DIACalc® - Software for Analysis and Design of Steel Fibre Reinforced Concrete (SFRC) Structures
Steel fibre reinforced concrete
structures
Steel Fibre Reinforced Concrete (SFRC) is well known in several areas of civil engineering as a structural application - underground structures probably represent one of the most important fields of application for SFRC (tunnels, caverns, shafts, etc), as well as slope stabilization works.
The development of the new Dramix® 4D and 5D steel fibres, released in 2012 with enhanced mechanical properties (fym up to 2300 MPa), allowed for a remarkable expansion of the fields of application for SFRC structures.
In fact, with these fibres it became possible to improve structural performance to levels that were previously unattainable.
Analysis and design of SFRC structures
Complete structural analysis can be performed with DIACalc®, regarding the following Ultimate Limit State (ULS) and Serviceability Limit State (SLS) verifications:
• ULS
• Structural resistance
→ Bending (with or without axial
force)
→ Shear
→ Punching shear
→ Shear
→ Punching shear
•
SLS
• Durability
→ Crack control
Fields of application for SFRC structures
The new 4D and 5D fibres allow for the design of more competitive SFRC structures in several areas of civil engineering:
- Underground structures (caverns, tunnels, shafts, etc.);
- Hydraulic structures (dams, power plants, water channels, etc.);
- Earth retaining structures (including diaphragm walls);
- Foundations (including piles);
- Slope stabilization works;
- Pavements (industrial, harbour, ‘Clad racks’, rafts, etc.);
- Prefabricated structures (tunnel linings, tubular structures).