Strain Measurements and Monitoring of Constructions
Results of analysis of recent accidents in public buildings are presented. It is shown that construction state identification systems are integral part of public and local warning and security systems. This system is highly flexible and can cover system of a separate structure, and also can be expanded to group of structures (houses, bridges, etc.) or to systems of identification of the whole city. Structure of construction state identification system is proposed and analysed. It is established that in order to ensure wide usage of such systems it is necessary to solve some scientific problems. Solution for multipoint measurement of strain as one of the most important parameter for construction state identification is proposed. It is shown that measurements of strain by using closed-loop self-balancing system ensure necessary resolution with high accuracy and can be used in multipoint measurements. It is possible to increase amount of points of measurement by easily adding additional measuring blocks. These blocks are well integrated into the suggested system of identification. Ill. 2, bibl. 4 (in English; summaries in English, Russian and Lithuanian).
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