片语

autogenous shrinkage strain自收缩应变

early-age autogenous shrinkage早

autogenous shrinkage ratio自收缩率

Mechanismof autogenous shrinkage自收缩机理

autogenous shrinkage stress自收缩应力

autogenous shrinkage of concrete混凝土自收缩

early autogenous shrinkage早期收缩的

英汉例句

• the autogenous shrinkage of hpc develops greatly and mainly during early age due to a low water binder ratio, but there is no standard test method for early autogenous shrinkage of the concrete.

  高性能混凝土因水胶比低、自收缩大且主要发生在早期，而目前对于早期自收缩的测量还没有统一标準可依。

• by these experience, the paper firstly brought forward three concepts: turning point of autogenous shrinkage of concrete, continue maintain time, fly ash concrete strength balanced point.

  通过试验研究文中首次提出了三个概念：混凝土自生收缩的转折点、继续养护时间、粉煤灰混凝土强度平稳点。

• by adjusting both w/b and fly ash addition, the high volume fly ash concrete with low autogenous shrinkage can be made under the precondition of the required strength.

  可以同时调整水胶比和粉煤灰掺量，使大掺量粉煤灰混凝土在满足强度要求的前提下，自收缩较小。

• results shown that the addition of silica fume could increase the autogenous shrinkage a little and almost had no effect on the drying shrinkage.

  结果表明：掺入硅灰会略微增加混凝土早期自生收缩，而对早期干燥收缩影响不大；

• the results showed that hpc with more incorporation of fly ash had less autogenous shrinkage when they were in the same grade of compressive strength after 7 days.

  结果表明：在7天抗压强度等级相同时，粉煤灰掺量多的混凝土的自收缩小。

• 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。

• 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。

• the results show that autogenous shrinkage and early age autogenous shrinkage speed of concrete increase remarkably with the decreasing of water_cement ratio.

  结果表明，随着水灰比的降低，混凝土自收缩和早期自收缩速率明显增大；

• the influence of w/b ratio and fly ash addition on the autogenous shrinkage of concrete with same strength;

  研究了特制砂、粉煤灰及抗裂防水剂的不同掺量对高性能水泥基灌浆材料自收缩性能的影响。

• 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。

• the experimental results show that sca could either restrain the early autogenous shrinkage of paste or improve the prolonged shrinkage of concrete.

  结果表明：复合矿物外加剂可抑制混凝土自收缩变形，并使混凝土长期收缩变形得到补偿。

• this paper investigated the influences of light weight aggregates pre-saturated with shrinkage reducing admixtures(sra–lwa) on the autogenous shrinkage and strength of cement mortar;

  试验研究了减缩剂预饱和的轻骨料对水泥砂浆自收缩、强度、水化程度以及骨料–水泥石基体界面过渡区域的影响。

• the results indicate that the changes of the aggregate properties and the aggregate volume concentration can produce substantial changes in autogenous shrinkage of the hpc.

  结果表明：骨料性能与含量的变化对高性能混凝土的早期自收缩有较大影响。

• bring forward a ahp-fuzzy evaluation method to estimate the autogenous shrinkage of the high performance concrete.

  研究并提出了一种基于层次分析和模糊评判的高性能混凝土自收缩评价模式。

• the early cracking of concrete is usually caused by dry shrinkage, autogenous shrinkage of cement hydration and thermal-strain by hydration heat of cement.

  混凝土的早期开裂主要是由于混凝土失水所产生的干燥收缩、水泥水化所产生的混凝土自收缩以及水泥水化热所产生的温度应变所引起。

• ac impedance techniques were used to study the autogenous shrinkage. the test results show that autogenous shrinkage increases along with the fineness increase of superfine slag.

  应用了交流阻抗谱技术来研究自收缩现象。研究结果表明，水泥石自收缩会随超细矿渣细度的增加而增加；

• and the improved testing device of autogenous shrinkage was used to test early autogenous shrinkage of ufa concrete.

  在此基础上，采用改进的混凝土自收缩试验装置对ufa混凝土的早期自收缩变形进行了测试。

• on the formation mechanism, the autogenous shrinkage should be the result of water and chemical shrinkage and the reduction of internal relative humidity in concrete.

  在形成机理上，自收缩应是混凝土水化收缩和内部自身相对湿度下降的共同结果；

• 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 research shows that fly ash could restrain early autogenous shrinkage by changing the parameter of binder, such as hydrated velocity, creep coefficient, elastic modulus and so on.

  研究表明：粉煤灰通过改变胶凝材料体系水化速度、徐变系数、弹性模量，可以有效抑制早期混凝土的自收缩。

• in this article, authors show the drying shrinkage models and autogenous shrinkage models at home and abroad, analyze respectively the characteristics and application range between these models.

  本文主要介绍了国内外各种关于混凝土干缩和自收缩的理论计算模型，并分析了各模型的特点及适用范围。

• some efforts were done to reduce the autogenous shrinkage of cement paste by adding the superfine additive of limestone powder or fly ash.

  研究了不同种类的混合材对水泥石自收缩的影响，并试图通过复合粉煤灰或石灰石粉来降低掺加超细矿渣的水泥石自收缩；