钢渣和石墨改性混凝土的热和机械性能与比较工程成本评估
Huidong Shan1, Yun Cong2, Yan Zhang3
1State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China.
Materials (Basel, Switzerland)
|January 28, 2026
概括
工程师使用钢渣和石墨开发了高热导电性混凝土,以改善电缆的散热. 这种增强混凝土比传统材料提供了优越的热性能和经济优势.
科学领域:
- 材料科学 材料科学 材料科学
- 土木工程 土木工程是指土木工程.
- 热力工程是热力工程中的一个.
背景情况:
- 电缆运行会产生热量,因此需要通过封装混凝土有效散热.
- 封装混凝土的导热性对于电缆系统的热稳定性和散热是至关重要的.
- 传统的混凝土可能无法满足对电力基础设施高效热管理的日益增长的需求.
研究的目的:
- 开发和评估用于电缆封装的高热导电性混凝土.
- 调查钢渣粉,石墨粉和石墨颗粒对混凝土性能的影响.
- 评估开发的混凝土的机械性能,可加工性,导热性和经济可行性.
主要方法:
- 系统地调查矿物添加剂含量,石墨粉剂量和导电聚合物的替换比率.
- 测试导热性,机械性能 (压力强度) 和可加工性.
- 使用价值工程方法的经济绩效评估与传统C25混凝土相比.
主要成果:
- 与普通混凝土相比,开发的混凝土显示出明显改善的热性能.
- 用石墨颗粒取代10%的聚合物导致28天的导热率增加了106.16%.
- 混凝土的压力强度达到25.1MPa,符合机械完整性要求.
- 开发的混凝土的价值系数比传统的C25混凝土高18.31%.
结论:
- 这种新的混凝土配方有效地提高了导热率,同时保持了足够的机械性能.
- 该材料提供了显著的经济优势,使其成为一个具有成本效益的解决方案.
- 这种高热导电性混凝土在电力工程和节能建筑中具有很大的应用潜力.
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