Experimental Study on Fresh and Mechanical Properties of Crimpled Steel Fibers in Self-compacting Concrete

Year : 2023 | Volume : 11 | Issue : 01 | Page : 65-75

    Bypaneni Krishna Chaitanya

  1. Assistant Professor, R.V.R & J.C College of Engineering (A), Department of Civil Engineering, Andhra Pradesh, India


The flow and strength characteristics of fiber-reinforced self-compacting concrete (SCC) with different aspect (l/d) ratios of fibers are recommended to be studied. After achieving a satisfactory SCC mix, crimped steel fibers with l/d ratio 30 are designated as CSF30; with l/d ratio 40 are designated as CSF40, with l/d ratio 50 is designated as CSF50 and with l/d ratio 62.5 is designated as CSF62.5 fibers are added at a fixed percentage of 2% by weight of cement. In this study diameter of fibers, 0.4 mm is constant, but lengths are varying as 12 mm, 16 mm, 20 mm, and 25 mm were added, and prepared different SCC-CSF mixes. Except for the blocking ratio, all other flow properties are within limits, when the aspect ratio of fibers is varied from 30 to 62.5. The up to l/d =50 blocking ratio is also within limits. If l/d =62.5, the SCC-CSF mix is failing in the blocking ratio test. There is a marginal increase in compressive strength and a considerable increase in split tensile strength and modulus of rupture by adding different l/d ratios of fibers.

Keywords: Self-compacting concrete, Crimpled steel fibers, Mechanical properties, Non-destructive properties, and Statistical analysis

This article belongs to Special Issue Conference International Conference on Innovative, Sustainable Materials and Technologies (ICISMT-2022)

How to cite this article: Bypaneni Krishna Chaitanya Experimental Study on Fresh and Mechanical Properties of Crimpled Steel Fibers in Self-compacting Concrete jopc 2023; 11:65-75
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Conference Open Access Original Research
Volume 11
Issue 01
Received December 21, 2022
Accepted May 10, 2023
Published June 19, 2023