
In the demanding field of geotechnical engineering, projects often grapple with unstable rock masses, slope failures, and the need for long-term structural integrity in harsh environments. These challenges are exacerbated by factors such as corrosion, heavy loads, and difficult access sites. SupAnchor, a leader in anchoring solutions, has introduced the GFRP Solid Bolt, a innovative product that significantly improves the performance of self drilling anchor systems. This bolt is designed to provide reliable support in critical applications like tunneling, mining, and slope stabilization, addressing the limitations of traditional steel bolts with its advanced material properties.
The SupAnchor GFRP Solid Bolt is engineered with key parameters that ensure optimal performance in various geotechnical reinforcement systems. Below is a summary of its technical data for different models, highlighting features such as high tensile load and lightweight design.
| Model | Outside Diameter (mm) | Cross-sectional Area (mm²) | Guaranteed Tensile Load (kN) | Weight (kg/m) |
|---|---|---|---|---|
| S20/200 | 20 | 200 | 200 | 0.52 |
| S22/240 | 22 | 240 | 240 | 0.62 |
| S25/320 | 25 | 320 | 320 | 0.83 |
| S28/400 | 28 | 400 | 400 | 1.04 |
| S32/500 | 32 | 500 | 500 | 1.30 |
These specifications demonstrate the bolt's capability to handle significant loads, with tensile strengths up to 500 kN, making it a robust component in drill-and-grout bolt applications. The solid structure, unlike hollow bar anchors, eliminates internal weaknesses, ensuring consistent performance. Key advantages include:
The waved thread structure improves bonding with grouting materials, ensuring secure anchoring in various geological conditions. This makes the GFRP Solid Bolt a versatile choice for engineers seeking durable alternatives to traditional methods.
The GFRP Solid Bolt is deployed in numerous geotechnical projects worldwide, including slope stabilization for highway embankments, roof and wall support in underground tunnels, and reinforcement of mine roadways. For instance, in slope stabilization, the bolt's high tensile load prevents soil erosion and landslides, while in tunneling, it provides permanent support against collapses. Its corrosion resistance makes it suitable for coastal or industrial sites where steel bolts would degrade quickly. These applications highlight its role in enhancing the safety and longevity of infrastructure, often integrated with self drilling anchor systems for rapid deployment.
The introduction of this bolt addresses critical needs in global infrastructure development, particularly as urbanization and mining activities expand. It contributes to safer tunneling operations, reduces environmental risks in slope management, and supports sustainable practices by minimizing material waste. The product's adaptability to various ground conditions makes it valuable for projects in Europe and North America, where strict safety standards govern geotechnical work. By improving the reliability of anchor systems, SupAnchor helps mitigate accidents and costs associated with structural failures, underscoring the importance of innovative solutions in the industry.
SupAnchor has built a reputation for professionalism and innovation through extensive research and development, backed by ISO certifications that ensure quality and consistency. The company collaborates with global partners on major projects, from railway tunnels to mining sites, demonstrating a commitment to advancing geotechnical technologies. The GFRP Solid Bolt exemplifies this ethos, offering a collaborative solution that meets diverse engineering needs. With a focus on continuous improvement, SupAnchor aims to set new benchmarks in the field, reinforcing its position as a trusted manufacturer of ground anchor bolts and related systems.

SupAnchor's self drilling anchor system provides efficient ground stabilization in challenging geology, with high-strength hollow bar anchors and corrosion protection for civil engineering projects.
SupAnchor introduces a corrosion-resistant GFRP solid bolt with high tensile strength, lightweight design, and non-conductive properties for slope stabilization, tunnel support, and mining applications.
A European transport project uses SupAnchor's self drilling anchor system to stabilize loose overburden and fractured rock. Hollow bar anchors provide immediate load capacity, corrosion protection, and long-term geotechnical safety.
SupAnchor introduces SupFRP® GFRP reinforcement rebar with high tensile strength, corrosion resistance, and versatile shapes for demanding construction applications across Europe and North America.
SupAnchor introduces a stainless steel self-drilling hollow anchor combining 3-in-1 drilling, grouting, and reinforcing with superior corrosion resistance for marine, chemical, and permanent geotechnical applications.