| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Faria, Paulina
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (47/47 displayed)
- 2024Innovative MOS-based fiber cement boardscitations
- 2024A feasible re-use of an agro-industrial by-productcitations
- 2024Can mussel shell waste optimize cement and air lime mortars hygrothermal performance?
- 2024A feasible re-use of an agro-industrial by-product ; Hazelnut shells as high-mass bio-aggregate in boards for indoor applicationscitations
- 2024Effect of Cow Dung Additions on Tropical and Mediterranean Earth Mortars-Mechanical Performance and Water Resistancecitations
- 2023Assessment of the physical-mechanical performance of magnesium oxide-based fiber cement submitted toaccelerated carbonation
- 2023New Trends on Bio-cementation and Self-healing Testingcitations
- 2023Effectiveness of alkaline and hydrothermal treatments on cellulosic fibers extracted from the Moroccan Pennisetum Alopecuroides plantcitations
- 2023Assessment of the physical-mechanical performance of magnesium-based fiber cement submitted to accelerated carbonation
- 2023Influence of Natural Sand Replacement by Mineral Wastes on Earth and Air Lime Plastering Mortars, and Professionals Training
- 2021Use of Mixed Microbial Cultures to Protect Recycled Concrete Surfaces: A Preliminary Studycitations
- 2021Characterization of agro-wastes to be used as aggregates for eco-efficient insulation boards
- 2021Use of mixed microbial cultures to protect recycled concrete surfaces ; A preliminary studycitations
- 2021Assessment of durability of biobased earth compositescitations
- 2021Effect of innovative bioproducts on air lime mortarscitations
- 2020Characterization of earthen plasters – Influence of formulation and experimental methods
- 2020Natural hydraulic lime mortars - The effect of ceramic residues on physical and mechanical behaviourcitations
- 2020Avaliação do envelhecimento natural e de tratamentos superficiais ecológicos em rebocos de terracitations
- 2020Assessment on tungsten mining residues potential as partial cement replacementcitations
- 2020Assessment on tungsten mining residues potential as partial cement replacementcitations
- 2020Biodegradable polymers on cementitious materialscitations
- 2019Experimental assessment of bio-based earth bricks durabilitycitations
- 2019It’s what’s inside that counts ; an assessment method to measure the residual strength of anobiids infested timber using micro-computed tomography
- 2019Rice husk-earth based composites: A novel bio-based panel for buildings refurbishmentcitations
- 2019The compatibility of earth-based repair mortars with rammed earth substratescitations
- 2019It’s what’s inside that counts
- 2018Earth-based mortars for repair and protection of rammed earth walls. Stabilization with mineral binders and fiberscitations
- 2018Eco-friendly healing agents for recycled concrete
- 2017New composite of natural hydraulic lime mortar with graphene oxidecitations
- 2016Assessment of photocatalytic capacity of a hydraulic mortar
- 2016Anomaly diagnosis in ceramic claddings by thermography - A review
- 2016Improving building technologies with a sustainable strategycitations
- 2015Characterization tests for insulation boards made from corn cob and natural glues
- 2015Natural hydraulic lime (nhl3.5) mortars with scrap tire rubber ; СУХИЕ СТРОИТЕЛЬНЫЕ СМЕСИ НА ОСНОВЕ ПРИРОДНОЙ ГИДРАВЛИЧЕСКОЙ ИЗВЕСТИ (NHL 3.5) С ДОБАВКОЙ РЕЗИНОВОЙ КРОШКИ, ПОЛУЧЕННОЙ ИЗ ОТРАБОТАННЫХ ПОКРЫШЕК (in Russian)
- 2015NHL 3.5 mortars with scrap tire rubber
- 2015NHL 3.5 MORTARS WITH SCRAP TIRE RUBBER
- 2015Natural hydraulic lime (NHL3.5) mortars with scrap tire rubber
- 2015Characterization of earth-based mortars for rammed earth repair
- 2014Air lime-earth blended mortars - Assessment on fresh state and workability
- 2013Natural hydraulic lime mortars: influence of the aggregates
- 2013Evaluation of air lime and clayish earth mortars for earthen wall renders
- 2013Performance assessment of waste fibre-reinforced mortar
- 2013The compatibility of earth-based repair mortars with rammed earth substrates
- 2013Cement-cork mortars for thermal bridges correction. Comparison with cement-EPS mortars performancecitations
- 2012Earth-based repair mortars: Experimental analysis with different binders and natural fibers
- 2012Textile waste fiber-reinforced mortar: performance evaluation
- 2007Development of biocolonization resistant mortarscitations
Places of action
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article
Effect of Cow Dung Additions on Tropical and Mediterranean Earth Mortars-Mechanical Performance and Water Resistance
Abstract
Cow dung (CD) is a material that has been used for millennia by humanity as a stabilizer in earth building techniques in vernacular architecture. However, this stabilization has been little addressed scientifically. In this study, the effect of CD additions was assessed on earth mortars produced with one type of earth from Brazil and two other types from Portugal (from Monsaraz and Caparica). The effect of two volumetric proportions of CD additions were assessed: 10% and 20% of earth + sand. The German standard DIN 18947 was used to perform the physical and mechanical tests, and classify the mortars. In comparison to the reference mortars without CD, the additions reduced linear shrinkage and cracking. An increase in flexural and compressive strengths was not observed only in mortars produced with earth from Monsaraz. In mortars produced with the earth from Caparica, the addition of 10% of CD increased flexural strength by 15% and compressive strength by 34%. For mortars produced with the earth from Brazil, the addition of 10% of CD increased these mechanical strengths by 40%. The increase in adhesive strength and water resistance promoted by the CD additions was observed in mortars produced with all three types of earth. Applied on ceramic brick, the proportion of 10% of CD increased the adherence by 100% for the three types of earth. Applied on adobe, the same proportion of CD also increased it more than 50%. For the water immersion test, the CD additions made possible for the mortar specimens not to disintegrate after a 30 min immersion, with the 20% proportion being more efficient. The effects of the CD on mechanical performance, including adhesion, were more significant on the tropical earth mortars but the effects on water resistance were more significant on the Mediterranean earthen mortars. CD has shown its positive effects and potential for both tropical and Mediterranean earthen plasters and renders tested, justifying being further studied as an eco-efficient bio-stabilizer.