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Date：2023-07-03 | View：1060
The construction project of new railway bridge over the Brazilian Tocantins River cooperated between Companhia Vale do Rio Doce (hereinafter referred to as Vale) and CXHI is in full swing. As of July 2, 2023, the second batch of steel components have been shipped successfully.
This construction project is a large-scale bridge project independently undertaken by CXHI. The railway bridge is 4m in height, 5m in width and 2310m in total length. To ensure the smooth installation on site, CXHI carried out the full pre-assembly after fabrication, and directly shipped after disassembly. Due to the project is located in tropical rainforest, ASTM A588 weathering resistant steel is selected to ensure corrosion resistance and durability.
Generally, the exposed parts of steel structural are coated with paint, which can protect and modify the finishing effect for the products. However, the supply requirements of the project is mostly black parts (the surface of the components is not coated with paint), and the products are made of steel processing, which will cause problems such as poor appearance due to bumps or skill level difference in the process, so the delivery of "black parts" is a huge challenge for the manufacturer. Stricter process control，inspection and repair are indispensable factor.
The cargo ship departs from the Taixing wharf, which next to CXHI workshop, to the Vale Madeira Port in S?o Luis, Maranhao, it will certainly take the construction project of new railway bridge over the Tocantins River towards a new journey.
