Perspectives of High-Strength Prestressing Steel in Modern Concrete Engineering

Abstract:

The application of high-strength prestressing steel represents a major step forward in the field of concrete structure design and construction. Prestressing steel with a tensile strength exceeding 1860 MPa enables more effective prestressing of structural elements, which in turn results in a substantial reduction in the required amount of reinforcement. At the same time, it allows for the design of more slender, lighter, and structurally optimized members. Due to these characteristics, this type of reinforcement finds wide application particularly in bridge engineering, prefabricated systems, high-rise buildings, and long-span structures. The paper focuses on analysing the principal advantages of employing high-strength prestressing reinforcement with regard to both structural behaviour and construction economy. From the structural design perspective, the main benefits include an increase in load-bearing capacity and a reduction of deformations, even when using smaller cross-sectional dimensions. From the economic viewpoint, advantages are primarily linked to reduced material consumption, lower self-weight of prefabricated elements, and significant cost savings in transport and erection. The concluding part of the paper addresses the anticipated direction of further development in high-strength materials, with particular emphasis on the possibilities of design optimization through nonlinear computational methods. High-strength prestressing reinforcement thus constitutes a promising means of improving the efficiency and sustainability of modern concrete structure design. The study provides a comprehensive summary of the main benefits of this technology, points out practical and design-related limitations, and indicates future development trends consistent with the objectives of sustainable and cost-effective construction.

• Periodical: Advances in Science and Technology (Volume 176)
• Pages: 89-98
• DOI: https://doi.org/10.4028/p-ZcPPd1
• Online since: May 2026
• Authors: Zuzana Haššová*, Viktor Borzovič
• Keywords: Ductility, High-Strength Prestressing Steel, Nonlinear Analysis

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