In the heart of European tunneling projects, such as the expansion of metro systems in soft rock terrains, engineers face significant challenges in stabilizing tunnel faces and slopes. The SupAnchor® GFRP SDA Bolt emerges as a key innovation, addressing these issues by integrating drilling, grouting, and anchoring into a single, efficient process. This geotechnical reinforcement system is designed to meet the rigorous demands of modern infrastructure, ensuring safety and durability in challenging geological conditions.
The SupAnchor® GFRP SDA Bolt, part of the SupAnchor® self-drilling anchor system, streamlines construction workflows. Its central hole allows for water flushing during drilling, reducing dust and facilitating anchor grouting, which is crucial for applications in soft rock or clay soil. This hollow bar anchor design enhances adaptability, enabling use in scenarios like tunnel face stabilization, slope reinforcement, and ground support in mining operations. Key technical features include permanent application, super high torque resistance, and high end loading, which directly address engineering challenges such as preventing tunnel collapses or soil erosion.
To illustrate the product's capabilities, here are the technical specifications for the main models, highlighting parameters like guaranteed tensile load and diameter that solve specific engineering needs:
| Model | Outside Diameter (mm) | Guaranteed Tensile Load (kN) | Length Options (m) |
|---|---|---|---|
| H25S | 25 | 220 | 2 to 11 |
| H28S | 28 | 280 | 2 to 11 |
| H32S | 32 | 365 | 2 to 11 |
| H38S | 38 | 490 | 2 to 11 |
These specifications, including ISO standard thread profiles (R25, R28, R32, R38), ensure compatibility and reliability in various geotechnical contexts. The drill-and-grout bolt approach minimizes installation time and reduces machinery wear, making it a cost-effective solution for large-scale projects.
The SupAnchor® GFRP SDA Bolt is versatile, supporting a range of applications critical to infrastructure development. Key uses include:
This self-drilling anchor system is particularly valuable in regions with unstable soil or soft rock, where traditional methods may fail. For instance, in North American slope stabilization efforts, the product's easy handling and high tensile strength have accelerated project timelines while maintaining geotechnical safety standards.
Globally, the demand for efficient geotechnical reinforcement systems is rising with increasing infrastructure investments. The SupAnchor® GFRP SDA Bolt contributes to this by offering a reliable hollow bar anchor that meets international safety norms. SupAnchor® as a brand emphasizes professional, innovative, and collaborative approaches, backed by rigorous R&D and ISO certifications. The company's involvement in global projects, from European tunneling to American mining, highlights its commitment to advancing ground anchor bolt technology. By focusing on sustainability and engineering adaptability, SupAnchor® sets a benchmark for soil nail system manufacturers worldwide, driving improvements in construction efficiency and risk reduction.
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