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材料导报  2026, Vol. 40 Issue (7): 25010012-7    https://doi.org/10.11896/cldb.25010012
  无机非金属及其复合材料 |
矿渣-水泥胶凝体系早龄期的化学收缩模型及预测研究
吴浪1, 彭李琳1, 王则乐1, 李浩1, 雷斌2,*
1 江西科技师范大学土木工程学院,南昌 330013
2 南昌大学工程建设学院,南昌 330031
Chemical Shrinkage Model and Prediction for Early-age Slag-Cement Binder Systems
WU Lang1, PENG Lilin1, WANG Zele1, LI Hao1, LEI Bin2,*
1 School of Civil Engineering, Jiangxi Science and Technology Normal University, Nanchang 330013, China
2 School of Infrastructure Engineering, Nanchang University, Nanchang 330031, China
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摘要 矿渣-水泥胶凝材料作为一种二元复合建筑材料,在抑制混凝土体积变形、提高抗裂性能方面具有重要作用。本工作基于Parrot-Killoh水化动力学模型,结合矿渣水化特性,建立了考虑反应物与产物体积变化的矿渣-水泥胶凝体系早龄期化学收缩模型。通过与试验数据对比,结果表明,该模型能够较准确地预测矿渣-水泥胶凝体系早龄期的化学收缩行为。体系的化学收缩程度随龄期发展呈阶段性变化,且与水胶比、温度及比表面积呈正相关。本研究为矿渣在水泥基材料中的工程化应用提供了理论支撑。
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吴浪
彭李琳
王则乐
李浩
雷斌
关键词:  矿渣-水泥  早期性能  化学收缩预测模型  复合胶凝体系    
Abstract: As a binary composite binder, slag-cement binder systems play a critical role in mitigating concrete volume deformation and enhancing crack resistance. In this work, an early-age chemical shrinkage model for slag-cementitious materials was developed based on the Parrot-Killoh hydration kinetics model, incorporating the volumetric changes of reactants and hydration products while accounting for the specific hydration cha-racteristics of slag. Comparative analysis with experimental data demonstrates that the proposed model can accurately predict the early-age chemical shrinkage behavior of slag-cement systems. The evolution of chemical shrinkage exhibits distinct staged characteristics over time and shows positive correlations with water-to-binder ratio, temperature, and specific surface area. This research provides a theoretical foundation for the engineering application of slag in cement-based materials.
Key words:  slag-cement    early-age property    chemical shrinkage prediction model    composite binder system
发布日期:  2026-04-16
ZTFLH:  TU528  
基金资助: 国家自然科学基金(51968046;52268043);江西省主要学科学术和技术带头人培养计划-领军人才项目(20204BCJ22003)
通讯作者:  *雷斌,博士,南昌大学建筑工程学院教授、博士研究生导师。目前主要从事建筑固废资源化利用、混凝土结构耐久性能、路面材料再生技术以及结构全生命周期环境效应评价等研究。blei@ncu.edu.cn   
作者简介:  吴浪,博士,江西科技师范大学土木工程学院副教授、硕士研究生导师。目前主要从事水泥与混凝土微细观结构力学性能及其预测方面的研究。
引用本文:    
吴浪, 彭李琳, 王则乐, 李浩, 雷斌. 矿渣-水泥胶凝体系早龄期的化学收缩模型及预测研究[J]. 材料导报, 2026, 40(7): 25010012-7.
WU Lang, PENG Lilin, WANG Zele, LI Hao, LEI Bin. Chemical Shrinkage Model and Prediction for Early-age Slag-Cement Binder Systems. Materials Reports, 2026, 40(7): 25010012-7.
链接本文:  
https://www.mater-rep.com/CN/10.11896/cldb.25010012  或          https://www.mater-rep.com/CN/Y2026/V40/I7/25010012
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