Vibration characteristics of an APS lab facility in Building 401

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Description

The vibratory behavior of a lab facility located in Building 401 of the Advanced Photon Source site at Argonne National Laboratory is summarized. Measurements of ambient vibration indicate that acceptable displacement levels are usually maintained (rms value below 0.1 microns) for the measured frequency range, above 0.2 Hz. An exception occurs when strong wind conditions excite a horizontal building resonance near 1.85 Hz to rms levels as high as 0.3 microns. Measurements of the laboratory floor`s dynamic response to directly applied force excitation agree with theoretical predictions. The primary component of the floor construction is a reinforced concrete slab. The ... continued below

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18 p.

Creation Information

Royston, T.J. January 1, 1998.

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Description

The vibratory behavior of a lab facility located in Building 401 of the Advanced Photon Source site at Argonne National Laboratory is summarized. Measurements of ambient vibration indicate that acceptable displacement levels are usually maintained (rms value below 0.1 microns) for the measured frequency range, above 0.2 Hz. An exception occurs when strong wind conditions excite a horizontal building resonance near 1.85 Hz to rms levels as high as 0.3 microns. Measurements of the laboratory floor`s dynamic response to directly applied force excitation agree with theoretical predictions. The primary component of the floor construction is a reinforced concrete slab. The slab has a transverse fundamental resonant frequency of 18.5 Hz and an associated damping level of roughly 8.5% of critical. It is also shown via experimental measurements that the linoleum surface adhered to the concrete slab is far more compliant than the slab itself and can significantly influence the floor`s dynamic response to local excitations.

Physical Description

18 p.

Notes

INIS; OSTI as DE98001923

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  • Other Information: PBD: [1998]

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  • Other: DE98001923
  • Report No.: LS--263(ANL)
  • Grant Number: W-31109-ENG-38
  • DOI: 10.2172/564271 | External Link
  • Office of Scientific & Technical Information Report Number: 564271
  • Archival Resource Key: ark:/67531/metadc697510

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Creation Date

  • January 1, 1998

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Dec. 16, 2015, 4:51 p.m.

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Royston, T.J. Vibration characteristics of an APS lab facility in Building 401, report, January 1, 1998; Illinois. (digital.library.unt.edu/ark:/67531/metadc697510/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.