此外，高含水率轻骨料更有利于抑制混凝土早期塑性收缩开裂。
Besides, la with high water content is beneficial to restraining the plastic shrinkage cracking of LWAC.
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。
The paper states that the plastic cracks after shaped the pumping concreting divides into plastic settlement crack and plastic shrinkage crack.
因此，采用膨胀剂与钢纤维的复合技术是防止混凝土发生塑性收缩开裂的比较理想的技术措施。
Therefore, the technology combining steel fiber with expensive agent is appropriate to the plastic shrinkage and cracking of concretes.
将引起混凝土裂缝的类型归纳为塑性收缩开裂 ，干燥收缩开裂 ，水化热开裂三种 ，并对其表象及成因进行了阐述。
The types of those cracks are summarized as three kinds: plastic shrinkage cracking, dry shrinkage cracking and hydration heat cracking.
本文主要就环境因素变化对高强混凝土塑性收缩开裂的影响趋势进行专门试验研究，并就其影响机理及相关的问题进行了分析和阐述。
The experimental results show that with the increase of content and fineness of fly ash used in high strength concrete, the total areas of plastic cracking decrease.
塑性开裂、温度开裂以及收缩开裂是混凝土施工应用中经常出现的质量通病。
Plastic cracking, temperature cracking and dry shrinkage cracking are always occurred during construction and application of the ready mix concrete.
分别用平板法及圆环法测试研究了不同代砂率的橡胶砂浆在塑性阶段及硬化早期阶段的收缩开裂性能。
Properties of anti-cracking of rubberized mortar were studied at plastic stage and hard stage by the method of board and ring devices respectively.
分别用平板法及圆环法测试研究了不同代砂率的橡胶砂浆在塑性阶段及硬化早期阶段的收缩开裂性能。
Properties of anti-cracking of rubberized mortar were studied at plastic stage and hard stage by the method of board and ring devices respectively.
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