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Rolling Shutter Fixing Detail with RCC Beam

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Rolling Shutter Fixing Detail with RCC Beam

Rolling shutters are often used in commercial, industrial, and residential buildings for security and ease of operation. Fixing a rolling shutter to an RCC beam requires precise detailing to ensure stability, durability, and proper functionality.

1. Components of Rolling Shutter Fixing

  1. RCC Beam:
    • Acts as the primary structural support for the rolling shutter assembly.
    • Designed to carry the weight of the shutter and any operational loads.
  2. Rolling Shutter Components:
    • Shutter Curtain: Made of galvanized steel, aluminum, or stainless steel.
    • Barrel/Drum: A circular shaft around which the shutter rolls.
    • End Brackets: Steel brackets to hold the barrel.
    • Side Guides: Channels installed on both sides to guide the shutter curtain.
    • Bottom Rail: Reinforced edge for smooth operation.
  3. Fixing Accessories:
    • Anchor bolts.
    • Plates or clamps.
    • Fasteners (nuts and bolts).
    • Shutter box (optional, for aesthetics).

D:\Website\Project papers & books References\rolling shutter detail\rolling shutter plan.jpg

D:\Website\Project papers & books References\rolling shutter detail\rolling shutter.jpg

2. Fixing Method

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a. Preparation

  1. RCC Beam Design:
    • The beam should be designed to carry the rolling shutter’s weight and operational load.
    • Typical beam dimensions: 150 mm width x 230 mm depth (or as per structural requirements).
  2. Embedded Inserts:
    • Install anchor bolts or embedded plates during the beam casting stage to secure the shutter frame.

b. Fixing the Shutter

  1. Install End Brackets:
    • Fix the end brackets to the RCC beam using anchor bolts or embedded plates.
    • Use M12 or M16 anchor bolts for heavy-duty shutters.
    • Ensure alignment for smooth rotation of the barrel.
  2. Attach the Barrel/Drum:
    • Mount the barrel on the end brackets.
    • Ensure it is level and rotates freely.
  3. Install Side Guides:
    • Fix the vertical side guides to the wall or column adjacent to the shutter opening.
    • Ensure guides are plumb and aligned with the barrel.
  4. Fix the Shutter Curtain:
    • Attach the curtain to the barrel and check for smooth operation.
    • Install the bottom rail for added stability.
  5. Optional Shutter Box:
    • Install a shutter box or cover to protect the rolling mechanism from dust and weather.

3. Typical Rolling Shutter Fixing Details

  1. Beam-to-Bracket Connection:
    • Use anchor bolts (expansion or chemical) to secure the end brackets to the RCC beam.
    • Spacing: Typically 100–150 mm from the edges.
  2. Shutter Curtain-to-Barrel Connection:
    • Secure the curtain to the barrel using clamps or rivets.
    • Ensure balanced tension for smooth rolling.
  3. Guide Channel Fixing:
    • Fix side guides to adjacent walls or vertical columns using fasteners.
    • Provide a gap of 5–10 mm between the curtain and the guides to prevent jamming.
  4. Clearance:
    • Maintain a clearance of 50–75 mm between the beam and the barrel to avoid friction.

4. Reinforcement and Structural Requirements

  1. RCC Beam Reinforcement:
    • Longitudinal reinforcement: 12–16 mm dia bars.
    • Stirrups: 8 mm dia @ 150 mm c/c.
  2. Load Transfer:
    • The beam should transfer the shutter’s load safely to adjacent columns or walls.

5. Finishing

  • Apply a protective coating (e.g., paint or galvanization) to prevent corrosion.
  • Seal gaps around the shutter frame with weatherproofing material.

6. Standards and Codes

  1. IS 456:2000: For RCC beam design.
  2. NBC (National Building Code of India): For fixing details and safety standards.
  3. IS 6248: Indian standard for rolling shutters.
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