Open-Source EMM-ARM Implementation for Mortars Based on Single-Board Computer

Russo, Thomas; Azenha, Miguel; Granja, José Luís Duarte

doi:10.1007/978-3-031-33211-1_34

Cited by 2 publications

(3 citation statements)

References 10 publications

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“…To promote the dissemination of the proposed system, the system design and codes will be made available on the GitHub platform through the link available in [17], and it is freely available for anyone to use according to the MIT License. This will allow other interested parties in academia or in industry to benefit from this work.…”

Section: Discussionmentioning

confidence: 99%

“…The adoption of open-source development methods brings many advantages, such as increased collaboration among developers and researchers; the rapid development and encouragement of creativity and innovative solutions [15]; the elimination of costly proprietary software licenses; greater customization and scalability to tailor the system to their specific needs [16], which is reinforced by the use of cost-effective electronic components; and, lastly, the promotion of transparency and accountability, as the source code and other resources are openly available for review and inspection, thus fostering trust and confidence in the development process. In this vision, the totality of the design documentation together with the codes used in this work will be publicly shared on the platform GitHub through the link available in [17], after the publication of this article.…”

Section: Introductionmentioning

confidence: 99%

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Continuous Monitoring of Elastic Modulus of Mortars Using a Single-Board Computer and Cost-Effective Components

et al. 2023

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The Elastic Modulus Measurement through Ambient Response Method (EMM-ARM) is designed to continuously monitor the elastic modulus of hardening construction materials such as concrete, cement paste, mortars, stabilized soils, and epoxy resin. In practice, a composite beam, made of the tested material in its mould, is induced to vibration by means of environmental or controlled excitation, and its resonant frequency is identified. The material’s elastic modulus can then be calculated based on the vibration equation of structural systems. The traditional system to conduct EMM-ARM experiments is based on specialized equipment and on proprietary licensed software, which results in a considerable cost, as well as limited options for customization. The paper hereby presented proposes a delve into the development and validation of a cost-effective and open-source system that is able to conduct EMM-ARM experiments. By using a Raspberry Pi for the computing device and cost-effective electronic components, the cost of the system was one-twentieth of the traditional one, without compromising the measurement reliability. The composite beam’s excitation is generated, while the vibration response is recorded by the proposed system simultaneously, since the Raspberry Pi supports multiprocessing programming techniques. The flexibility earned by the exclusive use of open-source and cost-effective resources creates countless application possibilities for the proposed system.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Continuous Monitoring of Elastic Modulus of Mortars Using a Single-Board Computer and Cost-Effective Components

et al. 2023

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“…The most recent studies combined the results of EMM-ARM and H-Nuclear Magnetic Resonance with numerical modeling to associate Young's modulus with C-S-H evolution in cement pastes [31]. Finally, other studies by Azenha and his research team were focused on developing a cost-effective and open-source test system to perform EMM-ARM tests, reducing the costs of the experimental equipment and the complexity of the elaboration procedure associated with the original system [32][33][34]. These studies have not been added to Table 1 because no experimental tests were carried out.…”

Section: Emm-arm In the Literaturementioning

confidence: 99%

Experimental Study about the Influence of Storage Conditions of Bulk Cement on the Early-Age Stiffness Evolution of Cementitious Pastes

Cieri,

Cassese,

Fabbrocino

et al. 2023

Applied Sciences

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The effects of uncontrolled storage and curing temperature on the early-age mechanical behavior of cement are under-investigated issues, and the few available studies in the literature analyze their influence mainly from a chemical-physical point of view. The present study, on the contrary, aims at studying the effects of temperature and, above all, cement prehydration due to uncontrolled storage from a phenomenological perspective through the application of the EMM-ARM method. In particular, the influence of those factors on the early-age evolution of the Young’s modulus of cement pastes produced from Portland as well as pozzolanic cement is experimentally assessed. The obtained results confirm the possibility of exploiting the EMM-ARM method to characterize those effects on a phenomenological basis, sorting back to the comparison of the curves of prehydrated cement with reference ones in controlled storage conditions. As a result, the methodology shows promising applicative perspectives for acceptance checks of the materials before use.

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Open-Source EMM-ARM Implementation for Mortars Based on Single-Board Computer

Cited by 2 publications

References 10 publications

Continuous Monitoring of Elastic Modulus of Mortars Using a Single-Board Computer and Cost-Effective Components

Continuous Monitoring of Elastic Modulus of Mortars Using a Single-Board Computer and Cost-Effective Components

Experimental Study about the Influence of Storage Conditions of Bulk Cement on the Early-Age Stiffness Evolution of Cementitious Pastes

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