jaunty 发表于 2025-3-26 22:08:37

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Mets552 发表于 2025-3-27 04:04:45

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职业拳击手 发表于 2025-3-27 08:46:32

Reliability of Response Spectrum Curves at Low Frequency Region in Romania), fault directivity, site effects, and so on. Actually, all this factors decrease the reliability of the spectral ordinates at low frequencies and need to be carefully evaluated. Besides they are important in assessing the seismic performance of base-isolated structures at high risk cond

厨房里面 发表于 2025-3-27 12:38:18

A Note on Empirical Site Responses in Bucharest, Romaniaquakes by the new K2 network corroborate that the high frequency peak ground accelerations (PGA) may differ up to 2–3 times in downtown Bucharest. However, lowpass filtering with a corner frequency of 1Hz reduces these differences from several 100% to about ±15%, thus confirming the almost constant

头盔 发表于 2025-3-27 14:22:29

Dynamic Behaviour of High Damping Rubber Bearings for Building Seismic Isolationever, this concept may lead to a very high interstory drift, causing P-Δ effects and damage to non-structural elements. Thus, the costs for retrofitting or strengthening after a strong earthquake can be very high. An alternative approach consists in isolating the structure base from the ground by us

谦卑 发表于 2025-3-27 19:40:28

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Psychogenic 发表于 2025-3-27 22:26:37

Klaus-Peter Bonjer,Mihnea-Corneliu Oncescu,Lynda Driad,Mihaela Rizescu

ABASH 发表于 2025-3-28 02:28:19

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漫步 发表于 2025-3-28 09:22:44

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milligram 发表于 2025-3-28 10:57:53

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查看完整版本: Titlebook: Vrancea Earthquakes: Tectonics, Hazard and Risk Mitigation; Contributions from t F. Wenzel,D. Lungu,O. Novak Book 1999 Springer Science+Bus