Русский
English
Significant stress concentrations occur at the interface of floor slabs and columns in widely used monolithic reinforced concrete beamless frames. Therefore, the strength of the floor slabs must be checked for pushing under the loads from columns, bearing walls or stiffening diaphragms. The analysis of engineering solution of beamless monolithic reinforced concrete slabs of the administration nine-storey building with frame-walled load-bearing system is made. The strength thereof for pushing is found to be not provided under the given loads in a number of cases, due to this, experimental studies of strengthening the near-column areas of floor slabs have been carried out. When restoring the structures that suffered defects and damages in the course of their operation, composite materials having high tensile strength, low weight, constructibility and resistance to aggressive influence are widely used. The presented method for strengthening the near-column areas of floor slabs for ensuring their pushing strength with the use of chemical anchors has been developed, and a comparative analysis of the calculation results of the near-column areas of floor slabs with the adopted strengthening method with the results of experimental studies of slab fragments has been carried out. The operating conditions of the near-column areas of the floor slab have been simulated under the test method, and the results of the experimental samples testing are presented. All samples were found to have been destroyed by pushing through, with the destruction being of a plastic nature. The results of assessing the application of transverse reinforcement to the load-carrying capacity of the slab on pushing-through are presented. The results of experimental studies on assessing the pushing strength of extreme parts of monolithic floor slabs with columns reinforced with transverse glued-in reinforcement have shown good efficiency.
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3. Klyuyev S.V., Guryanov Yu.V. External reinforcing of fiber concrete constructions by carbon fiber tapes. Magazine of Civil Engineering. 2013. 36 (1). P. 21 – 26.
4. Klyuyev S.V., Klyuyev A.V., Sopin D.M., Netrebenko A.V., Kazlitin S.A. Heavy loaded floors based on fine-grained fiber concrete. Magazine of Civil Engineering. 2013. 38 (3). P. 7 – 14.
5. Zaalishvili V.B., Kambolov D.A., Melkov D.A., Fidarova M.I. Statistical characteristics calculation of seismic intensity increments for the purpose of seismic microzoning in mountain territories. Sustainable Development of Mountain Territories. 2024. 16 (1). P. 345 – 357. DOI: 10.21177/1998-4502-2024-16-1-345-357
6. Kulikova E.Yu., Balovtsev S. V., Skopintseva O.V. Complex estimation of geotechnical risks in mine and underground construction. Sustainable Development of Mountain Territories. 2023. 15(1). P. 7 – 16. DOI: 10.21177/1998-4502-2023-15-1-7-16
7. Bedov A.I., Gabitov A.I., Domarova E.V., Kolesnikov A.S. Investigation of the stress-strain state of domical masonry vaults. Construction Materials and Products. 2023. 6 (6). 6. DOI: 10.58224/2618-7183-2023-6-6-6
8. Tyulyaeva Y.S., Khayrutdinov A.M., Galachieva I.D., Totrukova I.K. Creation of a high-strength backfill composite based on sulfide-bearing technogenic waste from mining production. Sustainable Development of Mountain Territories. 2024. 16 (3). P. 1384 – 1396. DOI: 10.21177/1998-4502-2024-16-3-1384-1396
9. Gabitov A.I., Udalova E.A., Salov A.S., Chernova A.R. Outlook in making criteria for assessing progressive collapse of buildings and facilities. IOP Conference Series: Materials Science and Engineering. 2020. Р. 022085. DOI: 10.1088/1757-899X/753/2/022085.
10. Bedov A., Salov A., Gabitov A. Cad methods of structural solutions for reinforced concrete frame. XXI International Scientific Conference on Advanced in Civil Engineering "Construction – The Formation of Living Environment" (FORM 2018), Moscow, Russian Federation. 2018. 365. P. 1 – 8. DOI: 10.1088/1757-899X/365/5/052032
11. Gabitov A.I., Salov A.S., Yudin A.A. The application of steel-reinforced concrete floors in the reconstruction of the petrochemical complex enterprises. AIP Conference Proceedings 2023. 2910 (1). P. 020180.
12. Klyuev S., Fediuk R., Ageeva M., Fomina E., Klyuev A., Shorstova E., Sabitov L., Radaykin O., Anciferov S., Kikalishvili D., de Azevedo Afonso R.G., Vatin N. Technogenic fiber wastes for optimizing concrete. Materials. 2022. 15 (14). P. 5058.
13. Amran M., Fediuk R., Klyuev S., Qader D.N. Sustainable development of basalt fiber-reinforced high-strength eco-friendly concrete with a modified composite binder. Case Studies in Construction Materials. 2022. 17. e01550.
14. Yazyev S.B., Chepurnenko A.S. Buckling of Rectangular Plates under Nonlinear Creep. Advanced Engineering Research. 2023. 23 (3). P. 257 – 268. https://doi.org/10.23947/2687-1653-2023-23-3-257-268
15. Kondratieva T.N., Chepurnenko A.S. Prediction of Rheological Parameters of Polymers by Machine Learning Methods. Advanced Engineering Research. 2024. 24 (1). P. 36 – 47. https://doi.org/10.23947/2687-1653-2024-24-1-36-47
16. HILTI-AG, Fastening and Protection Systems Feldkircherstr.100, FL-9494, Schaan. Design Method for post-Installed Punching Shear Reinforcement with Hilti Tension Anchors HAS, issued 2009-06-25, 2/12 p.
17. Gabitov A.I., Ryazanov A.N., Salov A.S., Biktasheva A.R. The outlook for regulatory support for adoption of efficient concretes. Journal of Physics: Conference Series. 2021. Р. 012027.
18. Bedov A.I., Gabitov A.I., Salov A.S., Gaisin A.M. Application of information simulation technologies in the development of design and technological documentation. News of Higher Educational Institutions. Technology of textile industry. 2019. 4 (382). P. 148 – 153.
Bedov A.I., Gabitov A.I., Pervushin G.N., Kazanskaya L.F., Nedoseko I.V. Strengthening of monolithic concrete slabs against pushing.Construction Materials and Products. 2025. 8 (2). 4. https://doi.org/10.58224/2618-7183-2025-8-2-4