矿渣-钢渣-石膏体系早期水化反应中的协同作用

doi:10.12068/j.issn.1005-3026.2020.04.022

东北大学学报:自然科学版 ›› 2020, Vol. 41 ›› Issue (4): 581-586.DOI: 10.12068/j.issn.1005-3026.2020.04.022

矿渣-钢渣-石膏体系早期水化反应中的协同作用

李颖¹，吴保华²，倪文¹，牟欣丽¹

(1. 北京科技大学土木与资源工程学院，北京100083； 2. 河钢钢铁集团有限公司邯钢钢铁股份有限公司，河北邯郸056015)

收稿日期:2019-09-23 修回日期:2019-09-23 出版日期:2020-04-15 发布日期:2020-04-17
通讯作者: 李颖
作者简介:李颖(1984-)，女，北京人，北京科技大学讲师，博士研究生；倪文(1961-)，男，河北香河人，北京科技大学教授，博士生导师.
基金资助:
国家重点研发计划项目(2018YFC1900603).

Synergies in Early Hydration Reaction of Slag-Steel Slag-Gypsum System

LI Ying¹， WU Bao-hua²， NI Wen¹， MU Xin-li¹

1. School of Civil and Resource Engineering， University of Science and Technology Beijing， Beijing 100083， China; 2. Handan Iron & Steel Co.， Ltd.， HBIS Group Co.， Ltd.， Handan 056015，China.

Received:2019-09-23 Revised:2019-09-23 Online:2020-04-15 Published:2020-04-17
Contact: NI Wen
About author:-
Supported by:
-

摘要/Abstract

摘要： 研究了矿渣-钢渣-石膏体系在水化早期的反应过程，侧重于分析单独变量条件下早期水化产物的种类、产生时间、相对产生量和微观形貌.结果表明:石膏和钢渣都可以激发矿渣水化，在矿渣-钢渣-石膏胶凝材料体系的早期水化过程中，矿渣、钢渣及石膏能够产生以生成钙矾石为驱动力的协同作用，主要水化产物是钙矾石和C-S-H凝胶.钢渣及钢渣与石膏混合物的极早期水化速度很快，对调节矿渣-钢渣-石膏胶凝材料体系的凝结时间具有重要意义.

关键词: 水化, 激发作用, 钙矾石, C-S-H凝胶, 协同作用

Abstract: The reaction process of slag-steel slag-gypsum system in early stage of hydration was studied with a focus on the types， production time， relative production and micromorphology of early hydration products under the single variable conditions. The results showed that both gypsum and steel slag can stimulate the hydration of slag. In early hydration process of slag-steel slag-gypsum cementitious material system， the synergies of slag， steel slag and gypsum can be driven by the formation of ettringite， and the main hydration products are ettringite and C-S-H gel. The very early hydration rate of steel slag and mixture of steel slag and gypsum is fast， which has great significance to adjusting the setting time of slag-steel slag-gypsum cementitious material system.

Key words: hydration, activation effect, ettringite, C-S-H gel, synergy

中图分类号:

TD989

李颖，吴保华，倪文，牟欣丽. 矿渣-钢渣-石膏体系早期水化反应中的协同作用[J]. 东北大学学报:自然科学版, 2020, 41(4): 581-586.

LI Ying， WU Bao-hua， NI Wen， MU Xin-li. Synergies in Early Hydration Reaction of Slag-Steel Slag-Gypsum System[J]. Journal of Northeastern University Natural Science, 2020, 41(4): 581-586.

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矿渣-钢渣-石膏体系早期水化反应中的协同作用

Synergies in Early Hydration Reaction of Slag-Steel Slag-Gypsum System

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