According to an article from The Chief Engineer, the roof of
the Athens Olympic Stadium will become the trademark of the 2004
The roof's design of a double bowstring tied arch has a total
span of 1,00 feet and a maximum height of 262 feet. The structure
is constructed of metal and glass and uses a coating designed
to reflect 60 percent of the sun, a feature considered particularly
important during the Greek summer. The two arches support the
cables that hold the polycarbonate roof panels.
Because the arches were constructed and erected off-site while
the existing stadium was refurbished, contractors were faced with
the problem of moving and positioning the two roof halves, each
weighing 8,500 tons. Enerpac Integrated Solutions Specialist found
a solution with long stroke-pulling cylinders powered by PLC-controlled
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