2019
DOI: 10.1016/j.jcis.2018.12.082
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Hybrid nano-composites for the consolidation of earthen masonry

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Cited by 38 publications
(13 citation statements)
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“…A particular case is represented by the earth (unfired) masonry materials (such as earth-blocks-cob, adobe, mud-bricks or mud mortars). In those cases, considering the limited viability of the materials, the best approach is their replacement/grouting with materials as similar as possible, or, at least, compatible [123,124].…”
Section: Consolidation and Protection Agentsmentioning
confidence: 99%
“…A particular case is represented by the earth (unfired) masonry materials (such as earth-blocks-cob, adobe, mud-bricks or mud mortars). In those cases, considering the limited viability of the materials, the best approach is their replacement/grouting with materials as similar as possible, or, at least, compatible [123,124].…”
Section: Consolidation and Protection Agentsmentioning
confidence: 99%
“…One of the most promising development is based on the use of calcium hydroxide and silica nanoparticles stably dispersed in a hydro-alcoholic mixture in the presence of a cellulose ether [ 73 ]. The reaction between hydroxide and silica nanoparticles allows the formation of calcium silicate hydrate (CSH), as it commonly happens during the settling of Portland cement, providing consolidation to crumbling adobe, which then shows enhanced resistance to peeling, abrasion, and wet-dry cycles.…”
Section: Advanced Materials For Consolidationmentioning
confidence: 99%
“…An approach has been recently proposed to consolidate adobe bricks, one of the most common earthen building materials: mimicking the settling of Portland cement, Ca(OH) 2 and silica nanoparticles have been mixed in a composite formulation along with a cellulose ether, and applied to crumbling adobe; the hydroxide and silica react together forming calcium silicate hydrate (CSH), which consolidates the powdering earth substrate against peeling, abrasion and wet‐dry cycles (Figure 2). [23] Nanoparticles enhance the formation of CSH due to the large surface to volume ratio and the extended total surface of particles per unit of material. With the possibility of using the colloidal blend also as an additive in adobe formulations, this update might open new scenarios for sustainable construction, alternative to cement, in underdeveloped countries.…”
Section: Consolidation and Protection Of Work Of Artmentioning
confidence: 99%
“…The untreated brick lost significant portions, whereas the treated brick stood the accelerated aging without relevant significant damage. Reproduced with permission from ref [23]…”
mentioning
confidence: 99%