Article

Received 17.10.2022

Revised 28.02.2023

Accepted 26.03.2023

Retrieved from Iss. 113, P. 1, 2023

Pages 21 -40

Gameliak, I., Dmytrychenko, A., & Davydenko, O. (2023). COMPUTER DESIGN OF MULTI-LAYER ASPHALT CONCRETE SURFACES FOR HIGHWAYS AND AIRPORTS. Automobile Roads and Road Construction, (113.1), 21-40. https://doi.org/10.33744/0365-8171-2023-113.1-021-040

COMPUTER DESIGN OF MULTI-LAYER ASPHALT CONCRETE SURFACES FOR HIGHWAYS AND AIRPORTS

Igor Gameliak Andrii Dmytrychenko Oleksandr Davydenko

The design of non-rigid pavement consists of the following main stages: design, calculation of the stress-strain state, verification of the limit state conditions. The least formalized and most dangerous in case of incorrect selection is the design stage. The calculation of the strength of the pavement is based on the following premises: a) the stress-strain state of the pavement under load is described by solutions of the linear theory of elasticity for a layered half-space taking into account the conditions of the connection of the layers at the contacts, the inertia forces are not taken into account in the calculation due to their smallness (the problem is quasi-static); b) the limit state of the pavement is characterized by indicators that depend on the material properties of each layer of the pavement and the subgrade soil, as well as on their location and operating conditions in the structure. To simplify calculations using tables and nomograms, real multi-layer road structures lead to two-layer and three-layer models using methods and limit state criteria, computer-aided design of multi-layer asphalt concrete pavement of highways and airfields was performed, and optimal 4-layer asphalt concrete pavement structures were established

computer-aided design, highways, airfields, multilayer asphalt concrete pavement, stressed-deformed state, limit state criteria, finite element method
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https://doi.org/10.33744/0365-8171-2023-113.1-021-040