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。
When modern Western art lived in the Industrial Age, we clearly felt the influence and even coercion of metal machines and cement buildings upon it.
现代西方艺术生活在工业时代，我们明显感到金属机械与水泥建筑对它的影响乃至逼迫。
The long-term expansion potential due to AAR of alkaline cement system is discussed with measuring the change of AAR expansion ratio of mortar at different age.
通过测定砂浆经不同养护阶段的碱集料反应膨胀率变化，探讨了碱性水泥系统碱集料反应的长期膨胀潜力。
The laws of influences from usage amount of cement, mineral admixtures and concrete age on shrinkage and creep of high performance concrete are studied through tests.
试验研究了水泥用量、矿物掺合料、龄期对高性能混凝土收缩、徐变的影响规律。
This paper investigated expansion property that common Portland cement was as basic body and cement Q phase - C2S - C4AF - C12A7 as expansion age nt with a little addition of gypsum.
采用普通硅酸盐水泥作为基体、Q相-C2S -C4AF - C 12a7水泥作为膨胀剂、加入少量石膏的条件下进行试验研究。
Early age cracking caused by shrinkage is an important reason for the deteriorations of cement-based materials and reduction of volume stability.
早期收缩开裂是导致水泥基材料劣化及体积稳定性不良的重要原因。
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。
A certain amount of time in the cement, red clay improved the unconfined compressive strength with fiber incorporation and the increase of age.
在水泥掺入量一定时，改良红粘土的无侧限抗压强度随着纤维掺入量和龄期的增加而增加。
Influence of length and amount of carbon fiber, water cement ratio, curing age and moulding technology on electrical resistivity of carbon fiber cement composite were discussed experimentally.
着重探讨了碳纤维长度与掺量、水灰比、龄期及成型工艺对碳纤维增强水泥基复合材料导电性的影响。
Total porosity of coal gangue cement paste is higher but its pore size at later age is smaller than that of reference cement paste.
与基准水泥浆体相比，煤矸石水泥浆体总孔隙率有所上升，但其孔径后期有所细化。
The influence of mechanical activation towards granularity distributing of wet-discharged fly-ash, cement paste intensity of various age, micro-analysis (XRD, SEM) of hydration products were studied.
研究了机械活化对湿排粉煤灰的粒度分布、所制净浆试件各龄期的强度及其水化产物的微观分析(XRD、sem)的影响。
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。
Old age, his inventions and innovations including batteries, cement mixer, sound recording telephone, double - and multi-type cable system, railways used brakes.
晚年，他的发明和革新包括蓄电池、水泥搅拌机、录音电话、双工式和多工式电报系统、铁路用制动器等。
The collapse was all over the house, and the children of the same age I was crushed under the cement board, they can no longer return to the campus and return to his mother.
到处是倒塌的房子，和我同龄的孩子被压在水泥板下，他们再也不能回到校园，回到妈妈身边。
The effects of this admixture on early-age shrinkage properties of concrete and cement mortar strength were investigated in this paper.
对混凝土减缩防水密实剂对混凝土的早期收缩性能及对水泥胶砂强度的影响进行了试验研究。
The paper has studied the influence of water-cement ratio on the early-age shrinkge and whole shrinkge through self-deviced experimental apparatus for measuring early-age shrinkage.
通过自行设计早期收缩测试装置研究了水灰比对混凝土早期收缩的影响规律并在此基础上测试了混凝土总收缩。
The paper has studied the influence of water-cement ratio on the early-age shrinkge and whole shrinkge through self-deviced experimental apparatus for measuring early-age shrinkage.
通过自行设计早期收缩测试装置研究了水灰比对混凝土早期收缩的影响规律并在此基础上测试了混凝土总收缩。
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