sibadiНаучный рецензируемый журнал "Вестник СибАДИ"The Russian Automobile and Highway Industry Journal2071-72962658-5626The Siberian State Automobile and Highway University10.26518/2071-7296-2024-21-5-756-769RLEKTOsibadi-1889Research ArticleСТРОИТЕЛЬСТВО И АРХИТЕКТУРАCONSTRUCTION AND ARCHITECTUREСовершенствование критерия Мора – Кулона для расчета дорожных одежд дорог с низкой интенсивностью движенияImprovement of Mohr-Coulomb criterion for designing pavements of roads of low traffic intensityhttps://orcid.org/0000-0003-2009-5361АлександровА. С.AleksandrovA. S.

Анатолий Сергеевич Александров, канд. техн. наук, доц., доц. кафедры

институт «Автомобильно-дорожное, промышленное и гражданское строительство»; кафедра «Строительство и эксплуатация дорог»

644080; просп. Мира, 5; Омск

Researcher ID: I-8860-2018, Author ID: 57191531014

Anatoly S. Aleksandrov, Cand. of Sci. (Engineering), Associate Professor

Civil Engineering Institute; Department of Road Construction and Maintenance

644080; 5, Prospect Mira; Omsk

Researcher ID: I-8860-2018, Author ID: 57191531014

aleksandrov00@mail.ruhttps://orcid.org/0000-0002-1921-8531СеменоваТ. В.SemenovaT. V.

Татьяна Викторовна Семенова, канд. техн. наук, доц., доц. кафедры

институт «Автомобильно-дорожное, промышленное и гражданскоестроительство»; кафедра «Строительство и эксплуатация дорог»

644080; просп. Мира, 5; Омск

Author ID: 693537

Tatiana V. Semenova, Cand. of Sci. (Engineering), Associate Professor

Civil Engineering Institute; Department of Road Construction and Maintenance

644080; 5, Prospect Mira; Omsk

Author ID: 693537

sibadisemenova@yandex.ruСибирский государственный автомобильно-дорожный университет (СибАДИ)РоссияThe Siberian State Automobile and Highway University (SibADI)Russian Federation202405112024215756769Copyright © Александров А.С., Семенова Т.В., 20242024Александров А.С., Семенова Т.В.Aleksandrov A.S., Semenova T.V.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestnik.sibadi.org/jour/article/view/1889   Введение

   Введение. В настоящее время при расчете дорожной одежды по сдвигу в грунте напряжения сдвига от временной и постоянной нагрузок вычисляются при разных значениях угла внутреннего трения. Следовательно, в расчете дорожной одежды по сдвигу в грунте оперируют напряжениями, действующими вдоль двух разных площадок, что является ошибкой и требует исправления.

   Методы и материалы

   Методы и материалы. Разработана модель прогнозирования накапливаемой остаточной деформации, которая при заданных значениях минимального главного напряжения и числа приложенных нагрузок позволяет определять величину максимального главного напряжения, при которой остаточная деформация достигает предельной величины. Используя значение главных напряжений, вычисляют сцепление и угол внутреннего трения для числа нагрузок, принятого в расчете деформации.

   Результаты

   Результаты. Произведен расчет параметров сопротивления сдвигу и сопротивления всестороннему растяжению при применении для расчета накапливаемой остаточной деформации предлагаемой модели и модели Барксдейла – Казарновского. Выполнено сопоставление результатов расчета.

   Заключение

   Заключение. Полученные результаты позволяют сделать расчет дорожной одежды дороги с низкой интенсивностью движения по критерию сопротивления сдвигу в грунте.

   Introduction

   Introduction. Currently, when designing road pavements taking into account soil shear displacement, shear stresses from temporary and permanent loads are calculated at different values of internal friction angle. Consequently, in terms of soil shear displacement while designing road pavements, stresses applied along two different sites are considered, which is an error and requires correction.

   Materials and methods

   Materials and methods. A model for predicting accumulated residual deformation has been developed, which allows for determining the value of the maximum principal stress at which the residual deformation reaches its limit value, given that values of the minimum principal stress and the number of applied loads are known. The values of principal stresses being taken into account, the adhesion and the angle of internal friction are calculated for the number of loads considered in the deformation calculation.

   Results

   Results. The calculation of shear resistance and resistance to universal tension parameters was performed by applying the proposed model and the Barksdale-Kazarnovsky model for calculating the accumulated residual deformation. The calculation results have been compared.

   Conclusions

   Conclusions. The obtained results allow for designing surfaces of roads of low traffic intensity based on the criterion of resistance to soil shear displacement.

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The authors declare that there are no conflicts of interest present.