不同纤维对混凝土力学性能有不同的改善。
Different fiber has different effect on the mechanical properties of concrete.
提出用等离子体活化水来提高混凝土力学性能的新设想。
A new good idea to improve the performance of the concrete by plasma activated water is put forward.
研究了钢纤维和聚丙烯纤维对道路混凝土力学性能的影响。
The influences of steel fiber and polypropylene fiber on the mechanical properties of pavement concrete were investigated in this paper.
过去多年来了大量的研究工作进行对高强混凝土力学性能。
Over the last years a considerable amount of research work has been carried out on the mechanical properties of HSC.
文中还阐述了掺聚合物后引起钢纤维混凝土力学性能变化的规律。
The variation rule of mechanical property of steel fiber concrete by adding polymer is described.
研究了掺入聚合物对高性能轻骨料混凝土力学性能及微观结构的影响。
This paper studies the influences of polymer on the mechanical properties and microstructure of HPLWAC.
研究了混杂纤维(钢纤维和聚丙烯纤维)对道路混凝土力学性能的影响。
The influences of hybrid fiber (steel fiber and polypropylene fiber) on the mechanical properties of pavement concrete were investigated in this paper.
在准静态及中低加载速率下，开展了饱和与干燥混凝土力学性能变化的试验研究。
The compressive properties of saturated and dry concretes including strength, elastic modulus and peak strain under different loading rates are studied by experiments.
试验结果表明：(1)修补混凝土力学性能指标已超过C30混凝土等级的要求。
The testing result indicates: (1) the mechanics properties of the patched concrete has surpassed the rank of C30 concrete.
采用强度退化率和应变能损失率为损伤指标，对不同腐蚀程度混凝土力学性能的退化进行分析。
The strength degradation ratio and strain energy loss were selected as damage indexes to analyze the deterioration law of the mechanical properties of concrete in different co.
火灾后组成钢管混凝土的钢材和混凝土力学性能的降低，可能造成钢管混凝土柱抗震性能的改变。
The strength of concrete and steel decrease a lot after exposure to fire. As a result, the seismic performance of concrete-filled steel tubular (CFST) columns may be changed.
研究证明，橡胶混凝土力学性能较基准混凝土有所下降，但采用加压成型工艺可有效改善其下降幅度；
It is verified that the mechanical properties of rubberized concrete are worse than those of the reference concrete, but it can be improved by the press-forming.
对膨胀内应力进行定性和定量的研究，并初步给出这种内应力的计算模型，为受腐蚀混凝土力学性能的进一步研究做了基础性工作。
Qualitative and quantitative researches on the internal stress have been carried out, which established the theoretical foundation for the study of mechanical property …
对膨胀内应力进行定性和定量的研究，并初步给出这种内应力的计算模型，为受腐蚀混凝土力学性能的进一步研究做了基础性工作。
Qualitative and quantitative researches on the internal stress have been carried out, which established the theoretical foundation for the study of mechanical property …
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