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Thrubolt Stud Anchor

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ANCHOR BOLTS – THRUBOLT STUD ANCHORS

Setting a cast-in-place anchor in just the right location can be a daunting task. It’s so difficult, in fact, that post-installed anchors are now becoming the preferred method for attaching wood, steel, and cold-formed steel components to concrete instead of cast-in-place anchors.

Through Bolt EXG II  

For fixing of heavy objects like steel and wood structures, base plates and brackets in concrete.
Has fire resistant classification. High load capacities.
Is supplied assembled.
Letter marked head – easy inspection. 
Through fixing. 
Long Thread – suitable for stand-of fixing. 

ETA approved in option 7 Available in zinc plated steel.
SS A4 available on request
.

Expandet-EXGII-Catalogue

 


Through Bolt BZ 

For fixing of heavy objects like steel & wood structures, base plates and brackets in cracked & non-cracked concrete.

High load capacities.
Supplied as an assembled unit.
Marking of setting depth.
Letter marked head for easy inspection.
Approved in cracked concrete.
Fire resistant.

Available in zinc plated.
SS A4 available on request.

Expandet-Thrubolt-BZ-Catalogue



SPECIAL CONSIDERATIONS

Making the right Anchor Choice for Concrete.

Selecting the correct anchor for an application is not as simple as it may appear. There are actually several factors that affect proper anchor choice, so considering them all is essential.

When choosing a post-installed anchor consider the following main factors.

1. Environmental conditions

Interior exposure only will require low corrosion resistance whereas a sea-front application is a severe case requiring high corrosion resistance with other applications falling between these extremes.

2. Building code requirements

Local regulations relating to structural loads will influence the selection of anchor. For example, in case of earthquake regions, anchors suitable for cracked concrete must be considered.

3. Substrates (what is the anchor being installed into)

 

 

The material into which the anchor is being installed into is known as the substrate and includes concrete, lightweight concrete, brick etc.

The manufacturer’s catalogue will have a product selection guide indicating which anchors are most suitable for different substrates.

 

 

 

 

4. Anchor configurations

Factors to consider here include how close the anchors will be placed to the edge of the concrete, spacing between anchors, thickness of substrate etc.

Non expansion anchors such as Multi-Monti and Injection Mortar are better suited for close to edge fixing.

Thickness of the concrete should also not be overlooked. The Drop in Anchors are better suited for shallow substrates.

5. Anchor capacities

For thicker concrete, adhesive anchors will often have better capacity.

 

You can utilise the design software of the manufacturer to help in selection in this respect.

 

 

 


6. Jobsite obstacles that may hamper installation

This is something that may be difficult to predict or control. Consider the following.

Who will perform the installation?

Will the holes be drilled properly?

Are the different workmen able to ensure correct alignment?

Is a qualified supervisor going to be present during installation?

Will suitable installation equipment be available?

Are there any hindrances to proper installation?

 

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