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  • Ensuring the stability of high-rise unique buildings. Architectural-planning and constructive rhenium

    The article explores various architectural and constructive solutions that ensure the stability of high-rise unique buildings and structures under the action of significant transverse loads arising from strong wind influences. Recommendations are given for choosing constructive solutions for achieving the greatest stability and rigidity of high-rise buildings.

    Keywords: high-rise unique building, stability, load-bearing systems, modeling, progressive collapse, structural system, outrigger, skyscraper, column, core of rigidity, strength, reliability, horizontal load

  • Modern designs of high-rise buildings on the example of the construction of the Lakhta Center

    The article deals with modern design and architectural planning decisions made in the design and construction of high-rise buildings. The scale and the scientific and technical level of the project represents a unique and first used in the practice of high-rise construction. The article analyzes the basic design decisions, a comparison with international practice and the best design solutions of skyscrapers in the world.

    Keywords: high-rise unique building, stability, load-bearing systems, modeling, progressive collapse, structural system, outrigger, skyscraper, column, core of rigidity, strength, reliability, horizontal load

  • Renewable energy sources in high-rise buildings architecture

    The article considers the use of renewable energy sources in construction in general and in high-rise unique buildings. Such an approach will allow to design and build buildings in which integrated renewable energy sources can be harmoniously entered into all aspects of construction. This is especially true for high-rise buildings. With the implementation of energy-efficient technologies, the main drawback - high energy consumption - will be cut off. The article analyzes non-traditional sources of energy, such as wind, solar, land, water and biomass. The relevance of their application in construction and influence on all aspects of the project is proved: town-planning, functional, space-planning, architectural and artistic, constructive and engineering.

    Keywords: renewable energy source, high-rise building, bioenergy, solar energy, wind energy, aerodynamics, energy-efficient technology, architectural and artistic appearance, planning solution, optimal shape of the building.aerodynamics

  • The theory of the dynamic pressure arising in the top suspension bracket balloon cable system.

    In clause the opportunity of use balloon cable system descent to transport operations in remote mountain conditions is described. Dependence of system on wind influences is reflected. Proceeding from this, the design procedure of dynamic pressure which arise in the top suspension bracket of system is resulted, in view of mobility of a balloon under action of a wind. The technique allows to estimate the pressure arising in the top and bottom points of a suspension bracket at change of force of a wind, lengths of a suspension bracket, a corner and speed deviation of a balloon.

    Keywords: Cable balloon system, timber transport operations, fluctuations of a rope, dynamic pressure of a rope

  • Research of algorithms vibroacoustic diagnostics vehicles

    With the growing fleet's increasingly acute problem arises safety and reliability their exploitation as a result of this increase in productivity and accuracy of their technical diagnostics. Urgent task to further improve diagnosis for vehicles is to develop new methods and algorithms highlight the dominant component of the information in relation to a wide class of vehicles. The methods joint time-frequency and wavelet analysis. To isolate the dominant component of the information proposed to use the method of wavelet decomposition. Using vibro acoustic registration nodes vehicles funds allowed to receive signals carrying information about the defects of individual units of vehicles. The proposed decoding algorithms signals have high reliability, allow technical inspection, subsequent monitoring of the technical state of the vehicle. Using vibroacoustic registration of vehicles allowed nodes receive signals carry-ing information about the defects of individual units of vehicles. The proposed decoding algorithms signals have high reliability, allow technical inspection, subsequent monitoring of the technical state of the vehicle.

    Keywords: vehicle, vibroacoustic diagnostics, dominant information, time-frequency analysis, wavelet analysis