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Technical specifications for WBQ 300/400/500/600/700/800/1000×A/AB/B/C×wall thickness ×3-12 m |
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Item No. |
WBQ 300/400/500/600/700/800/1000×A/AB/B/C×wall thickness× 3-12 |
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Material |
Prestressed high strength concrete |
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Effective preloading stress value of concrete |
A type, AB type, B type, C type |
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Concrete strength |
≥ C80 |
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Outer diameter |
500mm-1000mm |
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Wall thickness |
70mm-130mm |
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Length of pile shaft |
5 m -12 m |
Technical Requirements
- The surface shall be smooth, the color shall be uniform, the drop depth shall be less than 10mm, and the honeycomb area shall be less than 5% of the total area.
- Cracks of finished pile (shrinkage cracks or cracks caused by lifting, shipping and stacking): depth <20mm, width <0.25mm, transverse cracks not more than half of the side length.

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