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由硅酸盐水泥的观测数据反向萃取水化早期动力学方程 被引量:1

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摘要 早期水化反应对于硅酸盐水泥浆体微观结构的形成和强度的发展有着重要影响.然而由于水泥水化过程中发生了多相多尺寸并且相互关联的复杂的化学和物理变化,因此使得人工推导水化动力学方程的研究存在很高的难度.利用基因表达式编程与粒子群算法相结合的进化计算方法从观测到的硅酸盐水泥水化程度时间序列数据中自动地萃取出了水化早期的动力学方程,并通过GPU进行并行加速来减少运算时间.研究显示,根据该动力学方程得到的模拟曲线可以很好的吻合水化早期观测到的实验数据,而且即使化学组成、颗粒尺寸和养护条件发生改变,该方程仍然具有良好的泛化能力.
出处 《中国科学:技术科学》 EI CSCD 北大核心 2010年第5期582-595,共14页 Scientia Sinica(Technologica)
基金 国家自然科学基金(批准号:60873089 60573065) 山东省自然科学杰出青年基金(批准号:JQ200820) 新世纪优秀人才支持计划(批准号:NCET-10-0863)资助项目
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参考文献20

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共引文献200

同被引文献17

  • 1王培铭,丰曙霞,刘贤萍.水泥水化程度研究方法及其进展[J].建筑材料学报,2005,8(6):646-652. 被引量:108
  • 2阎培渝,郑峰.水泥基材料的水化动力学模型[J].硅酸盐学报,2006,34(5):555-559. 被引量:103
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  • 10Michael Schmidt and Hod Lipson.Distilling free-formnatural laws from experimental data.Science[J].2009,324:81-85.

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