Determination of buildings sun shields operating parameters for the purpose of durability and sustainability

Vestnik MGSU 9/2018 Volume 13
  • Yang Hui - Beijing University of Civil Engineering and Architecture Ph.D, Associate Professor, Beijing University of Civil Engineering and Architecture, Zhanlanlu, 100044, Xicheng District, Beijing, P.R. China; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Lushin Kirill I. - Moscow State University of Civil Engineering (National Research University) (MGSU) , Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation.
  • Plushenko Natalia Yu. - Moscow State University of Civil Engineering (National Research University) (MGSU) , Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation.

Pages 1154-1164

Considers the modern building envelope construction with outside skin used as a sun shields. Such a constriction is often used for buildings with low energy consumption. A number of factors besides sun radiation influencing on the performance of facade system in general and every certain parts and elements throughout the entire period of building operation. Subject: multilayer and double skin building facades and sun screens located on their surfaces. Including, dual-use facades combining functions of the sun screen and sub construction for the placement of photovoltaic cells. Materials and methods: the main method was an estimation the aerodynamic and air-thermal characteristics of a double skin façade. Was considered a construction with combined function of a sun shield. The method was previously used in evaluation of the air-thermal regime of hinged facade systems of buildings for cold period of a year. The general approach was advanced and verified by the results of full-scale tests of building facades in the warm period of the year. Results: indicates great influence of air and thermal conditions of air gap in double skin and similar construction facades on performance of façade system in general and on every certain part of it. Conclusions: the construction of complex facade systems with the use of up to date technologies requires additional study of the air-thermal conditions of the air gap between the main facade of the building and its second skin or sun screen. Ignoring the operational features of active sun shields under extreme loads can lead to a decrease in the equipment functionality and its premature failure.

DOI: 10.22227/1997-0935.2018.9.1154-1164

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STRUCTURAL SOLUTIONS AND SPECIAL FEATURES OF THE THERMAL PROTECTION ANALYSIS OF EXTERIOR WALLS OF BUILDINGS MADE OF AUTOCLAVED GAS-CONCRETE BLOCKS

Vestnik MGSU 2/2012
  • Bedov Anatolij Ivanovich - Moscow State University of Civil Engineering (MSUCE) Candidate of Technical Sciences, Professor, Department of Concrete and Reinforced Concrete Structures 8 (495) 287-49-14 ext. 3036, Moscow State University of Civil Engineering (MSUCE), 26 Jaroslavskoe shosse, Moscow, 129337, Russia; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Babkov Vadim Vasil'evich - Ufa State Petroleum Technological University (UGNTU) Doctor of Technical Sciences, Professor, Department of Building Structures 8 (347) 228-22-00, Ufa State Petroleum Technological University (UGNTU), Office 225, 195 Mendeleeva St., Russia; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Gabitov Azat Ismagilovich - Ufa State Petroleum Technological University (USPTU) Doctor of Technical Sciences, Professor, Department of Building Structures, Ufa State Petroleum Technological University (USPTU), 195 Mendeleeva str., Ufa, 450062, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Gajsin Askar Minijarovich - Ufa State Petroleum Technological University (UGNTU) Candidate of Technical Sciences, Associated Professor, Department of Building Structures 8 (347) 228-22-00, Ufa State Petroleum Technological University (UGNTU), Office 225, 195 Mendeleeva St., Russia; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Rezvov Oleg Aleksandrovich - Ufa State Petroleum Technological University (UGNTU) postgraduate student, Department of Building Structures 8 (347) 228-22-00, Ufa State Petroleum Technological University (UGNTU), Office 225, 195 Mendeleeva St., Russia; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Kuznecov Dmitrij Valer'evich - Ufa State Petroleum Technological University (UGNTU) Candidate of Technical Sciences, Associated Professor, Department of Building Structures 8 (347) 228-22-00, Ufa State Petroleum Technological University (UGNTU), Office 225, 195 Mendeleeva St., Russia; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Gafurova Jelina Al'bertovna - Ufa State Petroleum Technological University (UGNTU) postgraduate student, Department of Building Structures 8 (347) 228-22-00, Ufa State Petroleum Technological University (UGNTU), Office 225, 195 Mendeleeva St., Russia; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Sinicin Dmitrij Aleksandrovich - Ufa State Petroleum Technological University (UGNTU) Candidate of Technical Sciences, Associated Professor Department of Building Structures 8 (347) 228-22-00, Ufa State Petroleum Technological University (UGNTU), Office 225, 195 Mendeleeva St., Russia; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 98 - 103

Relevant structural solutions, physical and mechanical characteristics, coefficients of thermal conductivity for exterior masonry walls made of autoclaved gas-concrete blocks are provided in the article.
If a single-layer wall is under consideration, an autoclaved gas-concrete block is capable of performing the two principal functions of a shell structure, including the function of thermal protection and the bearing function. The functions are performed simultaneously. Therefore, the application of the above masonry material means the design development and erection of exterior walls of residential buildings noteworthy for their thermal efficiency. In the event of frameless structures, the height of the residential building in question may be up to 5 stories, while the use of a monolithic or a ready-made frame makes it possible to build high-rise buildings, and the number of stories is not limited in this case. If the average block density is equal to 400…500 kilograms per cubic meter, the designed wall thickness is to be equal to 400 mm. Its thermal resistancemay be lower than the one set in the event of the per-element design of the thermal protection (Rreq = 3.41 м2 C/Watt, in Ufa), although it will meet the requirements of the applicable regulations if per-unit power consumption rate is considered.

DOI: 10.22227/1997-0935.2012.2.98 - 103

References
  1. Bedov A.I., Babkov V.V., Gabitov A.I. and others. Vozmozhnosti obespechenija jekspluatacionnoj nadezhnosti naruzhnyh sten zdanij na osnove avtoklavnyh gazobetonnyh blokov [Assurance of Reliability of Exterior Walls of Buildings Made of Autoclaved Gas-Concrete Blocks]. Vestnik MGSU # 1, 2011.
  2. Vatin N.I., Grinfel'd G.I. and others. Teploperedacha i paropronicaemost' ograzhdajuschih konstrukcij iz gazobetona s oblicovkoj iz silikatnogo kirpicha. [Heat Conductivity and Vapour Permeability of Exterior Walls of Aerated Concrete Lined with Ceramic Bricks]. // StroyProfil [Building Profile] # 6(60), 2007, pp. 46—48.
  3. Vishnevskij A.A. Jekspluatacionnye svojstva sovremennogo avtoklavnogo gazozolobetona // Odnoslojnye ograzhdenija iz avtoklavnogo gazobetona v sovremennom stroitel'stve [Operational Properties of Contemporary Autoclaved Aschengasconcrete]. Single-Layer Gas-Concrete Shells in Contemporary Construction Works. Collected works of the 2nd scientific and practical seminar. : Yekaterinburg, 2009, pp. 11—18.
  4. Gomann M. Porobeton [Porous Concrete]. Belgorod, LitKaraVan, 2010, 272 p.
  5. Paplavskis Ja.M. Jenergosberegajuschie svojstva jacheistogo betona // Odnoslojnye ograzhdenija iz avtoklavnogo gazobetona v sovremennom stroitel'stve [Energy-Saving Properties of Porous Concrete]. Single-Layer Gas-Concrete Shells in Contemporary Construction Works. Collected works of the 2nd scientific and practical seminar. : Yekaterinburg, 2009, pp. 18—25.

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Thermal insulation properties of walls

Vestnik MGSU 5/2014
  • Zhukov Aleksey Dmitrievich - Moscow State University of Civil Engineering (National Research University) (MGSU) Candidate of Technical Sciences, Associate Professor, Department of Composite Materials Technology and Applied Chemistry, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Bessonov Igor' Vyacheslavovich - Scientific and Research Institute of Construction Phisics of Russian Academy of Architecture and Construction Sciences (NIISF RAASN) Candidate of Technical Sciences, leading research worker, Scientific and Research Institute of Construction Phisics of Russian Academy of Architecture and Construction Sciences (NIISF RAASN), 21 Lokomotivnyy proezd, Moscow, 127238, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Sapelin Andrey Nikolaevich - Scientific and Research Institute of Construction Physics of the Russian Academy of Architecture and Construction Sciences (NIISF RAASN) postgraduate student, Scientific and Research Institute of Construction Physics of the Russian Academy of Architecture and Construction Sciences (NIISF RAASN), 21 Lokomotivnyy proezd, Moscow, 127238, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Bobrova Ekaterina Yur'evna - Higher School of Economics (HSE); Moscow State University of Civil Engineering (MGSU) Candidate of Economic Sciences, Director, Center for Low-rise Construction, Higher School of Economics (HSE); doctoral student, Department of Composite Materials Technology and Applied Chemistry, Moscow State University of Civil Engineering (MGSU), Higher School of Economics (HSE); Moscow State University of Civil Engineering (MGSU), 20 Myasnitskaya str., 101000, Moscow, Russian Federation; 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 70-77

Heat-protective qualities of building structures are determined by the qualities of the used materials, adequate design solutions and construction and installation work of high quality. This rule refers both to the structures made of materials similar in their structure and nature and mixed, combined by a construction system. The necessity to ecaluate thermal conductivity is important for a product and for a construction. Methods for evaluating the thermal protection of walls are based on the methods of calculation, on full-scale tests in a laboratory or on objects. At the same time there is a reason to believe that even deep and detailed calculation may cause deviation of the values from real data. Using finite difference method can improve accuracy of the results, but it doesn’t solve all problems. The article discusses new approaches to evaluating thermal insulation properties of walls. The authors propose technique of accurate measurement of thermal insulation properties in single blocks and fragments of walls and structures.

DOI: 10.22227/1997-0935.2014.5.70-77

References
  1. Zhukov A.D., Chugunkov A.V. Fasadnaya sistema s ispol’zovaniem materialov yacheistoy struktury [Facade System Made of Porous Materials]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2012, no. 5, pp. 128—132.
  2. Moore F. Rheology of Ceramic Systems. Institute of Ceramics Textbook Series, Applied Science Publishers, 1965, 170 p.
  3. Grigorieva T.F., Vorsina I.A., Barinova A.P., Boldyrev V.V. Mechanochemical Interaction of the Kaolinite with the Solid State Acids. XIII Int. Symp. on Reactivity of Solids, Hamburg, 1996, Abstracts, 132 p.
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  5. Worral W.E. Clays and Ceramic Raw Materials. University of Leeds, Great Britain. 1978, 277 p.
  6. Gagarin V.G. Makroekonomicheskie aspekty obosnovaniya energosberegayushchikh meropriyatiy pri povyshenii teplozashchity ograzhdayushchikh konstruktsiy zdaniy [Macroeconomic Aspects of the Substantiation of Energy Saving Measures by Increasing the Thermal Protection of Enclosing Structures of Buildings]. Stroitel'nye materialy [Construction Materials]. 2010, no. 3, pp. 8—16.
  7. Gagarin V.G., Kozlov V.V. Teoreticheskie predposylki rascheta privedennogo soprotivleniya teploperedache ograzhdayushchikh konstruktsiy [Theoretical Background for Calculation of Reduced Resistance to Heat Transfer of Enclosing Structures]. Stroitel'nye materialy [Construction Materials]. 2010, no. 12, pp. 4—12.
  8. Pedersen T. Experience with Selee Open Pore Foam Structure as a Filter in Aluminium Continuous Rod Casting and Rolling. Wire Journal. 1979, vol. 12, no. 6, pp. 74—77.
  9. Rumyantsev B.M., Zhukov A.D., Smirnova T.Yu. Teploprovodnost’ vysokoporistykh materialov [Thermal Conductivity of Highly Porous Materials]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2012, no. 3, pp. 108—114.
  10. Sapelin A.N., Bessonov I.V. Koeffitsienty struktury kak kriteriy otsenki teplotekhnicheskogo kachestva stroitel'nykh materialov [Pattern Coefficients as a Criterion for Assessing Thermal Performance of Construction Materials]. Stroitel'nye materialy [Construction Materials]. 2012, no. 6, pp. 26—28.
  11. Sapelin A.N. Sorbtsionnye svoystva stenovykh materialov s primeneniem mikrosfer [Sorptive Properties of Wall Materials Using Microspheres]. ACADEMIA. Arkhitektura I stroitel'stvo [Academia. Architecture and construction]. 2013, no. 3, pp. 101—104.
  12. Vos B., Boekwijt W. Ausfűllung des Hohlraumes in bestehengen hohlmauern. Gesundheits-Ingenier. 1974, no. 4, pp. 36—40.
  13. Umnyakova N.P. Dolgovechnost’ trekhsloynykh sten s oblitsovkoy iz kirpicha s vysokim urovnem teplovoy zashchity [Durability of Three-layered Walls with Brick Facing That Provides High Thermal Protection]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2013, no. 1, pp. 94—100.
  14. Hall C.A. Introduction to Special Issue on New Studies in EROI (Energy Return on Investment). Sustainability. 2011, 3(10), pp. 1773—1777. Available at: www.mdpi.com/2071-1050/3/10/1773. DOI: 10.3390/su3101773.
  15. Malakhova A.N., Balakshin A.S. Primenenie stenovykh melkikh blokov iz yacheistykh betonov v nesushchikh stenakh zdaniy sredney etazhnosti [Using Small Cellular Concrete Blocks to Make Bearing Walls of Mid-rise Buildings]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2013, no. 1, pp. 87—93.

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