The paper states that the plastic cracks after shaped the pumping concreting divides into plastic settlement crack and plastic shrinkage crack.
开裂应力测定装置测试了水泥砂浆、混凝土塑性抗拉强度和塑性收缩开裂应力。
But almost all the attention of the plastic shrinkage crack are focus on the medium and coarse sand concrete and the study of super fine one not found.
目前关于塑性收缩裂缝的研究几乎都集中在中粗砂混凝土，对于特细砂混凝土塑性收缩裂缝及其相关问题的研究几乎没有。
According to the causes of crack occurrence and the weather characteristics in the project area, it is key to prevent the cracks such as the plastic crack, dry crack and cold shrinkage crack.
根据混凝土面板产生裂缝的原因，并结合工程区的气候特点，认为控制面板的塑性收缩、干缩与冷缩裂缝是防止裂缝产生的重点。
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