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Open Access

ISSN 2689-5846

© 2022 by the authors; CC BY 4.0 licence

Recent Progress in Materials , Volume 4 , Issue 3 (2022)

Pages: 93

Published: October 2022

(This book is a printed edition that was published in  Recent Progress in Materials)

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Cover Story:Stable levitation of systems consisting of a magnetic source and a superconductor is actively investigated due to the promising applications of this technology for transportation and magnetic bearings. In this contribution, we present a simple analytical model reproducing the interactions between a magnetic source and a superconductor.View this paper

Volume 4,Issue 3

Open Access Research Article

Calculation of the Forces Applied to a Superconductor in Levitation in an Inhomogeneous Magnetic Field

Received: 07 July 2022;  Published: 15 September 2022;  doi: 10.21926/rpm.2203018

Abstract

Stable levitation of systems consisting of a magnetic source and a superconductor is actively investigated due to the promising applications of this technology. While huge efforts have been made for modeling these setups with numerical simulations, analytical models, in spite of their use being limited to devices with a high degree of symmetry, can bring precious information on certain characteristics of levitating systems. Summarizing our previous work in the field, we present the m [...]

Open Access Original Research

Influence of Recycled Concrete Aggregate Type on Rheological Behaviour of Mixtures Proportioned Using the Equivalent Volume Method

Received: 11 July 2022;  Published: 07 September 2022;  doi: 10.21926/rpm.2203017

Abstract

The ever-growing urgency to combat climate change has led the civil construction industry to develop and adopt sustainable construction materials and methods. The so-called recycled concrete aggregate (RCA) emerges as an alternative to decrease the carbon footprint of new concrete construction, the disposal of waste concrete, and the use of non-renewable natural resources such as cement and aggregates. RCA can be produced from crushing waste concrete; yet challenges remain when using RCA in conc [...]

Open Access Interview

An Interview with Prof. José Ignacio Álvarez Galindo

Received: 29 August 2022;  Published: 30 August 2022;  doi: 10.21926/rpm.2203016

Abstract

Interview An Interview with Prof. José Ignacio Álvarez GalindoRecent Progress in Materials Editorial OfficeLIDSEN Publishing Inc., 2000 Auburn Drive, One Chagrin Highlands, Suite 200, Beachwood, OH, USA; E-Mail: rpm@lidsen.com

Open Access Original Research

Indoor Built Environments Attended by Primary School Children and Its Microbiology: A Cross-Project Study

Received: 10 March 2022;  Published: 24 August 2022;  doi: 10.21926/rpm.2203015

Abstract

Exposure to indoor pollutants may exert a significant effect on children health as they spend most of their time in enclosed environments. This research compared the association of biological concentrations with indoor characteristics and building materials in places where children spend significant time indoors. It was compared the results of two autonomous research projects conducted in Porto primary schools and households. Both the projects included a walkthrough inspection and biological mea [...]

Open Access Case Report

A Case Study on the Impact of Transportation of Mass Timber Products on the Cradle-to-Gate LCA Results for an Institutional Building

Received: 21 April 2022;  Published: 05 August 2022;  doi: 10.21926/rpm.2203014

Abstract

Mass timber products (MTPs) are being adopted in new building constructions and remodels in the last three decades, credited to their renewable and low carbon footprint characteristics. However, there are no mass timber manufacturers currently existing in Atlantic Canada. Extended distances of transporting MTPs to this region from other Canadian provinces may sacrifice the environmental benefits of using MTPs. This study was aimed to understand, via conducting a cradle-to-gate life cycle assessm [...]

Open Access Research Article

Effects of Chemical Stabilisation of Eggshells-Lime and Fly-Ash-Cement on the Structural Strength of Subgrade Soil in Rural Roads

Received: 15 May 2022;  Published: 04 August 2022;  doi: 10.21926/rpm.2203013

Abstract

This study examines the chemical compositions of eggshell powder (ESP) and lime as the soil stabilisers and compared with the compositions of cement and fly-ash to understand the optimal distribution of chemical stabilisers maximising the bearing capacity and structural integrity of subgrade soil. The different proportions of eggshell powder (ESP) (2%, 4%, 6% and 8% of total soil mass) were mixed with a fixed proportion of lime (6% of total soil mass) to analyse the optimum proportion of eggshel [...]
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