Mechanical Properties of Cement Porous Concrete at Uniaxial Compression with Due Regard for Regularities of Its Creep

Number of journal: №11-2016
Autors:

M.V. NOVIKOV
E.M. CHERNYSHOV
G.S. SLAVCHEVA

DOI: https://doi.org/10.31659/0585-430X-2016-743-11-26-31
УДК: 624.012.4

 

AbstractAbout AuthorsReferences
Results of the experimental studies of the force resistance and deformation of compressed elements from porous concrete of 1200–1600 kg/m3 density of various structural modifications (fine grain and micro grain) are presented. On the basis of research date, mechanical properties are complexly characterized; a criterion number of strength and deformation characteristics of porous concretes with due regard for the influence of long-time processes due to concrete hardening and external force factors is proposed. On the basis of data on the long-term resistance of porous concrete and change in its strength in time, calculation characteristics and coefficients of operation conditions of porous concrete are established for calculation and design of structures. It is shown that according to structural indicators, porous concretes meet normative requirements and occupy the intermediate place between cellular and light concretes of equal strength with porous fillers.
M.V. NOVIKOV, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
E.M. CHERNYSHOV, Doctor of Sciences (Engineering), Academician of RAACS (This email address is being protected from spambots. You need JavaScript enabled to view it.),
G.S. SLAVCHEVA, Doctor of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)

Voronezh State University of Architecture and Civil Engineering (84, 20-letiya Oktyabrya Street, 394006, Voronezh, Russian Federation)

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