Tensile and compressive failure of 3D printed and natural sandstones

M Perras, Stuart DC Walsh, E Dombrovski, Daniel Vogler

Research output: Contribution to conferenceAbstract

Abstract

Artificial 3D-printed sandstone samples have the potential to replicate the physical characteristics of natural sandstones, allowing the creation of reproducible rock specimens. If successful, such materials could be used to replicate heterogeneous specimens for destructive testing in a number of different configurations and across different test types. In this study, we consider to what degree such artificial samples can match the tensile and compressive failure behavior of natural sandstones.
Specifically, 3D printed sandstone samples were subjected to both indirect Brazilian and unconfined compression tests. Two different types of 3D printed and three natural sandstones were tested, comparing their 1) tensile and compressive strength; 2) strain path to failure; 3) failure mode; and 4) fracture geometry after failure.

The artificial sandstone samples demonstrated tensile strengths and failure modes similar to those exhibited in weak natural sandstones. Moreover, the ratio of tensile to compressive strength was found to be similar across all materials tested including the 3D printed materials. Finally, the small-scale fracture surface roughness is comparable between artificial and natural specimens of similar tensile strength – suggesting similar grain- and macro-scale failure behavior between the 3D printed and natural sandstone samples.
Original languageEnglish
Publication statusPublished - 2016
Externally publishedYes
EventFall Meeting of the American-Geophysical-Union 2016 - San Francisco, United States of America
Duration: 12 Dec 201616 Dec 2016

Conference

ConferenceFall Meeting of the American-Geophysical-Union 2016
Abbreviated titleAGU
CountryUnited States of America
CitySan Francisco
Period12/12/1616/12/16

Cite this

Perras, M., Walsh, S. DC., Dombrovski, E., & Vogler, D. (2016). Tensile and compressive failure of 3D printed and natural sandstones. Abstract from Fall Meeting of the American-Geophysical-Union 2016, San Francisco, United States of America.