Abstract
The dredging of harbors is an extremely necessary activity, which is associated with the problem of the disposal of the dredged material, which, even if properly disposed of, affects the environment, not to mention the logistics and disposal costs. Therefore, the present work aims at reducing the extraction of raw materials and reusing the dredging slurry by incorporating the residue into the mortar as a partial substitute for the lime binder. The substitutions were made on a mass base in the mixing ratio of 0, 10, 20, and 30%. The consistency of the mortar was determined using the flow table and checked with the ball test. The squeeze flow test was performed to determine the rheological properties of the mortar. The results were satisfactory, since the binder lime and the dredged slurry have similar granulometry, indicating adequate rheological properties of the material.
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Acknowledgements
This research was financed by the Universidade Estadual do Norte Fluminense (UENF), partially financed by CAPES (Coordination for the Improvement of Higher Education Personnel—Brazil), CNPq (National Research Coordination) and FAPERJ (Rio State Research Support Foundation). of January). The author A.R.G.A. was funded by FAPERJ through project No. E-26/210.150/2019, E-26/211.194/2021, E-26/211.293/2021, E-26/201.310/2021 and by CNPq through the research grant PQ2 307592/2021-9. This project also has support from CNPQ through process no. 424539/2021-7—Call CNPq/SEMPI/MCTI no. 021/2021—RHAE Program—Line 1—Innovative Companies and Cais Açu Lab, Research, Development and Innovation at Porto do Açu Operações S.A.
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Batista, I.D. et al. (2024). Mortar Rheology with Partial Replacement of Lime with Dredging Residue. In: Peng, Z., et al. Characterization of Minerals, Metals, and Materials 2024. TMS 2024. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-031-50304-7_53
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