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  • Acta Neurobiologiae Experimentalis

 

Article

VIBRATION PROPAGATION IN SUBSOIL: IN-SITU TESTING AND NUMERICAL ANALYSES

Stefan PRADELOK, Marian ŁUPIEŻOWIEC

Architecture, Civil Engineering, Environment , ISSUE 1, 79–86

Research paper

Anhedonia but not passive floating is an indicator of depressive‑like behavior in two chronic stress paradigms

unpredictable mild stress ora two‑week combined chronic stress. The behavioral effects of stress were evaluated using sucrose preference, forced swim and open field tests. After the exposure to chronic unpredictable mild stress, anhedonia was developed, activity in the open field increased, while no changes in the duration of passive floating could be detected. After chronic combined stress, anhedonia was also evident, whereas behavior in the open field and forced swim test did not change. The levels of

Mikhail Yu. Stepanichev, Anna O. Tishkina, Margarita R. Novikova, Irina P. Levshina, Sofiya V. Freiman, Mikhail V. Onufriev, Olga A. Levchenko, Natalia A. Lazareva, Natalia V. Gulyaeva

Acta Neurobiologiae Experimentalis , ISSUE 4, 324–333

Article

RESEARCH ON THE NEW CFRP PRESTRESSING SYSTEM FOR STRENGTHENING OF RC STRUCTURES

anchorages can generate maximum prestressing force of 170 kN. The research on NPS II comprised a series of static and fatigue tests on anchorages themselves, system mounted on strengthened beams as well as on-site, i.e. on actual RC bridge. The system has been examined, its efficiency has been confirmed in laboratory and in field tests and now it is ready to use in strengthening purposes.

Bartosz PIĄTEK, Tomasz SIWOWSKI

Architecture, Civil Engineering, Environment , ISSUE 3, 81–87

Research Article

STRUCTURAL ANALYSIS OF RAILWAYS BOLSTER-BEAM UNDER COMMERCIAL OPERATION CONDITIONS: OVER-TRACTION AND
OVER-BRAKING

work is constructed based on the following phases: (i) analysis of the kinematics of the vehicle; (ii) development of numerical models, a model based on the multibody theory, and a Finite Elements model; (iii) development of experimental field tests; and (iv) development of simulations for a detailed analysis of the structural behaviour for a study of the strain distribution in the main bolster-beam. This study is applied to a particular case of a railway system

Ronald M. MARTINOD, German R. BETANCUR, Jorge L. RESTREPO, Leonel F. CASTAÑEDA

Transport Problems , ISSUE 2, 67–77

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