التفاصيل البيبلوغرافية
| العنوان: |
Improvement of the method for increasing roughness of asphalt and cement-concrete surfaces of highways and airfields. |
| المؤلفون: |
Yang, Shilin, Krayushkina, Kateryna, Skrypchenko, Oleksandra, Ji, Junwen, Bieliatynskyi, Andrii |
| المصدر: |
Archives of Civil & Mechanical Engineering (Elsevier Science); May2023, Vol. 23 Issue 2, p1-15, 15p |
| مستخلص: |
The safety of vehicles is ensured by a sufficient adhesion of the vehicle wheel to the asphalt concrete pavement, which is assessed by the adhesion coefficient. However, it is not possible to identify the reasons for the reduced adhesive properties of asphalt concrete pavement during operation by the adhesion coefficient. This can be explained by the fact that such properties are attributed to the roughness of the surface. The existing methods for increasing the adhesive properties and roughness of asphalt concrete pavement are based on the use of mixtures of stone materials with bitumen or the construction of a layer of stone mastic asphalt (SMA). Nevertheless, they do not always ensure the standard adhesion coefficient after the first year of maintenance. Thus, there is a need for the improvement of the method for increasing the roughness of the existing asphalt concrete pavement. During the research, compressive and tensile strength were evaluated. The British pendulum has been used to investigate the roughness of the cement concretes surface. As a result, it was established that the introduction of the basalt fiber into the cement mixture improves its physical and mechanical characteristics. Finally, the composition of the cement mixture for the rough thin-layer cement pavement was developed, taking into account the existing parameters of the asphalt pavements. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |