Inicio  /  Infrastructures  /  Vol: 8 Par: 2 (2023)  /  Artículo
ARTÍCULO
TITULO

Examination of Concrete Canvas under Quasi-Realistic Loading by Computed Tomography

Balázs Eller    
Majid Movahedi Rad    
Imre Fekete    
Szabolcs Szalai    
Dániel Harrach    
Gusztáv Baranyai    
Dmytro Kurhan    
Mykola Sysyn and Szabolcs Fischer    

Resumen

The current paper concerns the investigation of CC (Concrete Canvas), a unique building material from the GCCM (geosynthetic cementitious composite mat) product group. The material is suitable for trench lining, trench paving, or even military construction activities, while the authors? purpose is to investigate the application of the material to road and railway substructure improvement. This research was carried out to verify the material?s suitability for transport infrastructure and its beneficial effects. The authors? previous study reported that the primary measurements were puncture, compression, and the parameters evaluated in four-point bending (laboratory) tests. However, based on the results, finite element modeling was not feasible because the testing of the composite material in a single layer did not provide an accurate indication. For this reason, the material characteristics required for modeling were investigated. A unique, novel testing procedure and assembly were performed, wherein the material was loaded under quasi-realistic conditions with a crushed stone ballast sample and other continuous particle size distribution samples in a closed polyethylene tube. In addition, the deformation of the material following deformed bonding was measured by computed tomography scanning, and the results were evaluated.

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