Researching and Evaluation of Thermal Properties of Foamed Glass Crushed Stone in Conditions of Problem Soils
- Authors: Bessonov I.V.1, Korotkov E.A.1, Govryakov I.S.1,2, Gorbunova E.A.1,2, Taichinov D.R.2
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Affiliations:
- Scientific-Research Institute of Building Physics of RAACS
- National Research Moscow State University of Civil Engineering
- Issue: No 6 (2024)
- Pages: 13-20
- Section: International Scientific Conference – XV Academic readings dedicated to the memory of Academician of RAACS Osipov G.L., "Actual problems of building physics. Energy saving. Reliability of building structures and environmental safety. Artificial Intelligence"
- URL: https://gynecology.orscience.ru/0585-430X/article/view/635018
- DOI: https://doi.org/10.31659/0585-430X-2024-825-6-13-20
- ID: 635018
Cite item
Abstract
The purpose of the work was to study the heat-protective qualities of foam glass crushed stone based on diatomite and cullet and to assess its applicability as part of the roadway in permafrost areas. Experimental definitions of thermal engineering parameters of foam glass crushed stone made of cullet and diatomite, including bulk density, operational density, compressive strength in a cylinder at a given operational density, thermal conductivity, have been carried out. The thermophysical characteristics of backfilling from foam glass crushed stone based on cullet at a 30% degree of compaction have been studied. The values of thermal conductivity of foam glass crushed stone in dry, frozen, and thawed conditions are determined. The experimental data obtained were the basis for computer modeling and calculation of soil temperature fields with a pavement structure in the territory of permafrost distribution (Republic of Sakha, Yakutia). The calculation of the temperature regime change with a forecast for 12 months was carried out. For comparison, the calculation of a similar road structure without a thermal insulation layer, using coarse sand, is presented. The calculation results show the effectiveness of using foam glass rubble filling in the construction of the pavement; it was found that the thermal insulation layer of foam glass rubble prevents the defrosting of a layer of permafrost soils.
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About the authors
I. V. Bessonov
Scientific-Research Institute of Building Physics of RAACS
Author for correspondence.
Email: bessonoviv@mail.ru
Candidate of Sciences (Engineering)
Russian Federation, MoscowE. A. Korotkov
Scientific-Research Institute of Building Physics of RAACS
Email: he_djon@bk.ru
Candidate of Sciences (Engineering)
Russian Federation, MoscowI. S. Govryakov
Scientific-Research Institute of Building Physics of RAACS; National Research Moscow State University of Civil Engineering
Email: govr190@mail.ru
lead engineer, PhD student
Russian Federation, Moscow; MoscowE. A. Gorbunova
Scientific-Research Institute of Building Physics of RAACS; National Research Moscow State University of Civil Engineering
Email: eg15082000@mail.ru
Engineer, Master’s degree student
Russian Federation, Moscow; MoscowD. R. Taichinov
National Research Moscow State University of Civil Engineering
Email: din2004ar@gmail.com
student
Russian Federation, MoscowReferences
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