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Interspan
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    • Overview
    • Leadership
    • In-House Engineering & Design
    • Interspan Europe Strengthening & Repair Division
    • Why Partner with Interspan?
    • Quality Assurance
    • Capability Statements
  • New Structures
    • The Post-Tensioning Method
    • Specialist Slab Post-Tensioning
    • Construction methodology
    • Lifting and Jacking Works
    • Multi-Strand Tensioning Systems
    • Stress Bar Post-Tensioning
    • Sustainability and Carbon Emissions
  • Existing Structures
    • Crack Injection
    • CFRP Strengthening
    • Structural Concrete Repair
    • External Post-Tensioning
    • Bearings and Expansion Joints
    • Forensic Investigations
    • Tendon Trucations
    • Remedial Grouting
    • Heavy Lifting & Monitoring
    • Cathodic Protection
  • Civil & Infrastructure Division
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Steve MacApline

  • Infographic comparing thinner slabs: residential and commercial loads with RC vs PT bars and 40% thinner; 415mm/250mm, 40% thinner highlight on right.

    Thinner Slabs – Smarter Structure

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  • Logo collage: Dywidag at top center with a red geometric mark, and Interspan and slabtec logos on the bottom row.

    Interspan Group (including Slabtec) to Join DYWIDAG

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  • Interspan post-tensioning standards

    Raising the Standard in Post-Tensioning

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  • post-tensioning innovation

    Post-Tensioning Innovation

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  • Interspan PREQUALIFICATION

    Interspan is now B1 (F50) Prequalified with Transport for NSW

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  • Interspan Announces National Flat Jack Supply Partnership

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  • extending the life if carparks

    Strengthening and Life Extension for Ageing Concrete Carparks

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  • Interspan at IStructE AWARDS

    Recognising Emerging Talent

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  • Interspan-Cares

    Interspan CARES Audit

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  • Nation Infrastructure Manager_Pierre-Yves Souesme

    Pierre-yves Souesme, National Infrastructure Manager

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Interspan logo featuring red and dark gray hex elements, the word Interspan, and the tagline 'A DYWADG COMPANY' beneath.

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© 2025 Interspan

  • About
    • Overview
    • Leadership
    • In-House Engineering & Design
    • Interspan Europe Strengthening & Repair Division
    • Why Partner with Interspan?
    • Quality Assurance
    • Capability Statements
  • New Structures
    • The Post-Tensioning Method
    • Specialist Slab Post-Tensioning
    • Construction methodology
    • Lifting and Jacking Works
    • Multi-Strand Tensioning Systems
    • Stress Bar Post-Tensioning
    • Sustainability and Carbon Emissions
  • Existing Structures
    • Crack Injection
    • CFRP Strengthening
    • Structural Concrete Repair
    • External Post-Tensioning
    • Bearings and Expansion Joints
    • Forensic Investigations
    • Tendon Trucations
    • Remedial Grouting
    • Heavy Lifting & Monitoring
    • Cathodic Protection
  • Civil & Infrastructure Division
  • Projects
  • News
  • Contact
Our Capability Brochures

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