High Durability Performance SPC Composite Beam Bridge

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last updated：Mar 01, 2024

ケーティービー

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We have successfully constructed a simple girder bridge with a width of 52.1 meters, which we take pride in on a global scale.

The SPC composite girder bridge arranges steel frames within the upper flange and takes the reaction forces of external cables at both ends. This structure allows for the formation of a tension structure within the cross-section, enabling a significant elevation of the neutral axis. Additionally, by incorporating steel frames, rigidity is enhanced, allowing for the tensioning of a total of 12 strands from both external and internal cables at the Atogase Bridge, which greatly helps in suppressing concrete creep and drying shrinkage. Furthermore, regarding PC steel wires, fully rust-proof SC strands and SC unbonded wires are used throughout, resulting in a structure with excellent corrosion resistance. For more details, please contact us or refer to the catalog.

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【Features】 ○ SPC structure with high durability → Incorporates compressed steel materials within the main girder cross-section ○ Slimming of the main girder cross-section using compressed steel materials and external cables ○ Lightweight ○ Cost-effectiveness ○ Segmental method ○ SC strand crimped joints ○ Achieves simple girder ends exceeding 50m ○ Reduces or eliminates the need for substructures (piers) ○ Not restricted by the constraints of transporting girders to the site ● For more details, please contact us or refer to the catalog.