Open AccessSeal the top layer of pavement
Author(s) -
Talgat Gabdullin,
Ramil Zagidullin
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/890/1/012029
Subject(s) - compaction , asphalt , asphalt pavement , vibration , engineering , geotechnical engineering , materials science , composite material , physics , quantum mechanics
The purpose of the study is to improve the quality of the surface course compaction by optimizing the asphalt rollers utilization. The proposed improvement is aimed at reducing the number of the asphalt roller passes when compacting the top dressing, depending on the types of compaction used, the thickness of the compacted layer and the type of the road topping. The practicing of compaction methods proposed in this article in the road and construction industry is target-specific to enhance the quality of compaction of the top dressing of the stone mastic asphalt (SMA) and to optimize the number of passes of the compact equipment, depending on the types of compaction to be used. The vibration compaction was proved to be the most effective method to compact all three grades of SMA. For all three cases, six passes were proved to be adequate to ensure the standard values of Ky in the mode of vibration compaction. The length of compaction process reduces as the number of passes is reduced down to six times. This results in saving of up to 20 % in depreciation costs when operating the rollers.