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Напряженно-деформированное состояние асфальтобетонных покрытий стальных мостов

Напряженно-деформированное состояние асфальтобетонных покрытий стальных мостов

Автор: Гришин И.В., Петропавловских О.К., Ибрагимова А.А.

Журнал: Строительство уникальных зданий и сооружений @unistroy

Статья в выпуске: 4 (109), 2023 года.

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Объектом исследования является напряженно-деформированное состояние асфальтобетонных покрытий стальных мостов с ортотропной плитой под транспортной нагрузкой. Необходимость проведения исследований обусловлена ​​тем, что одной из основных проблем покрытий стальных мостовых настилов является образование продольных трещин в асфальтобетоне над главными балками пролетных строений. При этом в нормативных документах по проектированию отсутствуют указания по предотвращению появления такой трещины. Отсутствие четких указаний, в свою очередь, обусловлено тем, что напряженно-деформированное состояние проезжей части металлических мостов имеет особенности, которые изучены недостаточно.

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Асфальт, стальной мост, конечно-элементное моделирование, мостовое покрытие, трещины в асфальте

Короткий адрес: https://sciup.org/143182717

IDR: 143182717   |   УДК: 69   |   DOI: 10.4123/CUBS.109.24

Stress strain state of asphalt concrete pavements of steel bridges

The object of research is the stress-strain state of asphalt concrete pavements of steel bridges with an orthotropic slab under traffic load. Research is necessary because one of the main problems of steel bridge deck pavements is the formation of longitudinal cracks in asphalt concrete above the main beams of superstructures. At the same time, there are no instructions in the engineering standards to prevent the appearance of such a crack. The lack of clear instructions, in turn, is because the stress-strain state of the roadway of metal bridges has features that have not been studied sufficiently.

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