用于青混合物的石板粗聚合物的破碎特性评估
Hao Huang1, Yanfei Zhu2, Kun Zhou2
1State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China.
Materials (Basel, Switzerland)
|February 13, 2026
概括
与石灰岩和玄武岩相比,石灰岩聚合物在青混凝土中表现出优越的粉碎阻力和耐久性. 尽管对其结构存在担忧,但石板聚合物表现出色,使其成为可行的建筑材料.
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.
- 地质地质地质地质地质地
背景情况:
- 石板聚合物具有遗留的床和石板裂纹,可能会影响其在青混凝土中的粉碎特性和强度.
- 人们担心石板聚合物在青应用中的压碎阻力不足和长期耐用性不确定.
研究的目的:
- 为了研究石板粗聚合物在青混合物中的压碎行为和性能.
- 为了比较石板聚合物的粉碎特性与传统的石灰岩和玄武岩聚合物.
主要方法:
- 进行了粉碎值测试,单颗粒压缩粉碎测试,马歇尔压缩阻力测试和旋转压缩阻力测试.
- 分析了使用韦布尔分布的粉碎模式,强度,分级变化和单颗粒粉碎强度的统计分布.
- 在各种压缩方法和聚合条件下检查了粒子分布模式.
主要成果:
- 石板粗块显示出优越的粉碎价值 (9.2%) 和出色的耐水/耐热性.
- 单颗粒粉碎强度的石板比石灰岩和玄武岩更高,遵循韦布尔分布.
- 与石板聚合物的青混合物表现出比使用玄武岩和石灰岩的青混合物更好的粉碎阻力.
结论:
- 石板的床层结构不会导致在青混合物中过度粉碎.
- 石板聚合物表现出优越的粉碎阻力和耐用性,证明它们是石灰岩和玄武岩的可行替代品.
- 对于实际的工程应用,建议对来自不同来源的石板聚合物进行进一步验证.
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