UHPC Hydraulic transport pipeline for brine in a salt mine

More than 14 years ago, a high-pressure-safe
(loadable up to max. 100 bar / 1450 psi) brine
hydraulic transport pipeline with UHPC wear
protection was installed as a test for other lines.

The pipe installation took place underground. In
addition to the extreme pressure, the line
should be highly wear-resistant and highly
corrosion-resistant.

After all these years, we had the opportunity
to check this line together with the customer
on site.

A pipe element was also removed from the
line and cut open to inspect the UHPC lining.
Neither the customer nor we expected such an
extremely good result after all these years of
operation.

The UHPC lining has only lost a few
millimeters from its 30 mm lining.
Thanks to the seamless, waterproof UHPC
lining, no expensive corrosion protection was
necessary during wear protection assembly.
Which made assembly much faster and less
expensive than the linings previously used.



















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