Applying an initial compressive stress to a concrete structural member, either by pretensioning or posttensioning.

Compressing a concrete member with tensioned cables or bars running through it to make it lighter for its strength and to counteract handling stresses.

Strengths of rocks in foundation and elements within concrete dams are increased by installation of steel rocks or steel cables which are injected to tensioning. The procedure that is followed is called prestressing.

An incorrect reference to PRESTRETCHING.