Why can't we use the tire roller in the modified asphalt road?
The request of the pavement evenness of modified asphalt in laying is' hot 'sticky tire roller through a lot of asphalt will stick in the tire on this will be very troublesome and difficult to remove from the tire and tire with flowers go pavement so as not to have groove pavement and uniform requirements
Because rub tire roller will make the coarse aggregate surface, causing structural depth decreases, and even bleeding.1L children took one look is layman also adopted by the cold
This is a basic problem of asphalt is hot, tire pressure will play!! You have to cool down before you run!
The first asphalt is hot, tire marks, secondly, tires, which are made of plastic, hot asphalt is used for a long time can not support the back tyre!
Can not generally say that modified asphalt pavement can not use tire roller. We know that SMA asphalt layer can not be used in tire roller rolling, because the SMA asphalt mixture aggregate gradation and aggregate gradation is not continuous, relatively large, and the modified asphalt content is relatively higher, when using the tyre roller, tire roller is very heavy, tire ground the pressure is large, easy to SMA asphalt layer of modified asphalt mixture from the voids in the extrusion, it is not up to the role of the SMA asphalt layer, from the analysis of this meaning is not used tire roller. For the highway, the asphalt layer has three layers, in order to save money, in the surface layer is used instead of the base asphalt, modified asphalt, and this phenomenon is not that modified asphalt pavement can not use tire roller, on the contrary, the asphalt pavement is matched with the need of tyre roller to achieve good compaction effect, including modified asphalt. The asphalt is hot, the tire will bond in asphalt, a tire pressure will mark is not scientific, if afraid of this and that, without the use of tyre roller, for the asphalt pavement, is to pick a watermelon seed lost performance for the asphalt pavement compaction effect, not only is the most terrible.
