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Micro-tremor measurements were conducted at the Parthenon Athens, which has survived for 25 centuries against earthquakes, in order to understand the fundamental dynamic characteristics of its colonnades. As the fundamental characteristics, their natural frequencies in both in-plane and out-of plane directions were evaluated. The observed natural frequencies were compared with those of the past study presented in STREMA89. Earthquake monitoring equipment was installed at the Parthenon to study the seismic performance.

Natural frequencies of the colonnades of the Parthenon Athens at micro tremor level