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Results of experimental studies of high-strength fiber reinforced concrete beams with round cross-sections under combined bending and torsion
- 作者: Travush V.I.1, Karpenko N.I.2, Kolchunov V.I.3, Kaprielov S.S.4, Demyanov A.I.3, Bulkin S.A.5, Moskovtseva V.S.3
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隶属关系:
- Russian Academy of Architecture and Construction Sciences
- Building Physics Research Institute of the Russian Academy of Architecture and Construction Sciences
- South-West State University
- Design and Technological Institute of Concrete and Reinforced Concrete named after A.A. Gvozdev
- GORPROJECT
- 期: 卷 16, 编号 4 (2020)
- 页面: 290-297
- 栏目: Experimental researches
- URL: https://journals.rcsi.science/1815-5235/article/view/325625
- DOI: https://doi.org/10.22363/1815-5235-2020-16-4-290-297
- ID: 325625
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详细
The aim of the work - experimental investigation on crack propagation and deformation in high-strength fiber reinforced concrete beams with round cross-sections under combined bending and torsion for the development of practical methods of crack resistance, deformation and strength analysis of such structures, and also for the accumulation of new experimental data on resistance under combined loading. Method is experimental-theoretical. Results. Deflection plots and force-deformation relationships for high-strength fiber reinforced concrete beams with round cross-sections under combined bending and torsion are determined experimentally. Principal deformations in terms of elongation and compression of concrete for the experimental beam structures with high torsion to bending moment ratio are determined. It is established that for high-strength fiber reinforced concrete structures of circular cross-section, generally, development of one-two discrete cracks is observed, therefore the circular shape of the cross-section slightly reduces the concentration defined by the material structure of high-strength concrete. On the basis of the conducted investigation on high-strength fiber reinforced concrete structures with circular sections, new experimental data on the combined stress-strain state in the studied areas of resistance is obtained, such as: values of generalized cracking, and failure, load, its level relative to the ultimate load; distance between the cracks at different stages of crack propagation; crack widths at principal reinforcement axis level, at a double diameter distance from the principal rebar axes and also along the entire crack profile at various stages of loading; coordinates of nonplanar crack formations; patterns of crack formation, development and opening in reinforced concrete structures under combined bending and torsion.
作者简介
Vladimir Travush
Russian Academy of Architecture and Construction Sciences
编辑信件的主要联系方式.
Email: vlik52@mail.ru
SPIN 代码: 6462-2331
Vice President, Doctor of Technical Sciences, Professor
24 Bolshaya Dmitrovka St, bldg. 1, Moscow, 107031, Russian FederationNikolay Karpenko
Building Physics Research Institute of the Russian Academy of Architecture and Construction Sciences
Email: vlik52@mail.ru
SPIN 代码: 3027-2197
Head of Laboratory “Problems of Strength and Quality in Building”, Doctor of Technical Sciences, Professor
21 Lokomotivnyi Passage, Moscow, 127238, Russian FederationVladimir Kolchunov
South-West State University
Email: vlik52@mail.ru
SPIN 代码: 3990-0345
Professor at the Department of Unique Buildings and Structures, Doctor of Technical Sciences, Professor
94 50 let Oktyabrya St, Kursk, 305040, Russian FederationSemen Kaprielov
Design and Technological Institute of Concrete and Reinforced Concrete named after A.A. Gvozdev
Email: vlik52@mail.ru
Head of Laboratory, Doctor of Technical Sciences
6 2-ya Institutskaya St, bldg. 5, Moscow, 109428, Russian FederationAlexey Demyanov
South-West State University
Email: vlik52@mail.ru
SPIN 代码: 1447-1505
Associate Professor at the Department of Unique Buildings and Structures, Candidate of Technical Sciences, Associate Professor
94 50 let Oktyabrya St, Kursk, 305040, Russian FederationSergei Bulkin
GORPROJECT
Email: vlik52@mail.ru
chief designer
5 Nizhnii Susal'nyi Lane, Moscow, 105064, Russian FederationVioletta Moskovtseva
South-West State University
Email: vlik52@mail.ru
engineer at the Department of Unique Buildings and Structures
94 50 let Oktyabrya St, Kursk, 305040, Russian Federation参考
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