High-strength gypsum binder with improved water-resistance coefficient derived from industrial wastes.

IF 3.7 4区环境科学与生态学 Q3 ENGINEERING, ENVIRONMENTAL Waste Management & Research Pub Date : 2025-02-01 Epub Date: 2024-03-21 DOI:10.1177/0734242X241240042

Maksim Kamarou, Dmitry Moskovskikh, Kirill Kuskov, Sergey Yudin, Abayomi Adewale Akinwande, Andrey Smorokov, Yasin Onuralp Özkılıç, Mohanad Yaseen Abdulwahid, Abhijit Bhowmik, Elena Romanovskaia, Natalia Korob, Andrei Paspelau, Valentin Romanovski

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Abstract

The article presents the possibility of increasing the water resistance of gypsum binders (GBs) obtained based on synthetic gypsum by introducing additives derived from industrial wastes. Regularities were obtained for the influence of the type and amount of additives on the water/gypsum ratio (W/G), strength indicators and water resistance of high-strength GB. The introduction of a single-component additive to improve water resistance does not have a significant effect. Complex additives based on Portland cement, granulated blast-furnace slag, electric steel-smelting slag, expanded clay dust and granite screenings of various fractions have been developed that make the maximum contribution to improving the water resistance of a high-strength GB based on synthetic calcium sulphate dihydrate, which made it possible to increase the water-resistance coefficient from 0.39 to 0.82.

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从工业废料中提取的具有更高抗水系数的高强度石膏粘结剂。

文章介绍了通过引入从工业废料中提取的添加剂来提高以合成石膏为基础的石膏粘结剂（GB）的耐水性的可能性。添加剂的种类和用量对高强度 GB 的水/石膏比（W/G）、强度指标和耐水性的影响具有规律性。引入单组分添加剂来提高耐水性的效果并不明显。已开发出基于硅酸盐水泥、粒化高炉矿渣、电炉钢渣、膨胀粘土粉和各种馏分的花岗岩筛分的复合添加剂，它们对改善基于合成二水硫酸钙的高强度国标的耐水性做出了最大贡献，使耐水系数从 0.39 提高到 0.82。

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来源期刊

Waste Management & Research 环境科学-工程：环境

CiteScore

8.50

自引率

7.70%

发文量

232

审稿时长

4.1 months

期刊介绍： Waste Management & Research (WM&R) publishes peer-reviewed articles relating to both the theory and practice of waste management and research. Published on behalf of the International Solid Waste Association (ISWA) topics include: wastes (focus on solids), processes and technologies, management systems and tools, and policy and regulatory frameworks, sustainable waste management designs, operations, policies or practices.