- Mar 15, 2023
- HJ3 Civil, HJ3 Company News, Industry News, Spotlight, Worldwide Infrastructure
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For this bridge and pile repair project, HJ3 repaired and strengthened a bridge that had 93 concrete piles and 2 reinforced trusses in need of repair and strengthening. HJ3’s patented products were used to repair and strengthen the piles 10 feet above and 5 feet below the waterline.
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|For this project, HJ3 had an above-water and below-water team of certified installers. The degraded concrete was removed and the piles and trusses cleaned.|
|The bridge was repaired and strengthened above and below the water, then wrapped with HJ3’s carbon fiber and CFRP. The piles above water had a UV and pH protective coating applied over the carbon fiber.
DESIGN: HJ3 relies on ACI-440.2R-08 ” Guide for the Design & Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures”
STRENGTH: HJ3 verified the strength of its underwater system in accordance with ASTM D3039.
HJ3’s team of engineers will design custom structural solutions for you.