摘要
本文详细介绍了水泥混凝土板下脱空的原因，提出了判别的原则并建议采用弯沉指标和直观法相结合的判别方法。
This paper describes the reason of appearing Void under cement concrete slab .Put forward the principle of discrimination and suggested deflection indicators and intuitive on the Combination of checking.
关键词
板底脱空
脱空原因
脱空判别方法
void beneath slab, reason for void beneath slab, determination method
