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Combined Performance of Polypropylene Fibre and Weld Slag in High Performance Concrete

Combined Performance of Polypropylene Fibre and Weld Slag in High Performance Concrete The effect of polypropylene fibre and weld slag on the mechanical properties of High Performance Concrete (HPC) containing silica fume as the mineral admixtures was experimentally verified in this study. Sixteen series of HPC mixtures(70 MPa) were designed with varying fibre fractions and Weld Slag (WS). Fibre added at different proportion (0, 0.1, 0.3 and 0.6%) to the weight of cement. Weld slag was substituted to the fine aggregate (0, 10, 20 and 30%) at volume. The addition of fibre decreases the slump at 5, 9 and 14%, whereas the substitution of weld slag decreases by about 3, 11 and 21% with respect to the control mixture. Mechanical properties like compressive strength, split tensile strength, flexural strength, Ultrasonic Pulse Velocity test (UPV) and bond strength were tested. Durability studies such as Water absorption and Sorptivity test were conducted to check the absorption of water in HPC. Weld slag of 10% and fibre dosage of 0.3% in HPC, attains the maximum strength and hence this combination is most favourable for the structural applications. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of The Institution of Engineers (India): Series A Springer Journals

Combined Performance of Polypropylene Fibre and Weld Slag in High Performance Concrete

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Publisher
Springer Journals
Copyright
Copyright © 2017 by The Institution of Engineers (India)
Subject
Engineering; Civil Engineering
ISSN
2250-2149
eISSN
2250-2157
DOI
10.1007/s40030-017-0248-5
Publisher site
See Article on Publisher Site

Abstract

The effect of polypropylene fibre and weld slag on the mechanical properties of High Performance Concrete (HPC) containing silica fume as the mineral admixtures was experimentally verified in this study. Sixteen series of HPC mixtures(70 MPa) were designed with varying fibre fractions and Weld Slag (WS). Fibre added at different proportion (0, 0.1, 0.3 and 0.6%) to the weight of cement. Weld slag was substituted to the fine aggregate (0, 10, 20 and 30%) at volume. The addition of fibre decreases the slump at 5, 9 and 14%, whereas the substitution of weld slag decreases by about 3, 11 and 21% with respect to the control mixture. Mechanical properties like compressive strength, split tensile strength, flexural strength, Ultrasonic Pulse Velocity test (UPV) and bond strength were tested. Durability studies such as Water absorption and Sorptivity test were conducted to check the absorption of water in HPC. Weld slag of 10% and fibre dosage of 0.3% in HPC, attains the maximum strength and hence this combination is most favourable for the structural applications.

Journal

Journal of The Institution of Engineers (India): Series A – Springer Journals

Published: Nov 2, 2017

References

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    Aydın, S; Baradan, B
  • Submerged-arc welding slags: characterization and leaching strategies for the removal of aluminium and titanium
    Annoni, R
  • Slag recycling in submerged arc welding and its influence on chemistry of weld metal
    Singh, K; Sahni, V; Pandey, S
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    Tanyildizi, Harun
  • Effect of polypropylene fibre on durability of concrete composite containing fly ash and silica fume
    Zhang, P; Li, Q-F
  • The use of submerged-arc welding flux slag as raw material for the fabrication of multiple-use mortars and bricks
    Viana
  • Use of furnace slag and welding slag as replacement for sand in concrete
    Ramesh
  • Performance of polypropylene fibre in high-performance concrete
    Ananthi, A; Karthikeyan, J
  • Bond stress slip response of bars embedded in hybrid fibre reinforced high performance concrete
    Ganesan, N; Indira, PV; Sabeena, MV