Professional China Unbonded Pc Strand - Mine Supporting Big Diameter PC Bar – Silvery Dragon
Professional China Unbonded Pc Strand - Mine Supporting Big Diameter PC Bar – Silvery Dragon Detail:
PC bar for mine anchor cable (mine supporting big diameter PC bar)
This product is heat-treated spiral rib bar with resin anchoring structure for mine anchor cable. Its specifications are φ16.0mm, φ18.0mm, φ20mm, and the tensile strength grade are 1080Mpa, 1270Mpa, and 1420Mpa. The product has the characteristics of high strength, high toughness, low relaxation, total elongation under maximum force Agt≥3.5% and impact absorption energy Akv/J≥32. Its shape is spiral rib. It is a new type of support material that combines the advantages of ordinary resin anchor rod and high-strength PC strand materials. During application, it adopts tensioning method to apply preload and only the tail of the bar is stretched to avoid the torsion of traditional anchor rods caused by applying preload through pre-tightening torque and breakage in shear. The tensioning method can also greatly increase the pre-tightening force and improve support effect. It is a new type of material for mine support.
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Key parameters & reference standards
| Appearance | Nominal Dia.(mm) | Tensile Strength(MPa) | Relaxation(1000h) | Standards |
| Spiral Groove | 6.1,7.1,9.3,10.0,10.7,12.67.4,9.2,11.0,13.0 | 1230,1420 | Low relaxation≤2.5% | JIS G3137, GB/T5223.3KS D3505 |
| PC bar for mine anchor cable | 16.0,18.0,20.0 | 1080,1270,1420 |
Product detail pictures:
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We pursue the management tenet of "Quality is remarkable, Company is supreme, Name is first", and will sincerely create and share success with all clientele for Professional China Unbonded Pc Strand - Mine Supporting Big Diameter PC Bar – Silvery Dragon, The product will supply to all over the world, such as: Benin, Turin, Japan, We only supply quality items and we believe this is the only way to keep business continue. We can supply custom service too such as Logo, custom size, or custom merchandise etc that can according to customer's requirement.
By Jane from Paraguay - 2018.10.01 14:14
In China, we have purchased many times, this time is the most successful and most satisfactory, a sincere and realiable Chinese manufacturer!
By Andrew Forrest from Paraguay - 2018.12.14 15:26
