混凝土强度快速测定
fast determination of concrete strength
混凝土应变测量
concrete strain measurement
混凝土应变分布特性
characteristics of concrete strain distribution
混凝土应力-应变关系模型
concrete stress-strain model
混凝土硬化与收缩
hardening and shrinkage of concrete
混凝土用钢筋
concrete reinforcing bars
混凝土有效面积
effective area of concrete
混凝土引气剂
concrete air-entraining agent
混凝土有效压力高度
effective height of concret pressure