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Mechanical and Fracture Characterisation of an Earthen Material for Eco-Friendly Structural Applications
In the present research work, the mechanical and fracture properties of a specific earthen material, named shot-earth 772, are experimentally investigated. The shot-earth mixture, consisting of 7 parts of excavated soil, 7 parts of aggregate and 2 parts of cement (by volume), is projected at high velocity onto a surface, by adding a little amount of water at the spraying nozzle. An experimental campaign, consisting of compressive and three-point bending tests on unnotched and edge-notched specimens, is performed in order to determine both the compressive and flexural strengths and the fracture toughness. In particular, cubic and prismatic specimens are extracted from a shot-earth sample (800 mm × 800 mm × 100 mm) so that the direction of the applied load is perpendicular to the spraying one. The compressive and flexural strengths are determined according to the UNI-EN standards, whereas the fracture toughness is computed by means of the Modified Two-Parameter Model (MTPM).
Mechanical and Fracture Characterisation of an Earthen Material for Eco-Friendly Structural Applications
In the present research work, the mechanical and fracture properties of a specific earthen material, named shot-earth 772, are experimentally investigated. The shot-earth mixture, consisting of 7 parts of excavated soil, 7 parts of aggregate and 2 parts of cement (by volume), is projected at high velocity onto a surface, by adding a little amount of water at the spraying nozzle. An experimental campaign, consisting of compressive and three-point bending tests on unnotched and edge-notched specimens, is performed in order to determine both the compressive and flexural strengths and the fracture toughness. In particular, cubic and prismatic specimens are extracted from a shot-earth sample (800 mm × 800 mm × 100 mm) so that the direction of the applied load is perpendicular to the spraying one. The compressive and flexural strengths are determined according to the UNI-EN standards, whereas the fracture toughness is computed by means of the Modified Two-Parameter Model (MTPM).
Mechanical and Fracture Characterisation of an Earthen Material for Eco-Friendly Structural Applications
Lecture Notes in Civil Engineering
Różański, Adrian (editor) / Bui, Quoc-Bao (editor) / Sadowski, Łukasz (editor) / Tran, Minh Tung (editor) / Ronchei, Camilla (author) / Scorza, Daniela (author) / Zanichelli, Andrea (author) / Vantadori, Sabrina (author)
International Conference on Sustainable Development in Civil, Urban and Transportation Engineering ; 2024 ; Wrocław, Poland
2025-03-27
8 pages
Article/Chapter (Book)
Electronic Resource
English
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