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Physical and mechanical characterization of a commercial rendering mortar using destructive and non-destructive techniques
Graphical abstract Display Omitted
Highlights Mortar porosity in the order of 50% with a very high capillary absorption. Moisture content notably influences mechanical properties in the hardened state. Singular mechanical properties to avoid the cracking of mortar coverings. Notably enhanced damping, acoustic muffling, and durability of the mortar.
Abstract A commercial masonry rendering mortar is tested in this study of the classical correlation between structure and mechanical properties. Porosity, capillary absorption of water and mortar shrinkage are all analyzed. Special emphasis is placed on the development of mortar strength, stiffness, and damping characteristics including sound muffling. All these properties are related to the microstructure of the mortar in the hardened state and to its moisture content. The numerical results showed different values for the Young’s moduli of the rendering mortar under both tension and compression, and an outstanding capacity to dissipate vibrational energy. Freeze-thaw and wetting-drying durability tests were also performed on the mortar with good results.
Physical and mechanical characterization of a commercial rendering mortar using destructive and non-destructive techniques
Graphical abstract Display Omitted
Highlights Mortar porosity in the order of 50% with a very high capillary absorption. Moisture content notably influences mechanical properties in the hardened state. Singular mechanical properties to avoid the cracking of mortar coverings. Notably enhanced damping, acoustic muffling, and durability of the mortar.
Abstract A commercial masonry rendering mortar is tested in this study of the classical correlation between structure and mechanical properties. Porosity, capillary absorption of water and mortar shrinkage are all analyzed. Special emphasis is placed on the development of mortar strength, stiffness, and damping characteristics including sound muffling. All these properties are related to the microstructure of the mortar in the hardened state and to its moisture content. The numerical results showed different values for the Young’s moduli of the rendering mortar under both tension and compression, and an outstanding capacity to dissipate vibrational energy. Freeze-thaw and wetting-drying durability tests were also performed on the mortar with good results.
Physical and mechanical characterization of a commercial rendering mortar using destructive and non-destructive techniques
Aragón, Guillermo (author) / Aragón, Ángel (author) / Santamaría, Amaia (author) / Esteban, Alberto (author) / Fiol, Francisco (author)
Construction and Building Materials ; 224 ; 835-849
2019-07-05
15 pages
Article (Journal)
Electronic Resource
English
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