vestniktgasuВестник Томского государственного архитектурно-строительного университетаVestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture1607-18592310-0044Tomsk State University of Architecture and Building10.31675/1607-1859-2019-21-2-215-227vestniktgasu-536Research ArticleПРОЕКТИРОВАНИЕ И СТРОИТЕЛЬСТВО ДОРОГ, МЕТРОПОЛИТЕНОВ, АЭРОДРОМОВ, МОСТОВ И ТРАНСПОРТНЫХ ТОННЕЛЕЙENGINEERING AND CONSTRUCTION OF ROADS, SUBWAYS, AIRDROMES, AND TUNNELSСОПОСТАВЛЕНИЕ ДЕФОРМАЦИОННЫХ ПАРАМЕТРОВ ЗОЛОШЛАКОВОЙ СМЕСИ, ПОЛУЧЕННЫХ В ЛАБОРАТОРНЫХ И НАТУРНЫХ УСЛОВИЯХBOTTOM-ASH MIXTURE DEFORMATION PARAMETERS OBTAINED IN LABORATORY AND NATURAL CONDITIONShttps://orcid.org/0000-0001-5857-1891ЛунёвА. А.LunevA. A.

Лунѐв Александр Александрович, аспирант

644065, г. Омск, пр. Мира, 5

Aleksandr A. Lunev, Research Assistant

5, Mira Ave., 644080, Omsk

lunev.al.al@gmail.comСиротюкВ. В.SyrotyukV. V.

Сиротюк Виктор Владимирович, докт. техн. наук, профессор

644065, г. Омск, пр. Мира, 5

Viktor V. Sirotyuk, DSc, Professor

5, Mira Ave., 644080, Omsk

sirvv@yndex.ruСибирский государственный автомобильно-дорожный университетРоссияSiberian State Automobile and Highway UniversityRussian Federation20192904201902215227Copyright © Лунёв А.А., Сиротюк В.В., 20192019Лунёв А.А., Сиротюк В.В.Lunev A.A., Syrotyuk V.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.tsuab.ru/jour/article/view/536

В инженерной геологии и механике грунтов существуют зависимости, позволяющие переходить от параметров деформационных свойств, полученных в лаборатории, к параметрам в натурных условиях, а также между параметрами, полученными при лабораторных испытаниях по разным методикам. Наличие таких зависимостей существенно упрощает и ускоряет выполнение изысканий. Однако для золошлаковых смесей, рассматриваемых в качестве техногенного грунта для сооружения насыпей, выведение таких зависимостей ранее не выполнялось. Целью настоящей работы является выведение этих деформационных параметров.Для получения вышеуказанных зависимостей выполнены экспериментальные исследования по определению: модулей деформации, определѐнных в условиях компрессионного и трѐхосного сжатия, модулей упругости, определѐнных в лабораторных условиях на рычажном прессе и в экспериментальном лотке, а также по методике штамповых испытаний на опытном участке насыпи из золошлаковых смесей и Калифорнийского числа несущей способности (в широком интервале плотности и влажности).В ходе исследований установлено, что ранее выведенные для природных грунтов формулы перехода между параметрами деформационных свойств не подходят для золошлаковых смесей. Поэтому на основе результатов испытаний были выведены математические зависимости, связывающие деформационные параметры золошлаковых смесей, полученные в разных условиях.Новизна и практическая значимость публикации обеспечивается получением новых зависимостей, которые базируются на опытных данных и позволяют получать искомые значения деформационных параметров насыпей из золошлаковых смесей с большей точностью, чем по математическим выражениям, полученным ранее другими авторами.

In engineering geology and soil mechanics, there are dependencies that allow one to transfer from deformation parameters obtained in the laboratory conditions to that obtained in natural conditions and between parameters obtained during laboratory tests using different methods. These dependencies greatly simplify and facilitate research into the field. However, for bottom-ash mixtures, considered as man-made soil for the embankment construction, the construction of such dependencies has not been previously performed. The aim of this work is to obtain these dependencies and determine the modulus of deformation under triaxial compression, the elastic moduli determined in laboratory conditions on a lever press and experimental tray. The dependencies are also obtained using the plate test method on the experimental embankment and the California bearing ratio in a wide range of density and humidity.It is found that the transfer equations derived earlier for deformation parameters are not suitable for the bottom-ash mixes. Mathematical dependencies are then derived for the deformation parameters of these mixes in different conditions.The Originality and practical implications of this work is the derivation of new dependencies based on experimental data allowing to obtain desired values of these parameters for bottom-ash embankments with higher accuracy than achieved by other authors using mathematical calculations.

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