Error
  • Error loading Modules:Can't create/write to file '/var/lib/mysql/tmp/#sql_bd4_0.MYI' (Errcode: 30) SQL=SELECT id, title, module, position, content, showtitle, control, params FROM jos_modules AS m LEFT JOIN jos_modules_menu AS mm ON mm.moduleid = m.id WHERE m.published = 1 AND m.access <= 0 AND m.client_id = 0 AND ( mm.menuid = 8 OR mm.menuid = 0 ) ORDER BY position, ordering
  • Error loading Modules:Can't create/write to file '/var/lib/mysql/tmp/#sql_bd4_0.MYI' (Errcode: 30) SQL=SELECT id, title, module, position, content, showtitle, control, params FROM jos_modules AS m LEFT JOIN jos_modules_menu AS mm ON mm.moduleid = m.id WHERE m.published = 1 AND m.access <= 0 AND m.client_id = 0 AND ( mm.menuid = 8 OR mm.menuid = 0 ) ORDER BY position, ordering
  • Error loading Modules:Can't create/write to file '/var/lib/mysql/tmp/#sql_bd4_0.MYI' (Errcode: 30) SQL=SELECT id, title, module, position, content, showtitle, control, params FROM jos_modules AS m LEFT JOIN jos_modules_menu AS mm ON mm.moduleid = m.id WHERE m.published = 1 AND m.access <= 0 AND m.client_id = 0 AND ( mm.menuid = 8 OR mm.menuid = 0 ) ORDER BY position, ordering
  • Error loading Modules:Can't create/write to file '/var/lib/mysql/tmp/#sql_bd4_0.MYI' (Errcode: 30) SQL=SELECT id, title, module, position, content, showtitle, control, params FROM jos_modules AS m LEFT JOIN jos_modules_menu AS mm ON mm.moduleid = m.id WHERE m.published = 1 AND m.access <= 0 AND m.client_id = 0 AND ( mm.menuid = 8 OR mm.menuid = 0 ) ORDER BY position, ordering
  • Error loading Modules:Can't create/write to file '/var/lib/mysql/tmp/#sql_bd4_0.MYI' (Errcode: 30) SQL=SELECT id, title, module, position, content, showtitle, control, params FROM jos_modules AS m LEFT JOIN jos_modules_menu AS mm ON mm.moduleid = m.id WHERE m.published = 1 AND m.access <= 0 AND m.client_id = 0 AND ( mm.menuid = 8 OR mm.menuid = 0 ) ORDER BY position, ordering
  • Error loading Modules:Can't create/write to file '/var/lib/mysql/tmp/#sql_bd4_0.MYI' (Errcode: 30) SQL=SELECT id, title, module, position, content, showtitle, control, params FROM jos_modules AS m LEFT JOIN jos_modules_menu AS mm ON mm.moduleid = m.id WHERE m.published = 1 AND m.access <= 0 AND m.client_id = 0 AND ( mm.menuid = 8 OR mm.menuid = 0 ) ORDER BY position, ordering
  • Error loading Modules:Can't create/write to file '/var/lib/mysql/tmp/#sql_bd4_0.MYI' (Errcode: 30) SQL=SELECT id, title, module, position, content, showtitle, control, params FROM jos_modules AS m LEFT JOIN jos_modules_menu AS mm ON mm.moduleid = m.id WHERE m.published = 1 AND m.access <= 0 AND m.client_id = 0 AND ( mm.menuid = 8 OR mm.menuid = 0 ) ORDER BY position, ordering
  • Error loading Modules:Can't create/write to file '/var/lib/mysql/tmp/#sql_bd4_0.MYI' (Errcode: 30) SQL=SELECT id, title, module, position, content, showtitle, control, params FROM jos_modules AS m LEFT JOIN jos_modules_menu AS mm ON mm.moduleid = m.id WHERE m.published = 1 AND m.access <= 0 AND m.client_id = 0 AND ( mm.menuid = 8 OR mm.menuid = 0 ) ORDER BY position, ordering
  • Error loading Modules:Can't create/write to file '/var/lib/mysql/tmp/#sql_bd4_0.MYI' (Errcode: 30) SQL=SELECT id, title, module, position, content, showtitle, control, params FROM jos_modules AS m LEFT JOIN jos_modules_menu AS mm ON mm.moduleid = m.id WHERE m.published = 1 AND m.access <= 0 AND m.client_id = 0 AND ( mm.menuid = 8 OR mm.menuid = 0 ) ORDER BY position, ordering
  • Error loading Modules:Can't create/write to file '/var/lib/mysql/tmp/#sql_bd4_0.MYI' (Errcode: 30) SQL=SELECT id, title, module, position, content, showtitle, control, params FROM jos_modules AS m LEFT JOIN jos_modules_menu AS mm ON mm.moduleid = m.id WHERE m.published = 1 AND m.access <= 0 AND m.client_id = 0 AND ( mm.menuid = 8 OR mm.menuid = 0 ) ORDER BY position, ordering
  • Error loading Modules:Can't create/write to file '/var/lib/mysql/tmp/#sql_bd4_0.MYI' (Errcode: 30) SQL=SELECT id, title, module, position, content, showtitle, control, params FROM jos_modules AS m LEFT JOIN jos_modules_menu AS mm ON mm.moduleid = m.id WHERE m.published = 1 AND m.access <= 0 AND m.client_id = 0 AND ( mm.menuid = 8 OR mm.menuid = 0 ) ORDER BY position, ordering
  • Error loading Modules:Can't create/write to file '/var/lib/mysql/tmp/#sql_bd4_0.MYI' (Errcode: 30) SQL=SELECT id, title, module, position, content, showtitle, control, params FROM jos_modules AS m LEFT JOIN jos_modules_menu AS mm ON mm.moduleid = m.id WHERE m.published = 1 AND m.access <= 0 AND m.client_id = 0 AND ( mm.menuid = 8 OR mm.menuid = 0 ) ORDER BY position, ordering
  • Error loading Modules:Can't create/write to file '/var/lib/mysql/tmp/#sql_bd4_0.MYI' (Errcode: 30) SQL=SELECT id, title, module, position, content, showtitle, control, params FROM jos_modules AS m LEFT JOIN jos_modules_menu AS mm ON mm.moduleid = m.id WHERE m.published = 1 AND m.access <= 0 AND m.client_id = 0 AND ( mm.menuid = 8 OR mm.menuid = 0 ) ORDER BY position, ordering
  • Error loading Modules:Can't create/write to file '/var/lib/mysql/tmp/#sql_bd4_0.MYI' (Errcode: 30) SQL=SELECT id, title, module, position, content, showtitle, control, params FROM jos_modules AS m LEFT JOIN jos_modules_menu AS mm ON mm.moduleid = m.id WHERE m.published = 1 AND m.access <= 0 AND m.client_id = 0 AND ( mm.menuid = 8 OR mm.menuid = 0 ) ORDER BY position, ordering
  • Error loading Modules:Can't create/write to file '/var/lib/mysql/tmp/#sql_bd4_0.MYI' (Errcode: 30) SQL=SELECT id, title, module, position, content, showtitle, control, params FROM jos_modules AS m LEFT JOIN jos_modules_menu AS mm ON mm.moduleid = m.id WHERE m.published = 1 AND m.access <= 0 AND m.client_id = 0 AND ( mm.menuid = 8 OR mm.menuid = 0 ) ORDER BY position, ordering
  • Error loading Modules:Can't create/write to file '/var/lib/mysql/tmp/#sql_bd4_0.MYI' (Errcode: 30) SQL=SELECT id, title, module, position, content, showtitle, control, params FROM jos_modules AS m LEFT JOIN jos_modules_menu AS mm ON mm.moduleid = m.id WHERE m.published = 1 AND m.access <= 0 AND m.client_id = 0 AND ( mm.menuid = 8 OR mm.menuid = 0 ) ORDER BY position, ordering
  • Error loading Modules:Can't create/write to file '/var/lib/mysql/tmp/#sql_bd4_0.MYI' (Errcode: 30) SQL=SELECT id, title, module, position, content, showtitle, control, params FROM jos_modules AS m LEFT JOIN jos_modules_menu AS mm ON mm.moduleid = m.id WHERE m.published = 1 AND m.access <= 0 AND m.client_id = 0 AND ( mm.menuid = 8 OR mm.menuid = 0 ) ORDER BY position, ordering

DESIGNING AND DETAILING OF BUILDING SYSTEMS. MECHANICS IN CIVIL ENGINEERING

Research into interrelations between plasticity and hardness of standardstrength steel grades

Vestnik MGSU 3/2013
  • Gustov Yuriy Ivanovich - Moscow State University of Civil Engineering (MGSU) Doctor of Technical Sciences, Profes- sor, Department of Machinery, Machine Elements and Process Metallurgy; +7 (499) 183-94-95, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Rus- sian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Voronina Irina Vladimirovna - Moscow State University of Civil Engineering (MGSU) Senior Lecturer, Department of Building and Hoisting Machinery, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; +7 (499) 182-16-87; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Allattouf Hassan Latuf - Moscow State University of Civil Engineering (MGSU) postgraduate student, Department of Machinery, Machine Elements and Process Metallurgy, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Rus- sian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 46-52

The objective of the study is research into interrelation between values of plasticity(d, y) and hardness (HB).Numerical values of hardness are insufficient to make accurate assessments of plasticity values. Meanwhile, hardness is the property identified using small-sized samples extracted from the metalwork of restored and reconstructed buildings. The most suitable method is the Rockwell one used to obtain HRB or HRC hardness values. However, these values maintain an analytical relationship neither with durability, nor with plasticity values. The difference between metal testing methods consists in their relation to dimensions: HRB and HRC values are dimensionless, while HB values are size dependent (kgf/mm2, or MPa). Therefore, the approach employed in this article can be used to generate supplementary information about the properties of metals using HRB or HRC hardness measurements.It is noteworthy that the proposed technique of coordination of HRB hardness val-ues with HB hardness values may be employed to, first, analyze σ and σ sizes using HBт вvalues, and second, to identify the nature of relationship between HRB, on the one hand,and d and y values, on the other hand, to compose the equation of relative strength and plasticity values and to assess the most important factor of reliability of metals.

DOI: 10.22227/1997-0935.2013.3.46-52

References
  1. Tylkin M.A. Spravochnik termista remontnoy sluzhby [Reference Book for a Heat Treater of the Repair Service]. Moscow, Metallurgiya Publ., 1981, 647 p.
  2. Mozberg R.K. Materialovedenie [Material Engineering]. Valgus Publ., Tallinn, 1976, p. 554.
  3. Gulyaev A.P. Metallovedenie [Metal Engineering]. Moscow, Metallurgiya Publ., 1986, 541 p.
  4. Arzamasov B.N., Makarova V.I., Mukhin G.G. Materialovedenie [Material Engineering]. Moscow, MGTU im. N.E. Baumana publ., 2008, 648 p.
  5. GOST 8479—70. Kategorii prochnosti, normy mekhanicheskikh svoystv, opredelennye pri ispytanii na prodol’nykh obraztsakh, i normy tverdosti [All-Russian State Standard 8479—70. Strength Categories, Standards of Mechanical Properties Identified in the Course of Testing of Longitudinal Samples, and Standards of Hardness].
  6. Gustov Yu.I., Gustov D.Yu., Bol’shakov V.I. Prochnostno-plasticheskaya indeksatsiya metallicheskikh materialov [Strength and Plasticity Indexing of Metal Materials]. Metallurgiya i gornorudnaya promyshlennost’ [Metallurgy and Mining Industry]. 1996, no. 3-4, pp. 31—33.
  7. Gustov Yu.I., Gustov D.Yu. Issledovanie vzaimosvyazi mekhanicheskikh svoystv metallicheskikh materialov. Teoreticheskie osnovy stroitel’stva. Doklady VII Pol’sko-rossiyskogo seminara [Research into Interrelations between Mechanical Properties of Metal Materials. Theoretical Fundamentals of Civil Engineering. Collected works of the 7th Russian-Slovak-Polish Seminar]. Moscow, ASV Publ., 1998, pp. 225—228.
  8. Gustov Yu.I., Gustov D.Yu., Voronina I.V. Opredelenie tverdosti staley po khimicheskomu sostavu i uglerodnomu ekvivalentu. Teoreticheskie osnovy stroitel’stva. Doklady XVII Pol’sko-rossiysko-slovatskogo seminara [Analysis of Steel Hardness on the Basis of the Chemical Composition and Carbon Equivalent. Theoretical Fundamentals of Civil Engineering. Collected works of the 7th Polish-Russian-Slovak Seminar]. Part 2. Zilina, 2008, pp. 237—244.
  9. Gustov Yu.I., Gustov D.Yu., Voronina I.V. Sinergeticheskie kriterii metallicheskikh materialov. Teoreticheskie osnovy stroitel’stva. Doklady XV Rossiysko-slovatsko-pol’skogo seminara [Synergetic Criteria of Metal Materials. Theoretical Fundamentals of Civil Engineering. Collected works of the 15th Russian-Slovak-Polish Seminar]. Warsaw, 2006, pp. 179—184.
  10. Skudnov V.A. Primenenie kompleksov razrusheniya sinergetiki dlya otsenki sostoyaniya i povedeniya (rabotosposobnosti) metallov. Fraktaly i prikladnaya sinergetika «FiPS-2005». Trudy IV mezhdunar. mezhdistsiplinarnogo simpoziuma. [Application of Synergy Destruction Sets in Assessment of Condition and Behaviour (Serviceability) of Metals. Fractals and Applied Synergy «FiPS-2005». Works of the 4th International Inter-disciplinary Symposium]. Moscow, Interkontakt Nauka Publ., 2005, pp. 221—226.
  11. Sorokin V.G., Volosnikova A.V., Vyatkin S.A. Marochnik staley i splavov [Reference Book of Steel and Alloy Grades]. Moscow, Mashinostroenie Publ., 1989, 640 p.

Download

RESEARCH OF SYNERGETIC PROPERTIES OF HIGH-STRENGTH STRUCTURAL STEEL 14Х2GMR IN THE AFTERMATH OF EXPOSURE TO HEAT TREATMENT

Vestnik MGSU 6/2012
  • Gustov Yuriy Ivanovich - Moscow State University of Civil Engineering (MGSU) Doctor of Technical Sciences, Profes- sor, Department of Machinery, Machine Elements and Process Metallurgy; +7 (499) 183-94-95, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Rus- sian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Allattouf Hassan Lattouf - Moscow State University of Civil Engineering (MGSU) postgraduate student, Department of Mechanic Equip- ment, Details of Machines and Technology of Metals, 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 79 - 82

The article represents a brief overview of the properties of steel type 14X2GMR (Russian standards), a high-performance synergetic structural steel exposed to different modes of heat treatment.
The author demonstrates that the best set of the steel properties was obtained upon its normalization (Option 5). An alternative option is Option 1 (water quenching). This steel demonstrates its ≈ 1,0, which indicates the proximity between the uniform δр value and the concentrated δc value as the constituents of δ, the elongation value.
The best set of δр ,Ψр ,p, c, Кзт and p/c values is demonstrated by the steel at the normal temperature of 20 °C. An alternative set of criteria properties is identified at -60 °С.
The final choice of the optimal heat treatment mode and the operating temperature is recommended to be based on the maximal values of = p/c and the static viscosity
c = 0,5(k - σT)1n[1/(1 - Ψ)].
Given the resistance of steel to cracking during welding (Δ= 1,5; PSK= -0,25<0), it can be recommended for heavy-duty welded parts and assemblies.

DOI: 10.22227/1997-0935.2012.6.79 - 82

References
  1. Bol’shakov V.I. Substrukturnoe uprochnenie konstruktsionnykh staley [Substructural Strengthening of Structural Steels], a monograph. Canada, 1998, 316 p.
  2. Spravochnik po spetsial’nym rabotam. Svarochnye raboty v stroitel’stve [Reference Book of Specialty Assignments. Welding in Construction]. Moscow, 1971, Part 1, 464 p.

Download

METHODOLOGICAL SUBSTANTIATION OF PATTERNS OF DEVELOPMENT OF THE SYSTEM OF MANAGEMENT OF THE INVESTMENT AND CIVIL ENGINEERING INDUSTRY WITH ACCOUNT FOR ITS SYSTEMIC CHARACTERISTICS

Vestnik MGSU 7/2012
  • Uvarova Svetlana Sergeevna - Voronezh State University of Architecture and Civil Engineering (Voronezh GASU) Doctor of Economical Sciences, Associate Professor, Department of Economy and Bases of Entrepreneurship, Voronezh State University of Architecture and Civil Engineering (Voronezh GASU), 84 20-letiya Oktyabrya str., Voronezh, 394006, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 177 - 182

The methodology of research of organizational and economic drivers of development of the civil engineering industry represents a cluster of interrelated methods, techniques, procedures, algorithms and models that shape up the basis for the development and implementation of effective management actions impacted by intrinsic fluctuations of the civil engineering industry, the local legislation, national and global economies. The proposed method contributes to the improvement of sustainability of construction companies and the construction industry. It also facilitates an inflow of capital into the investment sector of the construction industry and accelerates the economic growth of Russia.
The proposed methodology is based on a synthesis of several scientific theories, such as the evolutionary theory, the theory of self-organization (the synergetic theory, the theory of changes and the catastrophe theory), the theory of cyclical development, the systems theory, the organizational theory, the institutional theory, and the pricing theory.
There are many potential patterns of the system development; however, the awareness of the resonant excitation, feedback and the cumulative effect make it possible to predict the most probable changes. Random fluctuations are also exposed to these effects.
Implementation of the proposed methodology makes it possible to generate science-based management solutions that ensure the development and implementation of effective management procedures.

DOI: 10.22227/1997-0935.2012.7.177 - 182

References
  1. Menar K. Ekonomika organizatsiy [Economics of Organizations]. Moscow, INFRA-M Publ., 1996, 160 p.
  2. Abdeev R.F. Filosofiya informatsionnoy tsivilizatsii [The Philosophy of Information-intensive Civilization]. Moscow, VLADOS Publ., 1994, 336 p.
  3. Viktorov M.Yu., Larionov A.N. Samoregulirovanie v stroitel’noy sfere [Self-regulation in the Construction Industry]. Moscow, St. Petersburg, IMKA-Media Publ., 2010, 464 p.
  4. Vaslavskaya I.Yu. Institutsional’nye osnovy gosudarstvennoy sobstvennosti v sisteme natsional’noy ekonomiki v postkrizisnyy period [Institutional Fundamentals of the State-owned Property within the National Economy of the Post-crisis Period]. Moscow, 2010, 36 p.
  5. Zimovskaya O.A. Mekhanizmy uregulirovaniya konfliktov i razresheniya sporov v usloviyakh samoregulirovaniya stroitel’noy deyatel’nosti [Mechanisms of Conflict Management and Dispute Resolution within the Framework of Self-regulated Construction Operations]. Moscow - Arkhangelsk, Granitsa Publ., 2008, 38 p.
  6. Knyazeva E.N., Kurdyumov S.P. Zakony evolyutsii i samoorganizatsii slozhnykh sistem [Patterns of Evolution and Self-organization of Complex Systems]. Moscow, 1994, 236 p.
  7. Ustoychivoe razvitie: mneniya uchenykh [Sustainable Development: Opinions of Scholars]. Moscow, Moskovskiy gosuniversitet kommertsii [Moscow State University of Commerce], 352 p.
  8. Sukharev O.S. Strukturnye problemy ekonomiki Rossii: teoreticheskoe obosnovanie i prakticheskie resheniya [Structural Problems of the Russian Economy: Theoretical Basis and Practical Solutions]. Moscow, Finansy i Statistika Publ., 2010,192 p.
  9. Shcherbenko E.V. Mekhanizmy ustoychivogo razvitiya ekonomiki otrasli [Mechanisms for Sustainable Economic Development of the Industry]. Problemy sovremennoy ekonomiki [Problems of the Modern Economy]. 2008, no. 3(27), pp. 151—155.

Download

Results 1 - 3 of 3