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This part of ISO/TS 10811 defines methods of measurement, algorithms for analysis and the report of shock and

vibration data for equipment in buildings which is sensitive to shock and vibration. The methods are applicable to

the quantification of a future installation or the verification of an existing one.

Accurate vibration data acquisition, analysis and uniform reporting methods are needed to evaluate vibration

relative to manufacturers' and generic vibration criteria. Expected levels of vibration can be found in IEC 60721.

Procedures for testing of equipment can be found in IEC 60068.

NOTE A classification system of environmental vibration conditions established from measurements according to this part

of ISO/TS 10811 should serve as guidelines for designers, manufacturers and users of shock-and-vibration-sensitive equipment

and for building constructors (see ISO/TS 10811-2).

The types of shock and vibration considered are those transmitted from floors, tables, walls, ceilings or isolation

systems into an equipment unit. The vibration and shock response of individual mechanical or electronic parts

inside the unit are not considered explicitly.

The types of sensitive equipment envisaged include, but are not limited to, the following:

a) stationary computer systems, including the peripherals;

b) stationary telecommunication equipment;

c) stationary laboratory equipment such as electron microscopes, equipment using scanning probe methods,

biotechnical instrumentation, mass spectrometers, etc.;

d) mechanical high-precision instruments (tools) such as equipment for microelectronics production;

e) optical high-precision instruments, systems for photoreproduction;

f) electromechanical systems in traffic control centres for trains;

g) security equipment (fire intrusion) and equipment for access control.

The types of shock and vibration considered herein can be generated by the following:

_ external sources, for example traffic (by road, rail or air), or building and construction activities such as

blasting, piling and vibratory compaction; the vibration response to sonic booms and acoustical excitations is

also included as well as weather-induced vibration;

_ equipment for indoor use, such as punch presses, forging hammers, rotary equipment (air compressors, air

conditioner systems, etc.) and heavy equipment transported or operated inside a building;

_ human activities in connection with the service or operation of the equipment, for example, people walking,

especially on raised floors.

The measurement and evaluation of shock and vibration effects on sensitive equipment in buildings covered in this

part of ISO/TS 10811 does not directly consider the human operators' capability to observe, operate or maintain

the equipment. For vibration effects on human beings, see ISO 2631.

The frequency range of interest is normally 2 Hz to 200 Hz. Normally the dominant frequencies are less than

100 Hz because they represent the response of the elements in the building. For special purposes, another

frequency range may be used and the numbers referring to frequency range should be changed accordingly.

The vibration amplitude and duration depend mainly upon the source, its distance from sensitive equipment, and

the response of the elements of the building containing the sensitive equipment. Expressed in terms of vibration

velocity, the values to consider are in the range 0,001 mm/s to 10 mm/s.

This part of ISO/TS 10811 deals only with vibration from a maximum amplitude point of view. The concept of

vibration dose (e.g. estimation of fatigue life) is not treated.


Общая информация

  • Текущий статус :  Published
    Дата публикации : 2000-06
  • Версия : 1
  • :
    ISO/TC 108/SC 2
    Measurement and evaluation of mechanical vibration and shock as applied to machines, vehicles and structures
  • 17.160
    Vibrations, shock and vibration measurements
    91.120.25
    Seismic and vibration protection

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Изменения / Исправления

  • Подтверждено
    ISO/TS 10811-1:2000

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