Finally, it is pointed out that interspace can be prevented by control of the height of pouring, adjustment of the construction order, and improvement of the quality of roller compaction.

• 结果表明，低压缩性、高杭剪强度的垫层料和砾石材料变形较小，通过控制填筑高度及施工顺序、提高碾压质量等措施，可防止或减少面板脱空现象。