THE HIGH-PERFORMANCE CRITICAL INFRASTRUCTURE COMPANY Easy to Install | Cost Effective to Deploy | Durable for Decades Syntho-Shield" Restores Corrosion on Submerged Steel Pilings By Eri Vokshi, PE and Leonardo Paim, PhD Opened in 1985, the Carajás Railroad ranks as the most efficient railway in Brazil. The 554-mile (892-km) long rail links the worlds largest open-air iron ore mine in Carajás, to the port of Ponta da Madeira, in São Luís, transporting 120 million tons of cargo and 350 thousand passengers each year. Figure 1: Overhead view of the Ponte Rio Tocantins bridge A section of the line passes over the Tocantins River via Ponte Rio Tocantins, a mile-long (1.67 km) bridge in Maraba PA. The bridge is supported by 147 reinforced concrete underwater piles with steel jackets that are mai

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