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在大量现场试验的基础上,研究了振荡压路机主要工作参数对压实效果的影响,并对振荡压路机、高频振动压路机和振荡压实样机在沥青混合料的压实效果方面进行了对比分析。研究和试验结果表明:与最大压实度所对应的振荡压实最佳激振频率的变化范围是很窄的,被碾压材料所能达到的密实度的大小,与其能够吸收的有效压实功大小有关,当被碾压材料所能吸收的能量达到饱和状态时,继续碾压无助于压实材料密实度的提高,并会使振荡轮施加给被碾压材料的压实功全部转化为滑转损失。
On the basis of a large number of field tests, the influence of the main working parameters of the oscillating roller on the compaction effect was studied. The compaction effect of the asphalt mixture on the oscillating roller, the high frequency vibratory roller and the oscillating compaction prototype was compared and analyzed. The research and test results show that the range of variation of the optimum excitation frequency of the oscillation compaction corresponding to the maximum compaction degree is very narrow. The compactness achievable by the compacted material can not be compared with its effective compaction When the energy absorbed by the rolled material is saturated, continued rolling does not contribute to the increase in the compactibility of the compacted material and causes the complete application of the compacting work applied to the material being rolled by the oscillating wheel To slip losses.