对一种新的基于水泥的接材料进行实验研究,用于铁尾链的沙子
Ruibao Jin1, Chaoyu Yang2, Yangyang Luo3
1Henan Transport Investment Jiaozheng Expressway Co., Ltd., Zhengzhou 450000, China.
Materials (Basel, Switzerland)
|January 28, 2026
概括
在这项研究中,在水泥中用铁砂 (ITS) 取代制造砂,从而获得高性能材料. 最佳的40%的ITS更换率提高了强度,并符合预制建筑的行业标准.
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.
- 可持续建筑 可持续建筑
背景情况:
- 资源枯竭需要在建筑材料中找到可持续的替代品.
- 工业固体废物,如铁砂 (ITS),为物质价值化提供了机会.
- 开发高性能水泥料对于预制建筑应用至关重要.
研究的目的:
- 开发一种绿色,高性能的基于水泥的粘合剂,使用铁砂 (ITS) 作为制造砂的部分替代品.
- 通过评估流动性,机械强度和膨胀率来评估ITS修改型合物的工程可行性.
- 确定最佳的ITS替换比率,以实现所需的合物特性和满足行业规格.
主要方法:
- 基于水泥的粘合剂配方使用ITS替代工业砂以不同比例 (0-50%) 准备.
- 实验评估包括流动性,压力强度 (在不同年龄段) 和膨胀率的测量.
- 进行了优化分析,以确定表现最佳的ITS替代级别.
主要成果:
- 由于其粒子形态,ITS的包含对流动性产生了负面影响,但通过物理填充效应提高了压力强度.
- 30%的ITS替代组达到28天的峰值压力强度为100.4MPa.
- 40%的ITS替换率被确定为最佳,满足流动性,早期强度和体积稳定性的行业标准.
结论:
- 在水泥中使用铁砂 (ITS) 是可持续建筑材料开发的可行策略.
- 开发的合剂具有最佳的ITS含量,显示出适合预制建筑的高性能.
- 这项研究强调了工业固体废物在生产先进建筑材料中的实际应用.
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