DESIGNING AND DETAILING OF BUILDING SYSTEMS. MECHANICS IN CIVIL ENGINEERING

Rational usage of structural systems of multi-storey buildings

Vestnik MGSU 11/2013
  • Senin Nikolay Ivanovich - Moscow State University of Civil Engineering (MGSU) Candidate of Technical Sciences, Professor, Director of the Institute of Construction and Architecture, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 76-83

The article focuses on the classification of structural systems of multi-storey buildings based on four main (or primary) systems fundamentally different by the type of vertical load-bearing structures. Also a rational application of various structural systems of multi-storey buildings has been proposed as a result of the analysis of earlier performed studies and real-world experience of designing. The usage of combined structural systems that consist of various combinations of primary systems is examined.15 types of structural systems can be detached from the variety of primary and combined systems.The growing number of storeys of multi-storey buildings together with the growth of urban population and increasing availability of housing, as well as limited and cramped urban area, was justified. 10 of the most widely used structural systems were analyzed with a brief analysis of their features to ensure the tridimensional rigidity.The vertical distribution of functions in multifunctional buildings, as well the forecast for the percentage distribution of functions in high-rise buildings were also presented in the article. These guidelines can be used by designers on trial design stage for choosing the most rational structural system of multi-storey buildings of different heights.

DOI: 10.22227/1997-0935.2013.11.76-83

References
  1. Shcherbakova E. Seychas v gorodskikh poseleniyakh prozhivaet 51 % naseleniya mira, a v sel'skikh 49 % [Nowadays 51 % of the world's population live in urban areas and 49 % live in rural settlements]. DemoskopWeekly. 2012, no. 507—508. Available at: http://kapital-rus.ru/index.php/articles/article/610. Date of access: 15.04.2013.
  2. Shcherbakova E. Gorodskoe naselenie Rossii na nachalo 2010 goda — 103,8 mln chelovek, ili 73,1 % ot obshchego chisla rossiyan [Urban population of Russia in the beginning of 2010 is 103,8 million people, or 73,1 % of total number of Russians]. DemoskopWeekly. 2010, no. 407—408. Available at: http:///www.demoskop.ru/weekly/2012/0507. Date of access: 10.04.2013.
  3. Gusev A.B. Dostupnost' zhil'ya v Rossii i za rubezhom [Availability of Housing in Russia and Abroad]. Kapital strany: federal'noe internet-izdanie [Country Capital: Federal Internet Edition]. 2008. Available at: http://www.kapital-rus.ru. Date of access: 08.09.2013.
  4. Maklakova T.G. Vysotnye zdaniya [High-rise Buildings]. Moscow, ASV Publ., 2006, 156 p.
  5. Vud E., Holister N. Nachalo epokhi meganeboskrebov [The Beginning of Highskrapers Era]. Vysotnye zdaniya [High-rise Buildings]. 2012, no. 1, pp. 52—57.
  6. Xu Peifu, Fu Xiuyeyi, Wang Cuikun, Xiao Congzhen; editor Xu Peifu. Proektirovanie sovremennykh vysotnykh zdaniy [Design of Modern High-rise Buildings]. Moscow, ASV Publ., 2008, 467 p.
  7. Drozdov P., Lishak V. Prostranstvennaya zhestkost' i ustoychivost' mnogoetazhnykh zdaniy razlichnykh konstruktivnykh sistem [Spatial Rigidity and Stability of Multy-storey Buildings of Various Constructive Systems]. Tr. III Mezhdunar. simpoziuma S-41 MSS i Ob"edinennogo komiteta po vysotnym zdaniyam. Publikatsiya ¹ 43 [Proceedings of the 3rd International Symposium S-41 MSS and Public Committee for High-rise Buildings. Issue 43]. Moscow, TsNIIEP zhilishcha Publ., 1976, pp. 20—25.
  8. Khan F. The Future of High Rise Structures. Progressive Architecture. 1972, no. 10, pp. 78—91.
  9. Kozak Yu. Konstruktsii vysotnykh zdaniy [The Structures of High-rise Buildings]. Moscow, Stroyizdat Publ., 1986, 307 p.
  10. Ali M.M., Moon K.S. Structural Developments in Tall Buildings: Current Trends and Future Prospects. Architectural Science Review, 2007, vol. 50, no. 3, pp. 205—223.
  11. Peyman A.N. Vysotnye soty. Novaya innovatsionnaya konstruktivnaya sistema dlya vysotnykh zdaniy [High-rise Honeycombs. New Innovative Constructive System for High-rise Buildings]. Vysotnye zdaniya [High-rise Buildings]. 2012, no. 6, pp. 80—85.
  12. Zhang Weibin. Proektirovanie mnogoetazhnykh i vysotnykh zhelezobetonnykh sooruzheniy [Design of Multistoried and High-rise Reinforced Concrete Structures]. Moscow, ASV Publ., 2010, 597 p.

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IDENTIFICATION OF WIND LOAD APPLIED TO THREE-DIMENSIONAL STRUCTURES BY VIRTUE OF ITS SIMULATION IN THE WIND TUNNEL

Vestnik MGSU 7/2012
  • Doroshenko Sergey Aleksandrovich - Moscow State University of Civil Engineering (MSUCE) postgraduate student, Department of Theoretical Mechanics and Aerodynamics, Moscow State University of Civil Engineering (MSUCE), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Doroshenko Anna Valer'evna - Moscow State University of Civil Engineering (MSUCE) postgraduate student, Department of Informatics and Applied Mathematics, Moscow State University of Civil Engineering (MSUCE), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Orekhov Genrikh Vasil'evich - Moscow State University of Civil Engineering (MSUCE) Candidate of Technical Sciences, Associated Professor, Head of Laboratory of Aerodynamic and Acoustic Testing of Building Structures, Moscow State University of Civil Engineering (MSUCE), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 69 - 74

The authors discuss wind loads applied to a set of two buildings. The wind load is simulated with the help of the wind tunnel.
In the Russian Federation, special attention is driven to the aerodynamics of high-rise buildings and structures. According to the Russian norms, identification of aerodynamic coefficients for high-rise buildings, as well as the influence of adjacent buildings and structures, is performed on the basis of models of structures exposed to wind impacts simulated in the wind tunnel. This article deals with the results of the wind tunnel test of buildings. The simulation was carried out with the involvement of a model of two twenty-three storied buildings. The experiment was held in a wind tunnel of the closed type at in the Institute of Mechanics of Moscow State University.
Data were compared at the zero speed before and after the experiment. LabView software was used to process the output data. Graphs and tables were developed in the Microsoft Excel package. GoogleSketchUp software was used as a visualization tool.
The three-dimensional flow formed in the wind tunnel can't be adequately described by solving the two-dimensional problem. The aerodynamic experiment technique is used to analyze the results for eighteen angles of the wind attack.

DOI: 10.22227/1997-0935.2012.7.69 - 74

References
  1. Simiu E., Scanlan R. Vozdeystvie vetra na zdaniya i sooruzheniya [Wind Effects on Structures]. Moscow, Stroyizdat Publ., 1984, 360 p.
  2. Savitskii G.A. Vetrovaya nagruzka na sooruzheniya [Wind Loads Applied to Structures]. Moscow, 1972, 110 p.
  3. Berezin M.A., Katyushin V.V. Atlas aerodinamicheskikh kharakteristik stroitel’nykh konstruktsiy [Atlas of Aerodynamic Characteristics of Building Structures]. Novosibirsk, Olden-Poligrafiya Publ., 200 p.
  4. Doroshenko S.A. Eksperimental’noe opredelenie vetrovogo vozdeystviya na ploskie elementy stroitel’nykh konstruktsiy [Experimental Identification of Wind Effects on Plane Building Elements]. Fundamental’nye nauki v sovremennom stroitel’stve, 7th scientific and practical conference. [Proceedings of the Seventh All-Russian Scientific and Practical Conference “Fundamental Sciences in Contemporary Civil Engineering”]. Moscow, MSUCE, 2010, pp. 175—179.

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Strength and stability analysis of load-bearing structures of a high-rise building with account for actual positions of reinforced concrete structural members

Vestnik MGSU 4/2015
  • Belostotskiy Aleksandr Mikhaylovich - Moscow State University of Civil Engineering (MGSU) Doctor of Technical Sciences, Professor, Moscow State University of Civil Engineering (MGSU), ; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Akimov Pavel Alekseevich - Moscow State University of Civil Engineering (MGSU) Doctor of Technical Sciences, chair, Department of Computer Sciences and Applied Mathematics, Corresponding Member of Russian Academy of Architecture and Construction Sciences, chief research worker, Research and Educational Center of Computational Simulation of Unique Buildings, Structures and Complexes, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (499) 183-59-94, +7 (499) 929-50-17; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Petryashev Nikolay Olegovich - Moscow State University of Civil Engineering (MGSU) engineer, Research and Educational Center of Computational Simulation of Unique Buildings, Structures and Complexes, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (499) 183-59-94, +7 (499) 929-50-17; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Petryashev Sergey Olegovich - Moscow State University of Civil Engineering (MGSU) engineer, Research and Educational Center of Computational Simulation of Unique Buildings, Structures and Complexes, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (499) 183-59-94, +7 (499) 929-50-17; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Negrozov Oleg Aleksandrovich - Moscow State University of Civil Engineering (MGSU) postgraduate student, Department of Computer Sciences and Applied Mathematics, engineer, Research and Educational Center of Computational Simulation of Unique Buildings, Structures and Complexes, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (499) 183-59-94, +7 (499) 929-50-17; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 50-68

The given paper is devoted to strength and stability analysis of load-bearing structures of a high-rise (54-storey) building with allowance for actual positions of reinforced concrete structural members (columns and walls). Finite element method (FEM) is used for structural analysis. The authors present formulations of problems, governing equations, information about basic three-dimensional finite element models (so-called “design” (ideal) model, the first “actual” model (taking into account the deviations of positions of columns from the project) and the second “actual” model (taking into account the deviations of positions of walls from the project)) of the coupled system “high-rise building - foundation” within ANSYS Mechanical software and their verification, numerical approach to structural analysis and corresponding solvers. Finite element models include mainly 4-node structural shell elements (suitable for analyzing foundation slabs, floor slabs and load-bearing walls) and three-dimensional 2-node beam elements (suitable for analyzing beams and columns), special spring-damper elements and multipoint constraint elements. Detailed finite element mesh on the bottom foundation slab is agreed with the location of piles. The advanced model of Prof. Yu.K. Zaretsky is used for approximation of soil behavior. Construction sequence and various types of nonlinearities are taken into account. The results of modal analysis, static and dynamic analysis with various load combinations (gravity load, facade load, dead (constant) loads, temporary loads, wind load, snow load, crown load etc.) are considered, the results of the regulatory assessment of the strength of structures (obtained with the use of corresponding software in accordance with design codes of the Russian Federation) are under consideration as well. The corresponding displacements, stresses, natural vibration frequencies can be used for research and development of the correct monitoring method of the foundation and load-bearing structures of a high-rise building.

DOI: 10.22227/1997-0935.2015.4.50-68

References
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  2. Belostotskiy A.M. Opyt raschetnogo obosnovaniya sostoyaniya unikal'nykh (vysotnykh i bol'sheproletnykh) zdaniy i sooruzheniy [Experience of Numerical Analysis of Unique (High-Rise and Long Span) Buildings and Structures]. Vysotnye zdaniya [High-Rise Buildings]. 2014, no. 2, pp. 106—109. (In Russian)
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  4. Belostotskiy A.M. Chislennoe modelirovanie staticheskogo i dinamicheskogo napryazhenno-deformirovannogo sostoyaniya prostranstvennykh sistem «sooruzhenie — osnovanie — vodokhranilishche» s uchetom nelineynykh effektov otkrytiya — zakrytiya shvov i makrotreshchin : dissertatsiya doktora tekhnicheskikh nauk [Numerical Modeling of Static and Dynamic Stress-Strain State of Three-Dimensional Systems “Construction — Foundation — Reservoir” with an Allowance for Nonlinear Effects of Open/Close Joints and Macrofractures. Doctor of Technical Sciences Thesis]. Moscow, MGUP Publ., 1998, 367 p. (In Russian)
  5. Belostotskiy A.M., Akimov P.A., Pavlov A.S., Kaytukov T.B., Afanas'eva I.N. O razrabotke, issledovanii i verifikatsii korrektnykh chislennykh metodov resheniya nelineynykh zadach deformirovaniya, ustoychivosti i zakriticheskogo povedeniya tonko-stennykh obolochechno-sterzhnevykh konstruktsiy [On the Development, Research and Verification of Correct Numerical Methods of Nonlinear Strength, Stability and Post-Critical Analysis of Thin-Walled Shell-Beam Structures]. Stroitel'naya mekhanika i raschet sooruzheniy [Structural Mechanics and Calculation of Structures]. 2014, no. 5 (256), pp. 7—13. (In Russian)
  6. Belostotskiy A.M., Sidorov V.N., Akimov P.A., Kashevarova G.G. Matematicheskoe modelirovanie tekhnogennoy bezopasnosti otvetstvennykh stroitel'nykh ob
  7. Belostotskiy A.M., Pen'kovoy S.B., Shcherbina S.V., Kaytukov T.B., Akimov P.A. Razrabotka i verifikatsiya metodiki chislennogo modelirovaniya NDS, prochnosti i ustoychivosti mnogoetazhnykh panel'nykh zdaniy [Development and Verification of Numerical Approach to Modeling of Stress-Strain State, Strength and Stability of Multistory Panel Buildings]. Stroitel'naya mekhanika i raschet sooruzheniy [Structural Mechanics and Calculation of Structures]. 2014, no. 6 (257), pp. 24—30. (In Russian)
  8. Senin N.I., Akimov P.A. Nekotorye matematicheskie osnovy rascheta prostranstvennykh nesushchikh sistem mnogoetazhnykh zdaniy v lineynoy postanovke v ramkakh diskretno-kontinual'noy modeli [Several Mathematical Foundations of Linear Analysis of Three-Dimensional Load-Bearing Systems of Multistory Buildings within Discrete-Continual Model]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2011, no. 2, vol. 1, pp. 44—50. (In Russian)
  9. Akimov P.A. Correct Discrete-Continual Finite Element Method of Structural Analysis Based on Precise Analytical Solutions of Resulting Multipoint Boundary Problems for Systems of Ordinary Differential Equations. Applied Mechanics and Materials. 2012, vols. 204—208, pp. 4502—4505. DOI: http://dx.doi.org/10.4028/www.scientific.net/AMM.204-208.4502.
  10. Akimov P.A., Belostosky A.M., Moz-galeva M.L., Mojtaba Aslami, Negrozov O.A. Correct Multilevel Discrete-Continual Finite Element Method of Structural Analysis. Advanced Materials Research. 2014, vol. 1040, pp. 664—669.
  11. Akimov P.A., Mozgaleva M.L. Method of Extended Domain and General Principles of Mesh Approximation for Boundary Problems of Structural Analysis. Applied Mechanics and Materials. 2014, vols. 580—583, pp. 2898—2902. DOI: http://dx.doi.org/10.4028/www.scientific.net/AMM.580-583.2898.
  12. Dong J., Bathe K.J. Component Mode Synthesis with Subspace Iterations for Controlled Accuracy of Frequency and Mode Shape Solutions. Computers & Structures. 2014, vol. 139, pp. 28—32. DOI: http://dx.doi.org/10.1016/j.compstruc.2014.03.003.
  13. Jeon H.M., Lee Y., Lee P.S., Bathe K.J. The MITC3+ Shell Element in Geometric Nonlinear Analysis. Computers & Structures. 2015, vol. 146, pp. 91—104. DOI:http://dx.doi.org/10.1016/j.compstruc.2014.09.004.
  14. Kim J., Bathe K.J. Towards a Procedure to Automatically Improve Finite Element Solutions by Interpolation Covers. Computers & Structures. 2014, vol. 131, pp. 81—97. DOI: http://dx.doi.org/10.1016/j.compstruc.2013.09.007.
  15. Sussman T., Bathe K.J. 3D-shell Elements for Structures in Large Strains. Computers & Structures. 2013, vol. 122, pp. 2—12. DOI: http://dx.doi.org/10.1016/j.compstruc.2012.12.018.
  16. Afanas'eva I.N. Adaptivnaya metodika chislennogo modelirovaniya trekhmernykh dinamicheskikh zadach stroitel'noy aerogidrouprugosti : dissertatsiya kandidata tekhnicheskikh nauk [Adaptive Procedure of Numerical Modeling of Three-Dimensional Dynamic Problems of Construction Aerohydroelasticity. Candidate of Technical Sciences Thesis]. Moscow, MGSU Publ., 2014, 200 p. (In Russian)
  17. Kalichava D.K. Adaptivnye dinamicheskie konechnoelementnye modeli v osnove monitoringa nesushchikh konstruktsiy vysotnykh zdaniy : dissertatsiya kandidata tekhnicheskikh nauk [Adaptive Dynamic Finite Element Models as a Base for Monitoring of Load-Bearing Structures of High-rise Buildings. Candidate of Technical Sciences Thesis]. Moscow, MGSU Publ., 2012, 149 p. (In Russian)
  18. Kabantsev O.V., Tamrazyan A.G. Uchet izmeneniy raschetnoy skhemy pri analize raboty konstruktsiy [Structural Analysis with Allowance for Modification of Computational Scheme]. Inzhenerno-stroitel'nyy zhurnal [Magazine of Civil Engineering]. 2014, no. 5 (49), pp. 15—26. (In Russian)
  19. Kabantsev O.V. Verifikatsiya raschetnoy tekhnologii «Montazh» programmnogo kompleksa «SCAD» [Verification of Calculation Technology “Mounting” from Software Complex “SCAD”]. International Journal for Computational Civil and Structural Engineering. 2011, vol. 7, issue 3, pp. 103—109. (In Russian)
  20. Kabantsev O.V. Metod rascheta mnogoetazhnykh zdaniy s uchetom protsessa izmeneniya raschetnoy skhemy pri razlichnykh rezhimakh raboty raboty [Analysis Methods of Multi-storeyed Buildings with the Allowance for Modification of Structural Design under Various Operation Conditions]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering]. 2013, no. 10, pp. 43—51. (In Russian)
  21. Kabantsev O.V., Karlin A.V. Raschet nesushchikh konstruktsiy zdaniy s uchetom istorii vozvedeniya i poetapnogo izmeneniya osnovnykh parametrov raschetnoy modeli [Analysis of Load-Bearing Structures with Allowance for Construction Sequence and Step-by-Step Modification of Basic Parameters of Computing Model]. Promyshlennoe i grazhdanskoe stroitel'stvo [Industrial and Civil Engineering]. 2012, no. 7, pp. 33—35. (In Russian)
  22. Kabantsev O., Perelmuter A. Modeling Transition in Design Model when Analyzing Specific Behaviors of Structures. Procedia Engineering. 2013, vol. 57, pp. 479—488.
  23. 2 3. Kim H.S., Shin A.K. Column Shortening Analysis with Lumped Construction Sequences. Procedia Engineering. 2011, vol. 14, pp. 1791—1798.
  24. Aul A.A., Belostotskiy A.M., Krakovskiy M.B. Raschet zhelezobetonnykh konstruktsiy pri sovmestnom ispol'zovanii programm ANSYS i «OM SNiP Zhelezobeton» [Analysis of Reinforced Structures with the Use of ANSYS Software and “OM Snip Zhelezobeton” Package]. Beton i zhelezobeton [Concrete and Reinforced Concrete]. 2011, no. 5, pp. 19—23. (In Russian)
  25. Belokopytova I.A., Kriksunov E.Z., Mikitarenko M.A., Perel'muter M.A. «Arbat» — programma dlya rascheta zhelezobetonnykh stroitel'nykh konstruktsiy [“ARBAT” — Software for Reinforced Building Structures Analysis]. CADmaster. 2001, no. 4 (9), pp. 57—61. (In Russian)
  26. Kukushkin I.S. SCAD Office V.21. Novyy oblik [SCAD Office V.21. New Profile]. CADmaster. 2014, no. 3—4 (76—77), pp. 100—102. (In Russian)
  27. Perel'muter M.A., Chertkov V.V. O komp'yuternom raschete elementov betonnykh i zhelezobetonnykh konstruktsiy [On Computational Analysis of Concrete and Reinforced Concrete Structures]. Beton i zhelezobeton [Concrete and Reinforced Concrete]. 2014, no. 3, pp. 14—16. (In Russian)
  28. Perel'muter M.A., Popok K.V., Skoruk L.N. Raschet shiriny raskrytiya normal'nykh treshchin po SP 63.13330.2012 [Calculation of the Normal Crack Opening Width for SP 63.13330.2012]. Beton i zhelezobeton [Concrete and Reinforced Concrete]. 2014, no. 1, pp. 21—22. (In Russian)

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ANALYSIS OF EXPOSURE OF REINFORCED CONCRETE BUILDINGS TO TEMPERATURE LOADS

Vestnik MGSU 5/2012
  • Mkrtychev Oleg Vartanovich - Moscow State University of Civil Engineering (MSUCE) Doctor of Technical Sciences, Professor, Department of Strength of Materials, Moscow State University of Civil Engineering (MSUCE), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Sidorov Dmitriy Sergeevich - Moscow State University of Civil Engineering (MSUCE) postgraduate student, Moscow State University of Civil Engineering (MSUCE), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 50 - 55

The co-authors consider the problem of analysis of building structures in respect of combined effects of forces and temperatures. Results of fire tests of reinforced concrete walls and slabs are presented. Overview of the analysis of the fire resistance of reinforced-concrete buildings is also provided.
As a result of the research, numerical solutions were obtained in respect of deflections, stresses, deformations and internal forces arising in a reinforced concrete bearing wall and plate exposed to a combination of forces and thermal loads. Comparative analysis of the experimental data and the results of the numerical solution was performed. The conclusion is that the experimental data are in good fit to the results of the numerical solution.
Overall limit state of the monolithic building under consideration in terms of its fire resistance means its failure as a result of collapse. The limit state value is equal to 60; therefore, it is equal to 60 minutes. This value, if considered in respect of separate bearing elements, fits the fire resistance limit of buildings of Grade III (Fire Resistance) that is equal to 45. Evidently, assurance of higher fire resistance limits of the building under consideration requires special fire safety actions to be applied.

DOI: 10.22227/1997-0935.2012.5.50 - 55

References
  1. GOST 30247.1-94. Konstruktsii stroitel’nye. Metody ispytaniy na ognestoykost’. Nesushchie i ograzhdayushchie konstruktsii [State Standard 30247.1-94. Building structures. Methods of Testing for Fire Resistance. Bearing and Envelope Structures]. Moscow, IPK Izdatel’stvo standartov [IPK Publishing House of Standards], 1995.
  2. Federal Law of 22.07.2008 N 123-FZ. Tekhnicheskiy reglament o trebovaniyakh pozharnoy bezopasnosti [Technical Regulations Governing Fire Safety Requirements]. Parlamentskaya gazeta [The Parliamentary Newspaper]. July 31, 2008.
  3. GOST 30247.0-94. Konstruktsii stroitel’nye. Metody ispytaniy na ognestoykost’. Obshchie trebovaniya [State Standard 30247.0-94. Building Structures. Methods of Testing for Fire Resistance. General Requirements]. Moscow, IPK Izdatel’stvo standartov [IPK Publishing House of Standards], 1996.
  4. Milovanov A.F. Stoykost’ zhelezobetonnykh konstruktsiy pri pozhare. M. [Durability of Reinforced Concrete Structures in Case of Fire]. Moscow, Stroyizdat Publ., 1998, 304 p.
  5. Bushev V.P. Issledovanie ognestoykosti odnosloynykh nesushchikh zhelezobetonnykh sten [Research of the Fire Resistance of Single-Layer Bearing Reinforced Concrete Walls]. Moscow, 1972.
  6. Mkrtychev O.V, Mkrtychev A.E. Raschet bol’sheproletnykh i vysotnykh sooruzheniy na ustoychivost’ k progressiruyushchemu obrusheniyu pri seysmicheskikh i avariynykh vozdeystviyakh v nelineynoy dinamicheskoy postanovke [Analysis of Resistance of Long-Span and High-Rise Buildings to Progressive Collapse under Seismic and Accidental Impacts in the event of Nonlinear Dynamic Formulation]. Stroitel’naya mekhanika i raschet sooruzheniy [Structural Mechanics and Analysis of Structures]. 2009, no. 4, p. 43—49.
  7. STO 36554501-006—2006. Pravila po obespecheniyu ognestoykosti i ognesokhrannosti zhelezobetonnykh konstruktsiy [Standards of Organizations 36554501-006—2006. Fire Resistance and Fire Endurance Rules for Reinforced Concrete Structures]. Moscow, FGUP «Stroitel’stvo» [Federal State Unitary Enterprise “Construction”], 2006.

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Investigation of the effect of additives on the basis of pickling solutions containing iron salts on the structure and strength of fine concrete

Vestnik MGSU 1/2016
  • Lukuttsova Natal’ya Petrovna - Federal State Educational Institution of Higher Education Bryansk State Technological University of Engineering Doctor of Technical Sciences, Professor, chair, Department of Building Structures Production, Federal State Educational Institution of Higher Education Bryansk State Technological University of Engineering, prospekt Stanke Dimitrova str., Bryansk, 241037, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Pashayan Ararat Aleksandrovich - Federal State Educational Institution of Higher Education Bryansk State Technological University of Engineering Doctor of Chemical Sciences, Professor, chair, Department of Chemistry, Federal State Educational Institution of Higher Education Bryansk State Technological University of Engineering, prospekt Stanke Dimitrova str., Bryansk, 241037, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Khomyakova Ekaterina Nikolaevna - Federal State Educational Institution of Higher Education Bryansk State Technological University of Engineering postgraduate student, Department of Building Structures Production, Federal State Educational Institution of Higher Education Bryansk State Technological University of Engineering, prospekt Stanke Dimitrova str., Bryansk, 241037, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 94-104

The modern tendencies of construction industry development are connected with the use of new high-efficient materials with the application of resource- and energy-saving technologies of their generation. The use of industrial man-made products as the components improving the characteristics of construction products is now a promising field of research. The article presents the results of the use of waste pickling solutions of steel rolling factories, containing salts of iron as nanomodified additives for the products based on cement binder. The effectiveness of the influence of the considered additives on the structure and strength of fine-grained concrete is shown. If using this additive in the amount of 0.32 % from the mass of cement for 28 days of natural hardening, the fine concrete strength is growing by 1.8 times due to additional formation of hydrosilicates, densification of structure and reduction of the total porosity of the cement system by 2 times.

DOI: 10.22227/1997-0935.2016.1.94-104

References
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EXPERIENCE OF CONSTRUCTION OF HIGH-RISE BUILDING FOUNDATIONS IN THE CONDITIONS OF THE SOUTH OF TYUMEN REGION

Vestnik MGSU 3/2018 Volume 13
  • Pronozin Yakov Aleksandrovich - Industrial University of Tyumen (IUT) Doctor of Technical Science, Associate Professor, Vice-Rector for Research, Industrial University of Tyumen (IUT), 38 Volodarskogo str., Tyumen, 625000, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Stepanov Maksim Andreevich - Industrial University of Tyumen (IUT) Candidate of Technical Science, Associate Professor, Department of Geotechnics, Industrial University of Tyumen (IUT), 38 Volodarskogo str., Tyumen, 625000, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Volosyuk Denis Viktorovich - OOO «GEOFOND+» engineer, OOO «GEOFOND+», 416 office, 7a, Yamskaya str., Tyumen, 625001, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Shuvaev Anatoliy Nikolaevich - Industrial University of Tyumen (IUT) Doctor of Technical Science, Professor, Research Scientist, Industrial University of Tyumen (IUT), 38 Volodarskogo str., Tyumen, 625000, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Rybak Gennadiy Igorevich - Department of Geotechnics, Industrial University of Tyumen (IUT) Postgraduate Student, Department of Geotechnics, Industrial University of Tyumen (IUT), 38 Volodarskogo str., Tyumen, 625000, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 282-292

Subject: foundatons of high-rise buildings in Tyumen which possess the properties of active regulation of their interaction with the soil bed. Research objectives: assessment of the experience of using soil bed pressing for combined footings, and application of strip-shell footings for construction of high-rise buildings (up to 25 floors or 75 m high) in the presence of highly compressible soil. Materials and methods: geotechnical monitoring data of the technical condition of residential high-rise buildings during the construction process and in operation. Results: the results of monitoring 17-storey residential building and three 22-storey residential buildings prove that the strip-shell foundation is highly efficient. Its efficiency consists in decrease of settlements as compared to slab foundations, and also reduction of cost and construction duration. Practical applications of combined strip-pile foundations with the possibility of regulation of stress-strain behavior of soil bed by its pressing confirmed the efficiency of the developed design solutions. This efficiency consists in assurance of operational reliability of objects of construction, and also decrease of material consumption and the cost as compared to traditional pile-slab foundations. Conclusions: taking into account the obtained results and a general progress in geotechnical science and technologies, practical application of foundations which possess the properties of active regulation of their interaction with the soil bed allows us to decrease the cost associated with their construction for high-rise buildings, especially in the presence of highly compressible soil beds.

DOI: 10.22227/1997-0935.2018.3.282-292

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