Freysaş-Freyssinet

Freyssinet prestressing technology is widely used in the construction of major infrastructure elements thanks to its outstanding performance, durability, and long-term structural efficiency. Freyssinet’s post‑tensioning systems contribute to improved structural behaviour and provide practical advantages in the design and construction of various infrastructure elements such as; 

• Bridges, 
• Viaducts,  
• Passages, 
• Culverts, 
• and other specially designed post tensioned civil engineering structures 

Post Tensioned Slabs can be applied on below structures ; 

• Residential Buildings, 
• Industrial Buildings, 
• High Rise Buildings, 
• Carparks 

by providing numerous advantages buildings such as; 

• Larger Spans, 
• Reduced Slab Thickness, 
• Reduced Structural Weight, 
• Better Seismic Performance, 
• Material and Cost Saving 

Since its establishment, Freysaş has successfully built more than 50 cylindrical structures using Freyssinet post‑tensioning technology. These structures demonstrate the reliability, durability, and efficiency of Freyssinet’s solutions in large‑diameter and high‑capacity applications. 

• Cement Silos 
• Clinker and Raw Meal (Farin) Silos 
• Wastewater Treatment Facilities 
• Gas Storage Tanks (LNG/LPG) 
• Post-tensioned Power Plant Structures 

Freyssinet anchoring systems, both temporary and permanent, are used to hold, restrain and support buildings. General usage area can be listed as; 

• Excavation,Slope Stabilization 
• Dams 
• Quay Walls 
• Underground 
• Anchoring Structures 
• Foundations 
• Hydrostatic Uplift Loads 

Freyssinet has a wide range of tendons for designing anchors by using PT bars, strands geared towards each application 

• Ground Anchors 
• Soil Nails and Rock Bolts 
• Micropiles 
• Port Tie Rods 

Design, supply and installation services with its patented Stay Cable Systems for; 

• Cable-stayed Bridges 
• Pedestrian and Arched Bridges 
• Covering Structures (roofs etc.) 

Freyssinet, as the inventor of individual multistrand parallel system, HD stay cable system provides,  

• Installation of each strand individually 
• Individual protection against corrosion 
• Individual replacement if necessary 

The standard range of varies from 1 to 169 strands, but no limits on capacity or length with special design. 

The Deck is built from one of the banks of the area to be spanned in successive segments, pushed after concrete hardening.  

• Suppresssion of scaffolding 
• Large amount of optimization, Hyperstatic System 
• Material and cost saving 
• Repeated construction cycle 
• Effective schedule and resources 
• Construction without interruption of the highway/railway traffic 

Freyssinet Services for Incermental Launching Projects; 

• Alternative Design  
• ILM Construction Method Design 
• Post Tensioning  
• Bridge Fittings 

This method is especially preferred where the span lengths are longer and standard formwork/scaffolding systems cannot be used due to topographical issues. Freyssinet Services for Balanced Cantilever Projects are;

• Design Services 
  • Casting Curve Analysis, 
  • Independent Design Check of Deck 
• Formwork Traveller Equipment Services 
  • Design  
  • Supply 
  • Operation (Testing, commissioning) 
• Post Tensioning Supply and Installation  
• Bridge Fittings (Bearings, Expansion Joints, Seismic Devices) 

Cast‑in‑situ bridges systems are among the most common, conventional bridge construction methods. The bridge deck is cast either in a single piece or in several sections, deck is built without any intermediate expansion joints, and its continuous, hyperstatic behavior ensures an efficient structural system with optimized material usage. 

As Freysaş Freyssinet with our numerous references and extensive experience in the region, we provide the following services: 

• Post Tensioning  
• Bridge Fittings 

Post‑tensioned girders are mostly preferred for medium‑span bridge projects, providing the required structural performance through tendons tensioned after casting, and allowing for practical transportation and straightforward installation. 

As Freysaş Freyssinet with our numerous references and extensive experience in the region, we provide the following services: 

• Post Tensioning  
• Bridge Fittings 

Freyssinet and its specialist subsidiary Hebetec Engineering combine their expertise and know-how to offer their customers integrated solutions in the field of lifting and handling of structures, including designing installation methods, supplying hydraulic equipment, designing temporary structures and carrying out specialist works.  

• Strand lifting 
• Lifting and jacking structures 
• Structure handling 
• Structure sliding 
  • Autoripage® 
  • Autofonçage®  
  • Airpad Sliding (APS) Push-pull jack system 

As a major player in the field of construction, Freyssinet has developed a wide range of bearings. Freyssinet designs and provides the right solution to meet its customers’ needs for every type of structure. 

• Spherical Bearings 
• Pot Bearings 
• Elastomer Bearings 

For Seismic Bearings, please see ISOSISM® Seismic Protection Devices. 

The expansion joint is without doubt the element under most strain in an engineering structure. Expert in managing the functionalities and stresses to which expansion joints are subjected, Freyssinet develops products designed to meet the site conditions and the climate and operating conditions of the structure. 

• Enhanced Joints (Viajoint) 
• Nosing Joints (Types: WRB, JEP, WOSd) 
• Cantilever Joints (Types: WP, Wd, WM) 
• Mat Joint (SX)*  
• Modular Joint (LW) 

*For Seismic Mat Joint see ISOISM® Range 

Freyssinet is a trailblazer in developing earthquake isolation devices and offers an end-to-end range of special products, ISOSISM®. These devices can be used alone or in combination to achieve the most effective and appropriate protection for each project. Seismic protection is based on three fundamentals: 

• Dissipation (Dampers) 
  • FD and FD-HR (Fluid Dampers) 
  • PDS 

• Isolation (Bearings) 
  • HDRB (High Damping Rubber) 
  • LRB (Lead Rubber) 
  • PS-Pendulum 

• Connection 
  • • STU (Shock Transmission Unit) 

As a specialized contractor, with extensive experience and numerous references for repair and replacement works of expansion joints and bearings 

• Maintenance 
• Monitoring 
• Replacement, if necessary 

Freyssinet has developed a comprehensive range of technical solutions and services for all stages in the maintenance of stay cable systems. 

• Inspection 
• Instrumentation 
• Specialist maintenance 
• Modernization 
• Replacement 
• Maintaining operation during work 

Freyssinet offering technical solutions for the construction and repair of structures: 

• Post Tensioned Structures 
• Bridges, Stadiums 
• Tunnels 
• Buildings 

With areas of services: 

• Additional PT reinforcements 
• Dry shotcrete reinforcements 
• CFRP reinforcements 

An integrated seismic prevention and protection solution for existing buildings, from the structural repair and reinforcement specialist. Services by Freyssinet: 

• Assistance with earthquake risk assessments 
• Technical and financial assessment of strengthening options 
• Strengthening design study 
• Performance of strengthening studies and work 

Some areas of Application: 

• Public buildings 
• Residential buildings 
• Industrial buildings 
• Historic monuments