使用可持续材料生产低成本自密实混凝土

IF 1.5 Q2 ENGINEERING, MULTIDISCIPLINARY
Z. K. Abbas, Ahlam A. Abbood, Raghad S. Mahmood
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引用次数: 5

摘要

摘要:本研究的主要目标是将废料转化为高细度粉末,并通过减少水泥重量,同时考虑新鲜度和强度性能,生产成本更低、更环保的自固结混凝土(SCC)。参考配合比设计采用欧洲指南。将五种废料(粘土砖、陶瓷、花岗岩砖、大理石砖和热石砖)转化为高细粒度分布,然后分别作为水泥重量的5%、10%和15%的替代品。与其他活性废陶瓷和花岗岩砖相比,使用粘土砖对强度性能的改善更为显著。当水泥重量替换量为10%时,28天抗压强度百分比提高到11.59%。鼓励生产水泥含量更少、成本消耗更低的生态scc的能力,尽管强度的增强并不高,因为废物可以一次性使用。虽然含有大理石砖或热石砌块粉的SCC混合料的强度降低百分比随着水泥重量的替换而增加,因此对高效减水剂的需求更大,但我们建议使用5%作为水泥重量的替换量,而强度的延迟并不明显。抗压强度与超声脉冲速度、抗拉强度与抗弯强度之间关系良好,r2较高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Producing low-cost self-consolidation concrete using sustainable material
Abstract The disposal of the waste material is the main goal of this investigation by transformation to high-fineness powder and producing self-consolidation concrete (SCC) with less cost and more eco-friendly by reducing the cement weight, taking into consideration the fresh and strength properties. The reference mix design was prepared by adopting the European guide. Five waste materials (clay brick, ceramic, granite tiles, marble tiles, and thermostone blocks) were converted to high-fine particle size distribution and then used as 5, 10, and 15% weight replacements of cement. The improvement in strength properties is more significant when using clay bricks compared to other activated waste ceramics and granite tiles. The percentage increases to 11.59% at 28 days for compressive strength when using 10% replacement of cement weight. The ability to produce eco-SCC with less cement content and lower cost consumption is encouraged, although the enhancement in strength is not high since the waste can be disposable. While the percentage reduction in the strength of SCC mixes containing marble tile or thermostone block powder increases with the replacement of cement weight with a greater need for superplasticizer justification, we recommend using 5% as a replacement by weight of cement with an insignificant retardation of strength. Finally, there is a good relationship between compressive strength and ultrasonic pulse velocity and between tensile and flexural strength with a high R 2.
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来源期刊
Open Engineering
Open Engineering ENGINEERING, MULTIDISCIPLINARY-
CiteScore
3.90
自引率
0.00%
发文量
52
审稿时长
30 weeks
期刊介绍: Open Engineering publishes research results of wide interest in emerging interdisciplinary and traditional engineering fields, including: electrical and computer engineering, civil and environmental engineering, mechanical and aerospace engineering, material science and engineering. The journal is designed to facilitate the exchange of innovative and interdisciplinary ideas between researchers from different countries. Open Engineering is a peer-reviewed, English language journal. Researchers from non-English speaking regions are provided with free language correction by scientists who are native speakers. Additionally, each published article is widely promoted to researchers working in the same field.
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