Effect of Steel Fibers on Compressive Strength of Recycled Aggregate Concrete
In this research article effect of steel fibers on workability and compressive strength of recycled aggregate concrete is presented. Recycled aggregates from demolished waste were used in equal proportion with conventional aggregates. Steel fibers of 1 mm diameter and 25 mm length were used. For pre...
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Published in | Journal of Applied Engineering Sciences Vol. 13; no. 1; pp. 123 - 130 |
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Main Authors | , , , , |
Format | Journal Article |
Language | English |
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Abstract | In this research article effect of steel fibers on workability and compressive strength of recycled aggregate concrete is presented. Recycled aggregates from demolished waste were used in equal proportion with conventional aggregates. Steel fibers of 1 mm diameter and 25 mm length were used. For preparation of concrete 1:2:4 mix with 0.55 water-cement ratio was used. Workability of each mix was checked by slump cone test. Total of 40 samples were prepared in standard way and cured for 28 days. All the specimens were tested for maximum load in universal testing machine under gradually increasing load at the rate of 0.5 kN/sec. Recorded load was converted into compressive strength. The obtained results showed that slump of the concrete decreased with increase in the dosage of the steel fibers than conventional concrete. Compressive strength was observed 15% and 34% higher than the compressive strength of conventional and recycled aggregate concrete at the steel fiber dosage of 3%. It is evident that although addition of recycled aggregates in concrete reduces the compressive strength but binary blending with steel fibers not only overcomes this loss but shows strength gain with increase in the dosage of the fibers. |
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AbstractList | Abstract In this research article effect of steel fibers on workability and compressive strength of recycled aggregate concrete is presented. Recycled aggregates from demolished waste were used in equal proportion with conventional aggregates. Steel fibers of 1 mm diameter and 25 mm length were used. For preparation of concrete 1:2:4 mix with 0.55 water-cement ratio was used. Workability of each mix was checked by slump cone test. Total of 40 samples were prepared in standard way and cured for 28 days. All the specimens were tested for maximum load in universal testing machine under gradually increasing load at the rate of 0.5 kN/sec. Recorded load was converted into compressive strength. The obtained results showed that slump of the concrete decreased with increase in the dosage of the steel fibers than conventional concrete. Compressive strength was observed 15% and 34% higher than the compressive strength of conventional and recycled aggregate concrete at the steel fiber dosage of 3%. It is evident that although addition of recycled aggregates in concrete reduces the compressive strength but binary blending with steel fibers not only overcomes this loss but shows strength gain with increase in the dosage of the fibers. In this research article effect of steel fibers on workability and compressive strength of recycled aggregate concrete is presented. Recycled aggregates from demolished waste were used in equal proportion with conventional aggregates. Steel fibers of 1 mm diameter and 25 mm length were used. For preparation of concrete 1:2:4 mix with 0.55 water-cement ratio was used. Workability of each mix was checked by slump cone test. Total of 40 samples were prepared in standard way and cured for 28 days. All the specimens were tested for maximum load in universal testing machine under gradually increasing load at the rate of 0.5 kN/sec. Recorded load was converted into compressive strength. The obtained results showed that slump of the concrete decreased with increase in the dosage of the steel fibers than conventional concrete. Compressive strength was observed 15% and 34% higher than the compressive strength of conventional and recycled aggregate concrete at the steel fiber dosage of 3%. It is evident that although addition of recycled aggregates in concrete reduces the compressive strength but binary blending with steel fibers not only overcomes this loss but shows strength gain with increase in the dosage of the fibers. |
Author | Memon, B. A Memon, M. A Memon, A. H Shaikh, Iram Oad, M. |
Author_xml | – sequence: 1 givenname: Iram surname: Shaikh fullname: Shaikh, Iram email: irumshaikh773@gmail.com organization: Civil Engineering Department QUEST, Nawabshah, Sindh, Pakistan – sequence: 2 givenname: B. A surname: Memon fullname: Memon, B. A email: bashir_m@hotmail.com organization: Civil Engineering Department QUEST, Nawabshah, Sindh, Pakistan – sequence: 3 givenname: M. A surname: Memon fullname: Memon, M. A email: engr.muneebmemon@gmail.com organization: Civil Engineering Department QUEST, Nawabshah, Sindh, Pakistan – sequence: 4 givenname: M. surname: Oad fullname: Oad, M. email: engrmahbooboad@quest.edu.pk organization: Civil Engineering Department QUEST, Nawabshah, Sindh, Pakistan – sequence: 5 givenname: A. H surname: Memon fullname: Memon, A. H email: aftabm78@hotmail.com organization: Civil Engineering Department QUEST, Nawabshah, Sindh, Pakistan |
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Cites_doi | 10.4028/www.scientific.net/AMR.1166.81 10.1016/j.conbuildmat.2022.127579 10.1016/j.jclepro.2015.10.041 10.3390/ma14247497 10.17515/resm2021.339st0912 10.1016/j.conbuildmat.2014.08.012 10.1016/j.resconrec.2018.02.005 10.25130/tjes.26.3.05 10.1080/21650373.2016.1230900 10.22581/muet1982.2004.17 10.1016/j.conbuildmat.2017.02.136 10.24425/ace.2020.134421 10.1061/(ASCE)MT.1943-5533.0001247 10.1088/1757-899X/431/10/102003 10.1007/s40999-021-00656-2 |
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SubjectTerms | Demolished Waste Fiber Reinforced Recycled Aggregate Concrete Recycled Coarse Aggregates Steel Fibers |
Title | Effect of Steel Fibers on Compressive Strength of Recycled Aggregate Concrete |
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