Bridge post-tensioning application — External post-tensioning systems on bridges and viaducts.

Evolution of Post-Tensioning Technology

Post-tensioning technology represents one of the most critical applications in modern structural engineering. Applied through steel strands in reinforced concrete structures, this method introduces compressive force to structural elements, significantly increasing load-bearing capacity.

In recent years, advances in materials science and the widespread adoption of digital engineering tools have accelerated next-generation post-tensioning applications. Going beyond traditional methods, these approaches deliver higher performance, longer service life, and more economical solutions.

Systems Used in Modern Applications

External post-tensioning systems are commonly preferred in bridge and viaduct projects, while internal (bonded and unbonded) systems are widely used in building projects. Project-specific optimization studies determine the most suitable solutions.

Post-tensioning systems improve structural efficiency, enabling thinner slabs, longer spans, and more economical designs.

Quality Standards

EN 523 and EN 524 compliant duct production and quality control
ETA-certified anchorage systems
Digital stressing recording and monitoring systems

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