...consequently, for the improvement of the reliability of structural elements. 5 References 1. Riessauw, FG and Taerwe, L. (1980) Tests on two 30-year-old prestressed concrete beams PCI Journal, November/December, Vol. 25, No 6, pp. 70-72. 2. Taerwe, L., Lambotte, H. and Miesseler, HJ (1992) Loading...