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Vibrations



Definition

A vibration gives a body (or several bodies) an oscillatory movement around a reference position (often a balanced position).

Challenges

The mechanical vibrations emitted into the environment by classified installations for environmental protection can cause a problem for the protection of local residents (building safety and impact on the occupants of these buildings).
The legislation on classified installations defines by “building”:

Method to evaluate vibration effects

The effects of mechanical vibrations on buildings include:

The Circular of 23 July 1986 relative to the mechanical vibrations emitted into the environment by classified installations for environmental protection, aims at harmonising these resources and methods and establishing standards to prevent inconveniences to individuals or building damage. It determines vibratory limit thresholds as well as a measurement method.

Legislation

Circular of 23 July 1986 relative to the mechanical vibrations emitted into the environment by classified installations for environmental protection. This Circular is enforced by numerous ministerial orders.