New vibratory rollers for longitudinal joint compaction
2012-10-16u2002·u2002Sakai Heavy Industries developed two new rollers to improve joint density. One is a vibratory three-wheel (VTW) roller and the other is a vibratory pneumatic tire (VPT) roller. In this paper, both rollers are evaluated. This VTW roller has vibration mechanisms in all three drums and either one of the front
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