Fresh and hardened properties of cementitious grouts incorporating fly ash and artificial interior stone sludge

被引：0

作者：

Ali, Farman ^{[1
]}

Kim, G. M. ^{[2
,3
]}

Adem, Jemal Kedir ^{[2
,3
]}

Jung, Jongwon ^{[1
]}

Jang, Daeik ^{[4
]}

Yang, Beomjoo ^{[1
]}

机构：

[1] Chungbuk Natl Univ, Sch Civil Engn, 1 Chungdae Ro, Cheongju 28644, Chungbuk, South Korea

[2] Korea Inst Geosci & Mineral Resources KIGAM, Mineral Proc & Met Res Ctr, Resources Utilizat Div, 124 Gwahak Ro, Daejeon 34132, South Korea

[3] Univ Sci & Technol, Dept Resources Recycling, 217 Gajeong Ro, Daejeon 34113, South Korea

[4] Univ Texas Arlington, Dept Civil Engn, Arlington, TX 76019 USA

来源：

CONSTRUCTION AND BUILDING MATERIALS | 2025年 / 466卷

关键词：

Grouts; Fly ash; Artificial stone sludge; Microstructure; Mechanical properties; NATURAL POZZOLAN; CONCRETE; STRENGTH; CONNECTIONS; DURABILITY; WATER;

D O I：

10.1016/j.conbuildmat.2025.140204

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This study explored the impact of incorporating fly ash, a coal combustion by-product, and artificial interior stone (AIS) sludge, a waste product from stone manufacturing, into cement grouts. The goal was to improve grout properties by using fly ash as a binder and AIS sludge as a filler. Key parameters such as fluidity, penetration resistance, bleeding, density, compressive strength, and microstructural characteristics were assessed. The findings showed that adding fly ash and AIS sludge improved workability, setting time, and bleeding while significantly enhancing compressive strength. Microstructural analysis revealed reduced porosity, refined pore size, and improved microstructure.

引用

页数：9

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