In the complex geological landscapes of modern mining and tunneling projects, from the deep shafts of European mines to the expansive subterranean networks of North American cities, rock stability remains a critical challenge. SupAnchor, a prominent manufacturer of high-quality self drilling anchor systems, has launched the SupHulk Friction Rock Bolt System, a cutting-edge solution designed to address these demands. This geotechnical reinforcement system provides immediate load-bearing capabilities, adapting to varied rock conditions and significantly improving safety standards in infrastructure development.
The SupHulk system simplifies on-site operations with a streamlined installation process: operators drill a hole in the rock, insert the self drilling anchor bolt, and inflate it to a pre-determined pressure using a specialized inflation system. This method ensures precise quality control, as the pump automatically stops at recommended pressures, guaranteeing optimal performance. The system's key parameters from the Premium line (PM) series underscore its robustness and versatility.
| Model | Min Breaking Load (kN) | Min Yield Load (kN) | Inflation Pressure (bar) | Hole Diameter Range (mm) | Profile Diameter (mm) |
|---|---|---|---|---|---|
| PM12 | 110 | 100 | 300 | 32-39 | 27 |
| PM16 | 160 | 130 | 240 | 43-52 | 36 |
| PM24 | 240 | 200 | 300 | 43-52 | 36 |
These specifications enable the self drilling anchor bolt to bear full loads immediately after installation, absorbing rock movements and distributing force uniformly along the entire length. For example, a 50 cm inflated section can generate 100 kN of friction, making it ideal for medium to soft rocks where shear movements are prevalent. The system's high yield loads—100 kN for PM12, 130 kN for PM16, and 200 kN for PM24—ensure reliable performance in low to medium stress conditions, common in tunneling and mining scenarios.
Additionally, the SupHulk system offers flexibility in length and weight, catering to diverse project requirements. Key weight data for standard lengths includes: at 1.8 m, PM12 weighs 3.70 kg, PM16 5.10 kg, and PM24 7.20 kg; at 3.0 m, weights increase to 6.00 kg, 8.20 kg, and 10.60 kg respectively; and at 6.0 m, PM12 is 11.90 kg, PM16 15.90 kg, and PM24 23.10 kg. This range supports efficient logistics and handling on-site.
The SupHulk rock bolt is highly versatile, finding extensive use in radial systematic anchoring for tunneling and roof bolting in mining. Its capacity ranges from 110 kN to 240 kN allow it to suit various reinforcement needs, from small-scale civil engineering projects to large industrial applications. In tunneling, it supports excavations with pattern bolts tailored to rock mass properties, ensuring stability in projects like subway expansions and highway tunnels. In mining, it provides rapid and safe hanging wall support, enhancing productivity in coal and hard rock operations.
This self drilling anchor system is particularly beneficial in geotechnical reinforcement systems where immediate support is critical, such as in fault zones or areas prone to rockfalls. Its adaptability to a wide range of rock conditions—from soft sedimentary layers to hard igneous formations—makes it a preferred choice for engineers globally.
The introduction of the SupHulk system aligns with global trends toward safer and more efficient infrastructure development. By reducing risks in projects like underground rail networks, dam constructions, and mine expansions, this geotechnical reinforcement system contributes to enhanced public safety and cost savings. SupAnchor's commitment to innovation is evident in their rigorous R&D processes and adherence to international standards, including ISO certifications, ensuring that their self drilling anchor bolts meet stringent quality benchmarks.
SupAnchor emphasizes a professional, innovative, and collaborative approach, partnering with engineering firms and contractors worldwide to deliver customized solutions. Their hollow bar anchor technology, integrated into the SupHulk system, exemplifies this ethos by offering durability and ease of use. The brand's influence extends across multiple continents, with successful deployments in Europe, North America, and Asia, reinforcing their reputation as a leader in the field.
With the SupHulk Friction Rock Bolt System, SupAnchor not only advances geotechnical engineering but also sets new benchmarks for reliability and performance. As infrastructure demands grow, this self drilling anchor system is poised to play a pivotal role in shaping safer and more sustainable environments for future generations.
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