Customization: | Available |
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After-sales Service: | Pre-in-Post |
Warranty: | Forever |
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Product Introduction
Dive into the world of advanced construction with our 1x7 structure unbonded prestressed steel strand, available in sizes "12.7mm, 15.20mm, 15.70mm, 17.80mm". This state-of-the-art steel bar, enveloped in anti-corrosion grease and a protective sheath, is revolutionizing water conservancy and hydro-power projects. As the demand for wind power projects surges, with towers reaching or exceeding heights of 120m, our strands are at the forefront of external prestressing technology in concrete towers. With robust corrosion and fatigue resistance, they enhance wind resistance, significantly extending the lifespan of your structures.
In adhering to the esteemed standard JG/T 161-2016 for Unbonded Prestressed Steel Strand, we have reimagined our design to streamline the testing of sheath tensile properties, bolstering practicality and ease of use. Our innovative approach ensures the sheath's performance is optimal, setting a new benchmark for quality standardization and enhancing the safety and integrity of your projects.
Product Characteristics
Designed for precision and resilience, the unbonded steel strand encapsulated in the outer cable of wind power concrete towers offers customizable sheath thickness and grease application to meet your exact technical specifications. The sheath's surface is meticulously crafted to be dense and smooth, with the steel strand's outline subtly visible, guaranteeing a pristine finish free from air holes, mechanical damage, cracks, or noticeable wrinkles.
Product Application
Wind power and water conservancy projects
Hydro-power Stations
South-North Water Transfer Project
River Channels and other significant national water conservancy and hydropower initiatives
UNBONDED PC STRAND | ||||||
Size(mm) | Tensile Strength(MPa) | Section Area(mm2) | Gresase mass per meter(g/m) | Minimum thickness of coat(mm) | Friction factor(μ) | Effect modulus(K) |
12.7 | 1720,1860,1960 | 98.7 | 43 | ≥1.0 | 0.04~0.1 | 0.003~0.004 |
15.2 | 1570,1670,1770,1860,1960 | 140.0 | 50 | |||
15.24 | 1860 | 140.0 | 50 | |||
15.7 | 1860 | 150.0 | 53 |
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