The Effect of Aspect Ratio of Steel Fibers on the Tensile Behavior of Standard Concrete (M30)

The IUP Journal of Structural Engineering, Vol. XII, No. 2, April 2019, pp. 56-72

Posted: 16 Jan 2020

See all articles by V Kesava Raju

V Kesava Raju

Sri Vishnu Engineering College for Women (Autonomous)

K. Srinivasa Rao

Andhra University

Date Written: April 9, 2019

Abstract

The paper makes an experimental investigation on standard concrete of M30 grade with the addition of steel fibers having different aspect ratios. The fibers were hookend type with aspect ratios of 40, 50 and 60. The percentages of steel fibers by weight of cement were 1%, 2%, 3% and 4%. M30 grade of concrete was designed using IS: 10262 (2009) having mixed proportions of 1:1.82:3.35:0.45. The test specimens were cured for 1, 3, 7 and 28 days. The cylinders were tested on 200 t compression testing machine and the beams were tested on 100 t universal testing machine. The results showed that the split tensile strength and flexural strength of standard concrete M30 by addition of steel fibers with an aspect ratio of 50 gave better results compared to 40 and 60 aspect ratios.

Suggested Citation

Raju, V Kesava and Srinivasa Rao, K., The Effect of Aspect Ratio of Steel Fibers on the Tensile Behavior of Standard Concrete (M30) (April 9, 2019). The IUP Journal of Structural Engineering, Vol. XII, No. 2, April 2019, pp. 56-72, Available at SSRN: https://ssrn.com/abstract=3516620

V Kesava Raju (Contact Author)

Sri Vishnu Engineering College for Women (Autonomous) ( email )

Vishnupur, Bhimavaram 534 202
West Godavari District
Andhra Pradesh
India

K. Srinivasa Rao

Andhra University ( email )

Visakhapatnam
India

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