干燥收缩是指混凝土硬化后受到干燥或者外界高温的影响其内部水分不断蒸发流失，由内而外变干燥的现象。 水泥的品种，胶凝材料的总量以及单位用水量都将影响混凝土的干燥收缩变形大小。可以通过混凝土的多次振捣使其表面密实凝固，以减少干燥收缩引起的裂缝。
Experimental study was carried out of effects of different types of high performance water reducer on drying shrinkage of cement paste.
通过试验研究了不同类型的高性能减水剂对水泥净浆干燥收缩性能的影响。
参考来源 - 减水剂品种对水泥浆体的收缩性能研究Our research results have shown that the various shrinkage of concrete cause concrete cracking in building engineering, such as autogenous shrinkage,dry shrinkage,temperature shrinkage,plastic shrinkage,carbonized shrinkage,etc.
通过调查研究建筑工程中出现的混凝土开裂、渗漏问题，发现混凝土在非荷载作用下开裂主要是由混凝土的自收缩、干燥收缩、温度收缩、塑性收缩、碳化收缩等各种收缩变形引起的。
参考来源 - 高性能混凝土抗裂性能及其机理的研究The strength,stress-strain and dry shrinkage of porous concrete are investigated.
并与传统的半刚性和刚性基层作为对比,对多孔混凝土的强度和应力—应变、干燥收缩等性质进行了研究。
参考来源 - 多孔混凝土透水基层材料设计研究Because the early strength is not high of the new pouring concrete, drying shrinkage or temperature contraction may lead to cracking of the surface appears. Analysis of the control panel by the uniform shrinkage stress.
新浇注混凝土早期强度不高,干燥收缩或温度收缩可能导致面层出现开裂,分析了按均匀收缩应力控制板长。
参考来源 - 普通水泥混凝土路面三维尺寸研究Adding appropriate small steel slag instead of some soil in cement stabilized soil enhanced the aridity resistance property and temperature contraction property of cement stabilized soil obviously.
3、钢渣取代部分土以后,对水泥稳定土的干燥收缩和温度收缩性能均有显著改善。
参考来源 - 水泥钢渣土用于公路底基层的试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
混凝土自干燥收缩与其内部相对湿度的下降密切相关。
The self-desiccation shrinkage of concrete is closely related to the drop of its internal relative humidity.
内部和外部的干燥收缩和热膨胀，是从根本上关系到内部相对湿度。
Internal and external drying shrinkage and thermal dilation are fundamentally related to the internal relative humidity.
本文采用物理图解和数学推导，形象地描述了混凝土干燥收缩的物理力学机制。
Physical graphics and mathematical deduction are displayed, to visually describe the mechanism of dry shrinkage of concrete.
应用推荐