GB/T 23717.1-2009
Mechanical vibration and shock.Vibration and shock in buildings with sensitive equipment.Part 1:Measurement and evaluation (English Version)
- Standard No.
- GB/T 23717.1-2009
- Language
- Chinese, Available in English version
- Release Date
- 2009
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 23717.1-2009
- Scope
- This part of GB/T 23717 defines the methods for the measurement, analysis and calculation of buildings containing vibration- and shock-sensitive equipment, and the preparation of vibration and shock data reports. There are evaluations of buildings. When the vibration to be evaluated involves the standards and general vibration standards adopted by the manufacturer, it is necessary to obtain accurate vibration data, analysis methods and adopt a unified method of report writing. See IEC 60721 for expected vibration levels and IEC 60068 for equipment testing procedures. The types of vibration and shock considered include effects transmitted from floors, tables, walls, ceilings, or isolated systems to equipment components, without explicitly considering the shock and vibration responses of individual mechanical or electronic parts within the component. Types of precision equipment include (but are not limited to the following): a) stationary computer systems, including peripheral equipment; b) stationary communication equipment; c) stationary test equipment, such as electron microscopes, equipment using scanning detection techniques, application Biological instruments, mass spectrometers, etc.; d) High-precision mechanical instruments (tools), such as microelectronics production equipment; e) High-precision optical instruments, re-imaging systems; f) Electromechanical systems in rail transit control centers; g) (When fire invades ) safety equipment, access control equipment. The types of vibration and shock considered in this standard are caused by: -- external sources of vibration, such as traffic (road, rail or aviation) or building and construction activities of buildings (blasting, piling and vibration compaction), also including weather Vibration caused by causes and vibration responses caused by sound roar and acoustic excitation; -- equipment used indoors, such as punch presses, forging hammers, rotating equipment (air compressors, air conditioning systems, etc.) and heavy equipment transported or operated in buildings equipment; --personnel activities related to maintenance and operation of equipment, such as people walking, especially on raised floors.This part does not directly measure and evaluate the impact of vibration and shock on precision instruments in buildings. Consider the influence of human operators when observing, operating and maintaining the instrument. See GB/T 13441 for the vibration impact of personnel activities. Usually the frequency range of concern is 2 Hz~200 Hz. The general characteristic frequency is less than 100 Hz, because It represents the response of various elements in the building. When there is a special purpose, other frequency ranges can be selected, and the value of the frequency range can be changed accordingly. The amplitude and duration mainly depend on the distance between the vibration source and the precision instrument and The response of various elements (including precision instruments) in the building. When reflected in the vibration velocity, the range considered is between 0.001 mm/s and 10 mm/s. This part only involves the concept of the maximum vibration amplitude, not the vibration Other quantitative concepts (such as estimation of fatigue life, etc.).
GB/T 23717.1-2009 Referenced Document
- GB/T 14412 Mechanical vibration and shock.Mechanical mounting of accelerometers
GB/T 23717.1-2009 history
- 2009 GB/T 23717.1-2009 Mechanical vibration and shock.Vibration and shock in buildings with sensitive equipment.Part 1:Measurement and evaluation
