探讨了沥青混合料流层流和紊流流动型态的界定及流动特性；分析了沥青混凝土摊铺机螺旋分料器的输送机理和沥青混合料粒料在螺旋布料器作用下的运动规律。

Based on the physical characteristics of bituminous mixture in the process of paving, hydromechanics is put forward to study the bituminous mixture flow's movement feature in the spiral-feeder.

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