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Effects of glass powder on the characteristics of concrete subjected to high temperatures

机译：玻璃粉对高温混凝土性能的影响

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This paper presents an experimental investigation on the performance of concrete with and without glass powder (GP) subjected to elevated temperatures. Mechanical and physicochemical properties of concretes were studied at both ambient and high temperatures. One of the major environmental concerns is disposal or recycling of the waste materials. However, a high volume of the industrial production has generated a considerable amount of waste materials which have a number of adverse impacts on the environment. Further, use of glass or by-products in concrete production has advantages for improving some or all of the concrete properties. The economic incentives and environmental benefits in terms of reduced carbon footprint are also the reason for using wastes in concrete. The occurrence of spalling, compressive strength, mass loss, chemical composition, crystalline phase, and thermal analysis of CPG before and after exposure to various temperatures (20, 200, 400, and 600℃) were comprehensively investigated. The results indicated that, the critical temperature range of CPG was between 400℃ and 600℃.
机译：本文介绍了在有和没有玻璃粉（GP）的情况下混凝土在高温下的性能的实验研究。在室温和高温下都研究了混凝土的机械和物理化学性能。主要的环境问题之一是废物的处理或回收。但是，大量的工业生产已经产生了大量的废料，这些废料对环境有许多不利影响。此外，在混凝土生产中使用玻璃或副产品具有改善某些或全部混凝土性能的优点。就减少碳足迹而言，经济诱因和环境效益也是在混凝土中使用废物的原因。全面研究了CPG在各种温度（20、200、400和600℃）暴露前后的剥落，抗压强度，质量损失，化学成分，结晶相和热分析的发生。结果表明，CPG的临界温度范围为400℃至600℃。

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