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Abutment , Strut, Mould method - Amit Mathur - 08-14-2014

The tensile force in the stressing steel is resisted by one of three methods:

Abutment method - an anchor block cast in the ground.

[Image: abutment.png]

Strut method - the bed is designed to act as a strut without deformation when tensioning forces are applied.

[Image: strut.png]

Mould method - tensioning forces are resisted by strong steel moulds.

[Image: longline.png]

It is usual in pretensioning factories to locate the abutments of the stressing bed a considerable distance apart so that a number of similar units can be stressed at the same time, end to end using the same tendon. This arrangement is called the "Long Line Process".