[HTML][HTML] The Seismic Behavior of a Base-Isolated Building with Simultaneous Translational and Rotational Motions during an Earthquake

P Bratu, D Dobre, O Vasile, CF Dobrescu - Buildings, 2024 - mdpi.com
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 …

Dynamic performances of technological vibrating machines

P Bratu, N Drăgan, C Dobrescu - Symmetry, 2022 - mdpi.com
Based on the research carried out within the Research Institute for Construction Equipment
and Technology—ICECON SA Bucharest, consisting of the design and development of …

Dynamic Rigidity of The Linear Voigt-Kelvin Viscoelastic Systems

P Bratu - Romanian Journal of Acoustics and Vibration, 2019 - rjav.sra.ro
The paper addresses the problem of dynamic rigidity for structural systems under forced
vibration. Thus, depending on the intrinsic elastic characteristics, masses and viscous …

Dynamic response of vibratory piling machines for ground foundations

AM Goanță, P Bratu, N Drăgan - Symmetry, 2022 - mdpi.com
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 …

First Elastic Step Vibration Isolation Of Single Drum Vibratory Roller Compactor

D CĂPĂȚINĂ, CM NIȚU… - ACTA TECHNICA …, 2022 - atna-mam.utcluj.ro
The discrete variation of equivalent stiffness coefficient in the first elastic step is performed in
order to determine the optimum solution of the dynamic regime in the vibratory compaction …

Evaluation Of The Level Of Performance For The Vibrating Screens Based On Dynamic Parameters

P BRATU, MC NIŢU - Acta Technica Napocensis-Series …, 2020 - atna-mam.utcluj.ro
The level of technological performance for inertia vibrating screens is determined by
functional and technological constructive parameters, so that the efficiency of granular …

FRESHLY COMPACTED CONCRETE DYNAMIC RESPONSE TO HARMONIC VIBRATIONS IN PRECAST BRIDGE BEAMS

O TONCIU - ACTA TECHNICA NAPOCENSIS-Series: APPLIED …, 2023 - atna-mam.utcluj.ro
When fresh concrete is poured into the metal patterns of the beams of approx. 40... 42 m
used in the construction of bridges and viaducts, external vibration is activated with inertial …

Evaluation of the Performace Level of Vibration Sorting Machines for Mineral Aggregates

MC NITU - Romanian journal of acoustics and vibration, 2020 - rjav.sra.ro
The vibration sorting–classifying machines for mineral aggregates and asphalt mixtures are
used for technological fluxes of mineral aggregates crushing and sorting, in adequate …

Dynamic Behavior of Vibratory System to Discrete Variation of Viscous Damping in Linear Viscoelastic Material Processing Technologies

P Bratu, O Vasile, C Dobrescu, MC Nițu… - … Conference on Acoustics …, 2023 - Springer
The experimental research carried out under forced vibrations, by applying a harmonic
excitation inertial force, highlighted the fact that the processed viscoelastic materials, when …

Parametric evaluation of the vibrating screens for performance assurance in sorting mineral aggregates

MC NIŢU - ACTA TECHNICA NAPOCENSIS-Series: APPLIED …, 2020 - atna-mam.utcluj.ro
The scope of the research presented in this paper is that of establishing the parametric
performance of the inertia vibrating screens used in sorting the mineral aggregates extracted …