Underground Support Split Sets Friction Bolts - High Performance Rock Anchor System Solution

Product Overview

Split Set Rock Bolt is a friction-type split sleeve anchor specifically designed for underground engineering, manufactured by ChangQi using high-strength steel. Through its unique slotted steel tube structure and welded ring flange design, it enables rapid installation and stable support. Its core function is to transfer loads through friction between the tube body and the borehole wall, making it suitable for rock reinforcement in various complex geological conditions, such as mine tunnels, tunnel excavation, reservoir dams, and slope protection.

Core Parameters (Customizable)

Material and Process Advantages

• Material: High-quality alloy steel ensures a balance of strength and toughness, suitable for extreme working conditions.
• Surface Treatment: Supports bright finish (uncoated), TiCN coating (significantly improves wear resistance and service life), and hot-dip galvanizing (compliant with GB/T 13912 standard, with salt spray corrosion resistance exceeding 25 years).
• Color Options: Available in brown, silver, black, gray, red, blue, and more to meet various engineering aesthetic and identification needs.

Performance and Reliability

• Shear Strength: ≥600MPa, far exceeding industry standards, effectively resisting rock deformation and collapse risks.
• Load-Bearing Capacity: Single bolt can bear up to 24,000kN, suitable for heavy support requirements in large infrastructure projects.
• Removability: Supports repeated installation and recycling, reducing engineering costs and aligning with green construction principles.

Wide Application Scenarios

This product has been deployed in over 150 countries worldwide, covering the following typical scenarios:

• Mining Engineering: Support for coal and metal mine tunnels, addressing high ground stress challenges in deep mining.
• Tunnel Engineering: Initial support for highway and railway tunnels, quickly sealing surrounding rock to prevent deformation.
• Hydraulic Engineering: Reinforcement of reservoir dam bedrock, resisting water pressure and seismic loads.
• Slope Stabilization: Stabilization of open-pit mines and highway slopes, preventing landslide hazards.

Brand and Service Guarantee

• Brand Endorsement: As a leading manufacturer in the industry, ChangQi provides technical support for landmark projects in countries such as Russia, South Africa, and Australia, leveraging its global presence and localized service experience.
• Customization Services: In addition to standard specifications, OEM/ODM customization is available to comply with various national standards (e.g., ASTM, DIN, GOST) and meet special working condition requirements.
• Quality System: ISO 9001 certified, with strict quality control throughout the entire process—from raw material inspection to in-process checks and finished product sampling—ensuring consistency in every batch.

Complementary Solutions

To enhance the integrity of the support system, we recommend the following complementary products:

• Square Steel Dome Plate (125×125×4mm): Used in conjunction with Split Set bolts to increase load-bearing area and distribute loads.
• Osro Strap Rock Support: High-strength flexible support straps, suitable for fractured rock layers.
• Galvanized Wire Mesh: Anti-corrosion wire mesh for surface protection of surrounding rock.

Production and Delivery Commitment

• Delivery Cycle: Standard orders shipped within 15 days; expedited processing available for urgent orders.
• Packaging Options: Customizable packaging, including wooden crates and pallets, to ensure transport safety.
• After-Sales Support: 25-year service commitment with lifetime technical consultation support.

ChangQi is committed to its mission of "making underground engineering safer and more efficient." Through technological innovation and quality control, we create long-term value for our clients. Whether you need standardized products or customized solutions, we are ready to support your project's success!

Note: The above parameters can be adjusted based on actual requirements. Contact our customer service for personalized quotes and technical solutions.