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Assessment of Residual Service Life for the Residential Buildings under Systematical Industrial Explosions
Report deals with issue of the experimental and theoretical assessment of residual service life of reinforced concrete (RC) structures of residential buildings due to permanent acting weak earthquakes in some Ukrainian cities. The recorded values of vibration acceleration in building bases are in diapason from 2,4 cm/s $^{\mathbf{2}}$ to 64 cm/s $^{\mathbf{2}}$ when explosion and the values of soil vibration velocity are in diapason from 0,03 cm/s to 1,2 cm/s. It is corresponding to 1 – 4 earthquake magnitude on the Richter scale when explosion works. Analysis of soil acceleration specters when passing of impact waves under buildings has permitted to specify the predominate frequencies in diapason 1–48 Hz. This fact confirms a possibility of the building structures oscillation (floors, walls etc.) in regime close to resonance regime. The soil acceleration should be restricted by value 15 cm/s $^{\mathbf{2}}$ for prevention of building foundation settlements when explosions. We took in account not only the limitation on physical and mechanical behavior of construction materials but also the systematic seismic actions and other irremovable risk factors at assessment of residual service life of the building RC concrete structures.
Assessment of Residual Service Life for the Residential Buildings under Systematical Industrial Explosions
Report deals with issue of the experimental and theoretical assessment of residual service life of reinforced concrete (RC) structures of residential buildings due to permanent acting weak earthquakes in some Ukrainian cities. The recorded values of vibration acceleration in building bases are in diapason from 2,4 cm/s $^{\mathbf{2}}$ to 64 cm/s $^{\mathbf{2}}$ when explosion and the values of soil vibration velocity are in diapason from 0,03 cm/s to 1,2 cm/s. It is corresponding to 1 – 4 earthquake magnitude on the Richter scale when explosion works. Analysis of soil acceleration specters when passing of impact waves under buildings has permitted to specify the predominate frequencies in diapason 1–48 Hz. This fact confirms a possibility of the building structures oscillation (floors, walls etc.) in regime close to resonance regime. The soil acceleration should be restricted by value 15 cm/s $^{\mathbf{2}}$ for prevention of building foundation settlements when explosions. We took in account not only the limitation on physical and mechanical behavior of construction materials but also the systematic seismic actions and other irremovable risk factors at assessment of residual service life of the building RC concrete structures.
Assessment of Residual Service Life for the Residential Buildings under Systematical Industrial Explosions
Kaliukh, Iurii (author) / Ivan, Syvko (author) / Krystyna, Chorna (author) / Viktor, Shokarev (author) / Ievgen, Shokarev (author) / Andrii, Shokarev (author)
2020-10-05
364215 byte
Conference paper
Electronic Resource
English
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