In the demanding environments of modern mining and tunneling, engineers grapple with unstable rock masses and geological challenges that threaten project timelines and worker safety. SupAnchor's SupHulk friction rock bolt system has emerged as a critical solution, providing robust support through its self-drilling anchor system. This innovation addresses issues like rock falls and structural instability, enabling safer and more efficient excavations in projects ranging from urban tunnels to deep mining operations.
The installation process for the SupHulk system is straightforward: operators drill a hole, insert the bolt, and inflate it to a predetermined pressure using a specialized pump. This simplicity reduces labor time and enhances safety on site. Key parameters from the PM series highlight its engineering prowess. For instance, the minimum breaking loads range from 110 kN for PM12 to 240 kN for PM24, ensuring high tensile strength. The system's friction-based anchoring allows immediate load bearing after installation, which is crucial for absorbing rock movements in real-time.
| Model | Min Breaking Load (kN) | Min Yield Load (kN) | Inflation Pressure (bar) | Hole Diameter (mm) |
|---|---|---|---|---|
| PM12 | 110 | 100 | 300 | 32-39 |
| PM16 | 160 | 130 | 240 | 43-52 |
| PM24 | 240 | 200 | 300 | 43-52 |
These specifications enable the SupHulk system to adapt to various rock conditions, providing full-column support along the borehole length. The high yield loads, such as 130 kN for PM16, ensure that the bolts can withstand shear movements without failure, making them ideal for dynamic geological settings. This self-drilling anchor bolt technology not only speeds up construction but also reduces the need for additional reinforcements, cutting costs and minimizing environmental impact.
The SupHulk rock bolt system is highly versatile, finding applications in both mining and tunneling. In mining, it is commonly used for roof bolting and hanging wall support, where its rapid installation and high performance enhance safety in low to medium stress conditions. For tunneling, it serves as pattern bolts in systematic anchoring, with the bolting pattern tailored to excavation size and rock mass properties. Key features include:
This geotechnical reinforcement system ensures that projects meet stringent safety standards, whether in civil engineering or resource extraction. Its ability to provide friction and inter-locking support along the entire length makes it a reliable choice for challenging terrains.
The global infrastructure sector benefits significantly from innovations like the SupHulk system, as it supports the development of safer tunnels and mines. With increasing demand for sustainable construction, this self-drilling anchor system aligns with industry trends toward efficiency and reduced downtime. SupAnchor, backed by ISO certifications and a strong R&D focus, has established itself as a leader in geotechnical solutions. The company's collaborative approach with international projects underscores its commitment to professionalism and innovation, ensuring that products like the SupHulk bolt meet diverse engineering needs. As infrastructure projects expand worldwide, the adoption of such advanced hollow bar anchor systems is set to grow, reinforcing SupAnchor's role in shaping safer and more resilient environments.
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