Physical & mechanical properties of fiber reinforced metakaolin-based geopolymer concrete

被引：79
|
作者：
Moradikhou, Amir Bahador [1 ]
Esparham, Alireza [1 ]
Avanaki, Mohammad Jamshidi [2 ]
机构：
[1] Islamic Azad Univ, Sci & Res Branch, Young Researchers & Elites Club, Tehran, Iran
[2] Univ Tehran, Coll Engn, Sch Civil Engn, Tehran 141556457, Iran
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2020年 / 251卷
关键词：
Geopolymer; Fiber reinforced Geopolymer Concrete; Polypropylene; Polyolefin; Mechanical strengths; Elevated temperatures; FLY-ASH; DURABILITY CHARACTERISTICS; FLEXURAL PERFORMANCE; STRENGTH; STEEL; SLAG; BEHAVIOR; FEASIBILITY; PARAMETERS; ADDITIVES;
D O I：
10.1016/j.conbuildmat.2020.118965
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Research on fiber reinforced Geopolymer Concrete (GPC), as a novel type of GPC with enhanced ductility characteristics has gained interest. In this paper, mechanical and physical properties of GPC reinforced with different fiber types (Polypropylene or PP, 2-part PP, 4-part polyolefin) and volume content (0.15, 0.2 and 0.25%) is investigated. Initially, an experimental campaign on the various effective parameters of metakaolin-based GPC is performed to find the optimal mix design. The results displayed the beneficial influence of fibers in improving compressive, tensile and flexural strengths, reduction of specific density and water absorption, and negligible effect on resistance to elevated temperatures. (C) 2020 Elsevier Ltd. All rights reserved.
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页数：12
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