火电厂粉煤灰纤维与碎石砂混合料混凝土性能研究

IF 1.9 4区 材料科学 Q3 Materials Science Science and Engineering of Composite Materials Pub Date : 2022-01-01 DOI:10.1515/secm-2022-0167
A. Bieliatynskyi, Shilin Yang, V. Pershakov, M. Shao, M. Ta
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引用次数: 0

摘要

摘要本研究旨在优化主要复合材料的组成,其中的组分在它们的共同存在下,有可能获得最显著的正协同效应。本文作者将火力发电厂飞灰纤维作为一种精细分散的成分添加到碎石砂混合物中。研究结果是一种高强度耐腐蚀材料,由添加粉煤灰纤维的碎石砂混合物(CSSM)组成。作者应用热重分析和标准方法研究和确定了所获得材料的性能和强度特性。一种复合有机矿物改性添加剂和含有粉煤灰纤维的水泥的联合作用提供了一种压实和加固的水泥石结构。开发了一种由水泥和粉煤灰纤维组成的最佳粘结剂组合物。本文作者研究了由水泥、粉煤灰纤维和高效减水剂组成的复合添加剂加固的细粒混凝土CSSM的物理力学和结构力学性能。该研究还为基于开发的复杂有机矿物添加剂制造细粒混凝土功能性混合物提供了技术解决方案。
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Study of concrete properties based on crushed stone sand mixture and fiber of fly ash of thermal power plants
Abstract The study aims to optimize the composition of the main composite, the components of which, in their joint presence, make it possible to obtain the most significant positive synergistic effect. The authors of this article used the fibers of fly ash from thermal power plants as a finely dispersed component added to the crushed stone sand mixture. The result of the study was a high-strength corrosion-resistant material consisting of a crushed stone sand mixture (CSSM) with the addition of the fibers of fly ash. The authors applied the thermogravimetric and standard methods to study and determine the performance and strength characteristics of the obtained material. The combined effect of a complex organic-mineral modifying additive and the cement with the fibers of fly ash provided a compacted and reinforced structure of cement stone. An optimal binder composition was developed, consisting of cement and fiber of fly ash. The authors of this article examined the physical-mechanical and structural-mechanical properties of a CSSM of fine-grained concrete reinforced with a complex additive of cement, fibers of fly ash, and a superplasticizer. The study also provided technological solutions for manufacturing a functional mixture of fine-grained concrete based on the developed complex organic-mineral additive.
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来源期刊
Science and Engineering of Composite Materials
Science and Engineering of Composite Materials 工程技术-材料科学:复合
CiteScore
3.10
自引率
5.30%
发文量
0
审稿时长
4 months
期刊介绍: Science and Engineering of Composite Materials is a quarterly publication which provides a forum for discussion of all aspects related to the structure and performance under simulated and actual service conditions of composites. The publication covers a variety of subjects, such as macro and micro and nano structure of materials, their mechanics and nanomechanics, the interphase, physical and chemical aging, fatigue, environmental interactions, and process modeling. The interdisciplinary character of the subject as well as the possible development and use of composites for novel and specific applications receives special attention.
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