...塑性收缩裂缝 ；防治措施 [gap=328] words: large volume pumping concrete; temperature cracks; dry shrinkage cracks; plastic shrinkage cracks; control measures.
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由于这种裂缝是由于混凝土塑性收缩引起，所以称之为塑性收缩裂缝。
The capillary pressure which is the effect of the water loss from the concrete surface, is the origin of the plastic shrinkage in concrete cracking.
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。
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.
以粉煤灰的火山灰效应、微集料效应分析为基础，分析研究了粉煤灰对混凝土塑性收缩、干缩、自缩和温度收缩裂缝的影响。
Based on analyzing the eruption and tiny aggregate effect of fly ash, the influence of fly ash on the shrinkage fissure of concrete is studied, caused by the plastic deformation, dry or temperature.
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