Shear and impact strength of waste plastic fibre reinforced concrete

被引：19
|
作者：
Karanth, Savithri S. [1 ]
Ghorpade, Vaishali G. [2 ]
Rao, H. Sudarsana [3 ]
机构：
[1] Global Acad Technol, Dept Civil Engn, Bangalore, Karnataka, India
[2] JNTU Coll Engn Anantapuram, Dept Civil Engn, Anantapuram, Andhra Prades, India
[3] JNTUA, Anantapuram, Andhra Prades, India
来源：
ADVANCES IN CONCRETE CONSTRUCTION | 2017年 / 5卷 / 02期
关键词：
concrete; waste plastic fibres; aspect ratio; volume fraction; plates; L shaped specimens; shear strength; impact strength; drop ball method;
D O I：
10.12989/acc.2017.5.2.173
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper is aimed at determining the shear and impact strength of waste plastic fibre reinforced concrete. M30 grade of concrete is prepared with waste plastic door fibres cut into 5 mm width and aspect ratios of 30, 50, 70, 90 and 110. Fibres are used in a volume fraction of 0 to 1.5% with an increment of 0.25%. L shaped specimens are cast for shear strength tests and flat plates of size 250x250x30 mm are used for impact tests. "Drop ball method" is used for checking the impact strength. Shear strength is checked with L shaped specimens under UTM with a special attachment. It was found that up to 1.25% of waste plastic fibres can be effectively used for better strength of concrete both in shear and impact. Shear and impact strength were found to be increasing up to a volume fraction of fibres of 1.25%.
引用
收藏
页码：173 / 182
页数：10
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