Optimisation of Ultra-High-Performance Concrete with Special Quarry Dust

IF 0.4 Q4 ENGINEERING, MULTIDISCIPLINARY

International Journal of Integrated Engineering Pub Date : 2023-07-31 DOI:10.30880/ijie.2023.15.02.002

Amir Mohammad Alizada, Ehsanullah Waseem, Sakhiah Abdul Kudus, Zainorizuan Mohd Jaini

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引用次数: 0

Abstract

The cement composition of concrete directly affects the CO2emissions to the environment. UHPC (Ultra High-Performance Concrete) is a new type of concrete rapidly gaining popularity in the building industry due to its superior strength and endurance. In contrast to regular concrete, UHPC requires more than twice as much cement, making it more expensive and leaving a more significant carbon imprint. In this study, waste cement was substituted with 4%, 8%, and 12% special quarry dust from a manufacturer in Kuantan, Malaysia. Maximum compressive strength and quarry dust percentage are determined through experimentation and assessed in Design Expert Software. This investigation tested modified UHPC for strength, durability, and scanning electron microscope (SEM)appearance. Experiments show that substituting 21% quarry dust for cement yields the best outcomes. Since the particle size of quarry dust is finer than that of other matrices, it helps to reduce voids and boosts the UHPC's endurances. The quarry dust adds filler and a minor increase in viscosity to the UHPC, which is a better replacement for anhydrate cement in filler applications.

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掺特殊采石场粉尘的高性能混凝土的优化

混凝土的水泥成分直接影响CO2对环境的排放。超高性能混凝土（UHPC）是一种新型混凝土，由于其优异的强度和耐久性，在建筑行业迅速流行起来。与普通混凝土相比，UHPC所需的水泥量是普通混凝土的两倍多，这使其更加昂贵，并留下了更显著的碳印记。在这项研究中，用马来西亚关丹一家制造商生产的4%、8%和12%的特殊采石场粉尘代替了废水泥。最大抗压强度和采石场粉尘百分比通过实验确定，并在设计专家软件中进行评估。本研究测试了改性UHPC的强度、耐久性和扫描电子显微镜（SEM）外观。实验表明，用21%的采石场粉尘代替水泥效果最好。由于采石场粉尘的颗粒尺寸比其他基质的颗粒尺寸更细，这有助于减少空隙并提高UHPC的耐久性。采石场粉尘为UHPC添加了填料，粘度略有增加，在填料应用中可以更好地替代无水水泥。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Integrated Engineering ENGINEERING, MULTIDISCIPLINARY-

CiteScore

1.40

自引率

0.00%

发文量

期刊介绍： The International Journal of Integrated Engineering (IJIE) is a single blind peer reviewed journal which publishes 3 times a year since 2009. The journal is dedicated to various issues focusing on 3 different fields which are:- Civil and Environmental Engineering. Original contributions for civil and environmental engineering related practices will be publishing under this category and as the nucleus of the journal contents. The journal publishes a wide range of research and application papers which describe laboratory and numerical investigations or report on full scale projects. Electrical and Electronic Engineering. It stands as a international medium for the publication of original papers concerned with the electrical and electronic engineering. The journal aims to present to the international community important results of work in this field, whether in the form of research, development, application or design. Mechanical, Materials and Manufacturing Engineering. It is a platform for the publication and dissemination of original work which contributes to the understanding of the main disciplines underpinning the mechanical, materials and manufacturing engineering. Original contributions giving insight into engineering practices related to mechanical, materials and manufacturing engineering form the core of the journal contents.