KGN

Introduction to Bonded
Post-Tensioning

Bonded post-tensioning strengthens concrete by placing
steel tendons inside ducts, which are tensioned after the
concrete cures and then grouted to bond them
permanently. This enhances durability, load-bearing
capacity, and crack resistance, making it ideal for
bridges, buildings, and parking structures. Unlike
unbonded systems, it offers better structural integrity and
corrosion protection.

Key Characteristics of Bonded
Post-Tensioning:

High Strength & Crack Resistance:

Enhances structural durability by compressing concrete, reducing cracks.

Better Stress Distribution:

The applied force is distributed across the entire bonded length, reducing stress concentration points.

Superior Corrosion Protection:

Grouted tendons prevent moisture infiltration, extending the structure’s lifespan.

Design & Engineering of
Bonded Post-Tensioning

The bonded post-tensioning process involves a series of carefully executed steps to ensure maximum
structural strength and durability. This method enhances the performance of concrete by integrating
high-strength steel tendons, which are tensioned and permanently bonded to the concrete. The
process improves load distribution, minimizes cracks, and provides long-term protection against
environmental factors.

Installation of Tendons and Duct Placement in Reinforced Concrete Structures

Concrete Pouring and Curing Process for Optimal Structural Strength

Stressing of Tendons Using Hydraulic Jacks for Load Distribution

Grouting for Bonding and Corrosion Protection in Post-Tensioned Systems

Enhancing Structural Strength and Longevity for Durable Infrastructure

Design & Engineering of
Bonded Post-Tensioning

Installation of Tendons and Duct Placement in Reinforced Concrete Structures

Concrete Pouring and Curing Process for Optimal Structural Strength

Stressing of Tendons Using Hydraulic Jacks for Load Distribution

Grouting for Bonding and Corrosion Protection in Post-Tensioned Systems

Enhancing Structural Strength and Longevity for Durable Infrastructure

Advantages of Bonded
Post-Tensioning

Bonded post-tensioning offers superior structural
performance, durability, and cost efficiency compared to
traditional reinforcement methods. Its ability to distribute
loads effectively, control cracks, and enhance long-term
stability makes it the preferred choice for demanding
construction projects.

Applications of Bonded
Post-Tensioning

Bridges & Flyovers

Tunnels & Underground
Structures

High-Rise Buildings &
Commercial Structures

Water-Retaining
Structures