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DESIGNING AND DETAILING OF BUILDING SYSTEMS. MECHANICS IN CIVIL ENGINEERING

Stress-strain properties of concrete made of the chip of crushed concrete

Vestnik MGSU 10/2016
  • Bezgodov Igor’ Mikhaylovich - Moscow State University of Civil Engineering (National Research University) (MGSU) research worker, 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 .
  • Pakhratdinov Alpamys Abdirashitovich - Moscow State University of Civil Engineering (National Research University) (MGSU) postgraduate student, Department of Construction Materials, 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 .
  • Tkach Evgeniya Vladimirovna - Moscow State University of Civil Engineering (National Research University) (MGSU) Doctor of Technical Sciences, Professor, Department of Construction Materials, 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 .

Pages 24-34

The use of crushed concrete scrap, the volume of which is quite essential, is constrained by the regulatory framework and poor studies of stress-strain characteristics of concrete. In order to solve this problem it is necessary to conduct comparative experiments with the aim of obtaining the strength and deformation characteristics of concrete, which will allow determining the possible list of structures for industrial and civil objects. Tests were carried out on the assessment of prism strength, modulus of elasticity, coefficient of lateral deformation, the maximum compression strain, tensile strength in bending as well as tests of reinforced concrete beams produced of the same compositions for evaluation of failure load, strain and deflection diagram construction with the aim of identifying distinctive characteristics of strength and deformation characteristics of concrete obtained of crushed concrete waste in comparison with the characteristics of concrete made of granite macadam. The results of the investigation show that the use of crushed concrete waste in reinforced concrete structures is quite allowable and there is no need in serious adjustments in the calculations, especially for concretes of low grades.

DOI: 10.22227/1997-0935.2016.10.24-34

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