Effect of steel fibre on fracture toughness of concrete

被引：7
|
作者：
Sangeetha, S. [1 ]
Sakthieswaran, N. [1 ]
Babu, O. Ganesh [1 ]
机构：
[1] Anna Univ, Dept Civil Engn, Reg Campus Tirunelveli, Tirunelveli 627007, Tamil Nadu, India
来源：
MATERIALS TODAY-PROCEEDINGS | 2021年 / 37卷
关键词：
Fracture toughness; Notch depth ratio; Steel fibre; Three-point bending test; Foundry sand;
D O I：
10.1016/j.matpr.2020.06.289
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The project focuses on fracture toughness of steel fibre reinforced concrete. M30 grade concrete is used in this project. 5%0.10%, 15%,20%, 25% and 30% of Ground Granulated Blast Furnace Slag (GGBFS) is replaced with cement. The hooked end steel fibre addition is kept constant as 3% by weight of binder content. 5%, 10%, 15%, 20%, 25%, and 30% of foundry sand is replaced with fine aggregate. Specimens of size 500 x 50 x 50 mm are used with notch of constant width 3 mm with notch depth ratios of 0.1, 0.2, 0.3, and 0.4. The fracture toughness is determined by using three-point bending test. The results are compared with the results of ordinary concrete mix. (C) 2020 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1036 / 1040
页数：5
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