Impact of Wollastonite and Glass Powder as Partial Cement Replacement on the Properties of Concrete

Pothuru Sucharitha
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Abstract

Abstract: Scientists are currently concentrating their efforts on waste products, agricultural waste, and other natural elements in an effort to develop technologies that might be utilized as raw materials for construction. Recycling, on the other hand, stimulates the economy and contributes to the creation of a cleaner, safer environment. To solve this problem, a variety of ingredients are used in place of some cement, such as fly ash, GGBS, silica fume, wollastonite, waste glass powder, etc. You can cut down on pollutants in the environment by replacing part of the cement with wollastonite and glass powder. Since glass does not biodegrade, filling it with shattered glass is an unsustainable and damaging activity for the environment. Silica makes up the majority of glass. Wollastonite is a naturally occurring material that costs less than cement. This study's main goal is to investigate possible impacts and determine how the wollastonite-glass powder (W-GP) combination influences the mechanical properties and longevity of M40-grade concrete. We study the properties of concrete strength after adding wollastonite at 5%, 10%, 15%, and 20%. In order to maintain the optimal percentage of wollastonite replacement, mineral admixtures such as glass powder (5%, 10%, 15%, and 20%) can be used in place of more cement. Test results show that utilizing cement instead of 15% wollastonite yields superior outcomes to employing the recommended mixture. The mixture that demonstrated the largest strength enhancement was composed of 15% wollastonite and 15% GP.
硅灰石和玻璃粉作为部分水泥替代物对混凝土性能的影响
摘要:科学家们目前正集中精力研究废品、农业废弃物和其他自然元素,努力开发可用作建筑原材料的技术。另一方面,回收利用可以刺激经济,并有助于创造一个更清洁、更安全的环境。为了解决这个问题,人们使用各种成分来替代部分水泥,如粉煤灰、GGBS、硅灰、硅灰石、废玻璃粉等。用硅灰石和玻璃粉代替部分水泥,可以减少环境中的污染物。由于玻璃不能生物降解,用碎玻璃填充是一种不可持续的破坏环境的行为。玻璃的主要成分是二氧化硅。硅灰石是一种天然材料,成本低于水泥。本研究的主要目标是调查硅灰石-玻璃粉(W-GP)组合可能产生的影响,并确定其如何影响 M40 级混凝土的机械性能和使用寿命。我们研究了添加 5%、10%、15% 和 20% 硅灰石后的混凝土强度特性。为了保持硅灰石的最佳替代比例,可以使用玻璃粉(5%、10%、15% 和 20%)等矿物掺合料来替代更多水泥。测试结果表明,使用水泥代替 15%的硅灰石比使用推荐的混合物效果更好。由 15%硅灰石和 15%GP组成的混合物强度最大。
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