Costică ATANASIU


32-53 ȘCOALA DE REZISTENȚA MATERIALELOR DIN UNIVERSITATEA POLITEHNICA DIN BUCUREȘTI

SCHOOL OF STRENGTH OF MATERIALS FROM POLYTECHNIC UNIVERSITY OF BUCHAREST

 

Strength of Materials School of the Polytechnic University of Bucharest has a history of nearly 150 years attested. The paper presents the steps taken by the Strength of Materials School, closely related to evolution University, personalities that contributed to the formation and development of this school, the laboratory created and its involvement in solving of problems in economy and priority directions in research.

The conclusions of the paper highlight the conditions in which it forms a school for it to persist and grow.

 

Keywords: strength of materials, stability of construction, engineering school, electrical strain gauge technique, vibrations

Cuvinte cheie: rezistenţa materialelor, stabilitatea construcţiilor, şcoală de inginerie, tensometrie electrică, vibraţii

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27-62 CLAUDE NAVIER – 230 DE ANI DE LA NAŞTERE

CLAUDE NAVIER – 230 YEARS SINCE HIS BIRTH
In this paper are presented aspects from the technical, didactical and scientifically activity of the most representative personality of the domain of Strength of Materials which even today constitutes a beacon in the development of this engineering domain. Navier has extremely important contributions to the substantiation of the Theory of Elasticity and the development of the Strength of Materials. By theoretical and practical research Navier established the basis for the calculations for resistance and rigidity of straight or curved bars, statically determinate or statically indeterminate. For plane plates Navier established the differential equation of the median deformed and studied behaviour for vibrations.
Keywords: neutral axis, suspension bridge, strength of materials, tension
Cuvinte cheie: axa neutră, pod suspendat, rezistența materialelor, tensiune

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