Determination of the bearing capacity of reinforced concrete rectangular contoured slabs, taking into account the impact of the spacer

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The application of the limit equilibrium method to the calculation of reinforced concrete slabs allows us to obtain fairly simple expressions of the bearing capacity for various loading schemes. Usually, plates are calculated in a kinematic way, which consists in considering a set of possible destruction schemes, of which the one corresponding to the minimum load obtained from the equality of virtual works is taken as the calculated one. The reality of the schemes under consideration and, in particular, the calculated one is important, since otherwise the load-bearing capacity will be reduced.

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作者简介

B. Bondarev

Lipetsk State Technical University

编辑信件的主要联系方式.
Email: lnsp-48@mail.ru

Doctor of Sciences (Engineering)

俄罗斯联邦, 398055, Lipetsk, Moskovskaya St., 30

I. Suslov

Lipetsk State Technical University

Email: kaf-arch@stu.lipetsk.ru

Candidate of Sciences (Engineering)

俄罗斯联邦, 398055, Lipetsk, Moskovskaya St., 30

A. Bondarev

Lipetsk State Technical University

Email: lnsp-48@mail.ru

Candidate of Sciences (Engineering)

俄罗斯联邦, 398055, Lipetsk, Moskovskaya St., 30

V. Zhidkov

Tambov State Technical University

Email: gidkov_vova_1999@mail.ru

Postgraduate Student

俄罗斯联邦, 392000, Tambov, Sovetskaya St., 106/5

V. Sturova

Lipetsk State Technical University; Tambov State Technical University

Email: v-livenceva@mail.ru

Senior Lecturer

俄罗斯联邦, 398055, Lipetsk, Moskovskaya St., 30; 392000, Tambov, Sovetskaya St., 106/5

参考

  1. Azizov T.N. On the calculation of reinforced concrete orthotropic slabs. Vostochno-Evropejskij nauchnyj zhurnal. 2022. No. 1–1 (77), pp. 4–7. (In Russian). https://doi.org/10.31618/ESSA.2782-1994.2022.1.77.226
  2. Zamaliev F.S., Tamrazyan A.G. On the calculation of steel-reinforced concrete ribbed slabs for restored floors. Stroitel’stvo i rekonstrukciya. 2021. No. 5 (97), pp. 3–15. (In Russian). EDN: BDUMYX. https:// doi.org/10.33979/2073-7416-2021-97-5-3-15
  3. Shmelev G.D. Features of verification calculations of reinforced concrete slabs and beam. Zhilishchnoe hozyajstvo i kommunal’naya infrastruktura. 2022. No. 3 (22), pp. 9–16. (In Russian). EDN: JPTJPK
  4. Kiseleva A.V. Calculation of reinforced concrete slabs with dispersed reinforcement for various forms of stress diagrams in a normal section. Scientific, technical and economic cooperation of Asia-Pacific countries in the 21st century. 2019. Vol. 1, pp. 243–246. (In Russian). EDN: BABMOK
  5. Utkina V.N. Calculation and assessment of the reliability of monolithic reinforced concrete slabs. Durability of building materials, products and structures: Materials of the All-Russian Scientific and Technical Conference dedicated to the 75th anniversary of the Honored Scientist of the Russian Federation, Academician of the Russian Academy of Agricultural Sciences, Doctor of Technical Sciences, Professor V.P. Selyaeva, Saransk, December 03–05, 2019. Saransk. 2019, pp. 399–408. (In Russian). EDN: KVLNVK
  6. Galyautdinov Z.R. Calculation of contour-supported reinforced concrete slabs on yielding supports under short-term dynamic loading. Safety of the Russian building stock. Problems and solutions: Materials of International Academic Readings, Kursk, November 18, 2020 / Edited by S.I. Merkulov. Kursk 2020, pp. 56–61. (In Russian). EDN: LPOZJX
  7. Zvonov Yu.N. Towards the solution of the thermal engineering problem of reinforced concrete slabs under emergency impacts in a probabilistic formulation. Traditions, modern problems and prospects for the development of construction: Collection of scientific articles, Grodno, May 21–22, 2020. Grodno. 2020, pp. 51–55. (In Russian). EDN: YUPUCH
  8. Efimenko E.A., Bekkiev M.Yu., Mailyan D.R., Chepurnenko A.S. Determination of the optimal location of supports in the floor slab of an industrial building using stochastic methods. Bulletin of the Dagestan State Technical University. Technical Sciences. 2020. Vol. 47. No. 1, pp. 138–146. (In Russian). EDN: OUBBXM. https://doi.org/10.21822/2073-6185-2020-47-1-138-146
  9. Trofimov A.V., Nazarova K.A. Taking into account the influence of the plate when calculating the bearing capacity of beams of a monolithic ribbed floor. Stroitel’naya mekhanika i raschet sooruzhenij. 2020. No. 5 (292), pp. 12–16. EDN: DHKCAQ. https:// doi.org/10.37538/0039-2383.2020.5.12.16
  10. Blazhko V.P. Technical solutions of a prefabricated monolithic building for reinforced concrete factories with limited technological capabilities. Beton i zhelezobeton. 2023. No. 4 (618), pp. 28–35. (In Russian). EDN: TBYBVO. https://doi.org/10.37538/0005-9889-2023-4(618)-28-35
  11. Rimshin V.I., Kurbatov V.L., Ketsko E.S., Truntov P.S. Strengthening the structures of a textile industry building with external reinforcement from composite materials. Izvestiya vysshih uchebnyh zavedenij. Tekhnologiya tekstil’noj promyshlennosti. 2021. No. 6 (396), pp. 242–249. (In Russian). EDN: ABPOAY. https:// doi.org/10.47367/0021-3497_2021_6_242
  12. Shmindruk E.V. Calculation of a ribbed covering slab for bearing capacity. Promising stages of development of scientific research: theory and practice: Collection of materials of the III International Scientific and Practical Conference, Kemerovo, July 15, 2019. Vol. 1. Kemerovo. 2019, pp. 9–12. (In Russian). EDN: QVMVPN

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2. Fig. 1. The destruction scheme under consideration

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3. Fig. 2. To calculate the bearing capacity of plates working with a spacer. a, b, c – fracture schemes of pinched plates, respectively, rectangular, square, girder; d, e, f – calculation schemes (section A–A), respectively, for an unformatted plate, taking into account deflection from the pliability of the contour, taking into account the deflection of the pliability of the contour and deformations of the plate

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4. Fig. 3. Scheme of the algorithm for calculating the bearing capacity of plates, taking into account the influence of the spacer

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