Method and arrangement for tensioning a staggered anchorage

Details Method and arrangement for tensioning a staggered anchorage Method and arrangement for tensioning a staggered anchorage

E - Fixed Constructions

04

G

E04G 21/12 (2006.01) E04C 5/08 (2006.01) E04C 5/12 (2006.01)

Patent

CA 2539056

A method and apparatus for tensioning a staggered anchorage comprised of a plurality of tension members, which are anchored in a bore hole at various depths, thus having different free steel lengths. For each staggered anchorage, each tension member is tensioned up to a predetermined maximal load and is then subsequently adjusted to the working load. To achieve a consistent elongation reserve of the individual tension member and thus to increase the security of a staggered anchorage, the staggered anchorage is adjusted to the working load, all tension members are adjusted to a reduced elongation (.DELTA.lw) by a uniform elongation difference (.DELTA.lmax - .DELTA.lW) relative to the respective elongation (.DELTA.lmax) of the predetermined maximal load. An arrangement for performing the method has a single tensioning plane, which is force interconnected with defined locking elements that are arranged on tension members in clamping planes.

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