Industry News
How does a unbonded post-tensioning system work?
An unbonded post-tensioning system is a prestressing technique where the tensioned steel tendons are not permanently attached to the surrounding concrete (unlike bonded post-tensioning, where tendons are grouted into ducts to bond with concrete). Instead, tendons are isolated from the concrete by a ......
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Difference Between Unbonded and bonded Post-Tensioning System
This is a critical distinction for post-tensioning (PT) design and construction—bonded PT relies on grout to bond tendons permanently to concrete, while unbonded PT uses greased tendons in plastic sheathing to keep tendons isolated from concrete. Below is a comprehensive breakdown of their differenc......
View DetailsApplication of Stainless Steel Marine Hardware
Stainless steel has become the core material for marine hardware due to its excellent corrosion resistance, high strength, low maintenance cost, and compatibility with marine environments. Marine hardware refers to the metal components and fittings used in shipbuilding, offshore engineering, yacht e......
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How to improve the surface roughness of gray cast iron parts?
For gray cast iron castings, surface finish is an important indicator for evaluating the quality of the casting's surface. The surface roughness of gray cast iron castings not only directly affects whether the casting looks refined, but also influences the service life of the gray cast iron. Therefo......
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