Demso Diamond Drilling and Sawing

Anchor Fixing & Testing

Chemical and mechanical anchor installation, plus pull testing to 145kN with a full report on every fixing.

Specifications

Threaded stud
M4 to M30
Rebar
6mm to 22mm
Maximum test load
145kN
Equipment
HYDRAJAWS 2000 and 2008

Other Services

About anchor fixing & testing

Our operatives are fully trained in chemical and mechanical anchor fixing installation. That lets DEMSO undertake a variety of contracts, from fixing anchor bolts for steelwork and tower cranes, to the lifting points we regularly use for cut and lift operations in demolition.

Chemical anchor systems use a resin-based adhesive to bond steel studs, bolts and anchors into a substrate material, usually concrete or brick, in many cases creating a bond stronger than the substrate itself. Because this is a chemical adhesion, no load stress is imparted on the base material, which makes it an ideal method for materials of unknown quality.

Pull testing

As well as installing chemical and mechanical fixings, DEMSO can carry out pull testing of the fixtures and fixings found in construction, using our HYDRAJAWS 2000 medium duty and 2008 heavy duty pull testers.

The HYDRAJAWS systems let us test from M4 up to M30 threaded stud, and from 6mm up to 22mm rebar, to a maximum load of 145kN.

On completion of each test we provide a comprehensive report detailing the pull loads applied and the maximum weight each fixing held. If any fixings fail, our operatives can extract, replace and retest them.

Remedial wall ties and helifixing

We can also carry out remedial wall ties, or helifixing as it is commonly known. This is a form of stitching walls together, often used for weakened structures or where standard wall ties are missing.

Small holes are drilled along the structure in pre-determined locations and a self-tapping helical bar is inserted into each one, forming a bond between the two structures. These can also be chemically fixed if the structure is not suitable for mechanical fixing alone, and they can be pull tested if required.

Talk to us about your project

Tell us what needs cutting, drilling or removing, and we will tell you the right method for it.