TechSpan®, (HKS®) is a precast arch system with 3 hinges.
The main elements:
- Foundation system
- Precast reinforced concrete arches
- Crown beam
Applications of TrchSpan® System
- Short
to medium span highway and railway bridges
- Access
tunnels and underpasses
- Road
culverts
- Water
culverts
Advantages of TechSpan® system
- Tensile
stresses are minimized and arch shape is optimized by utilizing
sophisticated design methods
- Economical
use of concrete and steel bars result in lower costs
- Precast
arches provide quality control and rapid construction compared to
conventional systems
- No
scaffolding or bracing during the erection
- These
advantages have allowed the successful completion of more than 600
TechSpan® projects worldwide since 1985
TechSpan® Brochure