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- the value of autogenous shrinkage strain at the age of 1 day is about 35% of that at 28 days and 30% of that at 90 days. 龄期1d时自收缩值已达28d时自收缩值的35%25,占90d时的自收缩值也有近30%25。
- autogenous shrinkage strain 自收缩应变
- Research results show that the relationship between autogenous shrinkage at early ages and ultimate tensile strain can be approximately figured by a quadric equation. 研究结果表明，混凝土早期自收缩大小与相应的极限拉伸应变具有显著的二次曲线关系；
- The influence of W/B and fly ash together on the autogenous shrinkage of HPC was also investigated. 试验还研究了水胶比和粉煤灰这两个因素对自收缩的综合作用。
- Autogenous shrinkage (AS) is an important factor that results in early age crack of high strength concrete. 摘要自收缩是导致高强混凝土早期开裂的重要因素。
- The RHA, amorphous or partially crystalline, when used in an appropriate way, reduces autogenous shrinkage. 该壳灰，无定形或部分结晶，使用时以适当的方式，降低了自收缩。
- In this work, the effects of partial replacements of Portland cement by rice-husk ash (RHA) on the autogenous shrinkage were investigated. 在本文中，我们研究了用稻壳灰（RHA）部分取代波特兰水泥对自生收缩的影响。
- In both models two-step regressive equations are adopted to simulate the step of quick development and the step of even change of hydration reaction and autogenous shrinkage. 这2个模型均采用两阶段的经验公式，分别用于模拟水化反应和自收缩的快速发展阶段与平稳变化阶段。
- Philippe Turcrya et al, “Can the maturity concept be used to separate the autogenous shrinkage and thermal deformation of a cement paste at early age ? 林振远;”光纤量测技术于水泥浆体早龄期体积变形研究之应用.
- The autogenous shrinkage of reinforced specimens are decreased due to restraint of reinforcing frame, however, specimen size has little effect on early age deformation. 高性能混凝土构件配筋与否对温度变形没有影响，但由于受配筋骨架约束，自收缩相对无筋构件减小，总变形增大。
- Moreover, the autogenous shrinkage and the possibility of cracking in the early stage of the HPC also can be controlled, with the addition of the mineral additives. 掺和料的加入还可以减小混凝土早期的自收缩，减少高性能混凝土早期开裂的几率。
- The second was to identify the fracture toughness of human dentin (hard tissue).The last was an example to measure shrinkage strain of human dentin at microscopic scale. 第二个例子讲述了该方法用于测量牙本质（生物硬组织材料）断裂韧性，最后一个例子是该方法用于在微观尺度上测量牙本质的收缩变形。
- The dynamic models of hydration reaction of cement and autogenous shrinkage of concrete were constructed respectively based on the multi-composition and multi-scale hydration reaction of cement. 摘要基于水泥的多组分和多尺度水化反应的原理，分别建立了水泥的水化反应和混凝土自收缩的动力学模型。
- The experimental results show that these models can express precisely the isotherm hydration heat emission curve of Portland cement and the autogenous shrinkage process of concrete prepared with Portland cement. 实测数据检验结果表明，这2个模型可以用于模拟硅酸盐水泥的等温水化放热曲线，以及用硅酸盐水泥配制的混凝土的自收缩发展过程。
- In this dissertation, the influence of water to binder ratio (W/B) and fly ash on the autogenous shrinkage of high performance concrete (HPC) were respectively experimentally studied. 试验首先研究了水胶比和粉煤灰掺量各自对高性能混凝土自收缩的影响。
- Shrinkage strains are mdependent of the stress conditions in the concrete. 混凝土的收缩是一种自发的变形，并不依靠作用在混凝土上的外力。
- EXPERIMENT ON RELATIONSHIP BETWEEN EARLY AUTOGENOUS SHRINKAGE AND ULTIMATE TENSILE STRAIN OF CONCRETE 混凝土早期自收缩与极限拉伸应变的相关性试验
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- Autogenous Shrinkage of Concrete and Its Research Progress 混凝土的自收缩及其研究进展
- He finally break down under the four-hour's strain. 在四小时的压力下他终于支持不了。
