Papers by Keyword: Seismic Monitoring

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Authors: Gabriela Maria Atanasiu, N. Curcudel
Abstract: This paper presents the computational methodology for monitoring the performance of a damaged structure, this taking account of the deterioration revealed during the quality inspection aimed at ensuring the seismic serviceability. Several models have been considered in the analysis, the non-damaged and respectively damaged shear-wall structure in order to determine the degree of serviceability, the strength and stability of this edifice. The performance of the final proposed model after considering the rehabilitation is analyzed comparatively to the new and damaged structural model.
Authors: Raffaello Bartelletti, Gabriele Fiorentino, Giuseppe Lanzo, Davide Lavorato, Giuseppe Carlo Marano, Giorgio Monti, Camillo Nuti, Giuseppe Quaranta, Nunziante Squeglia
Abstract: Understanding the structural behavior of heritage buildings is usually a very complicated task because they typically present complex deterioration and damage patterns which cannot be fully evaluated by means of visual inspections. Moreover, the reliability of such constructions largely depends on different materials, structural components and details, the health of which is often unknown or affected by great uncertainties. In this regard, the experimental dynamic testing of heritage buildings and monuments subjected to ambient vibrations has become a valuable tool for their assessment because of the minimum interference with the structure. Traffic-induced vibrations are not always a feasible dynamic load for monumental buildings due to their very low intensity or owing to existing restrictions to road and rail traffic. On the other hand, the analysis of the experimental response under earthquakes can lead to more relevant information about the dynamic behavior of historic constructions, provided that the structure is equipped with a permanent sensor network. Within this framework, the present work illustrates preliminary results carried out from time and frequency domain analyses performed on the experimental dynamic response of the leaning tower of Pisa using seismic records. The main dynamic features of the monument have been identified, and then examined taking into account the seismic input and the soil-foundation-structure interaction.
Authors: Hui Sun, Lin Jing Xiao, Shu Qing Wang
Abstract: The new-type networking and intelligent safety bed aiming at quakeproof and anti-violence is studied and designed. This Safety Bed includes the high precision seismograph, the pneumatic system, the Double-wing-typed Closed Mechanism, controlling system and so on. It can protect user from the danger from the earthquake and violence. The networking control system designed can interface with the Internet which combines the manufacturer-user service system with the Safety Bed in the world to offer the service online. The correlation technique can be applied in the seismic monitoring at home and hotel, in the home intelligent early-warning, in the intelligent anti-violence, and so on.
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