碱激发昆钢矿渣水泥高温抗压强度实验研究_《混凝土与水泥制品》杂志社

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发布时间：2020-01-06 00:00:00

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碱激发昆钢矿渣水泥高温抗压强度实验研究

Experimental Study on Compressive Strength of Alkali-activate Slag (AAS) Cement from Kunming Iron and Steel Co.,Ltd. after High

２０18年第3期

矿渣；碱含量；水胶比；高温强度；碱激发

Slag; alkali content, Water-binder ratio; High-temperature strength; Alkali-activate

２０18年第3期

1000-4637（2018）03-101-04

云南省教育厅研究基金（2016ZZX037）；昆明理工大学分析测试基金（2016T20110035）。

万夫雄，鲁继宣，田尚理，游用，郭荣鑫

昆明理工大学建工学院，650000

万夫雄，鲁继宣，田尚理，游用，郭荣鑫

万夫雄,鲁继宣,田尚理,等.碱激发昆钢矿渣水泥高温抗压强度实验研究[J].混凝土与水泥制品,2018(3):101-104.

WAN F X,LU J X,TIAN S L,et al.Experimental Study on Compressive Strength of Alkali-activate Slag (AAS) Cement from Kunming Iron and Steel Co., Ltd.after High Temperature[J].China Concrete and Cement Products,2018(3):101-104.

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摘要：为更广泛了解碱矿渣水泥耐高温性能，选用水玻璃和氢氧化钠分别激发昆钢矿渣，探究两种激发剂作用下碱矿渣水泥高温劣化程度，以及在不同碱含量、不同水胶比和不同水玻璃模数时强度随温度的变化规律。实验结果表明，两种碱激发昆钢矿渣水泥随着温度升高强度均较大幅度降低，耐高温性能不佳。在两种激发剂分别作用下，不同碱含量时常温强度越高的碱矿渣水泥高温强度降幅均越大，不同水胶比时碱矿渣水泥高温强度降低幅度均与温度区段相关。在水玻璃为激发剂作用下，水玻璃模数越大，碱矿渣水泥高温强度降幅越小。在相同碱含量和水胶比下，水玻璃激发昆钢矿渣水泥耐高温性能明显好于氢氧化钠激发。 Abstract: In order to understande the comprehensively high temperature-resistance performance of Alkali-activated Slag (AAS), Water Glass (WG) and Sodium Hydroxide (SH) are used to activate slag from Kunming Iron and Steel Co.,Ltd (KIS), high-temperature deterioration degree of AAS by the two activators, and the law of compressive strength varying with temperature for different alkali content, water-binder ratio and WG modules are studied. Experimental result shows that the strength of AAS from KIS has a great drop with high temperature increasing, and has not good temperature-resistance performance. For AAS with different alkali content, the higher the strength at room temperature, the more sharperly the strength declines at high temperature. For AAS with different water-binder ratio, the degree of the strength declining is related to temperature. The bigger the WG moduleis, the better temperature-resistance performance of AAS is. At the case of the same alkali content and water-binder ratio, temperature-resistance performance of AAS by WG is better than that by SH.

英文名 : Experimental Study on Compressive Strength of Alkali-activate Slag (AAS) Cement from Kunming Iron and Steel Co.,Ltd. after High

刊期 : ２０18年第3期

关键词 : 矿渣；碱含量；水胶比；高温强度；碱激发

Key words : Slag; alkali content, Water-binder ratio; High-temperature strength; Alkali-activate

刊期 : ２０18年第3期

DOI :

文章编号 : 1000-4637（2018）03-101-04

基金项目 : 云南省教育厅研究基金（2016ZZX037）；昆明理工大学分析测试基金（2016T20110035）。

作者 : 万夫雄，鲁继宣，田尚理，游用，郭荣鑫

单位 : 昆明理工大学建工学院，650000

万夫雄，鲁继宣，田尚理，游用，郭荣鑫

万夫雄,鲁继宣,田尚理,等.碱激发昆钢矿渣水泥高温抗压强度实验研究[J].混凝土与水泥制品,2018(3):101-104.

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摘要

参数

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参考文献

引用本文

摘要：为更广泛了解碱矿渣水泥耐高温性能，选用水玻璃和氢氧化钠分别激发昆钢矿渣，探究两种激发剂作用下碱矿渣水泥高温劣化程度，以及在不同碱含量、不同水胶比和不同水玻璃模数时强度随温度的变化规律。实验结果表明，两种碱激发昆钢矿渣水泥随着温度升高强度均较大幅度降低，耐高温性能不佳。在两种激发剂分别作用下，不同碱含量时常温强度越高的碱矿渣水泥高温强度降幅均越大，不同水胶比时碱矿渣水泥高温强度降低幅度均与温度区段相关。在水玻璃为激发剂作用下，水玻璃模数越大，碱矿渣水泥高温强度降幅越小。在相同碱含量和水胶比下，水玻璃激发昆钢矿渣水泥耐高温性能明显好于氢氧化钠激发。

Abstract: In order to understande the comprehensively high temperature-resistance performance of Alkali-activated Slag (AAS), Water Glass (WG) and Sodium Hydroxide (SH) are used to activate slag from Kunming Iron and Steel Co.,Ltd (KIS), high-temperature deterioration degree of AAS by the two activators, and the law of compressive strength varying with temperature for different alkali content, water-binder ratio and WG modules are studied. Experimental result shows that the strength of AAS from KIS has a great drop with high temperature increasing, and has not good temperature-resistance performance. For AAS with different alkali content, the higher the strength at room temperature, the more sharperly the strength declines at high temperature. For AAS with different water-binder ratio, the degree of the strength declining is related to temperature. The bigger the WG moduleis, the better temperature-resistance performance of AAS is. At the case of the same alkali content and water-binder ratio, temperature-resistance performance of AAS by WG is better than that by SH.

关键词:

矿渣；碱含量；水胶比；高温强度；碱激发

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