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Bulletin of the Polytechnic Institute of Jassy, CONSTRUCTIONS. ARCHITECTURE Section
504 Publications


  • Seismic Isolating Systems. Classification, Properties and Utilization

    Flexible buildings can produce excessive vibration due to wind action, thus affecting the comfort of residents but also the structural system. To ensure the functional performance of the flexible structure have been adopted several solutions (flexible structures driven by wind and earthquake re-quire dampers) while those driven only by the earthquake are rigid and require base isolation systems. An overview of measures to reduce structural response including a discussion of auxiliary damping ...

    Modern Approaches on the Optimization of Composite Structures

    A laminated fibre reinforced composite structure is usually tailored, according to the design objectives, by choosing the individual constituents and of their volume fractions, the fiber orientation, the laminae thicknesses and orientation of the plies, their number and stacking sequences, as well as the fabrication procedure. To achieve the best results, optimization techniques have been developed. In recent years, some optimization methods, that are conceptually different from the traditio...

    The Bridges of Iaşi. Aesthetic Aspects

    This paper highlights some aesthetic aspects of bridges from Iasi, with the presentation of technical data and photos. The main issue is the placement of buildings near the bridge and blocked their view. Thus, the aesthetic character of the bridge, which is of particular importance in certain cases, there is not rendered valuable. The same problem occurs if adjacent locations of several bridges (usually two), they obstruct each other.

    Laboratory Measurements of Wind Velocity Field Behind Windbreak Screens

    Often tall buildings and other large constructions affect unfavourably the wind comfort conditions at pedestrian level on the adjacent areas. In their attempt to ameliorate these negative effects of wind action, urban professionals use for some cases flat-type protection systems. This paper presents some data on the characteristics and effectiveness of such windbreak screens, resulting from the study of physical models in wind tunnel located in turbulent boundary layer.

    Consequences of Non-Correlation of Activities Included in the Constructions Rehabilitation Process

    The paper presents the main problems appeared in a rehabilitation process for an administrative building. The causes who generate these problems and the abnormal cooperation between owner, designer and the expert are described. In theory, the Romanian prescriptions are clear enough but the practice shows some malfunctions with some negative influence on the structural safety.
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