Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Polidor BRATU"'
Publikováno v:
Buildings, Vol 14, Iss 10, p 3099 (2024)
This technical study on strengthening a five-story building in Bucharest, a city known for its high seismic activity in Europe, required implementing a base-isolation system as part of the rehabilitation solution. The main challenge was assembling th
Externí odkaz:
https://doaj.org/article/5350518ed874466aab1b7fddf1f4171b
Publikováno v:
Buildings, Vol 14, Iss 8, p 2422 (2024)
(1) Background: Romanian earthquakes caused severe damage over time to a significant number of constructions, and that is why efforts are being made to make structural systems safer. (2) Methods: For structural systems with protection against seismic
Externí odkaz:
https://doaj.org/article/6acc5c93c4654c04acd0cc7b9b8616a9
Publikováno v:
Buildings, Vol 13, Iss 11, p 2837 (2023)
This paper presents results obtained for the vibratory compaction process of road structures, in which the natural soil is used for the foundation infrastructure. The experiments and the optimization of the compaction process were carried out on five
Externí odkaz:
https://doaj.org/article/75accdf9a26049208510004fcf608f70
Autor:
Calin Itu, Polidor Bratu, Nicusor Dragan, Adrian Goanță, George Lucian Nicolae, Marilena Cristina Nițu, Paul Nicolae Borza, Sorin Vlase
Publikováno v:
Mathematics, Vol 10, Iss 12, p 2104 (2022)
Previous studies on the vibrational behavior of the inertial platform installed at ELI-NP, in Magurele-Bucharest have reported eigenfrequencies in the domain in which excitations can occur from earthquakes which manifests itself periodically in this
Externí odkaz:
https://doaj.org/article/e9f689e54617474e86f81851d411a6eb
Publikováno v:
Symmetry, Vol 14, Iss 6, p 1238 (2022)
Vibrating technological equipment for the introduction of piles and columns into the ground of construction foundations (named vibratory piling machines) is crucial in the process of building stable and resilient foundations for civil engineering, hy
Externí odkaz:
https://doaj.org/article/3d16194103ff4ea68a4dcd09b400a155
Autor:
Polidor Bratu, Adrian Mihai Goanta, Nicusor Dragan, Sorin Vlase, Calin Itu, George Lucian Nicolae, Samir Iacovescu
Publikováno v:
Symmetry, Vol 14, Iss 4, p 831 (2022)
This paper aims to study the vibration of the large inertial platform from the Laser + Gamma building that is part of the ELI-NP project. In order to ensure a precisely positioned radiation beam, it is necessary that the shocks and vibrations coming
Externí odkaz:
https://doaj.org/article/9d42cb4b9b0f4dc4bd58327af19a64c7
Publikováno v:
Symmetry, Vol 14, Iss 3, p 539 (2022)
Based on the research carried out within the Research Institute for Construction Equipment and Technology—ICECON S.A. Bucharest, consisting of the design and development of vibrating-action machines and of the technical analysis of optimization of
Externí odkaz:
https://doaj.org/article/fc9b627e16004ac6acb64b397eedf1d5
Publikováno v:
Symmetry, Vol 14, Iss 2, p 246 (2022)
In order to raise the hysteresis loops in stationary dynamic regimes in the case of elastomeric insulators, specialized dynamic stands are used that may obtain both the necessary harmonic excitation by force as well as the modification of the angular
Externí odkaz:
https://doaj.org/article/a47a92ff48194696bc1ae8e485e497c1
Publikováno v:
Symmetry, Vol 12, Iss 12, p 1972 (2020)
All the installations, devices, and annexes within the laser and the gamma ray production system within the ELI-NP project from Magurele are installed on an inertial platform that weighs over 54,000 tons. The platform is made of concrete, is insulate
Externí odkaz:
https://doaj.org/article/f513f346587c4bf9b07f750f500fd203
Autor:
Polidor Bratu
Publikováno v:
Symmetry, Vol 12, Iss 10, p 1617 (2020)
The dynamic model of the system of bodies with elastic connections substantiates the conceptual basis for evaluating the technological vibrations of the compactor roller as well as of the parameters of the vibrations transmitted from the vibration so
Externí odkaz:
https://doaj.org/article/dfc2706428f34787a4ae4ef328983cdb