2015年8月18日星期二

Effect of bulldozers

Tyred roller DRUM use pneumatic tire, generally three to five mounted front wheel, rear wheel 4 to 6. Such as changes in air pressure can change the ground pressure, pressure adjustment range of 0.11 to 1.05 MPa. Tyred roller hydraulic, hydraulic or mechanical transmission system, a single-axis drive or full, wide-base tires articulated frame structure supported at three points. Rub the compaction process has the role of the compacted layer of particles without destroying the relative inlay, uniformly dense. Mobility, fast line speed (up to 25 km / h) for roads, airports and other projects cushion compaction.

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