ARCHITECTURE AND URBAN DEVELOPMENT. RESTRUCTURING AND RESTORATION

Energy method for calculating the noise penetrating into flat rooms through walls

Vestnik MGSU 9/2014
  • Giyasov Botir Iminzhonovich - Moscow State University of Civil Engineering (MGSU) Candidate of Technical Sciences, Associate Professor, chair, Department of Architectural and Construction Design, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (495) 287-49-14; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Antonov Aleksandr Ivanovich - Tambov State Technical University (TGTU) Candidate of Technical Sciences, Associate Professor, Department of Architecture and Construction of Buildings, Tambov State Technical University (TGTU), 112 E Michurinskaya street, Tambov, 392032, Russian Federation; +7 (4752) 63-03-82, 63-04-39; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Matveeva Irina Vladimirovna - Tambov State Technical University (TGTU) Candidate of Technical Sciences, Associate Professor, Department of Urban and Road Construction, Tambov State Technical University (TGTU), 112 E Michurinskaya street, Tambov, 392032, Russian Federation; +7 (4752) 63-09-20, 63-03-72; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 22-31

The noise state in buildings is a general process of sound energy distribution in the building volume. The sound energy emerging in separate rooms falls on enveloping structures of the rooms and penetrates to the adjacent volumes. In this case the enveloping structures of the noisy rooms become the sources of noise for other rooms. In public buildings flat rooms widely occur, in which the noise from technical rooms often penetrate. The authors observe the principles of evaluating indoor noise in a flat, which penetrates from adjacent premises through the walls. The method of calculating sound pressure levels in rooms is offered. The method takes into account the patterns of direct sound distribution from the flat noise source (wall) and the conditions of the reflected sound field creation in flat space of finite and infinite length. The direct sound energy distribution character is determined by geometric parameters of the wall shedding the noise. The method provides the desired calculation precision of the sound pressure levels.

DOI: 10.22227/1997-0935.2014.9.22-31

References
  1. Ledenev V.I. Statisticheskie energeticheskie metody rascheta shumovykh poley pri proektirovanii proizvodstvennykh zdaniy [Statistical Energy Methods for Calculating The Noise Fields in the Design of Industrial Buildings]. Tambov, Tambovskiy Gosudarstvennyy Tekhnicheskiy Universitet Publ., 2001, 156 p.
  2. Antonov A.I., Zhdanov A.E., Ledenev V.I. Avtomatizatsiya rascheta shumovykh poley v proizvodstvennykh pomeshcheniyakh [Calculation Automation of Noise Fields in Production Rooms]. Vestnik Tambovskogo gosudarstvennogo tekhnicheskogo universiteta [Proceedings of Tambov State Technical University]. 2004, vol. 10, no. 1B, pp. 245—250.
  3. Giyasov B.I., Matveeva I.V., Makarov A.M. Metod rascheta shuma v ploskikh pomeshcheniyakh s ravnomerno raspredelennymi rasseivatelyami [Noise Evaluation Method in a Flat Room with Evenly Distributed Lenses]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2014, no. 2, pp. 13—21.
  4. Antonov A.I., Ledenev V.I., Solomatin Ye.O. The Combined Method of Calculation of Noise Conditions in Industrial Buildings of Thermal Power Stations. Scientific Herald of the Voronezh State University of Architecture and Civil Engineering. Construction and Architecture. 2012, no. 1, pp. 7—16.
  5. Antonov A.I., Solomatin E.O., Tseva A.V. Metod rascheta shuma v dlinnykh pomeshcheniyakh [Method of Noise Analysis inside Long Premises]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2013, no. 1, pp. 19—25.
  6. Antonov A.I., Ledenev V.I., Solomatin E.O., Gusev V.P. Metody rascheta urovney pryamogo zvuka, izluchaemogo ploskimi istochnikami shuma v gorodskoy zastroyke [Methods for Calculating the Level of the Direct Sound Emitted by Flat Noise Sources in Urban Environment]. Zhilishchnoe stroitel’stvo [Housing Construction]. 2013, no. 6, pp. 13—15.
  7. Picaut J., Simon L., D. Polack J. A Mathematical Model of Diffuse Sound Field Based on a Diffusion Equation. Acoustica. 1997, vol. 83, no. 4, pp. 614—621.
  8. Valeau V., Picaut J., Hodgson M. On the Use of a Diffusion Equation for Room-Acoustic Prediction. Journal of the Acoustical Society of America. 2006, vol. 119, no. 3, pp. 1504—1513. DOI: http://dx.doi.org/10.1121/1.2161433.
  9. Valeau V., Hodgson M., Picaut J. A Diffusion-based Analogy for the Prediction of Sound Fields in Fitted Rooms. Acta Acustica United with Acustica. 2007, vol. 93, no. 1, pp. 94—105.
  10. Billon A., Picaut J., Valeau V., Sakout A. Acoustic Predictions in Industrial Spaces Using a Diffusion Model. Advances in Acoustics and Vibration. 2012, Article ID 260394, 9 p. Available at: http://www.hindawi.com/journals/aav/2012/260394/. Date of access: 12.05.2014. DOI: http://dx.doi.org/10.1155/2012/260394.
  11. Jing Y., Larsen E.W., Xiang N. One-Dimensional Transport Equation Models for Sound Energy Propagation in Long Spaces: Theory. Journal of the Acoustical Society of America. 2010, vol. 127, no. 4, pp. 2312—2322. DOI: http://dx.doi.org/10.1121/1.3298936.
  12. Jing Y., Xiang N. A Modified Diffusion Equation for Room-Acoustic Predication. Journal of the Acoustical Society of America. 2007, vol. 121, no. 6, pp. 3284—3287. DOI: http://dx.doi.org/10.1121/1.2727331.
  13. Picaut J., Valeau V., Billon A., Sakout A. Sound Field Modeling in Architectural Acoustics Using a Diffusion Equation. Proceedings of the 20th International Conference on Noise. Honolulu, Hawaii, USA, 2006, pp. 1—8.
  14. Osipov G.L., Yudin E.Ya., Khyubner G. Snizhenie shuma v zdaniyakh i zhilykh rayonakh [Noise Reduction in Buildings and Residential Areas]. Moscow, Stroyizdat Publ., 1987, 558 p.
  15. Voronkov A.Yu., Zhdanov A.E. O printsipe vvoda zvukovoy energii v pomeshchenie pri ispol’zovanii integro-interpolyatsionnogo metoda rascheta shumovykh poley [On the Principle of Sound Energy Input into a Room by Using the Integro-Interpolation Method for Calculating Noise Fields]. Trudy TGTU : sbornik nauchnykh statey molodykh uchenykh i studentov [Works of Tambov State Technical University: Collection of Scientific Articles of Young Scientists and Students]. Tambov, 1999, no. 4, pp. 116—118.

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Railway diagnosis of electric transport

Vestnik MGSU 1/2015
  • Yushkov Vladimir Sergeevich - Perm National Research Polytechnic University (PNRPU) Senior Lecturer, Department of Automobiles and Technological Machines, postgraduate student, Department of Automobile Roads and Bridges, Perm National Research Polytechnic University (PNRPU), 29 a Komsomol’skiy prospekt, Perm, 614990, Russian Federation; +7 (342) 239-16-54; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Kychkin Vladimir Ivanovich - Perm National Research Polytechnic University (PNRPU) Candidate of Technical Sciences, Associate Professor, Department of Automobiles and Technological Machines, Perm National Research Polytechnic University (PNRPU), 29 a Komsomol’skiy prospekt, Perm, 614990, Russian Federation; +7 (342) 239-16-54; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 36-43

The increase in noise level at cities is increasing the requirements to functional interaction of road users - pedestrians and drivers - with the parameters of the environment as a leading component of Afferentation synthesis in the complicated complex of locomotive activity. City noise is one of the most widespread factors of unfavorable living and working conditions. The noise of high intensity provokes diseases, lowers labor activity. At present, many large cities pay much attention to electric vehicles. The authors present an analysis of the poor state of tram track in areas of high noise and vibration of car and under-sleeper base design. A negative effect of noise and vibration on the formation of urban areas environment is shown as well as the impact of these conditions on the person. The advantages of the application of electric transport are specified, noise displacement curve of railway and under sleeper base is plotted depending on the frequency of the applied load and the modulus of elasticity, as well as under sleeper base vibroacceleration depending on time. The authors offer a systematic study on the basis of a mathematical model of the sources of noise in the process of a tram motion.

DOI: 10.22227/1997-0935.2015.1.36-43

References
  1. Alekseev A.O., Golubev K.V., Gureev K.A., Kharitonov V.A. Intellektualizatsiya tekhnologiy upravleniya izmeneniyami v zadachakh urbanistiki [Intellectualization of Change Management in Urban Development Problems]. Vestnik Povolzhskogo gosudarstvennogo tekhnicheskogo universiteta. Urbanistika [Proceedings of Volga State University of Technology. Urban Development]. 2011, no. 1, pp. 21—42. (In Russian)
  2. Bobin E.V. Bor’ba s shumom i vibratsiey na zheleznodorozhnom transporte [Fighting Noise and Vibration in Rail Transport]. Moscow, Transport Publ., 1973, 304 p. (In Russian)
  3. Vafin R.K., Naydenov S.O. Raschet sluchaynykh kolebaniy nelineynykh mekhanicheskikh sistem [Calculation of Random Vibrations of Nonlinear Mechanical Systems]. Izvestiya vuzov. Mashinostroenie [Proceedings of Higher Educational Institutions. Маchine Building]. 1985, no. 7, pp. 24—27. (In Russian)
  4. Gelfand S.A. Hearing: An Introduction to Psychological and Physiological Acoustics. CRC Press; 5 edition, 2009, 312 p.
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  6. Ivanov N.I. Bor’ba s shumom i vibratsiyami na putevykh i stroitel’nykh mashinakh [Fighting Noise and Vibration in Track and Construction Machines]. 2nd edition, revised and enlarged. Moscow, Transport Publ., 1987, 223 p. (In Russian)
  7. Knevets M.M. Osobennosti analiza signalov vibratsii na osnove Veyvlet-funktsiy [Features of Vibration Signals Analysis on the Basis of Wavelet Functions]. Vibratsiya mashin: izmerenie, snizhenie, zashchita [Machine Vibrations: Measurement, Lowering, Defense]. 2012, no. 1, pp. 26—32. (In Russian)
  8. Kychkin V.I., Yushkov V.S. Issledovanie deformatsionnogo sostoyaniya podshpal’nogo osnovaniya metodom vibratsionnoy diagnostiki [The Study of the Deformation State of Under Sleeper Base by Vibration Diagnostics Method]. Narodnoe khozyaystvo. Voprosy innovatsionnogo razvitiya [National Economy. Questions Innovational Development]. 2012, no. 5, pp. 111—118. (In Russian)
  9. Kychkin V.I., Yushkov V.S. Nerazrushayushchiy dinamicheskiy metod kontrolya do-rozhnykh odezhd [Non-Destructive Dynamic Method to Control Road Pavement]. Naukovedenie [On-line Journal “Naukovedenie”]. 2013, no. 1 (14). Available at: http://naukovedenie.ru/PDF/34tvn113.pdf. Date of access: 10.12.2014. (In Russian)
  10. Kirilenko Yu.I., Filosov V.K., Fomin V.S. Vliyanie optokineticheskikh i ves-tibulyarnykh vozdeystviy na nadezhnost’ cheloveka-operatora v sistemakh upravleniya letatel’nym apparatom [Influence of Optokinetic and Vestibular Impacts on The Reliability of the Human Operator in Control Systems for Aircraft]. Kosmicheskie issledovaniya [Space Investigations]. 1970, vol. 8, no. 3, pp. 476—478. (In Russian)
  11. Kochergina K.A., Romanovskiy V.L. Shumovoe vozdeystvie i oksidantnyy stress organizma [Noise Influence and Oxidative Stress of an Organism]. Ekologiya i nauchno-tekhnicheskiy progress : materialy VI Mezhdunarodnoy nauchno-prakticheskoy konferentsii studentov, aspirantov i molodykh uchenykh [Ecology and Scientific and Technical Progress: Proceedings of the 6th International Scientific and Practical Conference of Students, Postgraduate Students and Young Scientists]. Perm, Perm National Research Polytechnic University Publ., 2007, pp. 311—314. (In Russian)
  12. Klyachko L.N. Proizvodstvennyy shum i mery zashchity ot nego v chernoy metal-lurgii [Industrial Noise and Means of Protection From it in the Steel Industry]. Moscow, Metallurgiya Publ., 1981, 80 p. (In Russian)
  13. Postnikov V.P., Doroshenko R.O. Obosnovanie neobkhodimosti razvitiya passazhirskogo elektrotransporta v krupnom gorode s tochki zreniya ekologicheskoy effektivnosti [Necessity Rationale for the Development of Electric Passenger Transport in a Big City in Terms of Eco-Efficiency]. Ekologiya i promyshlennost’ Rossii [Ecology and Industry of Russia]. 2014, no. 8, pp. 45—48. (In Russian)
  14. SN 2.2.4-2.1.8.562—96. Shum na rabochikh mestakh, v pomeshcheniyakh zhilykh, obshchestvennykh zdaniy i na territorii zhiloy zastroyki [Requirements SN 2.2.4-2.1.8.562—96. Noise in the Workplace, in Residential and Public Buildings and in Residential Areas]. Moscow, Minzdrav Rossii Publ., 1997, 16 p. (In Russian)
  15. Sayers M.W., Gillespie T.D., Queiroz C.A.V. The International Road Roughness Experiment. Establishing Correlation and a Calibration Standard for Measurements: World Bank Technical Paper Number 45. WTP-45. The World Bank. Manufactured in the USA. 1986, 453 p.
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Active safety vehicles and reducing road accidents

Vestnik MGSU 10/2014
  • Yushkov Vladimir Sergeevich - Perm National Research Polytechnic University (PNRPU) Senior Lecturer, Department of Automobiles and Technological Machines, postgraduate student, Department of Automobile Roads and Bridges, Perm National Research Polytechnic University (PNRPU), 29 a Komsomol’skiy prospekt, Perm, 614990, Russian Federation; +7 (342) 239-16-54; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Yushkov Boris Semenovich - State National Research Polytechnical University of Perm (PSTU SNRPUP) Candidate of Technical Sciences, Professor, Chair, Department of Motorways and Bridges, State National Research Polytechnical University of Perm (PSTU SNRPUP), 29 a Komsomol’skiy prospekt, 614990, Perm, Russian Federation; +7 (342) 239-15-73; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Burgonutdinov Al’bert Masugutovich - State National Research Polytechnical University of Perm (PSTU SNRPUP) Candidate of Technical Sciences, Associate Professor, Department of Motorways and Bridges, State National Research Polytechnical University of Perm (PSTU SNRPUP), 29 a Komsomol’skiy prospekt, 614990, Perm, Russian Federation; +7 (342) 239-13-71; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 168-176

Road transport compared with rail, air and water transport is currently the most dangerous mode of transport. In recent years, more attention has been given to the issues of comfort and active safety of vehicles. Safety of the vehicle is a complex problem, the solution of which is primarily concerned with improvements aimed at enhancing active safety system driver - vehicle - road. One of the main vehicle performances significantly impacting road safety and the environment, is a high-speed mode. Active safety car driver includes the ability to assess the situation on the road and choose the safest mode of movement, as well as the possibility of the vehicle to implement the desired safe driving mode. Analyzing the causes of road traffic accidents submitted on the official websites of traffic police of the Perm region and Russia, it can be concluded that often carelessness and negligence of the driver is not the reason of an accident, but his inert perception, resulting in delayed response to rapidly changing traffic conditions. An average driver does not have the ability to instantly perceive suddenly appearing obstacles and quickly take measures to ensure the car’s handling and implementation of safe motion path. For this purpose we developed a modern technical means installed on a highway in the form of «vibrolane», with a driver fatigue monitoring system, which is aimed at preventing the driver wearied while driving behind the wheel from a possible departure to the oncoming lane or exit to the side of the road at driving on the hump. Thus, the proposed security system will reduce the number of accidents.

DOI: 10.22227/1997-0935.2014.10.168-176

References
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  12. Yushkov V.S., Kychkin V.I., Barmin N.D. Vibropolosa — funktsional’naya osobennost’ dorogi [Vibrolane — Functional Feature of a Road]. Tekhnicheskie nauki —ot teorii k praktike [Engineering Sciences — from Theory to Practice]. 2014, no. 2, pp. 109—113. (in Russian)
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