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Research Article

Prediction of chloride ingress for palm kernel shell concrete

Samson Olalekan Odeyemi1, Omolola Titilayo Odeyemi2, Adewale George Adeniyi3, Zainab Tolu Giwa1, Ademola Kamorudeen Salami1, Adeyemi Adesina4

1Department of Civil & Environmental Engineering, Kwara State University Malete, Nigeria

2Department of Science Laboratory Technology, Kwara State Polytechnic, Ilorin, Nigeria

3Department of Chemical Engineering, University of Ilorin, Ilorin, Nigeria

4Department of Civil Engineering, University of Windsor, Canada

Keywords

Abstract



Palm Kernel Shell;

 Chloride ingress; 

Concrete; 

 Coarse aggregate;

 Corrosion;

 Chloride




Steel reinforcement corrosion emanating from ingress of chloride into concrete is the key reason for weakening of concrete structures globally. Infiltration of chloride into concrete happens by absorption and diffusion. On the other hand, reinforced concrete containing supplementary materials is more susceptible to corrosion exposure due to its high permeability. In this paper, two concentrations of sodium chloride (NaCl) were applied on concrete containing palm kernel shell as full replacement to granite. Concrete cube specimens of Grade 20 were cast into 150 mm by 150 mm by 150 mm moulds, and their workability were determined by compacting factor and slump tests. The hardened specimens were soaked in sodium chloride (NaCl) solution of 3% and 6% concentration. Spray, Absorption and Compressive strength tests were conducted at 7, 14, 21 and 28 days. Equations were generated by means of the data gotten from the laboratory tests to forecast the chloride penetration depth into the palm kernel shell concrete under the conditions considered in this work. The models generated revealed that absorption affected chloride ingress into the concrete significantly at 6% NaCl concentration. The models also reveal that the cover to reinforcements in Palm Kernel Shell Concrete subjected to chloride attack should be more than what is presently endorsed for reinforced concrete structures.

© 2021 MIM Research Group. All rights reserved.

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09/03/2022 Outstanding Reviewer Award: The reviewers are the anonymous heroes of the publishing society. Reviewing manuscripts is not an easy task but it is critical to the advancement of scientific knowledge. Even if authors take credit for publishing papers, the recognition of the reviewers are highly limited for their work. Therefore, our journal announces the reviewers that participated in editorial processes of the submitted articles in a yearly basis. Now, we expand our efforts to appreciate the valuable contribution of our reviewers and start to give Outstanding Reviewer Awards.


More info can be found at Reviewer Awards section. 


29/12/2021 Best Paper Award: According to the Advisory Board decision, the paper authored by Sahar Ismail, Wassim Raphael, Emmanuel Durand entitled as “Case study of the Beirut port explosion using 3D laser scan and nonlinear finite element model” is awarded the 2021 Best Paper Award of Research on Engineering Structures and Materials (RESM). We congratulate the authors and wish them a continued success.  



29/12/2021 Most Cited Paper Award: According to the Editorial Board evaluation, the paper authored by Sinan Kutluay, Orhan Baytar, Ömer Şahin entitled as “Adsorption kinetics, equilibrium and thermodynamics
of gas-phase toluene onto char produced from almond shells" is awarded the 2021 Most Cited Paper Award of Research on Engineering Structures and Materials (RESM). We congratulate the authors and wish them a continued success.


(More details of the news may be given in the News section)


For more see News...

LATEST AWARDS


2021 Best Paper Award:

The paper authored by Sahar Ismail, Wassim Raphael, Emmanuel Durand entitled as “Case study of the Beirut port explosion using 3D laser scan and nonlinear finite element model” is awarded the 



2021 Most Cited Paper Award:

The paper authored by Sinan Kutluay, Orhan Baytar, Ömer Şahin entitled as “Adsorption kinetics, equilibrium and thermodynamics of gas-phase toluene onto char produced from almond shells" is awarded the


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Last Update:

28.09.2022

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