废玻璃在碱矿渣/粉煤灰混合物中的利用：反应过程、微观结构和氯化物扩散行为

IF 4.7 3区工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY

Journal of Sustainable Cement-Based Materials Pub Date : 2023-05-04 DOI:10.1080/21650373.2022.2082577

Tao Liu, Q. Yu, H. Brouwers, Xiaochun Fan

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引用次数: 8

摘要

本研究旨在研究添加不同含量的废玻璃粉（GP）的碱矿渣和粉煤灰混合物的氯化物扩散行为。对碱矿渣/粉煤灰/废玻璃的反应热流进行了表征。通过X射线衍射和热重分析（TGA）测定反应产物。N2吸附分析（BET）用于评估样品的微观结构。采用加速氯离子渗透试验（ACPT）研究了AAM的耐氯性。随后，对氯化物渗透样品进行浸出试验，并利用离子色谱法测定样品中的氯化物含量。根据BET结果，中孔的总体积随着GP含量的增加而减小。ACPT的结果表明，AAM中GP的增加表明抗氯性的增强。

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Utilization of waste glass in alkali activated slag/fly ash blends: reaction process, microstructure, and chloride diffusion behavior

This study aims to investigate the chloride diffusion behavior of alkali activated slag and fly ash blends with different contents of waste glass powder (GP) addition. The reaction heat flow of alkali activated slag/fly ash/waste glass is characterized. The reaction products are determined by X-ray diffraction and thermogravimetric analysis (TGA). N2 adsorption analysis (BET) is used to evaluate the microstructure of samples. The accelerated chloride penetration test (ACPT) is applied to study the chloride resistance of the AAMs. Subsequently, the leaching test of chloride penetrated samples are conducted and ion chromatography is utilized to measure the chloride content in the samples. According to the BET results, the total volume of mesopores decreases with increasing GP content. The results of ACPT show that the increasing GP in AAMs shows an enhancement of chloride resistance.

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来源期刊

Journal of Sustainable Cement-Based Materials Multiple-

CiteScore

6.60

自引率

15.90%

发文量

期刊介绍： The Journal of Sustainable Cement-Based Materials aims to publish theoretical and applied researches on materials, products and structures that incorporate cement. The journal is a forum for discussion of research on manufacture, hydration and performance of cement-based materials; novel experimental techniques; the latest analytical and modelling methods; the examination and the diagnosis of real cement and concrete structures; and the potential for improved cement-based materials. The journal welcomes original research papers, major reviews, rapid communications and selected conference papers. The Journal of Sustainable Cement-Based Materials covers a wide range of topics within its subject category, including but are not limited to: • raw materials and manufacture of cement • mixing, rheology and hydration • admixtures • structural characteristics and performance of cement-based materials • characterisation techniques and modeling • use of fibre in cement based-materials • degradation and repair of cement-based materials • novel testing techniques and applications • waste management