Device name： ASTM1581-Shrinkage Ring Restricted Detector
Model：YC-1581
Origin：Beijing
Purpose：To evaluate the cracking risk of concrete through quantitative analysis

通过定量的分析来评价混凝土的开裂风险，并且此方法可操作性强，重复性强，适用范围也比较广。解决平板法只能部分、不均匀的约束混凝土的收缩变形，而且试验结果对试件尺寸、材料特性、环境状况等的依赖性很大，裂缝的产生无规律的问题。
The cracking risk of concrete can be evaluated by quantitative analysis.  ASTM C1581 provides us a method which is operable, repeatable and widely applicable. The problem of the plate method, such as shrinkage deformation of partially and unevenly confined concrete and the test results depending on the size, material characteristics, environmental conditions, etc. of the sample, and irregular cracking are all solved.