Vibration Isolators And Flexible Couplers

If the noise transmission path is structure-borne in character, vibration isolators in the form of resilient mountings, flexible couplers, or structural breaks or discontinuities should be interposed between the noise source and receiver. For example, string mounts placed under a machine can prevent the floor from vibration, or an expansion joint cut along the outer edge of a floor in a mechanical equipment room can reduce the amount of vibration transmitted to the structural frame or walls of a building. These measures are shown in Figures 6.7.5 and 6.7.6; several often-used procedures, in Figure 6.7.7.

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