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Table 2 Natural frequency of vibration for Ben Ezra Synagogue soil, basement and structure

From: Geotechnical and geophysical investigation techniques in Ben Ezra Synagogue in Old Cairo area, Egypt

Floor Fundamental resonance frequency (HZ) Amplification factor
Soil ……….. ………
Basement ——– ——–
Roof 7, 8, 9 6–8–10