A Cost-Effective Micro-controller Based System for EMM-ARM Tests in Cement Paste

Ribeiro, Renan Rocha; Granja, José Luís Duarte; Lameiras, Rodrigo Melo; Azenha, Miguel

doi:10.1007/978-3-031-33211-1_36

Cited by 1 publication

(1 citation statement)

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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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