TechSpan
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| TechSpan® is a state of the art, three hinged precast concrete arch system. It is used for bridge and waterway applications. They provide all the benefits of precast concrete structures plus a number of advantages over typical culvert, bridge and arch systems. |
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TechSpan® is an ideal structure
for placement over waterways and environmentally sensitive creeks.
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TechSpan® provides the ideal solution for short to medium span bridging with precast concrete segments that offer rapid and safe installation, without the need for scaffolding. TechSpan® provides a long service life structure with superior seismic qualities and low maintenance requirements. |
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This 10 m span arch was designed,
priced, and delivered to site under a fast-tracked timing schedule.
These precast walls are over 20 m high. |
Advanced design procedures and fabrication capabilities allow for the use of arch structures in high-load applications not suitable for standardized systems. Simple, rapid, predictable construction with a small crew and conventional equipment is therefore achievable. |
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Each TechSpan® structure
is custom-designed to provide strong, safe and reliable performance.
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State-of-the-art design methods accurately define the radius of curvature of the arch to minimize tensile stresses. Unique precasting methods produce structures that conform to any and all geometric design parameters. Economical use of concrete and reinforcing steel provides maximum safety at the lowest possible cost. Unlike any other precast arch system, each TechSpan® structure is specifically designed-structurally and geometrically for the particular application. RECo engineers use a custom finite element analysis program and funicular curve theory to define the optimum radius of curvature for an arch based on the project specific span length, soil coverage and construction sequencing requirements. This design produces the most efficient and economical sections in arching. |
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Speed of TechSpan® construction
results in cost-effective savings to your project.
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Speed of installation with TechSpan® greatly reduces the over all costs. Typically during construction, there is no need to divert activity such as road traffic, streams, or rail traffic from under the span. A small work crew with a crane has typically erected 10 to 20 metres of TechSpan® per day. |
The proof of the effectiveness of TechSpan® is successful experience: since 1998 over 730,000 square metres of custom designed TechSpan® structures have been placed in service for highways, railroads, industry, and other uses in the world. |
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Advantages:
- Customizable design
- Small footprint and simple construction
- Optimized template envelopes
Associated applications :
Airports
Bridges
Dams & reservoirs
Energy
Environmental
Industry
Land development & Building
Military
Mining & minerals
Ports & Coastal works
Railways
Rivers & Waterways
Roads & Motorways
Sports & Leisure
