Journal
MATERIALS
Volume 12, Issue 24, Pages -Publisher
MDPI
DOI: 10.3390/ma12244104
Keywords
3D printing; mortar printing; compressive strength; direct tensile bond strength; fabrication variable
Categories
Funding
- Urban Architecture Research Program - Ministry of Land, Infrastructure and Transport of the Republic of Korea [17AUDP-B121595-02]
Ask authors/readers for more resources
The mechanical properties of 3D-printed mortars are determined in terms of their compressive and direct tensile bond strengths. To determine such properties using existing methods, a preliminary experiment was conducted. The compressive strength of the printed mortar was compared to mold-casted specimens and it was found that the compressive strength decreased by 30%. Among the fabrication variables, an increase in nozzle height negatively influenced the direct tensile bond strength. For the same conditions and age, the direct tensile strength decreased by as much as 16-29% when the number of layers increased from 2 to 6. When the specimens were fabricated using a specially designed stainless steel frame and core drill, followed by extraction and the application of physical impact, the 28 days compressive strength of the specimen decreased by similar to 50%.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available