Rock anchor bolt is the most basic part of tunnel support in contemporary coal mine, it can help to strengthens the surrounding rocks of the tunnel together. Now the anchor is not only used in mine, but also used in engineering technology to reinforce the main body of slope, tunnel and dam.
20mm Diameter Mechanical report
| Test No. | E18040816-1 | Steel Grade | HRB500 |
| Test Date: | 2018/4/19 | Inspector | |
| Sample Shape: | Rebar | Diameter(mm) | 20 |
| So(mm²) | 314.16 | Standard distance rate | |
| Lo(mm) | 100 | Extensometer gauge length | 50 |
| Lu(mm) | 126 | A(%) | 26 |
| Section Size | Su(mm²） | ||
| Z(%) | / | Fm(KN) | 244.25 |
| Rm(MPa) | 777 | FeH(KN) | 178.75 |
| ReH(MPa) | 569 | FeL(KN) | 179.05 |
| ReL(MPa) | 570 | Fp(KN) | 178.9 |
| Rp(MPa) | 569 | Ft(KN) | 4.5 |
| Rt(MPa) | 14 | E(GPa) | 1.97 |
| Yield Ratio | 0.73 | Fu/Fy | 1.36 |
| At% | / | Agt(%) | 113.5 |
Left hand rebar picture:
Applying:
- Coal mining
- Hard rock mining
- Civil construction
- General construction
- Geotechnical and Shoreline
- Bridges
- Dams
- Infrastructure
- Tunnels
Contact us now!
Anyang Longteng Heat Treatment Material Co.,Ltd
Add: Industrial Park, Indu District, Anyang City, Henan Province, P.R.C.
Email: [email protected]
Post time: May-09-2019