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  • Threaded Anchor Bolts for Underground Tunnel Arch Support
  • Threaded Anchor Bolts for Underground Tunnel Arch Support
Threaded Anchor Bolts for Underground Tunnel Arch Support
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Threaded Anchor Bolts for Underground Tunnel Arch Support

  • 100 - 499 Sets
    $23
  • >= 500 Sets
    $11

Customization:

Customized packaging（Min.Order: 100 pieces）
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Threaded Anchor Bolts for Underground Tunnel Arch Support

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Structural Support: Designed to reinforce tunnel arches and underground structures through threaded engagement with rock or soil.
  • Penetration & Stability: Helical spiral design allows easy ground penetration and maximizes load-bearing capacity in soft or unstable terrain.

Key features

  • 1. Material Technology

    • With galvanized steel and corrosion-resistant coating, ensure durability in harsh underground environments. ~30% more corrosion-resistant than uncoated anchors [Disclaimer: Based on internal testing; actual results may vary].

  • 2. Interactive Design

    • With a helical spiral design, penetrate ground easily and enhance stability compared to straight-shaft anchors. The spiral pattern increases soil grip for secure fastening in soft or loose terrain.

  • 3. Performance Parameters

    • With metric and inch measurement compatibility, adapt seamlessly to global construction standards, ensuring flexibility for diverse project requirements.

  • 4. Scenario Solutions

    • Designed for underground tunnel arch support, provide reliable stability in soft or loose soil where traditional anchors fail, ideal for demanding commercial and industrial applications.

  • 5. Certification Standards

    • Galvanized finish meets industrial-grade corrosion resistance standards, ensuring long-term durability and compliance with safety regulations for heavy-duty infrastructure projects.

Product details

Threaded Anchor Bolts for Underground Tunnel Arch Support

The Threaded Anchor Bolts for Underground Tunnel Arch Support are engineered for robust structural stability in demanding environments. Constructed from high-strength steel with spiral helical design, these anchors ensure secure ground penetration and load distribution. Available in galvanized or bright uncoated finishes, they cater to diverse applications, from tunnel reinforcement to heavy-duty infrastructure projects.

Technical specifications

FeatureSpecificationBenefit
MaterialCarbon steel (metric/inch systems)Superior strength and compatibility
Surface FinishGalvanized or bright uncoatedCorrosion resistance (galvanized) or raw durability
DesignSpiral helical threads30% faster ground penetration vs. straight shafts
Thread SystemMetric (M) and inch (UNC/UNF) standardsGlobal installation flexibility
Load Capacity50-200 kN (varies by model)Supports heavy structural loads

Customization guide

Adjust thread pitch or coating thickness to match soil conditions (e.g., softer soils require finer threads). Specify length and diameter for custom load requirements.

Get inspired

With a spiral helical design, you can achieve deeper ground penetration and 20% higher pullout resistance than traditional anchors. The galvanized finish ensures longevity in corrosive environments, while metric/inch compatibility simplifies global projects.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Corrosion ResistanceGalvanized (500hr salt spray)Double-layer galvanized (1000hr)Zinc-aluminum alloy (1500hr)*
Max Load Capacity50-100 kN100-150 kN150-200 kN
Thread DesignStandard spiralTapered helicalDiamond-cut helical

Supplier's note

  1. Technical Breakthroughs:

    • Spiral helical threads: Enable 30% faster installation than straight-shaft anchors.
    • Double-layer galvanization: Extends service life by 40% in coastal environments.
    • Diamond-cut helical threads: Reduce soil displacement by 25%, ideal for unstable ground.

  2. Optimal Version Selection:

    • Base Model: Suitable for standard tunnel arch support in non-corrosive soils.
    • Advanced Model: Preferred for heavy machinery foundations in moderate corrosion zones.
    • Pro Model: Designed for extreme conditions (e.g., saltwater tunnels) where triple the industry-standard corrosion resistance ([1500hr salt spray vs. 500hr benchmark]) is critical. Pair its diamond-cut threads with high-strength steel to achieve 200 kN load capacity—ideal for seismic zones.

Frequently asked questions

  • Which model of Threaded Anchor Bolts for Underground Tunnel Arch Support is best suited for corrosive underground environments?

  • How should I clean and store Threaded Anchor Bolts to maintain their durability?

  • Steel vs Alloy: Which material is better for tunnel arch support?

  • Can Threaded Anchor Bolts be customized to metric or inch measurement systems?

  • Are these anchor bolts ASTM certified for structural integrity?

  • How do the spiral designs of Threaded Anchor Bolts enhance stability in soft soil?

  • What are the benefits of galvanized vs bright uncoated finishes for tunnel applications?

  • What is the maximum load capacity of these anchor bolts for tunnel arch support?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Helical Ground AnchorsUnderground tunnel support, soft soilSpiral design (ISO 19872 compliant penetration efficiency)Easy installation in soft soil ▲, 36 ksi steel strength (ASTM A36)Higher cost for galvanized finish (Advanced tier)
Galvanized finish (ASTM A153, 1000+ hours salt spray ▲)Corrosion resistance (Advanced tier) ▲, metric/inch thread compatibilityBright uncoated (Base tier) lacks corrosion protection
Concrete Expansion AnchorsSecuring to concrete floors, light fixturesThreaded rod with expansion sleeve (ASTM F1569)High load capacity (5,000 lbs ISO 13918), cost-effectiveRequires concrete drilling, unsuitable for soft soil
Direct Threaded RodsTemporary supports, low-load applicationsPlain steel rod (ASTM A36), threaded ends (ISO 228-1)Lightweight, easy to installLow corrosion resistance, limited load capacity (1,500 lbs)
Grout-Filled AnchorsHeavy-duty applications, high loadSteel tube with grout (ASTM C478), load capacity 10,000+ lbs (ACI 318)Extremely high load capacity, durableComplex installation, extended curing time (24–48 hrs)
Mechanical AnchorsHard soil, permanent structuresHelical plate design (ASTM A325), load capacity 8,000 lbs (AASHTO M270)No grout needed, high load capacityRequires heavy equipment, higher upfront cost
Chemical AnchorsHigh-strength bonding in concreteEpoxy resin filled (ASTM C881), load capacity 12,000 lbs (ACI 318)Maximum load capacity for concrete applicationsToxic chemicals, long curing time (4–24 hrs), specialized installation

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The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.