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Projektowanie konstrukcji sprężonych wg Eurokodu 2. Cz.4.

Derkowski Wit, Surma Mateusz

Builder

2014

R.18, nr 5

62--65

It is established fact that the initial prestressing force applied to concrete member continuously decreases with a time. The proper determining of level of prestressing force at each loading stage - from the moment of transter of the force to the concrete, to the different stages at service load, up to the ultimate - is very important. The reduction of prestressing force may be divided into two groups: immediate loses and lime-dependent loses. The rules for the adoption of the initial force and description of the immediate losses of the prestressing force are given in the paper.