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Bridges and Civil Engineering Structures
The company is specialized in the spliced girder method. The company has developed a special method for optimization of post-tension tendon profiles. This method, while applied in spliced girder bridges, allows using pre-cast girders of standard sections for longer spans. Zohar Bridge is composed of standard pre-cast AASHTO VI girders with 52 meter spans. B9 bridge in road 431 is composed of standard channel girders 1.80 meter deep with 54 meter span, making this bridge one of the largest span/depth ratio for bridges composed of pre-cast elements. The development of this method enables reducing up to 20% of the structure cost, compared to alternative methods for this span range like segmental box girder bridges. Using this method reduces the depth of bridge superstructures and achieves the best span/depth ratio for bridges composed of pre-cast elements. The company designs integral abutments bridges, including bridges with large diameter concrete piles up to 80 meters long. The integral abutments bridges avoid the need for bearings and expansion joints, reducing construction cost and dramatically minimizing the maintenance cost. The integral abutments bridges improve the riding quality of the vehicles. Accurate analysis for the creep, shrinkage and temperature difference effects and the foundation soil interaction is accomplished resulting in a very well performing bridge. |
Bridges and Civil Engineering Structures
            
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