Arrest effect of fly ash in ultra-high-volume on shrinkage of concrete at later age is more evident.
粉煤灰以超量方式掺入对混凝土的后期收缩抑制作用更加明显。
Furthermore, the early age shrinkage of concrete would be reduced with the admixture of super-fine steel slag powder.
另外，掺入磨细钢渣矿粉可以降低混凝土的早期收缩。
Both the sealed curing and the fog curing can reduce early age shrinkage of concrete, but the initial curing age must be emphasized.
密封养护和喷雾养护均能减小混凝土的早期收缩，但必须要强调养护的“及时性”。
The influence of different water-cement ratio on early-age autogenous shrinkage and total shrinkage of concrete under dry condition is experimented in this paper.
进行了不同水灰比对混凝土早期自收缩及干燥条件下总收缩影响的试验研究。
Ben holds dear an ambitious goal to retire at the age of 55, but there is nothing concrete that he does in order to succeed.
班有个远大的目标就是要在55岁的时候退休，但是他却没有因为这个目标而做到任何具体的计划。
A mathematic model is set up by probabilistic method for analyzing concrete crack in early age, which is tested by the observation results of a concrete retaining wall case.
利用概率的方法，建立分析早龄期混凝土开裂的数学模型，并利用一实际的混凝土挡土墙工程观测结果进行验证。
The probability of concrete structure cracking at early age is estimated by cracking probability and critical cracking risk with probabilistic method for a real case of concrete wall.
利用概率的方法，确定开裂概率和临界开裂风险来评价混凝土结构的早龄期开裂的可能性大小，并在混凝土挡土墙工程中应用。
This paper discuses the copyright problem in the digital age. It analyzes the interests of the writer, bookman and the common. For the balance, it puts forward concrete Suggestions.
本文讨论了数字时代版权人、出版商、公众三者之间的利益，以求达到平衡，并提出了具体的解决办法。
The equivalent age method is extended successfully to the concrete cracking control in structures through the use of the finite element program ANSYS.
与有限元软件一起使用，等效龄期方法还可以运用于混凝土结构的温度裂缝预测与控制中；
With increasing age of the building, the safe reliability of the reinforced concrete members are challenged attention in the field of civil engineering,.
随着建筑物的逐渐老化，钢筋混凝土结构构件的安全可靠性已逐渐成为土木工程领域普遍关注的问题。
The carrier can participate in the hydration of the binding material in the porous concrete, so the strength and behaviour of this kind of porous concrete are improved with the age.
载体能参予多孔混凝土中的胶凝材料的水化过程，故该种多孔混凝土的强度和性能随着龄期增长而提高和改善。
Temperature deformation and autogenous deformation are the two major forms of deformation of hardening concrete in early age.
温度变形和自生变形是硬化混凝土在初龄期两种最主要的变形。
Various curing condition and different amount of water evaporated in early-age curing would lead to different strength of concrete.
早期养护条件不同，混凝土失水量不同，则混凝土中后期强度也不相同。
And water reducing ratio of concrete is 25%, slump lose a little. Its every age compressive strength has increased obviously.
减水率达25%，坍落度损失低，各龄期混凝土抗压强度都有较大提高。
The strength and modulus of elasticity of matrix increase from almost zero, then at a certain age up to those of the coarse aggregate, and even exceed for lightweight concrete.
基体的强度和弹性模量从零开始增加，到一定龄期后接近集料分散相，对于轻集料混凝土，基体的强度和刚度在一定龄期还将超过集料分散相。
The compressive strength of concrete at an age t depends on the type of cement, temperature and curing conditions.
时间t时的抗压强度与水泥种类，温度以及养护条件有关。
In order to study durability, crack controlling of concrete structures and characteristics of concrete at early age in simulated environment, environmental simulation test technology is discussed.
为了在试验室人工模拟环境下进行混凝土早期特性、裂缝控制及耐久性的试验，需对混凝土结构环境模拟试验室技术进行研究。
Considering the examination result, the deterioration depth and omission depth of concrete have a remarkable increase in connection with the age, and the amounts of change are 0.
试验结果表明，混凝土的劣化深度和脱落深度随时间推移有明显的增加，变化量在0。
Finally using the model loading age and coarse aggregate, cement ratio parameters were analyzed, and the laws of fly ash concrete creep are present.
最终运用本模型对加载龄期和粗骨料、水泥砂浆比参数进行了分析，给出了粉煤灰混凝土徐变的规律。
Complicated volume changes of high performance concrete (HPC) is one of significant causes which results in its early-age cracking.
高性能混凝土复杂的早期体积变化是导致其易发生早期开裂的重要原因之一。
In this paper, the stiffness value which does not meet the design age of the concrete are discussed.
文章对未达到设计龄期的混凝土刚度取值进行了探讨，并将计算结果与现场实测结果进行对比分析。
Such as testing the strength of concrete, not of the same age and some of the effects of phase mixing on the impact of the test.
如混凝土强度的检测范围，不同龄期的影响及部分掺加剂对测试的影响等。
The uniaxial restraint testing methods are effective to evaluate the cracking sensitivity of concrete at early age in laboratories.
单轴约束试验是试验室评价混凝土早期开裂敏感性的有效方法。
The optimization of mix composition of concrete according the calculation of inner stress at early age may reduce the cracking risk of concrete structure.
早龄期时混凝土结构内应力的计算为优化混凝土材料的组成提供了依据，尽可能减少混凝土结构的开裂。
The reasons of cracking of large mass concrete construction in the early age are analysed and the technical thinking and ways of prevention of cracking are presented in this paper.
分析了大体积混凝土结构早期开裂的原因，提出了防裂技术思路与对策。
The cracking problem of early age concrete surface has aroused general concern in engineering circles.
低龄期混凝土表面开裂问题已成为工程界普遍关注的问题。
The polypropylene fiber can effectively control the length, width and number of the drying shrinkage crack of early-age concrete.
聚丙烯纤维可有效控制混凝土早期干缩裂缝的长度、宽度和数量。
For the concrete which losing water is little at early-age, strengthen curing, the strength of concrete will be compensated.
对早期失水较少的混凝土，加强湿养护，混凝土强度能得到较大的补偿。
The tensile stress induced by restrained thermal and autogenous shrinkage deformations was the main driving force of cracking in concrete at early age.
温度变形和自生收缩变形等受约束形成的拉应力，是引起混凝土早期开裂的主要驱动力；
The tensile stress induced by restrained thermal and autogenous shrinkage deformations was the main driving force of cracking in concrete at early age.
温度变形和自生收缩变形等受约束形成的拉应力，是引起混凝土早期开裂的主要驱动力；
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