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首页> 外文期刊>Journal of Nuclear Physics, Material Sciences, Radiation and Applications >Rubber Additions into Concrete and Gamma Radiation Effects on Mechanical Properties and Microwave Absorption Capacity
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Rubber Additions into Concrete and Gamma Radiation Effects on Mechanical Properties and Microwave Absorption Capacity

机译：橡胶添加到混凝土中和伽马辐射对机械性能和微波吸收能力的影响

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摘要

Rubber is the indispensable raw material for the manufacture of tires; it is obtained from plants, trees and currently can be produced synthetically. The tire rubber is mixed with compounds such as carbon black, sulfur, cement, paints, antioxidants, oils and fats, steel wire, almost etc., making impossible to recycle the tires itself. In this work, we investigate, the effects of the incorporation of ground rubber in concrete, mixture designed to establish the possibility of being used in the construction industry. The samples of concrete were addition with, 5 vol. %., 15 vol. % and 25 vol. % of rubber. Samples with different rubber addition were irradiated by a cobalt 60 gamma source to study the effect on their mechanical compression properties and microwave absorption capacity. Likewise, the microwave absorption capacity was studied for both irradiated and the non-irradiated. It was found that between 5 vol. % and 15 vol. % of rubber addition change the mechanical properties approximately 25 %, higher rubber additions result in a decrease in a 75 % of its mechanical properties. The fracture behavior is not the expected one due to as the curves of stress vs. strain show a double slope, which is associated with the concrete porosity and rubber content. The aging with the gamma rays generates loss of mechanical properties, especially at lower rubber addition, since at content greater than 15 Vol % the radiation effect is less. These rubber additions allow moderate deformations in compression, thus contributing to the care and preservation of the environment.
机译：橡胶是制造轮胎必不可少的原材料。它是从植物，树木中获得的，目前可以合成生产。轮胎橡胶与诸如炭黑，硫磺，水泥，油漆，抗氧化剂，油脂，钢丝等的化合物混合，几乎无法回收轮胎本身。在这项工作中，我们调查了在混凝土中掺入地面橡胶的影响，这些混合物旨在确定可用于建筑业的可能性。加入5vol。％的混凝土样品。 ％。，15卷％和25卷橡胶百分比。用钴60γ射线源辐照了添加了不同橡胶的样品，以研究对其机械压缩性能和微波吸收能力的影响。同样，研究了辐照和未辐照的微波吸收能力。据发现，在5卷之间。 ％和15卷橡胶添加量的％改变约25％的机械性能，橡胶添加量增加导致其机械性能降低75％。断裂行为不是预期的，因为应力与应变的曲线显示出双重斜率，这与混凝土的孔隙率和橡胶含量有关。伽马射线的老化会导致机械性能的下降，特别是在橡胶添加量较低的情况下，因为含量大于15 Vol％时，辐射效应较小。这些橡胶添加剂可使压缩变形适中，从而有助于维护和保护环境。

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