查询词典 concrete

The results of tests for production of 400?MPa-grade vanadium bearing concrete steel(Ⅲ-grade 20?MnSiV concrete steel)using VN alloying and ferrovanadium alloying were introduced.

介绍了攀钢采用氮化钒合金化与钒铁合金化生产 40 0MPa级含钒钢筋(2 0MnSiVⅢ级钢筋)的对比试验结果，研究了钒、氮微合金化对钢筋的性能和组织的影响，探讨了氮化钒的强化机理，比较了使用两种合金的生产成本。

In this paper, the strengthen mechanism of fiber chop was firstly analyzed based on stress transfer theory, fiber space theory and composite mechanism of fiber reinforced polymer concrete was studied, an then the mechanical properties of the polymer concrete was studied, which was mixed with Durafiber.

本文首先应用应力传递理论、纤维间距理论和复合材料机理对短纤维增强树脂混凝土的增强机理进行了初步分析；然后，在呋喃树脂混凝土中加入杜拉纤维，对其力学性能进行了研究。

These mentioned factors greatly influence the mechanical behavior and the load carrying capacity of reinforced concrete beams. On the base of finite element software ANSYS, flexural behavior of corroded reinforced concrete beams are studied.

本文借助于ANSYS有限元程序，对锈蚀钢筋混凝土梁的受弯性能进行了研究，主要工作和成果有：采用有限元程序模拟钢筋的拉伸试验。

In addition, the embodied energy of several different strength grades of concrete and fly ash concrete is calculated.

此外，还计算了不同强度等级的掺与不掺粉煤灰混凝土的物化能耗值。

According to the theoretical analysis and experimental results,it is concluded that the wind swirl and the fosse moat effect can also accelerate the concrete carbonization.Besides,wind pressure can generate secondary air field,which can also accelerate the concrete carbonization.

笔者在对贵州省贵阳铁路分局川黔线上一座使用了34 a的混凝土桥梁进行调研时发现，受风压影响较大面的碳化深度为一般面碳化深度的1.15倍，并在文献[2]中对这一结果进行了简单描述。

Gain ground mediumly in urban construction as concrete use, of concrete mix made quality have very big rise.

随着混凝土在城市建设中的普及使用，混凝土的拌制质量有了很大的提高。

Comrade Hu Jintao is in the China Disciplinary Commission publishs serious talk the 3rd times on plenary meeting, elaborated deeply promote energetically in entire party beg spirit of true deal with concrete matters relating to work, go in for sth in a large scale the importance of the wind that seeks true deal with concrete matters relating to work, the great sense that has fundamental sex, essential sex to advancing the construction of the party.

胡锦涛同志在中纪委第三次全会上发表重要讲话，深刻阐述了在全党大力弘扬求真务实精神、大兴求真务实之风的重要性，对于推进党的建设具有基础性、根本性的重大意义。

The method of orthogonal experimental design is adopted to study the effect of mix proportion on GTE of concrete. The laboratory-batched concrete specimens were moistured and tested at 1, 2, 3, 5, 7, 14, 28 days.

采用正交设计的试验方法，研究了配合比设计参数对热膨胀系数的影响，并用功效系数法确定满足多项指标的优化配合比方案。

Presenting elementary comparative study between Chen-Chen three parameter concrete model and Hinton double parameter concrete model in the nonlinearly analysis.

对Chen-Chen三参数和Hinton双参数两种混凝土本构模型在非线性分析中的应用做了初步的对比分析。

Assuming infinite diffusion medium, based on the diffusion equation for prestressed concrete structure, and accounting for the effects of concrete chloride binding capacity, time dependence of diffusion coefficients, temperature and moisture, models of chloride diffusion in two-dimensional infinite body with both power function and constant homogeneous boundary conditions were formulated.

针对无限大的扩散介质，以综合考虑氯离子结合能力、氯离子扩散系数的时间依赖性和环境温湿度影响的实际预应力混凝土氯离子方程为基础，分别在常数和幂函数边界条件下，推导出二维氯离子扩散理论的齐次模型。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。