or
curved, to provide a smoother impact surface;

?A universal Styrofoam shape was created that is compatible with
IndyCar Series cars and stock cars;

?Improved attachment points anchor the barrier to the existing concrete
retaining walls;

?An increase of five steel tubes welded together form the barrier's
exterior instead of four used in the Version 1 barrier.

The Speedway also permanently lengthened the SAFER Barrier by 200 feet from the
entrance of Turn 1 - also Turn 13 of the road course - northward into the main
straightaway to add protection for drivers competing in the United States Grand
Prix Formula One race.

Inside retaining walls exiting Turns 2 and 4 each received 616 feet of the
Version 1 SAFER Barrier that was removed from the outside walls.

With the additional 1,232 feet on the inside walls, the total amount of concrete
retaining wall at the Indianapolis Motor Speedway covered by the SAFER Barrier
is 6,288 feet, or 1.19 miles.

Kevin Forbes, the Speedway's director of engineering and construction, said the
original SAFER Barrier performed very well since its installation in May 2002,
and Version 2 is the next step in its evolution. Data collected from accidents
at Indianapolis in 2002 involving both IndyCar Series cars and NASCAR NEXTEL Cup
stock cars allowed project engineers to find areas for improvement.

"Version 2 is a result of understanding exactly how Version 1 performed in the
real world, being attached to the walls at the Indianapolis Motor Speedway
versus the test facility in Nebraska," Forbes said.

"There are things in the real world that occur when a car impacts a wall that we
can't replicate in a laboratory. The lab gave us a model that we knew was going
to be a vast improvement over bare concrete walls."

The most visible improvement is the addition of a fifth tube to the exterior of
the barrier, adding strength to the area where the gearbox of a backward-sliding
Indy car strikes the barrier.

"(Added) strength means the entire assembly will move like it did before, but it
won't gouge or gash the (steel tubing) like it did," Forbes said. "The primary
goal there is to reduce repair time so the track can go green much more quickly
after an accident."

Drivers sometimes encounter a secondary impact along the inside retaining wall,
after making the harder initial contact with the SAFER Barrier lining the
outside wall. So the Version 1 SAFER Barrier removed from the outside walls was
installed along the inside wall to provide even more protection for drivers.

The SAFER Barrier first was installed on the four outside retaining walls of the
Speedway's historic 2.5-mile oval in May 2002 after nearly four years of
development by the Indianapolis Motor Speedway, Indy Racing League and
University of Nebraska-Lincoln's Midwest Roadside Safety Facility. NASCAR joined
in the development of the project in September 2000.

Since SAFER's debut in time for the 2002 Indianapolis 500, nearly every major
oval racing facility in the United States has installed the system.


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Scottscottscott 17 March 2005 18:50:28 [ permanent link ]
 Good on IMS.

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CarGuru > Formula-1 > Indianapolis Motor Speedway Installs Second-Generation SAFER Barriers 17 March 2005 18:50:28
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