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  2. Ground vibrations - Wikipedia

    en.wikipedia.org/wiki/Ground_vibrations

    The main sources of ground vibrations at construction are pile driving, dynamic compaction, blasting, and operation of heavy construction equipment. These vibrations may harmfully affect surrounding buildings, and their effect ranges from disturbance of residents to visible structural damage.

  3. Control of Vibration at Work Regulations 2005 - Wikipedia

    en.wikipedia.org/wiki/Control_of_Vibration_at...

    The values are therefore written as A(8). The rate of vibration of a tool or piece of machinery is then measured in metres (m) per second (s) and written as m/s². [9] In order to help employers calculate the exposure levels using the formula, the Health and Safety executive created an exposure calculator. [10]

  4. Air Movement and Control Association - Wikipedia

    en.wikipedia.org/wiki/Air_Movement_and_Control...

    ANSI/AMCA Standard 204 - Balance Quality and Vibration Levels for Fans addresses the subjects of fan balance and vibration. It defines appropriate fan balance quality and operating vibration levels to those who specify, manufacture, use, and maintain fan equipment.

  5. NIOSH Power Tools Database - Wikipedia

    en.wikipedia.org/wiki/NIOSH_Power_Tools_Database

    Calibration of testing equipment is performed before tests begin. Tests are conducted in a semi-anechoic chamber with a test setup that includes a ten-microphone array and an accelerometer. In the case of testing power tools in the unloaded condition, the tool is suspended by cables and set to operate at full speed.

  6. Condition monitoring - Wikipedia

    en.wikipedia.org/wiki/Condition_monitoring

    The level of vibration can be compared with historical baseline values such as former start ups and shutdowns, and in some cases established standards such as load changes, to assess the severity. Machinery and parts OEM also define vibration limits based on the machine design or of the internal parts, e.g. fault frequencies of bearings.

  7. Vibration isolation - Wikipedia

    en.wikipedia.org/wiki/Vibration_isolation

    Vibration isolation is the prevention of transmission of vibration from one component of a system to others parts of the same system, as in buildings or mechanical systems. [1] Vibration is undesirable in many domains, primarily engineered systems and habitable spaces, and methods have been developed to prevent the transfer of vibration to such ...

  8. Hand arm vibrations - Wikipedia

    en.wikipedia.org/wiki/Hand_arm_vibrations

    In occupational safety and health, hand arm vibrations (HAVs) are a specific type of occupational hazard which can lead to hand–arm vibration syndrome (HAVS). HAVS, also known as vibration white finger (VWF) or dead finger, [1] is a secondary form of Raynaud's syndrome, an industrial injury triggered by continuous use of vibrating hand-held ...

  9. Vibration - Wikipedia

    en.wikipedia.org/wiki/Vibration

    Vibration (from Latin vibrāre 'to shake') is a mechanical phenomenon whereby oscillations occur about an equilibrium point.Vibration may be deterministic if the oscillations can be characterised precisely (e.g. the periodic motion of a pendulum), or random if the oscillations can only be analysed statistically (e.g. the movement of a tire on a gravel road).

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