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| 下载次数 | 被引频次 | 阅读次数 |
对用于模拟水泥水化动力学的比例因子模型进行了总结与扩展,通过等温量热实验数据着重分析了其在模拟养护温度、养护压力、添加剂和搅拌强度等多种因素对水泥水化进程的影响中的应用。结果表明:利用比例因子模型可以计算水泥在某标准条件下的等效龄期;在各种影响因素作用下水泥的累积放热量随等效龄期的演化曲线具有较好的一致性,且每一种影响因素与比例因子之间存在一定的函数关系;用该关系可以模拟各种影响因素对水泥水化动力学的影响。
Abstract：A scale factor model for simulating cement hydration kinetics was represented. The application of this model in simulating the influences of factors(i.e., curing temperature, curing pressure, chemical additives and mixing intensity) on the cement hydration process based on the experimental data by isothermal calorimetry was described. The results show that the scale factor model can be used to calculate the equivalent age of cement under a standard condition. The cumulative cement hydration heat shows almost the same evolution profile as a function of the equivalent age, and there is a functional correlation between each influencing factor and the scale factor.
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基本信息:
DOI：10.14062/j.issn.0454-5648.20200622
中图分类号:TE256
引用信息:
[1]孙立君,庞学玉,郭胜来,等.比例因子法模拟硅酸盐水泥水化动力学[J].硅酸盐学报,2021,49(05):918-927.DOI:10.14062/j.issn.0454-5648.20200622.
基金信息:
国家自然科学基金项目(51974352); 中国石油大学(华东)人才引进项目(2018000025)
2020-08-17
2020
2021-04-03
2021-01-19
2021
1
2021-04-12
2021-04-12
2021-04-12