用煤底灰制成的混凝土的耐用性 波特兰水泥
Natalia Sanjuán1, Silvia Grandes2, Miguel Ángel Sanjuán3
1Civil Engineering School, Technical University of Madrid (UPM), C/Professor Aranguren, 3, 28040 Madrid, Spain.
Materials (Basel, Switzerland)
|February 27, 2026
概括
地煤底灰 (CBA) 可以用于水泥,以减少碳排放. 有CBA的混凝土符合耐用性标准,支持可持续建筑实践和废物利用.
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.
- 环境科学 环境科学
背景情况:
- 波特兰水泥生产导致大量的二氧化碳排放 (全球7.4%).
- 工业固体废物需要有效的回收利用策略.
- 减少水泥块因素是减缓气候影响的关键.
研究的目的:
- 为了评估混凝土的耐用性,结合地面煤底灰 (CBA).
- 评估CBA作为一种可持续的替代水泥成分.
- 为了支持在水泥生产中减少化物因子.
主要方法:
- 使用压力下的水透深度进行耐用性测试 (EN 12390-8).
- 使用含有CBA的CEM II/B-Z,CEM II/C-M,CEM VI (S-L) 和CEM VI (S-Z) 水泥制成的混凝土的评估.
- 对符合EN 206-1暴露类的分析.
主要成果:
- 使用CEM II/B-Z和CEM II/C-M水泥的混凝土符合所有EN 206-1暴露类的水透标准.
- 有CEM VI (S-L) 和CEM VI (S-Z) 的混凝土符合XS1,XS2,XD,XA1,XM和XF等级.
- CEM VI混凝土不符合XS3,XA2和XA3的标准,混合设计为B (300kg/m3,w/c=0.50).
结论:
- 地煤底灰 (CBA) 是一种可行的水泥成分.
- CBA提高了混凝土的耐用性,同时允许减少合物因子.
- 研究结果支持在水泥中使用CBA用于可持续建筑和废物利用.
关键词:
国际气候变化专门委员会 (IPCC) 的 IPCC 专题报告.路线图2050 年的路线图.混凝土混凝土是混凝土混凝土.建筑材料 建筑材料在水泥,水泥,水泥.气候变化缓解 气候变化缓解煤炭底灰灰是什么意思 煤炭底灰政策 政策 政策 政策更多相关视频
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