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Anchor Fixing

Anchoring & fixing — Rebar, bolts and base plates into concrete. Show 4 products ↓

  1. Step 1 (completed)Anchoring & fixing
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Problem
Anchoring & fixing
Location
Any
Products
4
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How it happens

How anchors and fixings fail

Open the diagram full sizeHow anchors and fixings fail: The load pulls the anchor out of the concrete. If the hole is dusty or wet, the resin does not bond and the anchor slides out. Otherwise the concrete itself breaks out in a cone around the anchor. An anchor too close to an edge or too shallow has a smaller cone and fails at a lower load.
Problem Schematic, not to scale

What goes wrong

  1. A: The load pulls the anchor out of the concrete.
  2. B: If the hole is dusty or wet, the resin does not bond and the anchor slides out.
  3. C: Otherwise the concrete itself breaks out in a cone around the anchor.
  4. D: An anchor too close to an edge or too shallow has a smaller cone and fails at a lower load.

How it is fixed

Drill, then clean the hole thoroughly, inject a resin anchor rated for the job and respect the embedment, edge distance and curing time given by the manufacturer. A structural engineer designs anchors for loads. See the anchoring guide below.

Products for this problem

Matching products (4)

Sika AnchorFix®-2

Sika AnchorFix®-2

Sika Confirm availability

Why: Sika AnchorFix®-2 may only be used by experienced professionals. As a fast curing anchoring adhesive for all grades of: Rebars / reinforcing steel, Threaded rods, Bolts and special fastening systems In the following substrates:. (TDS p.1)

  • Fast curing
  • Standard guns can be used
  • High load capacity
Surfaces
concrete · masonry · mortar · steel/metal · natural stone
System
Rebar & Anchor Installation
Sika AnchorFix®-3+

Sika AnchorFix®-3+

Sika Confirm availability

Why: Sika AnchorFix®-3+ may only be used by experienced professionals. For the fixing of non-expanding anchors in the following: Structural work: Rebar / steel reinforcement anchoring in new and refurbishment works, Threaded rods, Bolts and special fastening / fixing systems. (TDS p.1)

  • Long Open Time
  • Can be used in damp concrete
  • High load capacity
Surfaces
concrete · masonry · mortar · steel/metal · wood/timber
System
Rebar & Anchor Installation

Product facts on these cards are taken from the manufacturer data sheets (page cited on each card) and are being reviewed by our technical team. Always check the data sheet before use.

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