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American Journal of Applied Mathematics

Archive

2024, Volume 12
1. Issue 2, Apr.
2. Issue 1, Feb.
2023, Volume 11
2022, Volume 10
2021, Volume 9
2020, Volume 8
2019, Volume 7
2018, Volume 6
2017, Volume 5
2016, Volume 4
2015, Volume 3
2014, Volume 2
2013, Volume 1

Volume 11, Issue 2, April 2023

Multi-Objective Optimization Model for Thermal-Mechanical Treatment of Recycled Concrete Aggregate

Nam-Il Kim, Un-song Pak, Kyong-Chol Kim

Issue: Volume 11, Issue 2, April 2023

Pages: 17-22

Received: 7 April 2023

Accepted: 15 May 2023

Published: 5 June 2023

DOI: 10.11648/j.ajam.20231102.11

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Abstract: Efficient use of recycled concrete aggregates (RCA) produced using construction and demolition (C&D) waste can help solve many of the problems, such as reducing the consumption of huge amounts of natural aggregate and the generation of construction waste. Thermal-mechanical treatment is becoming a convenient method for recycling old concrete, but r... Show More

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Optimal Control of COVID-19: Examining the Incidence of Contamination and Its Recurrence in Nigeria

Emmanuel Nwaeze, Sunday Nwokpoku Aloke, Louis Omenyi, Michael Uchenna

Issue: Volume 11, Issue 2, April 2023

Pages: 23-31

Received: 13 April 2023

Accepted: 27 April 2023

Published: 5 June 2023

DOI: 10.11648/j.ajam.20231102.12

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Abstract: COVID-19 is an epidemic virus infection that is ravaging the world today. There are no pre-existing immunity and People were easily infected by this virus known as severe acute respiratory syndrome coronavirus (SARS-CoV-2) which caused Covid-19 (CDC, 2020). According to available data, the COVID-19 virus transmits most easily amongst people who are... Show More

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