Nominal length

The two extremities of the test element shall be extended to receive an end cap for which the fixing

elements shall not exceed 50 mm at each extremity.

The compressed reference test element shall be placed horizontally and fixed at one end. The other

end shall be subject to a load specified by the manufacturer but not exceeding the yield load specified

in Table 3. The uncompressed length shall be the length measured after 5 min with the load still applied.