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CT Bolt
CT Bolt
CT Bolt

CT Bolt

CT bolt most likely refers to cable-supported or combination tension bolts, a type of rock bolt used in underground mining and tunneling for ground support. These bolts combine features of both a point anchor and a fully grouted rock bolt, providing immediate support and long-term stability. Another possibility is tension control bolts (TC bolts or SC bolts), which are used for high-strength steel-to-steel connections in structural applications.

Here’s a more detailed breakdown:

1. CT Bolts (Cable-Supported/Combination Tension Bolts):

  • Purpose:
  • Used in underground excavations to reinforce rock and prevent collapses in mines, tunnels, and other subterranean structures.

  • Mechanism:
  • They incorporate a combination of immediate point anchorage (often with an expansion shell) and a fully grouted section, providing both immediate and long-term support.

  • Installation:
  • Typically installed in pre-drilled holes, with the expansion shell anchoring the bolt initially and grout used to fill the remaining space for permanent support.

  • Key Features:
  • Immediate support, long-term stability, corrosion resistance (especially when grouted), and suitability for various ground conditions.

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    Description

    2. Tension Control Bolts (TC/SC Bolts):

  • Purpose:
  • Used in high-strength steel structures for connections requiring specific clamping forces to prevent slippage between connected surfaces.

  • Mechanism:
  • The bolt’s head and a spline on the shank are engaged by a specialized wrench, allowing for controlled tensioning and ensuring proper clamping force.

  • Installation:
  • Require specific tools (tension control wrenches) for proper installation and tightening.

  • Key Features:
  • Controlled tensioning, high strength, and suitability for critical connections in steel structures.In summary, while both types of bolts are called “CT” or “SC” (or TC), they have distinct applications:

  • CT bolts
  • are for ground support in underground construction, combining immediate and long-term reinforcement.

  • TC/SC bolts
  • are for high-strength connections in steel structures, relying on controlled tensioning for stability.

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    Shakti Industries

    We, SHAKTI INDUSTRIES, have become a prominent Manufacturer and Supplier of non corrosive array of Foundation Bolts, Rock Bolt and Pre Fabricated Structures.

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