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10. Torque control
Torque application is generally the last step in anchor installation. It's a criterion that's hard to feel and easy to overlook.
However, when it comes to fastening, applying the right torque is very important. If a plug is not installed with the correct torque, problems can arise.
According to work by Fabien Delhomme , insufficient or excessive tightening is the second most common cause of anchor-related disorders.
To ensure correct installation, manufacturers have developed tools for tightening plugs to the correct torque. The examples below...
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Bibliography
Standards and norms
- Concrete – Specification, performance, production and compliance – National supplement to standard NF EN 206, AFNOR - NF EN 206/CN - Décembre 2014.8
- Chevilles à scellement par injection pour maçonnerie, EOTA - ETAG 029 - 2013
- Mechanical properties of carbon and alloy steel fasteners – Part 2: Nuts of specified quality classes – Coarse and fine threads, AFNOR - NF EN ISO 898-2 - 2012
- Eurocode 0 :...
Regulations
Arrêté du 22 octobre 2010 relative à la classification et aux règles de construction parasismique applicables aux bâtiments de la classe dite " à risque normal
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