超过了实际需要的碾压。如在土基压实过程中,当土的含水率过大时,如碾压过甚,或所用压路机过重,会使土的结构破坏,造成“弹簧”现象:又如在碎石基层施工中,如碾压过度,会造成碎石压碎成棱角被 More than the actual needs of the rolling. As in the process of compaction of soil foundation, when the soil moisture content is too large, such as rolling too much, or the roller is too heavy, the soil structure will be destroyed, resulting in “spring” phenomenon: Another example is the gravel Construction, such as over-rolling, will lead to Crushed crushed into angular