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Seismic analysis of the large 70-meter antenna, part 1: Earthquake response spectra versus full transient analysis (1985)

Chian, C. T. ; Kiedron, K.

In: CASI

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Publication Date: 2006-02-14

Description: As a check on structure safety aspects, two approaches in seismic analysis for the large 70-m antennas are presented. The first approach, commonly used by civil engineers, utilizes known recommended design response spectra. The second approach, which is the full transient analysis, is versatile and applicable not only to earthquake loading but also to other dynamic forcing functions. The results obtained at the fundamental structural frequency show that the two approaches are in good agreement with each other and both approaches show a safe design. The results also confirm past 64-m antenna seismic studies done by the Caltech Seismology Staff.

Keywords: GEOPHYSICS

Type: The Telecommun. and Data Acquisition Progr. Rept.; p 31-42

Format: text

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