Prestress Concrete Advantage - Printable Version

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Prestress Concrete Advantage - Amit Mathur - 08-14-2014

Prestress Concrete Advantage

Prestressing minimises the effect of cracks in concrete elements by holding the concrete in compression.
Prestressing allows reduced beam depths to be achieved for equivalent design strengths.
Prestressed concrete is resilient and will recover from the effects of a greater degree of overload than any other structural material.
If the member is subject to overload, cracks, which may develop, will close up on removal of the overload.
Prestressing enables both entire structural elements and structures to be formed from a number of precast units, e.g. Segmented and Modular Construction.
Lighter elements permit the use of longer spanning members with a high strength to weight characteristic.
The ability to control deflections in prestressed beams and slabs permits longer spans to be achieved.
Prestressing permits a more efficient usage of steel and enables the economic use of high tensile steels and high strength concrete.
More efficient members (i.e., smaller members to carry same loads)
Much less cracking since member is almost entirely in compression
Precast members have very good quality control
Precast members offer rapid field erection

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