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REBAR FRAME MANUFACTURER

China Rebar Frame Manufacturer for Mine Support & Paste Barricade Projects

Custom rebar frame solutions for underground mine support, broken ground roadway reinforcement, rebar-reinforced shotcrete arches, paste barricades, and composite support systems.

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Broken Ground Support
architecture
Shotcrete Arch Frame
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Paste Barricade
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Composite Support

Get custom rebar frame support solutions engineered for your site conditions.

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What Is a Rebar Frame for Underground Mining?

A Reinforced Steel Skeleton for Mine Support, Shotcrete Structures and Paste Barricades

A rebar frame (or rebar skeleton) is a custom-fabricated, three-dimensional steel structure designed to act as the primary load-bearing core in underground mining applications. It provides immediate structural integrity to excavated areas before and after the application of shotcrete or backfill materials.

Unlike standard mesh, rebar frames are engineered for extreme load conditions, specifically addressing the unique challenges of:

  • check_circle Broken Ground Reinforcement: Stabilizing fractured rock masses in fault zones.
  • check_circle Composite Support Systems: Working in tandem with rock bolts and shotcrete to form a rigid structural arch.
  • check_circle Paste Barricade Construction: Providing the necessary tensile strength to retain high-pressure hydraulic backfill.

Fabricated from high-tensile steel grades, these frames are bespoke to the specific tunnel profile or barricade dimensions of your operation.

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Rebar Skeleton

Pre-fabricated or modular steel grids that form the internal tensile reinforcement structure, absorbing shear and flexural forces that plain shotcrete cannot handle.

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Composite Support System

An integrated approach where the rebar frame physically connects with deep rock bolts and is encased in shotcrete, creating a unified, high-strength load-bearing arch.

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Custom Mine Structure

Engineered precisely to the drift profile, varying in bar diameter, spacing, and geometry based on site-specific geotechnical requirements and load calculations.

Not a Simple Steel Part: Precision Engineered for Underground Integrity

Consult an Engineer

Broken Ground, Collapse Repair & Paste Backfill Pressure

Why Standard Bolt-Mesh-Shotcrete Support Is Not Always Enough in Underground Mining Projects

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Highly Broken Ground

Severe fragmentation requires extensive stabilization beyond standard bolting to prevent catastrophic tunnel failure.

Broken Ground Loose Rock Stabilization
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Fault Fracture Zones

Geological faults present unpredictable stress concentrations necessitating rigid, continuous support structures.

Fault Lines Stress Zones Rigid Support
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Altered Ground Conditions

Water infiltration and chemical alteration degrade rock mass integrity, rendering standard anchors ineffective.

Water Damage Chemical Alteration Degradation
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Collapse Repair & Roadway Rehabilitation

Re-establishing collapsed sections requires immediate, high-strength structural framing to ensure worker safety.

Repair Rehabilitation Safety
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Standard Bolt-Mesh-Shotcrete Not Enough

Conventional methods fail under dynamic loading or extreme squeezing ground, demanding a heavy-duty skeleton.

Dynamic Load Squeezing Ground Reinforcement
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Paste Backfill Pressure & Stope Isolation

High hydrostatic pressures during backfilling operations necessitate reinforced barricades capable of immense load bearing.

Backfill Hydrostatic Barricade

These Are the Conditions Where Rebar Frame Becomes Necessary

See Rebar Frame Solutions

Rebar Frame Solutions for Mining Support & Structural Reinforcement

Custom rebar frame systems for broken ground support, shotcrete arches, paste barricades, etc.

Standard Rebar Frame

Essential structural skeleton designed for general purpose underground reinforcement and roadway stabilization.

Grade 60 Standard Arch Baseline Support
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Rebar-Reinforced Shotcrete Arch Frame

Integrated system providing maximum tensile strength and immediate surface support in highly fractured rock.

Shotcrete Integration High Tensile Arch Profile
View Details

Paste Barricade Rebar Frame

Engineered specifically to withstand the immense hydrostatic pressures of paste backfill operations.

Pressure Rated Stope Isolation Heavy Gauge
View Details

Heavy-Duty Mine Support Rebar Frame

Oversized gauge rebar configurations for extreme squeezing ground and deep-level mining applications.

Extreme Load Deep Level Oversized Gauge
View Details

Custom Curved Rebar Frame

Bespoke bending solutions to perfectly match non-standard tunnel profiles, intersections, and unique geological features.

Bespoke Radius Intersections Precision Bent
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Project-Based Rebar Frame System

Complete, end-to-end engineered framing solutions tailored specifically to the geotechnical data of your entire mine.

Turnkey Solution Geotech Aligned Comprehensive
View Details

Need a Rebar Frame Type Matched to Your Mine Project?

Get Product Recommendation

Rebar Skeleton, Shotcrete Layer & Composite Support Design

How Rebar Frame Works as a Load-Bearing Skeleton Inside Mine Support and Paste Barricade Structures

Figure 5.1: Composite Structural Matrix

Rebar Skeleton

The primary tension-absorbing member. It provides the rigid internal frame that maintains shape integrity under extreme lithostatic pressure before and after concrete application.

Shotcrete/Grouting Layer

Acts as the compression-resistant skin. It bonds with the rebar to distribute loads evenly across the rock face, preventing localized spalling and moisture ingress.

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Processed Rebar Framework

Precisely engineered steel bars shaped into structural cages for immediate deployment in underground cavities.

B500B Steel CNC Shaped
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Load-Bearing Skeleton

Engineered to sustain the full weight of unstable rock masses during the critical period before concrete curing.

High Load Stability
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Tensile & Shear Resistance

Counteracts high shear forces in fault zones, preventing the brittle failure typical of unreinforced shotcrete.

Shear Strength Tension
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Crack Control

Distributes internal stresses across the entire surface, effectively minimizing cracks and concrete fatigue.

Anti-Crack Longevity
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Compression & Seepage

Ensures the structure remains impermeable to water and highly resistant to intense vertical compression.

Waterproof Shield
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Composite Support Performance

Synergistic interaction between steel and concrete achieving 300% higher performance than single-material methods.

Synergy Efficiency

A Composite Structure, Not a Single Steel Component

Consult with our engineering team to define the precise material ratios for your specific ground conditions.

Discuss Structure Details

Rebar-Reinforced Shotcrete Arch for Broken Ground Roadways

RRSA Composite Support for Highly Broken Ground, Fault Zones, Collapse Repair and Large-Span Mine Roadways

When Standard Support Is Not Enough

Conventional rock bolting and unreinforced shotcrete often fail in highly fractured or altered rock masses. The RRSA system creates a rigid, permanent structural arch that actively resists deformation, providing a safe environment for long-term mining operations in the most challenging geological settings.

  • check_circle Immediate structural rigidity upon installation.
  • check_circle High ductility for zones prone to seismic activity.
  • check_circle Adaptable to irregular roadway cross-sections.

Highly Broken Ground

Stabilizes rock masses where individual bolts cannot find secure anchorage.

Fault Fracture Zones

Provides continuous support through dynamic and unstable tectonic sections.

Altered Zones

Reinforces weathered or chemically altered rock that lacks internal cohesion.

Collapse Repair Areas

Quickly re-establishes structural integrity in damaged or collapsed tunnels.

Large-Span Roadways

Essential for main haulage ways and chambers where span widths exceed 10m.

Insufficient Conventional Support

The upgrade path when mesh and bolts fail to stop creeping rock deformation.

A Reinforced Composite Arch for Difficult Roadway Conditions

Stop deformation today. Request a customized RRSA solution designed for your mine's unique geology.

Ask for RRSA Support Solution

Grasberg Block Cave Mine Drainage Drift Rehabilitation

Rebar Frame-Based Shotcrete Arch Support for Fault Fracture Zone and Large Void Rehabilitation

At the Grasberg Block Cave mine in Indonesia, Drainage Drift 4 encountered a wide fault fracture zone, extremely poor rock quality, roadway collapse, and a large void. The structural instability threatened the continuous operation of critical mining infrastructure.

To address these high-risk conditions, a specialized rebar-reinforced shotcrete arch (RRSA) system was engineered. This modular solution provided immediate temporary support during installation and evolved into a permanent high-capacity structural lining capable of bridging the 33-35m wide fault zone.

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LOCATION

Grasberg Block Cave

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ROADWAY

Drainage Drift 4

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FAULT ZONE WIDTH

33–35 m

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ROCK QUALITY

RQD 0–25

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VOID SIZE

13 × 10 × 9.5 m

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SUPPORT SOLUTION

RRSA

COLLAPSED VOID
RRSA REHABILITATED

The RRSA implementation successfully bypassed the fault zone and stabilized the large void, ensuring long-term drainage drift functionality.

Ask for Roadway Rehabilitation Solution

Frame Size, Spiling Bars, Split Set & FRS Shotcrete

Key Technical Parameters for Rebar-Reinforced Shotcrete Arch Support in Broken Ground Roadways. In severe broken ground, the RRSA system combines standardized frames, temporary spiling, rock bolt fixing, and fiber-reinforced shotcrete to create an immediate and robust structural integrity.

CROSS-SECTION B-B'
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REBAR DIAMETER

19 mm High-Tensile Steel

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FRAME SIZE

3200 × 800 × 200 mm

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ROCK BOLT FIXING

2.4 m Split Set Friction Bolt

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SHOTCRETE STRENGTH

32 MPa Fiber Reinforced (FRS)

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FRAME SPACING

1.0–2.0 m Variable Offset

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HEAVY DUTY OPTION

Double Arch Reinforced System

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19mm Rebar Frame

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Standardized Frame Size

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Spiling Bars

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On-Site Cutting

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Split Set Fixing

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Adjustable Spacing

Configure Your Support System: Speak with an engineer about applying RRSA to your site-specific geotechnical challenges.

Request RRSA Technical Support

Paste Barricade Rebar Frame

Engineered for Downward Cut-and-Fill Mining operations requiring high-pressure containment and structural integrity.

Why Paste Barricades Need a Rebar Frame Skeleton

Features (The Structure)

Precision-welded Grade 60 rebar grid acting as the primary tensile reinforcement matrix within the barricade structure.

Advantages (The Mechanism)

Distributes hydrostatic and dynamic paste backfill pressure evenly across the barricade face, preventing localized failure.

Benefits (The Value)

Ensures total stope isolation, drastically reducing curing time and minimizing risk of catastrophic paste blowouts.

  • check_circle Eliminates the need for massive timber structures.
  • check_circle Optimizes shotcrete usage through controlled adhesion surfaces.
  • check_circle Rapid deployment via prefabricated modular panels.
Composite Barricade Wall Cross-Section

Core Functions

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Pressure Resistance

Withstands massive hydrostatic loads during initial paste pour.

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Stope Isolation

Creates a hermetic seal between active mining zones and backfill.

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Structural Matrix

Provides a rigid scaffold for rapid shotcrete application.

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Drainage Control

Integrates with weeping tiles to manage decant water.

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Curing Acceleration

Stable environment allows paste to reach yield stress faster.

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Fail-Safe Integrity

Tensile strength prevents brittle failure of the concrete plug.

Ready to integrate engineered stability into your backfill operations?

Ask for Paste Barricade Solution

Red Lake Mine Composite Paste Barricade System

A high-performance engineered barricade solution for deep-level paste backfill operations, delivering exceptional tensile strength and reduced cycle times.

Project Background

Located in the prolific gold district of Ontario, Canada, the Red Lake Mine required a robust solution for deep-level paste backfill operations. Operating at depths exceeding 2,000 meters, the immense hydrostatic pressures demanded a barricade system capable of extraordinary tensile strength and rapid deployment to minimize cycle times.

The integration of a customized Grade 60 rebar framework provided the critical structural skeleton, allowing for a highly efficient composite wall design that significantly outperformed traditional timber and mass-concrete plugs.

location_on Location Ontario, Canada
construction Method Cut-and-Fill
grid_4x4 Spacing 60cm
texture Shotcrete 10cm
compress Yield Stress 100kPa
timer Cycle Time -30%
vertical_align_bottom Depth >2,000m
verified Status Operational

Structural Stability Comparison: Traditional vs. Composite Rebar Barricade

Monitoring Verification & Engineering Value

Post-installation telemetry confirmed a zero-deflection state under maximum hydrostatic load. The rebar skeleton effectively transferred tensile stresses, preventing the micro-fractures typically observed in unreinforced shotcrete plugs. The engineering value was immediate: the mine realized a 30% reduction in barricade construction time and eliminated the logistical bottleneck of transporting massive timber supports to deep levels, directly increasing overall ore extraction efficiency.

Require detailed specifications for your deep-level operations?

Ask for Paste Barricade Design Support

Tensile Rebar Skeleton + Compressive Shotcrete Composite Structure

How Rebar Frame and Shotcrete Work Together in Mine Roadway Support and Paste Barricade Structures. Rebar frame and shotcrete work as a composite structure, combining the high tensile strength of the steel skeleton with the compressive strength of the shotcrete covering. This synergy ensures optimal load distribution, crack resistance, and long-term stability in demanding underground environments.

Composite Support Arch

Composite Paste Barricade

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Tensile Resistance from Rebar Frame

Provides crucial tensile strength, preventing structural failure under bending forces.

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Shear Resistance & Structural Integrity

Maintains the overall shape and integrity against shear forces from shifting rock mass.

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Crack Control in Shotcrete Structures

The steel skeleton limits the propagation of micro-cracks in the brittle concrete.

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Compression Resistance from Shotcrete

Shotcrete effectively absorbs and distributes immense compressive loads.

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Anti-Seepage and Surface Protection

The composite seals the rock face, preventing moisture ingress and weathering.

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Passive Support Under Real Loads

Acts as a robust passive support system, activating fully as ground pressure increases.

One Composite Principle, Two Main Mining Applications

Get Composite Support Recommendation

Cutting, Fixing, Shotcrete Covering & Site Adaptation

Flexible Rebar Frame Installation for Underground Roadway Support and Composite Shotcrete Structures. Rebar frame installation can be adapted to real underground conditions without the need for large hoisting equipment. The process involves flexible on-site adjustments, secure rock bolt anchoring, and final shotcrete application for a complete composite structure.

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Underground Transport
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Site Cutting & Shape Adjustment
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Fit to Rock Profile
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Form Arch Structure
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Rock Bolt Fixing
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Shotcrete Covering
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Flexible Site Adaptation

Easily modified on-site to accommodate unexpected geological variations.

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Easier Underground Transport

Lightweight components simplify logistics in constrained mine shafts.

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No Large Hoisting Equipment

Designed for manual or light-duty installation, reducing equipment costs.

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Better Rock Profile Fitting

Conforms closely to irregular excavation surfaces for maximum support efficiency.

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Stable Bolt Fixing

Integrates seamlessly with rock bolts for secure, immediate stabilization.

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Composite Arch Formation

Creates a solid foundation for the final load-bearing composite arch.

Flexible Installation for Difficult Underground Conditions

Discuss Installation Requirements

Engineered for Efficiency: Why Rebar Frame Outperforms Standard Systems

A strategic shift from labor-intensive manual mesh installation to high-speed, structural composite support.

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300% Faster Installation

Pre-fabricated sections eliminate manual tying on-site, accelerating overall project timelines significantly.

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50% Reduction in Concrete Rebound

The engineered skeleton acts as a trap during shotcrete application, minimizing material waste and cleanup.

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Superior Load Bearing

Provides a robust tensile backbone designed to withstand extreme geomechanical pressures and fault zone stresses.

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0% Maintenance

Durable composite construction resists corrosion and degradation, ensuring long-term structural integrity without intervention.

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Logistics Optimized

Modular transport design allows for efficient stacking and handling, reducing transport costs and surface storage requirements.

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On-Site Adaptability

Flexible configuration options ensure seamless integration and secure fitting across irregular and challenging rock profiles.

Rebar Frame Manufacturing Line

Ready to upgrade your underground support system?

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Selecting the Right Rebar Frame for Your Project

Match your ground conditions and load requirements to our specialized frame configurations for optimal safety and performance.

Frame Type Main Application Rebar Diameter Key Strength Metric Status
Standard Model A Roadway Stabilization 16mm Yield: 500 MPa In Stock
RRSA Configuration Fault Zone Crossing 19mm Load: 250 kN/m MTO
Paste Barricade Backfill Operations 22mm Yield: 600 MPa In Stock
Heavy-Duty X Deep Mine Support 25mm Load: 400 kN/m Special Order

Need help selecting the perfect frame for your specific geology?

Consult an Engineer & Download Catalog

Get Custom Rebar Frame Solutions Directly from China Factory

Send us your roadway condition, rebar diameter, frame dimensions, spacing, shotcrete/backfill requirements, and project quantity. XINYONGDUO can help match suitable rebar frame specifications for your mine support project.

ENGINEERING ADVANTAGES
  • factory

    China Rebar Frame Factory

    Direct support from a China factory for custom rebar frame production and bulk project supply.

  • architecture

    Custom Specifications

    Support for rebar diameter, frame size, shape, spacing, curved structure and project-based fabrication.

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    Mine Support & RRSA Solutions

    Suitable for broken ground support, roadway rehabilitation and rebar-reinforced shotcrete arches.

  • construction

    Paste Barricade Support

    Used for downward cut-and-fill mining, stope isolation and paste backfill barricade structures.

Request Direct Factory Quotation

Connect directly with our engineering team to get custom-designed solutions that minimize downtime and cut procurement costs.

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China-based rebar frame manufacturer supporting global underground mining & tunneling projects.
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