A thread rebar bolt, also referred to as a threaded rebar bolt or just a threaded bolt, is a kind of fastener generally utilized in building, civil engineering, and mining purposes. It’s designed to supply structural reinforcement by anchoring into numerous substrates, equivalent to concrete, rock, or soil.
In mining purposes, thread rebar bolts are sometimes used to bolster rock formations in underground mines, tunnels, and shafts. They assist forestall roof collapses, stabilize rock partitions, and mitigate the danger of rockfalls, making certain the protection of staff and gear.
Specs of thread rebar bolt
| TEMNO. | DIA. | MASS | YIELD STRENGTH≥335MPa | YIELD STRENGTH≥500MPa | YIELD STRENGTH≥890MPa | ||||||
| (mm) | (kgs/m) | YIELD (kN) |
TENSILE (kN) |
ELONGATION | YIELD (kN) |
TENSILE (kN) |
ELONGATION | YIELD (kN) |
TENSILE (kN) |
ELONGATION | |
| 16 | 16 | 1.5 | ≥67 | ≥97 | ≥17% | ≥100 | ≥135 | ≥15% | ≥178 | ≥231 | ≥9% |
| 18 | 18 | 1.9 | ≥85 | ≥123 | ≥17% | ≥127 | ≥171 | ≥15% | ≥226 | ≥293 | ≥9% |
| 20 | 20 | 2.4 | ≥105 | ≥152 | ≥17% | ≥157 | ≥211 | ≥15% | ≥280 | ≥364 | ≥9% |
| 22 | 22 | 2.9 | ≥126 | ≥182 | ≥17% | ≥189 | ≥255 | ≥15% | ≥337 | ≥438 | ≥9% |
Utility of thread rebar bolt
The appliance of thread rebar bolts is various and spans throughout a number of industries, with important utilization in building, civil engineering, and mining sectors. Listed below are some particular purposes of thread rebar bolts:
1. Mining Assist and Floor Management:
- In underground mining operations, thread rebar bolts are extensively used for floor assist and stabilization. They’re put in in rock formations to stop roof collapses, stabilize tunnel partitions, and mitigate the danger of rockfalls.
- Thread rebar bolts present an efficient technique of reinforcing rock buildings, making certain the protection of miners and gear in underground environments with various geological situations.
2. Tunneling and Underground Building:
- Thread rebar bolts play a vital position in tunneling and underground building tasks. They’re used to bolster tunnel partitions, safe rock formations, and supply structural assist in excavated areas.
- In tunneling purposes, thread rebar bolts assist keep stability throughout excavation and stop floor motion or collapse, making certain the integrity of underground buildings and transportation networks.
3. Slope Stabilization and Retaining Partitions:
- Thread rebar bolts are employed in slope stabilization tasks to bolster pure slopes or man-made embankments. They’re put in horizontally or at an angle to anchor retaining buildings and stop soil erosion or landslides.
- Within the building of retaining partitions, thread rebar bolts are used to safe wall panels, tieback anchors, and different structural parts, making certain stability and longevity of the retaining system.
4. Structural Reinforcement in Constructing Building:
- Thread rebar bolts are utilized in constructing building for structural reinforcement functions. They’re embedded in concrete or masonry to attach structural parts, anchor facades, and safe constructing parts equivalent to metal beams, columns, and precast panels.
- In seismic retrofitting tasks, thread rebar bolts are put in to strengthen present buildings and enhance their resistance to seismic forces, enhancing the protection and resilience of buildings in earthquake-prone areas.
5. Infrastructure Rehabilitation and Restore:
- Thread rebar bolts are utilized in infrastructure rehabilitation and restore tasks to strengthen getting old or deteriorating buildings. They’re employed to retrofit bridges, viaducts, dams, and different important infrastructure property, extending their service life and enhancing efficiency.
- Thread rebar bolts might be put in externally or internally to bolster concrete parts, restore cracks, and restore structural integrity, offering cost-effective options for infrastructure upkeep and asset administration.