It is advisable to use small vibratory roller or 35~50t tire roller for compaction of highway and primary road subgrade. When rolling with a vibratory roller, the first pass should not vibrate static pressure, then slow down and then fast, from weak vibration to strong vibration. The rolling speed of various road rollers should be slow at the beginning, the maximum speed should not exceed 4km/h; the straight line segment is developed from the two sides to the center mobile phone during rolling, and the small radius curve segment is from the inside to the outside, and the longitudinal advance and retreat; The transverse joints overlap 0.4 to 0.5 m as usual for the vibratory roller. For the three-wheeled roller, the width of the rear wheel is normally 1/2, and the adjacent two sections should be longitudinally overlapped by 1.0 to 1.5 m. No leakage or dead angle should be achieved. To ensure even rolling. Use the hammer to press the real-time, the first position should be close to each other. If there is a gap, it should not be larger than 15cm. The second time should be pressed on the gap of the first position, so that the tamping is continued until the specified degree of compaction is reached. Manager Zhou Mobile Phone Song Manager Mobile Phone Yin Manager Mobile Phone Ji manager mobile phone High manager mobile phone Cao manager mobile phone (This article is from Situ Rick)
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