[1]苏 骏,肖 沭. 掺钢渣粉超高韧性水泥基材料拉伸性能研究[J].湖北工业大学学报,2021,(4):64-68.
　SU Jun,XIAO Shu. Study on Tensile Properties of PVA Fiber Reinforced Cementitious Composites Containing Steel Slag Powder[J].,2021,(4):64-68.
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 掺钢渣粉超高韧性水泥基材料拉伸性能研究()
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《湖北工业大学学报》[ISSN:1003-4684/CN:42-1752/Z]

卷:
期数:
2021年第4期
页码:
64-68
栏目:
湖北工业大学学报
出版日期:
2021-08-26

文章信息/Info

Title:
 Study on Tensile Properties of PVA Fiber Reinforced Cementitious Composites Containing Steel Slag Powder
文章编号:
1003-4684(2021)04-0064-05
作者:
 苏 骏;  肖 沭
 湖北工业大学土木建筑与环境学院， 湖北 武汉 430068
Author(s):
 SU Jun;  XIAO Shu
 School of Civil Engin.,Architecture and Environment,Hubei Univ.of Tech.,Wuhan 430068,China
关键词:
 ; 钢渣粉;  聚乙烯醇纤维;  水泥基复合材料;  拉伸性能
Keywords:
 ; steel slag powder;  polyvinyl alcohol fiber;  cementitious composites;  tensile property
分类号:
TU528
文献标志码:
A
摘要:
 从固废利用和材料高性能化出发，通过掺加钢渣粉来制备超高韧性水泥基复合材料。考虑了水胶比（0.25、0.35）、钢渣粉（0、20%、40%、60%、80%）两个因素，采用立方体抗压试验和直接拉伸试验探究掺钢渣粉的PVA纤维增强水泥基复合材料基本力学性能。结果表明：利用钢渣制备超韧性水泥基复合材料是可行，钢渣粉掺量不超过60%时，掺钢渣PVA纤维增强水泥基复合材料能满足一般工程对抗压强度的需求；钢渣粉的掺入使水泥基复合材料表现出明显的应变硬化特点，拉伸极限应变得到了极大的提升。
Abstract:
 In order to improve the utilization rate of waste and improve the performance of materials， steel slag powder was used to the preparation of ultra high toughness cementitious composites. On the basis of the typical mix ratio of ultra high toughness cementitious composites, the water-binder ratio (0.25, 0.35) commonly used in two groups of projects was selected, and steel slag powder (0、20%、40%、60%、80%) with different content was added by gradient. The basic mechanical properties and crack control ability of high toughness cementitious composites with steel slag powder were studied by compressive strength test and direct tensile test. The results show that it is feasible to use steel slag to prepare ultra high toughness cementitious composites. When the content of steel slag powder is less than 60%, PVA fiber reinforced cementitious composites with steel slag can meet the requirements of general engineering compressive strength. With the addition of steel slag powder, the cementitious composites showed obvious strain-hardening characteristics, and the ultimate tensile strain was greatly improved.

参考文献/References:

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备注/Memo

备注/Memo:
［收稿日期］ 2020-12-09
［第一作者］ 苏 骏(1971-)， 男， 湖北武汉人，湖北工业大学教授，研究方向为混凝土结构计算理论，纤维混凝土结构，工程结构抗震与加固技术
［通信作者］ 肖 沭(1994-)， 男， 湖北黄冈人，湖北工业大学硕士研究生，研究方向为超高韧性纤维水泥基复合材料
更新日期/Last Update: 2021-08-27