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KTB・PCaPC External Frame Seismic Reinforcement Method

Excellent seismic performance! Redesigned / Seismic reinforcement using rapid construction PC jointing method.

The "KTB・PCaPC External Frame Seismic Reinforcement" is a seismic reinforcement method that enhances the seismic performance of existing buildings using the PC joint construction method, allowing for continued use even after a major earthquake. Columns and beams are manufactured from high-quality, high-strength PC materials in a factory, enabling rapid construction on-site. Additionally, it allows for the renovation of the building's facade without altering the current living environment in terms of natural light and ventilation, creating a new image. 【Features】 ■ Possesses elastic properties that allow it to return to its original state even after significant deformation from a massive earthquake. ■ Construction can be carried out while the building is in use. ■ Seismic reinforcement work can be completed safely and in a short period. ■ Ground anchors can prevent the building from toppling during an earthquake. ■ Technical evaluation report obtained from the Japan Architectural Disaster Prevention Association. For more details, please refer to the catalog or feel free to contact us.

  • Earthquake-resistant construction method
  • Renovation and repair methods

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Examples of KTB repair and reinforcement: RC bridges, PC bridges, steel bridges.

This is the reinforcement of the KTB external cables using corrosion-resistant PC steel materials that have obtained construction technology examination certification.

The external cable reinforcement method aims to improve bending and shear resistance by placing PC steel materials outside the member and applying tension through anchorage or deflection points. The KTB external cable reinforcement method uses PC steel materials that are particularly excellent in corrosion resistance and fatigue resistance, and employs SC unbonded or Ducst unbonded materials that are not subject to UV degradation. For more details, please contact us or refer to the catalog.

  • Steel
  • Reinforcement and repair materials
  • Foundation construction

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